Introduction to the course and how to use course

Introduction to course
How to use this course effectively and efficiently for learning CFD

Workshop 1 : Laminar pipe flow - Making geometry in Ansys Design modeler

Geometry of 3D Cylinder
Split of cylinder into 5 Parts for Hexa mesh generation - Part I
Split of cylinder into 5 Parts for Hexa mesh generation - Part 2
Opening and Saving Workbench Files
Opening spaceclaim or design modeller in ANSYS workbench

Workshop 1 : Laminar pipe flow - Geometry in SpaceClaim (Not Compulsory)

Creating cylinder geometry using simple pull command
Creating cylinder geometry using pull along path
Pull along arbitrary path
Creating cylinder geometry using blend command

Workshop 1 : Laminar pipe flow - Hexa Meshing in Workbench (Not Necessary)

Hexa meshing of circular cylinder
Editing mesh of circular cylinder along length
Mesh Optimization
Mesh quality and statistics

Workshop 1 : Anysys Meshing : Tetra + Prism Mesh in Workbench (Compulsory)

Creating tetra and prism meshing

Workshop 1 : Laminar pipe flow - Tetra Prism Mesh in ICEMCFD (not necessary)

Creating Tetra + Prism mesh for circular pipe in ICEMCFD

Workshop 1 : Hexa Meshing of cylinder in ICEMCFD (Not Compulsory)

Geometry generation of circular cylinder in ICEM CFD (Not compulsory)
Creating parts from geometry
Block creation and association of blocking to geometry
O-Grid and editing of O-Grid
Pre-mesh edge parameters and unstructured mesh conversion
Solver, boundary conditions and mesh export

Workshop 1 : Laminar pipe flow - Problem setup in ANSYS CFX Pre

Introduction, opening CFX launcher and CFX Pre, and setting working directory
Mesh Import, quick setup and mesh manipulation
Creating expressions for density and viscosity
Defining custom/ new material in CFX-Pre from the expressions
Domain setting - Renaming a domain
Turbulence and heat transfer model settings
Domain setting - Reference pressure and other options
Defining boundary conditions
Solution initialization for steady state and transient cases
Solver control
Output control
Writing solver input files

Workshop 1 : Laminar pipe flow - Running case in CFX solver

Introduction
Opening CFX solver, defining new run and loading definition file
Solver options
Solution Monitors
Editing solver input file in CFX Solver and backup files
Understanding convergence in CFX Solver
Comparison of single precision and double precision solver on convergence
Effect of Parallel processing on convergence in CFX Solver
Auto time scale vs physical time scale
Mass flow rate monitors
Post processing Results
Mesh statistics in CFX Solver
Output file in CFX Solver

Workshop 1 : Laminar pipe flow - CFD - Post

Launching CFD Post and Loading results (*.res) file
How to create a plan in CFD-Post
Vector plots
Contour plots
Creating a line in CFD-Post
Creation of XY plot, axial velocity profile and radial velocity profile
Pressure gradient along pipe
Exporting chart for Excel
Plotting skin friction coefficient
Comparing CFD and analytical results

Workshop 2 : NACA 0012 geometry and domain creation in modeller

Introduction and Airfoil nomenclature
Creating coordinate file for naca 0012 airfoil
Airfoil curve and surface generation
Domain creation around airfoil
Creation of fluid domain - Boolean operation (Subtract)
Domain splitting for mapped meshing
Boundary Conditions / Named Selection
Correcting problems in airfoil coordinates important into DM

Workshop 3 : NACA 0012 Mapped or Hexa meshing in ANSYS Meshing

Introduction, launching Ansys Meshing and physics and solver preferences
Face meshing
Edge sizing and mapped mesh generation for NACA 0012 Airfoil
Mesh, Mesh Quality and Mesh Statistics
Mesh export for Fluent and CFX

Workshop 4 : NACA 0012 CFD using Ansys Fluent

Introduction and basic calculations.
Launching Fluent in stand-alone and workbench mode and loading mesh file
Mesh quality and check
Turbulence model selection and material properties
Boundary conditions
Reference values
Solution methods and controls
Report definition, report files and report monitors
Residual plots
Solution initialization
Auto save Case and Data files
Solution animation, solution running, and judging solution convergence
Results and Discussion : Contour plots
Velocity vectors , YPlus/Y Star plot, Cp plot
Determination of drag and lift coefficient and comparison with experimental data

Workshop 5 : NACA 0012 CFD using Ansys CFX

Introduction to workshop 5
Workshop contents
Problem description
Importing 2d Fluent mesh file (.msh) into CFX in standalone and workbench mode
Mesh statistics
Defining new coordinate frame for angle of attack
Defining expressions for different variables
Material properties and ccl file for expressions and materiel properties
Boundary conditions
Solution monitors for Drag and Lift Coefficients
Solver and output control
Post processing: CFD Post, Contour and Vector plots
Cp and Y+ plot on airfoil at 10 Deg AoA
Determining lift and drag coefficients in CFD Post at AoA 10 Deg
Bonus Lecture

NACA 4412 CFD analysis in ANSYS Workbench (Fluent, DM, CFDPost, ANSYS Meshing)

Introduction
Creating domain for NACA 4412 geometry in design modeller
Mapped meshing for NACA 4412 in ANSYS meshing
Solving miscellaneous issues in Workbench
Solution and post processing of results for NACA 4412 airfoil
Post processing of CFD results in CFD-Post

WS 6 - Laminar pipe flow in Fluent

Introduction
Importing mesh and other general settings
Solver settings, residual and other plots, solution running
Contour plots, replacing mesh and axial velocity plot
Pressure along axial planes, vector plots and pathlines
Advanced path line features
Creating Iso-surface and Iso-clip and plotting skin friction coefficient

WS7 : 3D CFD analysis of triple Wedge in Fluent and ICEMCFD

Introduction
Hexa Meshing of Triple Wedge in ICEMCFD - 1
Hexa Meshing of Triple Wedge in ICEMCFD - 2
Solving case in Fluent
Post process in Fluent and Tecplot
Comparing cases in Tecplot, saving layout and style in Tecplot

CFD simulation of mixing elbow - Introduction and problem description

Introduction
Problem description
What you will get in this workshop
Ansys Workbench and file management

CFD simulation of mixing elbow - Geometry generation in design modeler

Opening design modeler and general settings
Create center line
Creating new plane for the circle geometry and draw circle on it
Creating of geometry of large elbow pipe using sweep command and two sketches
Creating new plane and sketch of circle on it
Creation of small inlet
Symmetric model
Translating geometry to origin
Defining named selection for boundary conditions

CFD simulation of mixing elbow - Mesh generation in ANSYS meshing

Introduction
Launching Ansys meshing, preliminary settings and mesh generation
Inserting meshing method : Tetrahedron (Patch Conforming)
Inflation : Boundary layer mesh
Refining mesh on whole volume using body sizing
Mesh refinement on local face using face meshing option
Mesh statistics and mesh quality metrics
Cut view of mesh to get information about mesh from inside
Saving and loading mesh views
Saving mesh pictures
Creating medium and fine meshes for mesh independence studies
Creating body of influence to refine mesh in a particular region

CFD simulation of mixing elbow : Computational setup in Fluent

Introduction
Defining turbulence model, material properties and boundary conditions
Creation of report definition for monitoring convergence
Solver settings, convergence criteria, initialization and running case
Saving project file as archive and running medium mesh case
Solving fine and very fine meshes

CFD simulation of mixing elbow : Post processing in Fluent

Displaying contour and vector plots for various variables
Plot and discussion on Y+ and first cell height
Path-lines and displaying different plots in single display window
Copying views to make similar plots in various cases
Mesh independence study for coarse, mesh and fine meshes

CFD simulation of mixing elbow : Post processing in CFD - Post

Introduction and displaying geometry & mesh etc
Displaying contours, vectors and path-lines
Creating center line in spaceclaim and CFD-Post using contour method
Creating center line using Polyline (from file option)
Plotting velocity, temperature and pressure on center line
Creating lines at 0, 44 and 90 degrees in bend of mixing elbow
Plotting various parameters on lines at 0, 44 and 90 degrees
Comparing multiple cases for coarse, medium fine and very fine meshes

Mixing Elbow with Swirler - Part B

Geometry and meshing of full 360 deg elbow (without symmetry)
Solution and post processing of Full 360 model and comparison with half model
Creating geometry of Swirler and making assembly with mixing elbow
Creating mesh in ANSYS Meshing for mixing elbow with swirler
Solution and post processing for swirler in Fluent and CFD Post
Effect of 2nd order upwind scheme on results
Effect of swirler position on results and heat transfer rate

Passive flow separation control in mixing elbow

Effect of bump on separation on inner part of mixing elbow

Flow in sudden double contractions with Parametric study of pipe length

Introduction
Opening workbench and design modeler, and available WS resources
Creating geometry of double contraction in design modeler
Geometry decomposition for hexa meshing
Geometry rotation by 90 deg
Named selection for boundary conditions
Geometry Parameterization

Hexa Meshing of sudden double contraction pipe with 90 deg bend

1_General introduction and different options in ANSYS Meshing
Multizone mesh with common problems and rectification of problems
Creating Hexa mesh using Mutlizone method and edge sizing
Section views, saving views and saving images

Solution of double sudden double contraction pipe in Fluent

General settings in Fluent
Case setup and solution in Fluent
Results visualization in Fluent
Y+, mesh refinement and effect on solution accuracy, convergence and stability
Mesh independence study

Sudden double pipe contraction - Post processing of CFD results in CFD - Pos

Displaying results in CFD-Post

Sudden double pipe contraction - Paramedic study

Parametric study of various input and output parameters in Workbench

How to import airfoil coordinate in spaceclaim

How to import airfoil coordinate in spaceclaim : 2d and 3d curves

One way FSI (fluid structure interaction) of power plant Cooling Tower

Introduction
Creating geometry of cooling tower in ANSYS Spaceclaim
Creating domain for CFD analysis in ANSYS Spaceclaim
Mesh generation for CFD analysis part in workbench
CFD simulation in Fluent for calculating wind load on cooling tower structure
Geometry and mesh generation on cooling tower for static structural
Importing CFD results (wind load pressure) into static structural and solution
Discussion on results and exporting animation for complete case

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Mastering Ansys CFD Level 1

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The syllabus

Introduction to the course and how to use course

Workshop 1 : Laminar pipe flow - Making geometry in Ansys Design modeler

Workshop 1 : Laminar pipe flow - Geometry in SpaceClaim (Not Compulsory)

Workshop 1 : Laminar pipe flow - Hexa Meshing in Workbench (Not Necessary)

Workshop 1 : Anysys Meshing : Tetra + Prism Mesh in Workbench (Compulsory)

Workshop 1 : Laminar pipe flow - Tetra Prism Mesh in ICEMCFD (not necessary)

Workshop 1 : Hexa Meshing of cylinder in ICEMCFD (Not Compulsory)

Workshop 1 : Laminar pipe flow - Problem setup in ANSYS CFX Pre

Workshop 1 : Laminar pipe flow - Running case in CFX solver

Workshop 1 : Laminar pipe flow - CFD - Post

Workshop 2 : NACA 0012 geometry and domain creation in modeller

Workshop 3 : NACA 0012 Mapped or Hexa meshing in ANSYS Meshing

Workshop 4 : NACA 0012 CFD using Ansys Fluent

Workshop 5 : NACA 0012 CFD using Ansys CFX

NACA 4412 CFD analysis in ANSYS Workbench (Fluent, DM, CFDPost, ANSYS Meshing)

WS 6 - Laminar pipe flow in Fluent

WS7 : 3D CFD analysis of triple Wedge in Fluent and ICEMCFD

CFD simulation of mixing elbow - Introduction and problem description

CFD simulation of mixing elbow - Geometry generation in design modeler

CFD simulation of mixing elbow - Mesh generation in ANSYS meshing

CFD simulation of mixing elbow : Computational setup in Fluent

CFD simulation of mixing elbow : Post processing in Fluent

CFD simulation of mixing elbow : Post processing in CFD - Post

Mixing Elbow with Swirler - Part B

Passive flow separation control in mixing elbow

Flow in sudden double contractions with Parametric study of pipe length

Hexa Meshing of sudden double contraction pipe with 90 deg bend

Solution of double sudden double contraction pipe in Fluent

Sudden double pipe contraction - Post processing of CFD results in CFD - Pos

Sudden double pipe contraction - Paramedic study

How to import airfoil coordinate in spaceclaim

One way FSI (fluid structure interaction) of power plant Cooling Tower

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