Simulation Model Creation and Assembly Essentials
R2014x
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
About this Course
2 days
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
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
Additional Material
Appendix 1 Overview of FEA Modeling
Workshop 8 Pump Assembly
Join the Community!
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, 2014.
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:
http://www.3ds.com/products/simulia/portfolio/product-os-commercial-programs.
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
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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
Lesson 1: Geometric Operations
1.5 hours
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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.
Workshop 1a: Pump – Importing and Defeaturing Geometry
30 minutes
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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
Workshop 1b: Defeaturing of a Lens Component
45 minutes
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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.
Workshop 1c: Defeaturing a Machine Part
45 minutes
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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.
Workshop 1d: Geometry Clean-up of a Piston Head
1 hour This workshop is
optional.
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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
Lesson 2: Meshing Basics
1 hour
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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
Workshop 2a: Intersecting Pipes – Octree Mesh
20 minutes
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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
Workshop 2b: Wire Crimp Assembly Mesh
45 minutes
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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
Lesson 3: Surface Meshing
1 hour
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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
Workshop 3: Engine Block – Surface Rules Mesh
45 minutes
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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
Lesson 4: Solid Meshing
1 hour
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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.
Workshop 4: Intersecting Pipes – Partitioning
1 hour
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Lesson content:
Mesh Transformations
Lesson 5: Mesh Transformations
45 minutes
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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.
Workshop 5a: Gear Tooth – Transformation Meshes
30 minutes
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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.
Workshop 5b: Piston Head – Meshing
30 minutes
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Lesson content:
Importing and Exporting Meshes
Editing Surface Meshes
Lesson 6: Importing Meshes and Editing Surface Meshes
30 minutes
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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.
Workshop 6: Importing and Editing a Mesh
30 minutes
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Lesson content:
Batch Meshing
Lesson 7: Batch Meshing
30 minutes
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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.
Workshop 7: Cradle Assembly – Batch Mesh
30 minutes
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Lesson content:
Visualizing the Mesh
Checking the Mesh
Updating Meshes
Groups
Lesson 8: Mesh Checking and Visualization
1 hour
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Appendix content:
Geometry Import
Assemblies
Materials and Section Properties
Connections
Appendix 1: Overview of FEA Modeling
2 hours
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Workshop 8: Pump Assembly
1 hour
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
Gasket
Pump
cover
Bolts