Simulation Model Creation and Assembly Essentials. R2014x

Transcription

1 Simulation Model Creation and Assembly Essentials R2014x

2 About this Course Course objectives Upon completion of this course you will be able to: Clean and repair native and imported geometry. Use advanced meshing techniques. Targeted audience Simulation Analysts Prerequisites None 2 days

3 Day 1 Lesson 1 Geometric Operations Workshop 1a Pump Importing and Defeaturing Geometry Workshop 1b Defeaturing of a Lens Component Workshop 1c Defeaturing a Machine Part Workshop 1d Geometry Clean-up of a Piston Head (optional) Lesson 2 Meshing Basics Workshop 2a Intersecting Pipes Octree Mesh Workshop 2b Wire Crimp Assembly Mesh Lesson 3 Surface Meshing Workshop 3 Engine Block Surface Rules Mesh

4 Day 2 Lesson 4 Solid Meshing Workshop 4 Intersecting Pipes Partitioning Lesson 5 Mesh Transformations Workshop 5a Gear Tooth Transformation Mesh Workshop 5b Piston Head Meshing Lesson 6 Importing Meshes and Editing Surface Meshes Workshop 6 Importing and Editing a Mesh Lesson 7 Batch Meshing Workshop 7 Cradle Assembly Batch Mesh Lesson 8 Mesh Checking and Visualization

5 Additional Material Appendix 1 Overview of FEA Modeling Workshop 8 Pump Assembly

6 Join the Community!

7 Legal Notices The Software described in this documentation is available only under license from Dassault Systèmes and its subsidiary and may be used or reproduced only in accordance with the terms of such license. This documentation and the software described in this documentation are subject to change without prior notice. Dassault Systèmes and its subsidiaries shall not be responsible for the consequences of any errors or omissions that may appear in this documentation. No part of this documentation may be reproduced or distributed in any form without prior written permission of Dassault Systèmes or its subsidiary. Dassault Systèmes, Printed in the United States of America The 3DS logo, SIMULIA and CATIA are trademarks or registered trademarks of Dassault Systèmes or its subsidiaries in the US and/or other countries. Other company, product, and service names may be trademarks or service marks of their respective owners. For additional information concerning trademarks, copyrights, and licenses, see the notices at:

8 Revision Status Lesson 1 4/14 New for R2014x Lesson 2 4/14 New for R2014x Lesson 3 4/14 New for R2014x Lesson 4 4/14 New for R2014x Lesson 5 4/14 New for R2014x Lesson 6 4/14 New for R2014x Lesson 7 4/14 New for R2014x Lesson 8 4/14 New for R2014x Appendix 1 4/14 New for R2014x Workshop 1a 4/14 New for R2014x Workshop 1b 4/14 New for R2014x Workshop 1c 4/14 New for R2014x Workshop 1d 4/14 New for R2014x Workshop 2a 4/14 New for R2014x Workshop 2b 4/14 New for R2014x Workshop 3 4/14 New for R2014x Workshop 4 4/14 New for R2014x Workshop 5a 4/14 New for R2014x Workshop 5b 4/14 New for R2014x Workshop 6 4/14 New for R2014x Workshop 7 4/14 New for R2014x Workshop 8 4/14 New for R2014x

9 Lesson 1: Geometric Operations L1.1 Lesson content: Introduction Access the Simulation Model Preparation app The Simulation Model Preparation app Check and Repair Defeature Idealize Create Visualize Status Bar Workshop Preliminaries 1.5 hours

10 Workshop 1a: Pump Importing and Defeaturing Geometry W1a.1 In this workshop you will import and de-feature a solid model of a pump housing. After completion of this exercise, you will be able to: a. Import CAD files into the3dexperience Platform b. Defeature a part by removing faces. c. Change geometric features d. Create surface partitions which can help users to apply loads and boundary conditions in localized regions. 30 minutes

11 Workshop 1b: Defeaturing of a Lens Component W1b.1 In this workshop, you will import a part into the 3DEXPERIENCE Platform. The CAD data represent a lens component provided in STP format. After importing the part, you will create a Finite Element Model Representation and mesh the lens component. You will then check the quality of the lens mesh. To improve the mesh, you will defeature the model. You will then update the mesh and check its quality. After completing this exercise, you will be able to: a. Import a neutral format CAD file. b. Create a Finite Element Model Representation. c. Mesh the geometry and check its quality. d. Use the Simulation Model Preparation app to defeature the model 45 minutes

12 Workshop 1c: Defeaturing a Machine Part W1c.1 A simple mechanical component with some geometric features (through cuts, bolt holes, engraved labels, etc.) will be imported into the 3DEXPERIENCE Platform. You will mesh the part and check the quality of the mesh. You will then repair/defeature the part to improve the mesh quality. After completing this exercise, you will be able to: a. Import CAD files into the3dexperience Platform b. Quickly generate a mesh on a geometry using the Structural Model Creation app. c. Defeature a component using the tools available in the Simulation Model Preparation app. 45 minutes

13 Workshop 1d: Geometry Clean-up of a Piston Head W1d.1 A full model of a piston head will be imported into the 3DEXPERIENCE Platform. You will mesh the part and check the quality of the mesh. You will then defeature the part and rebuild specified regions of the geometry to improve the mesh quality. After completing this exercise, you will be able to: a. Import CAD files into the3dexperience Platform b. Quickly generate a mesh using the Structural Model Creation app. c. Repair/defeature a component using the tools available in the Simulation Model Preparation app. 1 hour This workshop is optional.

14 Lesson 2: Meshing Basics L2.1 Lesson content: Introduction to Meshing in the 3DEXPERIENCE Platform Workflows to create a Finite Element Model Representation Accessing the Mesher Octree Meshing Creating Meshes using the Octree Tetrahedron Mesh Tool Creating Meshes using the Octree Triangle Mesh Tool 1 hour

15 Workshop 2a: Intersecting Pipes Octree Mesh W2a.1 In this workshop, you will create a tetrahedral mesh on a three-dimensional model of intersecting pipes. After completion of this exercise, you will be able to: a. Import a 3D XML file containing a CATIA Product b. Open the Structural Model app and create a Finite Element Model Representation c. Create a tetrahedral mesh on a solid geometry 20 minutes

16 Workshop 2b: Wire Crimp Assembly Mesh W2b.1 The model of a wire crimp assembly is provided. In this workshop, you will mesh each part individually and then use an assembly of meshes to create a global mesh. After completion of this exercise, you will be able to: a. Import a 3D XML file containing a CATIA Product b. Create FEM Reps for individual parts c. Create an assembly of meshes 45 minutes

17 Lesson 3: Surface Meshing L3.1 Lesson content: Surface Meshing Surface Mesh: Workflow Creating Meshes using the Surface Mesh Tool Surface Rules Mesh: Workflow Creating Meshes using the Surface Rules Mesh Tool 1 hour

18 Workshop 3: Engine Block Surface Rules Mesh W3.1 A model of an engine block is provided. You will define meshing rules and create a surface mesh using these rules. You will then manually modify the mesh. Finally, you will create a solid tetrahedron mesh from the surface mesh and check its quality. After completing this workshop, you will be able to: a. Import CAD files into the 3DEXPERIENCE Platform b. Create a meshing rule. c. Create a surface mesh and edit it. d. Create a solid mesh from a surface mesh 45 minutes

19 Lesson 4: Solid Meshing L4.1 Lesson content: Creating Solid Meshes Creating Meshes using the Sweep 3D Mesh Tool Creating Meshes using the Tetrahedron Filler Mesh Tool Hex-dominant Meshing Partitioning 3D Geometry 1 hour

20 Workshop 4: Intersecting Pipes Partitioning W4.1 A three-dimensional model of intersecting pipes is provided. Quarter symmetry is assumed. The goal is to mesh the part with a combination of hexahedral and tetrahedral elements. You will partition the model into 3 regions and mesh 2 regions with hex elements and the third with tet elements. You will then create tie connections between the meshes. After completing this workshop, you will be able to: a. Import a 3D XML file into the 3DEXPERIENCE Platform b. Create volumes. c. Organize different surface and volume entities in geometrical sets. d. Create hexahedral elements and tetrahedral elements. e. Create tie connections. 1 hour

21 Lesson 5: Mesh Transformations L5.1 Lesson content: Mesh Transformations 45 minutes

22 Workshop 5a: Gear Tooth Transformation Meshes W5a.1 The geometry of a half-gear tooth is shown. You will mesh the geometry and generate the mesh for the entire gear from this mesh. You will then check for mesh compatibility. After completing this workshop, you will be able to: a. Import a 3D XML file into the 3DEXPERIENCE Platform b. Mesh the half gear tooth model. c. Create transformation meshes. 30 minutes

23 Workshop 5b: Piston Head Meshing W5b.1 A full model of a piston head will be imported into the 3DEXPERIENCE Platform. You will mesh the part with tetrahedral elements. After completing this exercise, you will be able to: a. Import CAD files into the3dexperience Platform b. Generate a tet mesh for the piston head using various techniques. 30 minutes

24 Lesson 6: Importing Meshes and Editing Surface Meshes L6.1 Lesson content: Importing and Exporting Meshes Editing Surface Meshes 30 minutes

25 Workshop 6: Importing and Editing a Mesh W6.1 An Abaqus input file containing the mesh for a single part from a cradle assembly is provided. You will import this input file into the 3DEXPERIENCE Platform and review the mesh. You will also edit the mesh. After completing this exercise, you will be able to: a. Import an orphan mesh into the 3DEXPERIENCE Platform from an Abaqus input file. b. Review and edit the mesh. 30 minutes

26 Lesson 7: Batch Meshing L7.1 Lesson content: Batch Meshing 30 minutes

27 Workshop 7: Cradle Assembly Batch Mesh W7.1 The geometry of a cradle assembly (typical of those used in an automobile) is provided. You will explore the assembly and set up a batch meshing process. You will create the meshing rule required for the batch meshing process and execute it. You will then open the assembly and examine the meshes. After completing this exercise, you will be able to: a. Import CAD files into the 3DEXPERIENCE Platform b. Create a meshing rule. c. Set up and execute a batch meshing process. 30 minutes

28 Lesson 8: Mesh Checking and Visualization L8.1 Lesson content: Visualizing the Mesh Checking the Mesh Updating Meshes Groups 1 hour

29 Appendix 1: Overview of FEA Modeling A1.1 Appendix content: Geometry Import Assemblies Materials and Section Properties Connections 2 hours

30 Workshop 8: Pump Assembly W8.1 In this workshop you will create the pump assembly shown below by importing and instantiating CAD geometry. Afterwards, you will apply material and section properties and define connections between the parts. After completion of this exercise, you will be able to: a. Create a Physical Product and import parts into it. b. Assemble the parts in a product using engineering connections and assembly patterns. c. Apply materials and section properties d. Define tie connections Pump housing Bolts Gasket Pump cover 1 hour