ANSYS ICEM CFD Tutorial Manual - Purdue University

ANSYS ICEM CFD Tutorial ManualANSYS, Inc.Southpointe275 Technology DriveCanonsburg, PA 15317ansysinfo@ansys.comhttp://www.ansys.com(T) 724-746-3304(F) 724-514-9494ANSYS ICEM CFD 14.5October 2012ANSYS, Inc. iscertified to ISO9001:2008.

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Table of ContentsHexa Mesh Generation for a 2D Pipe Junction . 1Preparation . 2Blocking Strategy . 2Step 1: Block the Geometry . 3Step 2: Associate Entities to the Geometry . 10Step 3: Move the Vertices . 13Step 4: Apply Mesh Parameters . 17Step 5: Generate the Initial Mesh . 19Step 6: Adjust the Edge Distribution and Refine the Mesh . 20Step 7: Match the Edges . 25Step 8: Verify and Save the Mesh and Blocking . 29Hexa Mesh Generation for a 2D Car . 31Start a New Project and Initiate Replay Control . 31Create and Split the Blocking to Resemble the Geometry . 34Associate and Fit the Blocking to the Geometry . 42Align the Vertices . 45Set Mesh Parameters and Generate the Initial Mesh . 48Create an O-grid . 50Refine the Mesh using Edge Parameters . 53Save the Replay File and Use it for Design Iteration . 57Create Output Data for a Solver . 60Hexa Mesh Generation for a 3D Pipe Junction . 63Preparation . 64Step 1: Creating Parts . 64Step 2: Creating a Material Point . 67Step 3: Blocking the Geometry . 68Step 4: Projecting the Edges to the Curves . 71Step 5: Moving the Vertices . 73Step 6: Generating the Mesh . 75Step 7: Checking the Mesh Quality . 79Step 8: Creating an O-Grid in the Blocking . 80Step 9: Verifying and Saving the Mesh . 86Hexa Mesh Generation for a Sphere Cube Geometry . 89Preparation . 90Step 1: Creating Parts . 90Step 2: Creating a Material Point . 94Step 3: Blocking the Geometry . 95Step 4: Creating Composite Curves . 95Step 5: Projecting Edges to the Curves . 97Step 6: Moving the Vertices . 98Step 7: Creating the O-Grid . 99Step 8: Generating the Mesh . 103Step 9: Viewing the Scan Planes . 105Step 10: Verifying and Saving the Mesh . 107Hexa Mesh Generation for a Pipe with Embedded Blade . 109Starting the Project . 110Creating Parts in the Mesh Editor . 110Initial Blocking and Associations . 114Splitting and Collapsing Blocks around the Blade . 119Fit the Blocking to the Blade geometry . 123ANSYS ICEM CFD 14.5 - SAS IP, Inc. All rights reserved. - Contains proprietary and confidential information of ANSYS, Inc. and its subsidiaries and affiliates.iii

TutorialsGenerating the O-Grid . 126Defining Surface Parameters for the Mesh . 128Defining Edge Parameters to Adjust the Mesh . 130Checking and Improving Mesh Quality . 133Saving . 136Hexa Mesh Generation for an Elbow Part . 137Preparation . 138Step 1: Creating a Material Point . 140Step 2: Blocking the Geometry . 142Step 3: Fitting the Blocking to the Geometry . 144Step 4: Creating the First O-Grid . 148Step 5: Adjust the O-Grid Edge Length to Improve Quality . 152Step 6: Generate the Pre-Mesh . 158Step 7: Creating the Second O-Grid . 160Step 8: Generating the Mesh . 163Step 9: Saving the Project . 170Bottom Up Hexa Mesh Strategy for a Grid Fin . 175Preparation . 177Initiate 2D Blocking . 177Associate Initial Blocking to a Minor Geometry . 179Create an O-grid and Place Vertices . 184Rotate and Copy to Resolve Other Geometries . 187Complete the 2D Grid by Vertex Placement . 189Extrude a 2D Planar Grid to Create 3D Blocking . 193Refine the Blocking with Further Splits and Associations . 195Resolve Zero Thickness Walls . 203Define Periodicity . 207Generate the Mesh . 209Check the Mesh Quality . 211Reduce the Blocks in a Multiblock Mesh . 212Save the Mesh . 215Tetra/Prism Mesh in a Fin Configuration .

ANSYS ICEM CFD Tutorial Manual ANSYS, Inc. ANSYS ICEM CFD 14.5 Southpointe October 2012 275 Technology Drive Canonsburg, PA 15317 ANSYS, Inc. is certified to ISO 9001:2008. ansysinfo@ansys.com