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Ansys CFX 10 Tutorial


 









Ansys CFX 10 Tutorial

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Index Ansys CFX 10 Tutorial


ANSYS CFX, Release 10.0
ANSYS CFX-Solver Files
ANSYS CFX-Solver, Release 10.0: Modelling
ANSYS CFX-Post, Release 10.0
ANSYS CFX-Pre, Release 10.0
ANSYS CFX, Release 10.0: Reference Guide
ANSYS CFX-Solver, Release 10.0: Theory
ANSYS CFX, Release 10.0: Tutorials
ANSYS CFX, Release 10.0
Installation and Overview
Table of Contents
About The Installation Guide
Introduction
Document Conventions
File and Directory Names
System Messages
User Input
Input substitution
Optional arguments
Lengthy lines
Specific Directory Names
Operating System Names
Release Numbers
ANSYS CFX, Release 10.0 Quick Install Guide
Introduction
Before Installation
Installing ANSYS CFX On UNIX
Inserting and Mounting the CD
Running the INSTALL Program
Unmounting the CD
Installing ANSYS CFX On Windows
Before you Start the ANSYS CFX Installation
Installing the Software
Performing other Necessary Tasks
Eject the CD
Running ANSYS CFX, Release 10.0
To Run on UNIX
To Start on Windows
Hardware and Software Requirements
Introduction
Obtaining information about your system
Table of Contents: Installing ANSYS CFX on UNIX Systems
General Requirements
Supported Platforms
Real and Virtual Memory
Disk Space Requirements
Graphics and Display Requirements
Other Requirements
Using ANSYS CFX in an NFS Environment (UNIX only)
Remote Display from UNIX onto Windows Platforms
Requirements for Hewlett Packard
Additional Requirements
Requirements for Hewlett Packard IA-64
Additional Requirements
Requirements for IBM
Additional Requirements
Requirements for Silicon Graphics IRIX
Additional Requirements
Requirements for Sun
Additional Requirements
Requirements for Linux IA-32
Additional Requirements
Requirements for Linux AMD64
Additional Requirements
Requirements for Linux IA64
Additional Requirements
Requirements for Windows
Additional Requirements
Requirements for HP-Compaq Workstations
Additional Requirements
Installing ANSYS CFX on UNIX Systems
Introduction
Downloaded Packages
Remote Installation
Mounting the CD
Deciding Where To Install ANSYS CFX, Release 10.0
Running the Install Program
Choosing Directories
Selecting the Software to Install
Choosing Subsets
Choosing Components
Loading Software
User Setup
Unmounting the CD
Configuring ANSYS CFX for ANSYS Workbench
Table of Contents: Installing ANSYS CFX on Windows Systems
ANSYS CFX, Release 10.0: Installation and Overview
UNIX Parallel Setup
General Requirements
Using HP MPI on Linux (x86, ia64 or x86_64)
Using HP MPI on HP-UX (PA RISC and ia64)
Using SGI MPI on IRIX or Altix (Linux IA64)
The cfx5parhosts utility
Installing ANSYS CFX on Windows Systems
Introduction
Installing as Administrator
Local and Domain Login
Before Installing ANSYS CFX Software
Installing Adobe Reader on Windows
Enabling TCP/IP Networking
Regional Settings
Downloaded Packages
Installing ANSYS CFX with the Setup Wizard
Installing ANSYS CFX, Release 10.0
Setting up in Parallel
Windows Parallel Setup
General Requirements
Testing rsh
hosts.ccl file
The cfx5parhosts utility
Setting up MPICH for Windows
ANSYS CFX Installation on a Network
Location of your Working Files
SAMBA Configuration
Removing Installed Software
ANSYS CFX
rsh Service
User Setup
Introduction
User Setup on UNIX
Modification of individual User Setup Files
Manual Execution of a Setup Script each time the Software is used
Modification of System Setup Files
Specifying Full Path Names of Commands
Using the ANSYS CFX Launcher to Set Up Users
User Setup on Windows
Parallel Setup for Individual Users
Windows Parallel Setup for Individual Users
UNIX Parallel Setup for Individual Users
Table of Contents: Customising ANSYS CFX
Customising ANSYS CFX
ANSYS CFX Resource Configuration Files
The Site-wide Configuration File
The Users Configuration File
Syntax of ANSYS CFX Resource Configuration Files
Resources Set in cfx5rc Files
Testing the ANSYS CFX Installation
Introduction
Setting up the Example
Starting the Example on UNIX
Starting the Example on Windows
Running the Example
Computational Fluid Dynamics
Introduction to Computational Fluid Dynamics
What is Computational Fluid Dynamics?
The History of CFD
The Mathematics of CFD
Uses of CFD
CFD Methodology
Further Background Reading
Overview of ANSYS CFX
Introduction to ANSYS CFX
The Structure of ANSYS CFX
ANSYS CFX-Pre
ANSYS CFX-Solver
ANSYS CFX-Solver Manager
ANSYS CFX-Post
Getting Started
Installing ANSYS CFX
Running ANSYS CFX
ANSYS CFX Tutorials
ANSYS CFX Documentation
The Directory Structure of ANSYS CFX
ANSYS CFX File Types
Command Line Commands
What's New in ANSYS CFX
Introduction
ANSYS Interaction
Transient Analysis
Turbomachinery Pre and Post-processing
Table of Contents: ANSYS CFX Launcher
ANSYS CFX, Release 10.0: Installation and Overview
Physical Models & Solver Improvements
ANSYS FSI Coupling
Particle Tracking Extensions
Turbulence Modeling
Combustion and Radiation Improvements
Transient Improvements
Domain Interfaces
Porosity
Boundary Conditions & Boundary Sources
Eulerian Multiphase Extensions
Data Export for Noise Solvers
Bad Mesh Robustness
Additional Variables
CFX-in-Workbench
CFX-Pre
CFX-Solver Manager
CFX-Post
Licensing and Platform Support
Documentation
ANSYS CFX Launcher
Introduction
Automatic Application Search
Launcher GUI
Starting the ANSYS CFX Launcher
Main Window
Tool Bar
Working Directory Selector
Output Window
Menu Bar
File Menu
Edit Menu
CFX Menu
ANSYS Menu
Show Menu
Tools Menu
User Menu
Help Menu
Launcher Customisation
CCL Structure
Example: Adding the Windows Calculator
Help On Help
Introduction
ANSYS CFX Documentation Format
Table of Contents: Contact Information
ANSYS CFX Documentation Structure
Installing and Introduction to ANSYS CFX
ANSYS CFX Tutorials
ANSYS CFX-Pre
ANSYS CFX-Solver Modelling
ANSYS CFX-Solver Theory
ANSYS CFX-Solver Manager
ANSYS CFX-Post
Reference Manuals
Contact Information
How to Contact ANSYS Customer Service
Customer information
Product & platform information
Relevant Files
Trademarks and Acknowledgements
Trademarks
Acknowledgements
PVM 3.4
MPICH
ZLIB 1.1.3
METIS 4.0.1
Qt
Qwt
CGNS
MpCCI
PERL v5.8.0
Java Runtime Environment
Disclaimer Notice
ANSYS CFX-Solver Manager, Release 10.0
Table of Contents
Solver Manager Basics
Introduction
Related Documentation
Starting ANSYS CFX-Solver Manager
Using ANSYS Workbench
Using CFX-Launcher
Using ANSYS CFX-Pre
Using the Command Line
Working with the Solver Manager Interface
Convergence History Plots
Text Output Window
Workspace
Customising Solver Manager
Moving a toolbar
Working with Solver Manager
Introduction
Define Run dialog box
Definition file name
Run definition procedure
Run Definition tab
Partitioner tab
Solver tab
Specifying an Initial Values File
Run results
Parallel Run
Overview
General procedure
Configuring a parallel run
Restarting a Run
Reasons for restarting
Restart procedure
Restarts
Table of Contents: ANSYS CFX-Solver Files
ANSYS CFX-Solver Files
Introduction
Input Files and Initial Values Files
Generated Files
ANSYS CFX Results File
ANSYS CFX Output File
ANSYS CFX Output File (transient runs)
ANSYS CFX Output File (parallel runs)
ANSYS CFX Partition File
ANSYS CFX Output File (Mesh Adaption Runs)
ANSYS CFX Output File (Conjugate Heat Transfer Runs)
ANSYS CFX Output File (GGI Runs)
ANSYS CFX Output File (Combustion Runs)
ANSYS CFX Output File (Radiation Runs)
List of Variables
Variables relevant for most CFD calculations
Variables relevant for turbulent flows
Variables relevant for buoyant flow
Variables relevant for compressible flow
Variables relevant for calculations with a rotating frame of reference
Variables relevant for parallel calculations
Variables relevant for multicomponent calculations
Variables relevant for multiphase calculations
Residual Plotting
Introduction
Equation Residual
Convergence results and RMS
Transient Residual Plotting
Editing Definition Files
Introduction
Workflow overview
Editing a Definition File
Command File Editor Overview
Menus in the Command File Editor
File Menu
Edit Menu
Help Menu
Command File Editor Rules
Command File Editor Appearance
Editing the Command Language (CCL) File
Command Language File Rules
RULES and VARIABLES Files
VARIABLES File
RULES File
Table of Contents: File Menu
ANSYS CFX-Solver Manager, Release 10.0
File Menu
Introduction
Define Run command
Monitor Run in Progress command
Monitor Finished Run command
Close command
Quit command
Edit Menu
Introduction
Options command
SolverManager Options
Common Options
Workspace Menu
Introduction
Workspace Properties command
General Settings tab
Monitors tab
Creating Monitors
Modifying Monitors
Global Plot Settings tab
New Monitor command
Stop Current Run command
Restart Current Run command
Backup Run command
Arrange command
Toggle Layout Type command
Load Layout command
Save Layout command
Duplicating a plot monitor
View RMS Residuals command
View MAX Residuals command
Reset to Default Workspace command
Close command
Tools Menu
Introduction
Edit Definition File command
Export command
Export to ANSYS Multifield command
Table of Contents: Monitors Menu
Interpolate command
Using the Command Line to Interpolate Results
Edit Run In Progress command
Edit Current Results File command
Post-Process Results command
View Environment command
Monitors Menu
Introduction
Help Menu
Introduction
Active Panel F1 command
On Solver Manager command
About Solver Manager command
About Qt command
Help on Help command
Starting CFX-Solver from the Command Line
Introduction
Command line use
Command line arguments
Command line samples
Start ANSYS CFX-Solver
Start ANSYS CFX-Solver Manager
Produce a partition file
Start ANSYS CFX-Solver in distributed parallel
Start ANSYS CFX-Solver from a definition file
Start ANSYS CFX-Solver in parallel
Start ANSYS CFX-Solver in parallel using MPICH
cfx5stop
CFX-Solver Start Methods
Introduction
Direct start methods
Indirect start methods
Example
CPU and Memory Requirements
Introduction
Tetrahedral Mesh
Table of Contents: cfx5control Application
ANSYS CFX-Solver Manager, Release 10.0
Special Solver Executables
64-bit
Double Precision
Chip-specific
Turbulence
Zero Equation Model
Two Equation Models
Reynolds Stress Model
Energy
CHT
Multicomponent Flows
Multiphase Flows
Homogeneous
Inhomogeneous
N-Phase Flow
Additional Variables
Combustion
Radiation
GGI Interfaces
Transient
cfx5control Application
Introduction
File Export Utility
Introduction
ANSYS Multifield Export Options
ANSYS Element Type
Output Modifiers
Export Options
Output Level
Use Corrected Boundary Node Data
Include Variables Only Found on Boundaries
Output Only Boundary Geometry and Results
Format
Geometry Output Only
Geometry Output Only (Neutral file)
FIELDVIEW Version
Ensight Version
CGNS
Overview
Export Files
Import Files
MSC.Patran
Export Files
Import Files
Exporting boundary conditions to MSC.Patran
Example procedure
Table of Contents: File Export Utility
FIELDVIEW
Export Files
Importing Files
EnSight
Export Files
Importing Files
Custom User Export
Export Executable
Custom Export Settings
Running ANSYS CFX Export from the Command Line
Running ANSYS CFX Export
Keyword Descriptions
Terminology
Exporting a Transient Results File
File Format
Exporting Particle Tracking Data
Creating an Export Program
An Example of an Export Program
Example of Output Produced
Source Code for getargs.c
Linking Code into ANSYS CFX
Compiler Flags
UNIX
Windows
Using a Custom Export format
Using the ANSYS CFX-Solver Manager GUI
Using the command line
Using cfx5export
ANSYS CFX-Solver, Release 10.0: Modelling
Table of Contents
Basic Capabilities Modelling
Introduction
Domains and Subdomains
Subdomains
Physical Models
Steady State and Transient Flows
Mesh Deformation
Laminar Flow
Turbulence and Turbulence Models
Heat Transfer
Compressible Flow
Setting a Reference Pressure
Buoyancy
Multicomponent Flow
Additional Variables
Non-Newtonian Flow
Coordinate Frames
Rotating Frames of Reference (RFR)
Sources
Material Properties
CEL Expressions
Coord Frame
Equation of State
Specific Heat Capacity
Density and Specific Heat Dependencies
Table Generation Pressure and Temperature Limits
Transport Properties
Buoyancy Properties
Radiation Properties
Library Materials
Mixture Properties (Fixed and Variable)
Density
Molar Mass
Table of Contents: Boundary Condition Modelling
Boundary Condition Modelling
Introduction
The Purpose of Boundary Conditions
Available Boundary Conditions
Using Boundary Conditions
Specifying Well-posed Boundary Conditions
Recommended Configurations of Boundary Conditions
Using Inlets, Outlets and Openings
Using CEL Expressions With Boundary Conditions
Inlet
Inlet (subsonic)
Inlet (Supersonic)
Inlet (mixed subsonic-supersonic)
Outlet
Outlet (Supersonic)
Opening
Wall
Symmetry Plane
Mesh Motion
Profile Boundary Conditions
Standard Variable Names
Non-standard Variable Names
Custom variables
Using r-theta profiles
Data Interpolation method
Extracting Profile Data from Results Files
Initial Condition Modelling
Introduction
Setting the Initial Conditions
Automatic
Automatic with Value
Table of Contents: Turbulence and Near-Wall Modelling
ANSYS CFX-Solver, Release 10.0: Modelling
Initialisation Parameters
Coord Frame
Frame Type
Velocity Type
Cartesian Velocity Components
Cylindrical Velocity Components
Velocity Scale
Velocity Fluctuation
Static Pressure
Temperature
K (Turbulent Kinetic Energy)
Epsilon (Turbulent Eddy Dissipation)
Omega (Turbulence Eddy Frequency)
Reynolds Stress Components
Additional Variable
Component
Volume Fraction
Radiation Intensity
Initialisation for Solid Domains
Initial Conditions for a Multiphase Simulation
Initialisation Advice
Reading the Initial Guess or Initial Values from a File
Using Expressions with Initial Conditions
Turbulence and Near-Wall Modelling
Introduction
Turbulence Models
The Laminar Model
The Zero Equation Model
The k- Model
The RNG k- Model
The Standard k-, BSL k- and Shear Stress Transport (SST) k- Models
The Reynolds Stress Model
The -Reynolds Stress (SMC-) and BSL Reynolds Stress Models
ANSYS CFX Transition Model
The Large Eddy Simulation Model (LES)
The Detached Eddy Simulation Model (DES)
Buoyancy Turbulence
Modelling Flow Near the Wall
Solver Yplus and Yplus
Guidelines for Mesh Generation
Domain Interface Modelling
Overview of Domain Interfaces
Using Multiple Domain Interfaces
Limitations
Connection Types
Fluid-Fluid Interfaces
Frame Change
Pitch Change
Table of Contents: Multiphase Flow Modelling
Setup of Fluid-Fluid Domain Interfaces
General Considerations
Case 1: Impeller/Volute
Case 2: Step change between rotor and stator
Case 3: Blade Passage at or close to the edge of a domain
Case 4: BladePassage at or close to the edge of a domain
Case 5: Blade with thick trailing edge
Fluid-Solid and Solid-Solid Interfaces
Fluid Solid Periodic Interfaces
Periodic Interfaces
Connection Type
Periodic Type
Automatic Creation and Treatment of Domain Interfaces
Multiphase Flow Modelling
Introduction
Terminology
Multiphase Examples
Eulerian-Eulerian Multiphase Versus Particle Transport
Specifying Fluids for Multiphase Flow
The Homogeneous and Inhomogeneous Models
The Inhomogeneous (Interfluid Transfer) Model
The Homogeneous Model
Buoyancy in Multiphase Flow
Fluid Buoyancy Model
Multicomponent Multiphase Flow
Interphase Momentum Transfer Models
Interphase Drag
Lift Force
Virtual Mass Force
Wall Lubrication Force
Interphase Turbulent Dispersion Force
Solid Particle Collision Models
Solid Pressure Force Model
Maximum Packing
Kinetic Theory Models
Interphase Heat Transfer
Inhomogeneous Interphase Heat Transfer Models
Homogeneous Heat Transfer in Multiphase Flow
Multiple Size Group (MUSIG) Model
Introduction
Setting up a MUSIG Simulation
MUSIG Model Advice
Turbulence Modelling in Multiphase Flow
Phase-Dependent Turbulence Models
Homogeneous Turbulence in Inhomogeneous Flow
Turbulence Enhancement
Turbulence in Homogeneous Multiphase Flow
Table of Contents: Particle Transport Modelling
ANSYS CFX-Solver, Release 10.0: Modelling
Additional Variables in Multiphase Flow
Additional Variable Interphase Transfer Models
Homogeneous Additional Variables in Multiphase Flow
Sources in Multiphase Flow
Fluid-specific Sources
Bulk Sources
Interphase Mass Transfer
Double Precision Solver
User Specified Mass Transfer
Thermal Phase Change Model
Cavitation Model
Interphase Species Mass Transfer
Boundary Conditions in Multiphase Flow
Wall Boundaries in Multiphase
Mass Flow Inlet
Mass Flow Outlet
Modelling Advice for Multiphase Flow
Turbulence Models
Minimum Volume Fraction Setting
Buoyancy
Initial Conditions
Timestepping
Convergence
Transient Simulations
Free Surface Flow
Supercritical and Subcritical Flow
Multiphase Model Selection
Surface Tension
Modelling Advice for Free Surface Flow
Algebraic Slip Model
Introduction
Specification
Multiphase Flow Restrictions
Particle Transport Modelling
Introduction to Particle Transport
Particle Transport Versus Eulerian-Eulerian Multiphase
Forces Acting on the Particles
Creating Particle Materials
Particle Domain Options
Fluid Models
Fluid Details
Fluid Pairs
Particle Injection Regions
Particle Boundary Options and Behaviour
Inlet/Opening Boundaries
Outlet Boundaries
Wall Boundaries
Symmetry Plane Boundaries
Interface Boundaries
Domain Interfaces
Table of Contents: Combustion Modelling
Subdomains
Particle Injection Regions
Sphere
Cone
User Defined
Particle Solver Control
Partice Coupling Control
Particle Integration
Multiphase Reactions and Combustion
Reactants/Products
Multiphase Reactions
Hydrocarbon Fuel Model Setup
Example: Setting up a Coal Combustion Case
Particle Fates
Entered domain
Left domain
Integration error
Collected on walls
Exceeded distance limit
Exceeded time limit
Exceeded integration limit
Fell below minimum diameter
Absorbed by porous media
Restrictions for Particle Transport
Convergence Control for Particle Transport
Expert Parameters for Particle Tracking
Particle Diagnostics
Fate Diagnostics
Particle Convergence History
Integrated Particle Flows
Integrated Particle Sources for the Coupled Continuous Phase
Transient Simulations: What is different for particles?
Combustion Modelling
Introduction
Reaction Models
Naming Convention for Reaction Schemes
Reaction Rate Types
Using Combustion Models
Eddy Dissipation Model
Introduction
Fluid Models
Initialisation
Solver Parameters
Finite Rate Chemistry Model
Introduction
Fluid Models
Initialisation
Solver Parameters
Table of Contents: Radiation Modelling
ANSYS CFX-Solver, Release 10.0: Modelling
Combined EDM/Finite Rate Chemistry Model
Introduction
Fluid Models
Initialisation
Solver Parameters
Reaction-Step Specific Combustion Model Control
Laminar Flamelet with PDF Model
Introduction
Fluid Models
Boundary Settings
Initialisation
Solver Parameters
Premixed and Partially Premixed Model
Introduction
Fluid Models
Boundary Settings
Initialisation
Solver Parameters
Other Parameters
Flamelet Libraries
Introduction
CFX-RIF
Flamelet Library Import Filter
NO model
Introduction
Fluid Models
Initialisation
Solver Parameters
Soot Model
Introduction
Fluid Models
Boundary Settings
Initialisation
Phasic Combustion
General Advice for modelling Combusting Flows in ANSYS CFX
General Procedure for Running Simulations
Advantages and Disadvantages of Multistep Reaction Mechanisms
Tips for improving Convergence
Advanced Combustion Controls
Radiation Modelling
Introduction
Comparison of the Radiation Models
Terminology
Material Properties for Radiation
Rosseland Model
Fluid Models
Initial Conditions
Solver Control
Table of Contents: Real Fluid Properties
The P1 Model
Fluid Models
Initial Conditions
Solver Control
The Discrete Transfer Model
Fluid Models
Initial Conditions
Solver Control
The Monte Carlo Model
Fluid Models
Initial Conditions
Solver Control
General Radiation Considerations
Domain Considerations
Boundary Details
Sources
Thermal Radiation Control
Spectral Model
Scattering Model
Real Fluid Properties
Introduction to Real Fluid Properties
Setting up a Dry Real Gas Simulation
Using the Redlich Kwong Equation of State
Saturation Curve Clipping
Additional Comments
Using Real Gas Property (RGP) Tables
Using a General Setup (CEL or User FORTRAN)
Table Interpolation and Saturation Curve Clipping
Evaluating Saturation Data
Table Interpolation
Table Inversion
Equilibrium Phase Change Model
Setting up an Equilibrium Phase Change Simulation
Using a Redlich Kwong Equation of State
Using Real Gas Property (RGP) table files
Using a General Setup
ANSYS CFX-Pre Domain Models Setup
Important Considerations
Properties
Inlet Boundary Conditions
Real Gas Property (RGP) File Contents
Superheat Region
Saturated Region
Real Gas Property (RGP) File Format
Organisation of RGP File
Table of Contents: Fluid-Structure Interaction
ANSYS CFX-Solver, Release 10.0: Modelling
Parameters in the RGP File Controlling the Real Gas Model
REAL_GAS_MODEL
P_CRITICAL, T_CRITICAL
UNITS
MIN_PROPERTY_T, MAX_PROPERTY_T, MIN_PROPERTY_P and MAX_PROPERTY_P
MOLECULAR_VISCOSITY, MOLECULAR_CONDUCTIVITY
GAS_CONSTANT
TMIN_SATURATION, TMAX_SATURATION
P_TRIPLE, T_TRIPLE
SUPERCOOLING
Fluid-Structure Interaction
Introduction
Basic FSI
Using ANSYS CFX Only
Using ANSYS CFX and Other CAE Software
Advanced FSI
Using ANSYS CFX Only
Using ANSYS CFX and ANSYS Mechanical or Multiphysics
Using ANSYS CFX and Other CAE Software
Aerodynamic Noise Analysis
Overview of Aerodynamic Noise Analysis
Near Field Noise Prediction
Far Field Noise Prediction
Types of Noise Sources
Monopole Sources
Dipole and Rotating Dipole Sources
Quadrapole Sources
Noise Source Strength Estimation in CFX
Monopole Sources
Dipole or Rotating Dipole Sources
Important Boundary Results Export Notes
Quadrapole Sources
The CGNS Export Data Format
File Naming Conventions
CGNS File Structure
Advice on Flow Modelling
Solving Problems with ANSYS CFX
Modelling 2D Problems
Mesh Issues
Mesh Resolution Near the Wall - using YPLUS
Mesh Quality
Timestep Selection
Steady State Timestep Control
Transient Timestep Control
Controlling Timestepping for Each Equation
Table of Contents: Using the Solver in Parallel
Advection Scheme Selection
1st Order
High Resolution
Specify Blend
Central Difference
Dynamic Model Control
Global Dynamic Model Control
Turbulence Control
Hydro Control
Interpolation Scheme
Pressure Interpolation Type
Velocity Interpolation Scheme
Shape Function Option
Monitoring and Obtaining Convergence
The Residual
Residual Type and Target
Judging Convergence
Global Balances and Integrated Quantities
Convergence Rate
Problems with Convergence
Solver Issues
Robustness and Accuracy
Linear Solver Failure
Using the Solver in Parallel
Introduction to ANSYS CFX Parallel
Partitioning
Element Based and Node Based Partitioning
Multilevel Graph Partitioning Software - MeTiS
Recursive Coordinate Bisection
Optimised Recursive Coordinate Bisection
User Specified Direction
Radial
Circumferential
Junction Box
Required Hosts files and user setup
System Hosts File
User setup for parallel runs
Message Passing Interface (MPI) for Parallel
Advice on using ANSYS CFX in parallel
Optimising mesh partitioning
Optimising the Parallel Run
Error Handling
Measuring Parallel Performance
Expert Control Parameters
Introduction to Expert Control Parameters
When to use Expert Control Parameters
Modifying Expert Control Parameters
ANSYS CFX-Solver Expert Control Parameters
Table of Contents: User FORTRAN
ANSYS CFX-Solver, Release 10.0: Modelling
User FORTRAN
Introduction
User CEL Functions and Routines
Structure of User CEL Functions
User CEL Function Units
User Junction Box Routines
Junction Box Routine Options and Parameters
Shared Libraries
Creating the Shared Libraries
User Parameters
Adding and Modifying User Parameters
Utility Routines for User Functions
Introduction
Data Acquisition Routines
Character Handling
Output Routines
ANSYS CFX Memory Management System (MMS)
Introduction
Error Conventions
Stack Pointers
Subroutines
User CEL Examples
User CEL Example 1: User Defined Momentum Source
User CEL Example 2: Using Gradients for an Additional Variable Source
User CEL Example 3: Integrated Quantity Boundary Conditions
User Junction Box Examples
Junction Box Example 1: Profile Boundary Conditions
Junction Box Example 2: Integrated Residence Time Distribution
Junction Box Example 3: Timestep Control
Junction Box Example 4: Solver Control
Junction Box Example 5: Transient Information
Using CFX-4 routines in ANSYS CFX
ANSYS CFX-Post, Release 10.0
Table of Contents
Overview of ANSYS CFX-Post
Introduction
Functionality
The Viewer
Graphic Objects
The Graphical User Interface (GUI)
Starting ANSYS CFX-Post from the Command Line
Advanced Features
ANSYS CFX-Post Workspace
Introduction
Objects Workspace
Object Selector
Object Editor
Variables Workspace
Variable Selector
Variable Editor
Variables: Example
Quantitative Workspace
Quantitative Selector
Quantitative: Expressions Editor: Definition tab
Quantitative: Expressions Editor: Plot tab
Quantitative: Expressions Editor: Evaluate tab
Quantitative: Expressions: Example
Quantitative: Tables
Tools Workspace
Turbo Workspace
Table Viewer
Chart Viewer
Chart: Chart Line Tab
Chart: Chart Tab
Chart: Axes Tab
Chart: Appearance Tab
Chart: Example
Table of Contents: ANSYS CFX-Post File Menu
ANSYS CFX-Post File Menu
Introduction
ANSYS CFX-Post File Types
ANSYS CFX Results File
ANSYS CFX Definition File
ANSYS CFX GTM File
CFX-4 Results file
CFX-TASCflow Results File
CGNS files
Session File
State File
File Menu Items
Load Results
File Info
Save State
Load State
Import
Export
ANSYS Import/Export
Print
Loading Recently Accessed Files
Quit
ANSYS CFX-Post Create Menu
Introduction
Object
Common Widgets
Default Colours
Point
Point Cloud
Line
Plane
Volume
Isosurface
Surface of Revolution
Polyline
User Surface
Surface Group
Vector
Contour
Streamline
Particle Track
Coordinate Frame
Legend
Text
Instance Transform
Clip Plane
Special Objects
Wireframe
Domain
Boundary and Subdomain
Table of Contents: ANSYS CFX-Post Viewer Menu
ANSYS CFX-Post, Release 10.0
Variable
Expression
Chart
ANSYS CFX-Post Viewer Menu
Viewer Menu
ANSYS CFX-Post Tools Menu
Introduction
Function Calculator
Mesh Calculator
Animation
Timestep Selector
Command Editor
Macro Calculator
Probe
Function Calculator
Direction or Axis Selection
Mesh Calculator
Quick Animator
Animating Planes
Animating Isosurfaces
Animating Turbo Surfaces
Animating Streamlines & Particle Tracks
Animation
Animation Editor
The ANSYS CFX MPEG Player
Quick Editor
Probe
Timestep Selector
Macro Calculator
Predefined Macros
User-defined Macros
Command Editor
Turbo Workspace
Introduction
Turbo Workspace
Initialization
Background Mesh
Visual Representation
Modify Rotation Axis
Turbo Initialization
Initialize All Components
Individual Component Initialization (Advanced Feature)
Uninitialize Components
Table of Contents: CCL and CEL in ANSYS CFX-Post
Turbo Surface
Turbo Surface: Geometry
Turbo Surface: Colour
Turbo Surface: Render
Turbo Line
Turbo Line: Geometry
Turbo Line: Colour
Turbo Line: Render
Turbo Plots
Introduction
Initialisation 3 Views
3D View Object
Blade-to-Blade Object
Meridional Object
Turbo Chart Objects
Turbo Macros
Calculate Velocity Components
Velocity Flow Angle Definition
CCL and CEL in ANSYS CFX-Post
Overview of the CFX Command Language (CCL)
CCL Syntax
Basic Terminology
Simple Syntax Details
Case Sensitivity
CCL Names Definition
Indentation
End of line comment character
Continuation character
Named Objects
Singleton Objects
Parameters
Lists
Parameter values
Escape character
Object Creation and Deletion
CFX Expression Language (CEL) in ANSYS CFX-Post
CEL Variables In ANSYS CFX-Post
Quantitative CEL Functions in ANSYS CFX-Post
Using the Command Editor in ANSYS CFX
Overview of Command Actions
Table of Contents: Power Syntax in ANSYS CFX
ANSYS CFX-Post, Release 10.0
File Operations from the Command Editor
Loading a Results File
Creating Session Files
Reading Session Files
Saving State Files
Reading State Files
Creating a Hardcopy
Importing External File Formats
Exporting Data
Viewer Controls
Quantitative Calculations in the Command Editor
Function Calculation
Other Commands
Deleting Objects
Viewing a Chart
Turbo Post CCL Command Actions
Power Syntax in ANSYS CFX
Power Syntax Overview
Examples of Power Syntax
Example 1: Print Pressure Drop Through a Pipe
Example 2: Using a for Loop
Example 3: Creating a Simple Subroutine
Example 4: Creating a Complex Quantitative Subroutine
Predefined Power Syntax Subroutines
Introduction
Subroutine descriptions
Usage
Power Syntax Subroutines
Line Interface Mode
Line Interface Mode
Lists of commands
Viewer hotkeys
Calculator
getstate Command
Viewing a Chart
Repeating CCL Commands
Executing a Shell Command
Quitting
Example
Batch Mode
Example: Pressure Calculation on Multiple Files using Batch Mode
ANSYS CFX-Pre, Release 10.0
Table of Contents
ANSYS CFX-Pre Basics
Introduction
Modes of operation
Related Documentation
Tutorial documents
Starting ANSYS CFX-Pre
Within ANSYS Workbench
Using ANSYS CFX Launcher
Starting ANSYS CFX-Pre from the Command Line
Working with the ANSYS CFX-Pre Interface
Viewer
ANSYS CFX-Pre Workspace
Main Menu
Toolbar
ANSYS CFX-Pre File Types
Physics Selector
General considerations
Tree Structure
Physics Selector Pop-up Menu Options
Keyboard Shortcuts
Valid Syntax for Named Objects
Physics Checking
Quick Setup Mode
Starting a new simulation in Quick Setup Mode
To start a new simulation in Quick Setup Mode
Switching to Quick Setup Mode during a simulation
Physics Definition
Boundary Definition
Final Operations
File Menu
Introduction
New Simulation command
Table of Contents: Edit Menu
Open Simulation command
Opening *.cfx (Case Files)
Opening *.def or *.res (Definition or Results Files)
Opening *.ccl (CCL Files)
Opening *.gtm (GTM Database Files)
Close command
Save Simulation command
Save Simulation As command
Import Mesh command
Reload Mesh Files command
Write Solver (.def) File command
Import CCL command
Append or Replace
Export CCL command
Save all objects
Print command
Recent Simulation Files submenu
Recent CCL Files submenu
Recent Session Files submenu
Quit command
Edit Menu
Introduction
Undo command
Redo command
Options command
Pre (ANSYS CFX-Pre Only)
Post (ANSYS CFX-Post Only)
Common
ANSYS CFX-Pre/ANSYS CFX-Post Session Menu
Introduction
Play Session command
New Session command
Start Recording and Stop Recording commands
ANSYS CFX-Pre and ANSYS CFX-Post Viewer
Viewer
Selecting, Importing and Transforming Meshes
Introduction to Meshes in ANSYS CFX-Pre
Mesh Topology in ANSYS CFX-Pre
Mesh Workspace
Table of Contents: Selecting, Editing and Creating Composite Regions
ANSYS CFX-Pre, Release 10.0
Mesh Import Editor
Definition
Advanced Options
Mesh Transformation Editor
Rotation Transformation
Translation Transformation
Scale Transformation
Reflection Transformation
Render Options
Render Options - Individual 2D Regions
Render Options - Multiple 2D Regions
Advanced Topic: cfx5gtmconvert application
Selecting, Editing and Creating Composite Regions
About the Region Selector and Editor
Region Selector
Region Editor
Union
Alias
Applications of the Composite Regions
Additional Variables
Introduction
User Interface
Create Additional Variable dialog box
Additional Variable: Basic Settings tab
Domain: Fluid Models and Fluid Details tabs
Boundary Condition: Boundary Details and Fluid Values tabs
Creating an Additional Variables
Materials and Reactions
Introduction
Materials
Material Group
Create/Edit/Duplicate/Delete
Loading Library Materials
Library Materials
Materials Editor: Pure Substance
Basic Settings
Material Properties
Materials Editor: Fixed Composition Mixture
Basic Settings
Mixture Properties
Materials Editor: Variable Composition Mixture
Basic Settings
Mixture Properties
Table of Contents: Expressions
Materials Editor: Homogeneous Binary Mixture
Basic Settings
Saturation Properties
Materials Editor: Reacting Mixture
Basic Settings
Mixture Properties
Reactions
Reactions Editor
Basic Settings
Basic Settings: Single Step
Reactants: Single Step
Products: Single Step
Reaction Rates: Single Step
Multiple Step
Flamelet Library
Multiphase: Basic Settings
Reactants: Multiphase
Products: Multiphase
Multi Phase Reactions
Expressions
Introduction
Expression Editor Details
Definition
Plot
Evaluate
Creating
Modifying
Importing or Exporting
Exporting
Importing
User Functions
User Function Editor
Interpolation
User CEL Function
User Routines
User Routine Editor
User CEL Routine
Junction Box Routine
Particle User Routine
Units And Dimensions
Units Syntax
Table of Contents: Coordinate Frames
ANSYS CFX-Pre, Release 10.0
Using Units in ANSYS CFX-Pre
ANSYS CFX Commonly Used Units
Defining your Own Units
Solution Units
Coordinate Frames
Introduction
User Interface
Create Coord Frame dialog box
Edit Coordinate Frame: Basic Settings tab
Working With Coordinate Frames
To Create a New Coordinate Frame
Simulation Type
Editing Simulation Type
Basic Settings
Domains
Introduction
Creating New Domains
The Domain Editor
Using Multiple Domains
User Interface
General Options tab
Porosity Settings tab
Fluid Models tab
Musig Fluid tab
Fluid Details tab
Fluid Pairs tab
Solid Models tab
Particle Injection Regions tab
Initialisation tab
Sub Domains
Introduction
Basic Settings
Sources
Single-phase Fluid Sources
Multiphase Bulk Sources
Solid Sources
Fluid Sources
Mesh Motion
Source Points
Introduction
Table of Contents: Boundary Conditions
Basic Settings
Sources
Single-phase Fluid Sources
Multiphase Bulk Sources
Fluid Sources
Sources in Solid Domains
Source Points and Mesh Deformation
Boundary Conditions
Introduction
Actions
Displaying
Creating
Modifying
Defaults
Fluid-solid regions
Internal 2D regions
Interfaces
Boundary Attributes
Basic Settings
Profile Data and CEL Functions
Boundary Details
Boundary Details: Inlet
Boundary Details: Outlet
Boundary Details: Opening
Boundary Details: Wall
Boundary Details: Interface
Symmetry Boundary Conditions
Fluid Values
Fluid Values: Inlet/Opening
Fluid Values: Outlet
Fluid Values: Wall
Fluid Values: Interface
Boundary Sources
Single-phase Fluid Sources
Mesh Motion
Plot Options
Boundary Contour
Boundary Vector
Domain Interfaces
Introduction
Connect domains or assemblies
Model changes in reference frame between domains
Create periodic interfaces between regions
Creating
Modifying
Table of Contents: Initialisation
ANSYS CFX-Pre, Release 10.0
Working with Fluid-Fluid, Fluid-Porous and Porous-Porous Interfaces
Introduction
Defining
Working with Fluid Solid, Porous Solid and Solid Solid Interfaces
Introduction
Defining
Working with Periodic Interfaces
Introduction
Defining
Initialisation
Introduction
User Interface
Global Initialisation: Global Settings and Fluid Settings tabs
Domain: Initialisation tab
Mesh Adaption
Introduction
Overview
Creating
Basic Settings
Basic Mesh Adaption Parameters
Advanced Options
Advanced Mesh Adaption Parameters
Solver Control
Solver Control: Basic Settings
Solver Control: Equation Class Settings
Solver Control: Advanced Options
Further Advice on Setting Solver Parameters
Output Control
Introduction
User Interface
Results tab
Backup Results tab
Transient Results tab
Transient Statistics tab
Monitor tab
Particle Data tab
Export Results tab
Common Settings
Working with Output Control
Working with Transient Statistics
Working with Monitors
Working With Export Results
Table of Contents: Expert Control Parameters
Expert Control Parameters
Introduction
Modifying
Discretisation
Linear Solver
I/O Control
Convergence Control
Physical Models
Model Over-rides
Turbo Mode
Turbo Mode
Starting a new simulation in Turbo Mode
Switching to Turbo Mode during a simulation
Basic Settings
Axis Visibility
Axes
Component Definition
Component Selector
Rotation Rate
Mesh File
Mesh Volumes
Region Information
Passages and Alignmnent
Physics Definition
Fluid
Simulation Type
Model Data
Configuration
Solver Parameters
Interface Definition
Boundary Definition
Final Operations
Library Objects
Library Overview
Cavitating Water
Boiling Water
Multigrey Radiation
Comfort Factors
Command Editor
Introduction
Table of Contents: Command Editor
ANSYS CFX-Pre, Release 10.0
User Interface
Command Editor dialog box
Using the Command Editor
General Procedure
Editing an Existing Object
Performing Actions
Using Power Syntax
ANSYS CFX, Release 10.0: Reference Guide
Table of Contents
ANSYS CFX in Workbench
Introduction
Platforms Supported
Project
Introduction
Taskbar
Project Files
Working Directory
Workflow within CFX in Workbench
Introduction
Viewer Interaction
Global Workbench Preferences
User and Default Preferences
Option Panel Changes
Mouse Wheel Event
Global Text Colour
Global Edge Colour
CFX Expression Language
Introduction to CFX Expression Language (CEL)
CEL Fundamentals
How CEL Interacts with the ANSYS CFX-Solver
Values and Expressions
CFX Expression Language Statements
CEL Variables, Functions and Constants
Variables Available for use in CEL Expressions
CEL Operators
CEL Functions
CEL Constants
Using Expressions
CEL Examples
Example 1: Reynolds Number Dependent Viscosity
Example 2: Feedback to Control Inlet Temperature
The Expression Editor
CEL Technical Details
Table of Contents: Import Mesh API
Import Mesh API
Introduction
Valid Mesh Elements in ANSYS CFX
Creating your own executable for importing meshes into ANSYS CFX-Pre
An Example of a Customized Program for Importing Meshes into ANSYS CFX-Pre
Compiling and Linking Code with the Import Mesh API
Compilers
Compiler Flags
Linking Code with the Import Mesh API
Linking a Customised Import Mesh Executable on a UNIX Platform
Linking a Customised Import Mesh Executable on a Windows Platform
Using a Custom Mesh Import Executable with ANSYS CFX-Pre
Details of the Import Mesh API
Defined Constants
Initialisation Routines
Termination Routines
Error Handling Routines
Node Routines
Element Routines
Primitive Region Routines
Composite Regions Routines
Explicit Node Pairing
FORTRAN Interface
Unsupported routines previously available in the API
Import Programs
ANSYS
ANSYS CFX Def/Res
CFX-4
CFX-5.1
CFX-TfC
CGNS
GridPro/az3000
I-DEAS
ICEM CFX
PATRAN
NASTRAN
TASCflow thru CGNS
ANSYS CFX, Release 10.0 Mesh and Results Export API
Introduction
Defined constants and structures
Element types
Volume list types
Region list types
Count entries
Node data structure
Element data structure
Table of Contents: ANSYS CFX Best Practices Guide for Cavitation
ANSYS CFX, Release 10.0: Reference Guide
Initialisation and error routines
cfxExportInit
cfxExportDone
cfxExportError
cfxExportFatal
Zone routines
cfxExportZoneCount
cfxExportZoneSet
cfxExportZoneGet
cfxExportZoneFree
Node routines
cfxExportNodeCount
cfxExportNodeList
cfxExportNodeGet
cfxExportNodeFree
Element routines
cfxExportElementCount
cfxExportElementList
cfxExportElementGet
cfxExportElementFree
Volume routines
cfxExportVolumeCount
cfxExportVolumeSize
cfxExportVolumeName
cfxExportVolumeList
cfxExportVolumeGet
cfxExportVolumeFree
Region routines
cfxExportRegionCount
cfxExportRegionSize
cfxExportRegionName
cfxExportRegionList
cfxExportRegionGet
cfxExportRegionFree
cfxExportFaceNodes
Variable routines
cfxExportVariableCount
cfxExportVariableSize
cfxExportVariableName
cfxExportVariableList
cfxExportVariableGet
cfxExportVariableFree
ANSYS CFX Best Practices Guide for Cavitation
Introduction
Liquid Pumps
ANSYS CFX Best Practices Guide for Combustion
Introduction
Gas Turbine Combustors
Table of Contents: ANSYS CFX Best Practices Guide for HVAC
Combustion Modelling in HVAC cases
ANSYS CFX Best Practices Guide for HVAC
Introduction
Generic HVAC Simulations
Setup
Convergence Tips
Post-Processing
ANSYS CFX Best Practices Guide for Multiphase
Introduction
Bubble Columns
Mixing Vessels
Free Surface Applications
ANSYS CFX Best Practices Guide for Turbomachinery
Introduction
Gas Compressors and Turbines
Liquid Pumps and Turbines
Fans and Blowers
Frame Change Models
Domain Interface Setup
ANSYS CFX-Pre CCL Details
Using the CCL Content Documentation
Frequently Asked Questions
The Questions
The Answers
Introduction
General
Help Documentation
ANSYS CFX Bibliography
ANSYS CFX-Solver, Release 10.0: Theory
Table of Contents
Basic Solver Capability Theory
Introduction
Dimensions
List of Symbols
Variable Definitions
Mathematical Notation
Governing Equations
Transport Equations
Equations of State
Conjugate Heat Transfer
Buoyancy
Full Buoyancy Model
Boussinesq Model
Multicomponent Flow
Multicomponent Notation
Additional Variables
Transport Equation
Diffusive Transport Equation
Poisson Equation
Algebraic Equation
Rotational Forces
Alternate Rotation Model
Sources
Momentum Sources
General Sources
Mass (Continuity) Sources
Bulk Sources
Radiation Sources
Boundary Sources
Boundary Conditions
Inlet (subsonic)
Inlet (supersonic)
Outlet (subsonic)
Outlet (supersonic)
Opening
Wall
Symmetry Plane
Table of Contents: Turbulence and Wall Function Theory
Automatic Timescale Calculation
Fluid Timescale Estimate
Solid Timescale Estimate
Mesh Adaption
Adaption Criteria
Mesh Refinement Implementation in ANSYS CFX
Mesh Adaption Limitations
Flow in Porous Media
Darcy Model
Directional Loss Model
Turbulence and Wall Function Theory
Turbulence Models
Statistical Turbulence Models and the Closure Problem
Eddy Viscosity Turbulence Models
The Zero Equation Model in ANSYS CFX
Two Equation Turbulence Models
The (k-)1E Eddy Viscosity Transport Model
Reynolds Stress Turbulence Models
The Reynolds Stress Model
The Reynolds Stress- Models
Rotating Frame of Reference for Reynolds Stress Models
ANSYS CFX Transition Model Formulation
Large Eddy Simulation Theory
Smagorinsky Model
Wall Damping
Detached Eddy Simulation Theory
SST-DES Formulation Strelets et al
Zonal SST-DES formulation in CFX
Numerical Treatment of DES Model
Boundary Conditions
Modelling Flow Near the Wall
Mathematical Formulation
Wall Distance Formulation
1-D Illustration of Concept
Concept Generalized to 3-D
GGI and MFR Theory
GGI and MFR Theory
Interface Characteristics
Numerics
Multiphase Flow Theory
Introduction
Multiphase Notation
Table of Contents: Multiphase Flow Theory
ANSYS CFX-Solver, Release 10.0: Theory
The Homogeneous and Inhomogeneous Models
The Inhomogeneous Model
The Homogeneous Model
Hydrodynamic Equations
Inhomogeneous Hydrodynamic Equations
Homogeneous Hydrodynamic Equations
Multicomponent Multiphase Flow
Interphase Momentum Transfer Models
Interphase Drag
Lift Force
Virtual Mass Force
Wall Lubrication Force
Interphase Turbulent Dispersion Force
Solid Particle Collision Models
Introduction
Interphase Heat Transfer
Phasic Equations
Inhomogeneous Interphase Heat Transfer Models
Homogeneous Heat Transfer in Multiphase Flow
Multiple Size Group (MUSIG) Model
Model Derivation
Size Group Discretisation
Breakup Models
Coalescence Models
The Algebraic Slip Model
Phasic Equations
Bulk equations
Drift and slip relations
Derivation of the Algebraic Slip Equation
Turbulence effects
Energy equation
Wall deposition
Turbulence Modelling in Multiphase Flow
Phase-Dependent Turbulence Models
Turbulence Enhancement
Homogeneous Turbulence for Multiphase Flow
Additional Variables in Multiphase Flow
Additional Variable Interphase Transfer Models
Homogeneous Additional Variables in Multiphase Flow
Sources in Multiphase Flow
Fluid-specific Sources
Bulk Sources
Interphase Mass Transfer
User Defined Interphase Mass Transfer
General Species Mass Transfer
The Thermal Phase Change Model
The Cavitation Model
Free Surface Flow
Implementation
Surface Tension
Table of Contents: Particle Transport Theory
Particle Transport Theory
Introduction
Lagrangian Tracking Implementation
Integration
Interphase Transfer Through Source Terms
Momentum Transfer
Drag Force
Buoyancy Force
Forces due to System Rotation
Non-Drag Forces
Heat and Mass Transfer
Heat transfer
Simple Mass transfer
Liquid Evaporation Model
Oil Evaporation/Combustion
Reactions
Coal Combustion
Hydrocarbon Fuel Analysis Model
Basic Erosion Model
Model of Finnie
Model of Tabakoff and Grant
Overall erosion rate and erosion output
Spray Breakup Models
Primary breakup/Atomization Models
Secondary Breakup Models
Dynamic Drag Models
Dynamic Drag Law Control
Penetration Depth and Spray Angle
Combustion Theory
Introduction
Transport Equations
Chemical Reaction Rate
Fluid Timescale for Extinction Model
The Eddy Dissipation Model
The Finite Rate Chemistry Model
The Combined Eddy Dissipation/Finite Chemistry Model
Combustion Source Term Linearisation
The Flamelet Model
Laminar Flamelet Model for Non Premixed Combustion
Coupling of Laminar Flamelet with the Turbulent Flow Field
Flamelet Libraries
Premixed and Partially Premixed Model
Reaction Progress, Turbulent Flame Speed Closure
Turbulent Burning Velocity
Phasic Combustion
NO Formation Model
Formation Mechanisms
Table of Contents: Radiation Theory
ANSYS CFX-Solver, Release 10.0: Theory
Soot Model
Soot formation
Soot combustion
Turbulence effects
Radiation Theory
Introduction
Radiation Transport
Rosseland Model
Wall Treatment
The P1 Model
Wall Treatment
Discrete Transfer Model
Monte Carlo Model
Spectral Models
Gray
Multiband Model
Multigray Model
Discretisation and Solution Theory
Numerical Discretisation
Discretisation of the Governing Equations
The Coupled System of Equations
Solution Strategy - The Coupled Solver
General Solution
Linear Equation Solution
Residual Normalisation Procedure
Discretisation Errors
Numerical Diffusion
Numerical Dispersion
Rhie-Chow Discretisation Errors
ANSYS CFX, Release 10.0: Tutorials
Table of Contents
Tutorial Feature List
Tutorial Feature Index
Introduction to the ANSYS CFX Tutorials
Introduction
Helpful Tips
Tutorial 1: Flow in a Static Mixer
Introduction
Defining a Simulation using Quick Setup Mode in ANSYS CFX-Pre
Obtaining a Solution Using ANSYS CFX-Solver Manager
Viewing Results in ANSYS CFX-Post
Tutorial 2: Flow in a Static Mixer (Refined Mesh)
Introduction
Defining a Simulation using General Mode in ANSYS CFX-Pre
Obtaining a Solution Using Interpolation with ANSYS CFX-Solver
Viewing Results in ANSYS CFX-Post
Tutorial 3: Flow in a Process Injection Mixing Pipe
Introduction
Defining a Simulation using General Mode in ANSYS CFX-Pre
Obtaining a Solution Using ANSYS CFX-Solver Manager
Tutorial 4: Flow from a Circular Vent
Introduction
Defining a Steady-State Simulation in CFX-Pre
Obtaining a Solution to the Steady-State Problem
Table of Contents: Flow Around a Blunt Body
Defining a Transient Simulation in ANSYS CFX-Pre
Obtaining a Solution to the Transient Problem
Viewing Results in ANSYS CFX-Post
Tutorial 5: Flow Around a Blunt Body
Introduction
Defining a Simulation in ANSYS CFX-Pre
Obtaining a Solution Using ANSYS CFX-Solver Manager
Viewing Results in ANSYS CFX-Post
Tutorial 6: Buoyant Flow in a Partitioned Cavity
Introduction
Defining a Simulation in ANSYS CFX-Pre
Obtaining a Solution using ANSYS CFX-Solver Manager
Viewing Results in ANSYS CFX-Post
Tutorial 7: Free Surface Flow Over a Bump
Introduction
Defining a Simulation in ANSYS CFX-Pre
Obtaining a Solution using ANSYS CFX-Solver Manager
Viewing the Results in ANSYS CFX-Post
Using a Supercritical Outlet Condition
Tutorial 8: Supersonic Flow Over a Wing
Introduction
Defining a Simulation in CFX-Pre
Obtaining a Solution using ANSYS CFX-Solver Manager
Viewing Results in ANSYS CFX-Post
Tutorial 9: Flow Through a Butterfly Valve
Introduction
Defining a Simulation in ANSYS CFX-Pre
Obtaining a Solution using ANSYS CFX-Solver Manager
Viewing Results in ANSYS CFX-Post
Tutorial 10: Flow in a Catalytic Converter
Introduction
Defining a Simulation in ANSYS CFX-Pre
Obtaining a Solution using ANSYS CFX-Solver Manager
Viewing Results in ANSYS CFX-Post
Table of Contents: Non-Newtonian Fluid Flow in an Annulus
ANSYS CFX, Release 10.0: Tutorials
Tutorial 11: Non-Newtonian Fluid Flow in an Annulus
Introduction
Defining a Simulation in ANSYS CFX-Pre
Obtaining a Solution using ANSYS CFX-Solver Manager
Viewing Results in ANSYS CFX-Post
Tutorial 12: Flow in an Axial Rotor/Stator
Introduction
Defining a Frozen Rotor Simulation in ANSYS CFX-Pre
Obtaining a Solution to the Frozen Rotor Model
Viewing the Frozen Rotor Results in ANSYS CFX-Post
Setting up a Transient Rotor-Stator Calculation
Obtaining a Solution to the Transient Rotor-Stator Model
Viewing the Transient Rotor-Stator Results in ANSYS CFX-Post
Tutorial 13: Reacting Flow in a Mixing Tube
Introduction
Defining a Simulation in ANSYS CFX-Pre
Obtaining a Solution using ANSYS CFX-Solver Manager
Viewing Results in ANSYS CFX-Post
Tutorial 14: Conjugate Heat Transfer in a Heating Coil
Introduction
Defining a Simulation in CFX-Pre
Obtaining a Solution using ANSYS CFX-Solver Manager
Viewing Results in ANSYS CFX-Post
Tutorial 15: Multiphase Flow in Mixing Vessel
Introduction
Defining a Simulation in ANSYS CFX-Pre
Obtaining a Solution using ANSYS CFX-Solver Manager
Viewing Results in ANSYS CFX-Post
Tutorial 16: Gas-Liquid Flow in an Airlift Reactor
Introduction
Defining a Simulation in CFX-Pre
Obtaining a Solution using ANSYS CFX-Solver Manager
Viewing Results in ANSYS CFX-Post
Table of Contents: Air Conditioning Simulation
Tutorial 17: Air Conditioning Simulation
Introduction
Defining a Simulation in ANSYS CFX-Pre
Obtaining a Solution using ANSYS CFX-Solver Manager
Viewing Results in ANSYS CFX-Post
Tutorial 18: Combustion and Radiation in a Can Combustor
Introduction
Using Eddy Dissipation and P1 Models
Defining a Simulation in ANSYS CFX-Pre
Obtaining a Solution using ANSYS CFX-Solver Manager
Viewing Results in ANSYS CFX-Post
Laminar Flamelet and Discrete Transfer Models
Further Postprocessing
Tutorial 19: Cavitation Around a Hydrofoil
Introduction
Creating an Initial Simulation
Obtaining a Solution using ANSYS CFX-Solver Manager
Viewing the Results of the Initial Simulation
Running a Simulation with Cavitation
Obtaining a Solution using ANSYS CFX-Solver Manager
Viewing the Results of the Cavitation Simulation
Tutorial 20: Fluid Structure Interaction and Mesh Deformation
Introduction
Using CEL Expressions to Govern Mesh Deformation
Using a Junction Box Routine to Govern Mesh Deformation







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