Introduction to course
- Course Introduction
Problem description of workshop on missile
- Introduction
- Boundary layer, first cell height and Y+
Geometry processing in Spaceclaim
- Opening Spaceclaim and important commands
- Importing cad model and changing display properties of geometry
- Cleaning geometry, re-creation of important surfaces and making solids
- Creating final missile model with fins as single part
- Fluid domain creation and saving file
Workshop 2: Tetra Prism mesh generation in ICEM CFD
- Introduction, opening ICEMCFD, Working directory and surface resolution
- Creating Parts for boundary conditions
- Mesh settings and volue mesh generation using Octree method
- Improving surface mesh quality using laplace smoothing
- Creating density boxes and delaunay mesh
- Problem Description
- Prism mesh generation and editing
- Mesh info and mesh export for Fluent and CFX
Workshop 3: Problem setup, solution and post processing in Fluent for Missile
- Opening mesh file, material properties, turbulence model and mesh units&quality
- Boundary conditions, solution settings and running case
- Post processing results and mesh adaptation for shock wave resolution
Introduction and problem description for workshop 6,7&8
- Introduction and problem description for workshop 6, 7& 8
Workshop 6a : Centrifugal Fan - Creating assembly
- Aligning Fan rotor and inlet cone
- Aligning Scroll with Fan rotor & Inlet cone
- Some advanced features of assembly creation in spaceclaim
Workshop 6b : Creating centrifugal fan CFD model in Spaceclaim from iges model
- Importing IGES file and applying some preliminary settings
- Moving file to origin, deleting interface region and creating lines
- Recreating important surfaces
- Separating different components and some processing
- Creating final model of scroll with extended region at outlet
- Creating final model of Inlet-Cone with extended region at inlet
- Creating final model of centrifugal fan impeller
Workshop 7 : Tetra-prism meshing of Centrifugal Fan
- Introduction and file import into ICEMCFD
- Creating Tetra-Prism mesh for Inlet-Cone and export in fluent format with BCs
- Creating Tetra-Prism mesh for Volute/Scroll : Build topology and parts
- Creating Tetra-Prism mesh for Volute/Scroll : Mesh generation and export
- Creating Tetra-Prism mesh for centrifugal fan impeller
Turbomachinery CFD modeling in Fluent
- Introduction and discussion about SRF and MRF
- When to use MRF?
- Setting up SRF model in Fluent
- Setting up Frozen Rotor model in Fluent and mesh interfaces
- Setting up mixing plane model in Fluent
- Setting up sliding mesh model in Fluent
- Boundary conditions for rotating and stationary domains
- Summary of different turbomachinery models in Fluent
- Difference between Frozen rotor, mixing plane and sliding mesh model
- Best practices for different type of simulation cases
Workshop 8 : Frozen Rotor analysis of centrifugal fan in Fluent
- Launching fluent and Importing three domain mesh files using append command
- Setting up interfaces and Frozen Rotor model
- Turbulence model, near wall treatment, boundary layer and Y+
- Y+ contours for SST and K-Epsilon realizable model with scalable wall functions
- Boundary condition
- Solution methods & controls, residuals & monitors and solution
- Basic post processing of centrifugal fan : Contours, Vectors and Pathlines
- Generating Fan performance map - Advanced level post processing
- Creating solution animation
Workshop 9: Ahmed Body CFD - Problem Description and important details
- Introduction to Ahmed Body workshop series
- Objectives of this workshop
- Problem description and geometry details
- Domain dimensions and general discussion of results and settings
Workshop 9: Ahmed Body geometry generation in design modeler
- Introduction
- Starting workbench and design modeler
- 3_Ahmed body Sketch with all dimensions
- 3D model generation using extrude command
- Adding 4 legs using extrude and pattern commands
- Round, unite and rotate body to required location
- Creating domain for Ahmed body, symmetric model and removal of legs
- Creating named selection for boundary conditions
- Project and geometry open, save in different formats
Workshop 9: Geometry editing of Ahmed Body in Spaceclaim
- Symmetric model using combine command
- Removing legs and moving origin to base of Ahmed body
- Mirror command to get full model using half model
Workshop 9: Tetra-Prism mesh of Ahmed Body in ICEM CFD
- Introduction
- Y+, First cell height, and Y+ calculator in excel
- Discussion on hybrid wall functions by Knopp
- Boundary layer, first cell height and Yplus on Ahmed body
- Geometry import and creation of parts
- Global Mesh Size and Size function
- Setting mesh sizes on parts
- Creating density box for local mesh refinement in wake region
- Computing volume mesh using two methods and surface mesh smoothing
- Generating boundary layer mesh using prisms
- Mesh export and creating three meshes for mesh independence
Workshop 9: Problem setup and solution in Fluent
- Problem setup in Fluent along with reference conditions
- Solving case in Fluent with optimum settings
Workshop 9: Post processing of flow around Ahmed Body in Fluent
