Table Of ContentFinite Element Analysis using
Open source Software
Mesh Deformed shape
Von Mises Tresca
- by Dharmit A. Thakore
Finite Element Analysis with
Open Source Software
Second Edition
Finite Element Analysis with
Open Source Software
Second Edition
Dharmit Thakore, CPEng, RPEQ
Moonish Ent. Pty. Ltd.
Brisbane, QLD, Australia
Moonish Enterprises Pty Ltd
GPO Box 1299, Brisbane, QLD 4001, Australia
2014
Credits and Copyright
Written by: Dharmit Thakore
[email protected]
Publisher: Moonish Ent. Pty. Ltd
[email protected]
http://engineering.moonish.biz
Graphic Design / Layout: Lomesha Thakore
[email protected]
Edition 2 ©2014 Dharmit Thakore
No part of this publication may be reproduced, stored or transmitted in any form or by any means, electronic,
mechanical or otherwise, without prior written consent from the publisher, except for the inclusion of brief
quotations in a review. You may store the pdf on your computer and backups. You may print one copy of this
book for your own personal use.
Disclaimer: The information contained in this book is based on the author’s experience, knowledge and
opinions. The author and publisher will not be held liable for the use or misuse of the information in this book.
To
My wife,
Our beloved son
&
Open Source Software
About the Author
Dharmit Thakore is the Director of Moonish Enterprises Pty Ltd at Brisbane, Queensland, Australia. He
practices as a Mechanical / Piping Engineer in Queensland. He received his Bachelor’s degree from Birla
Vishwakarma Mahavidhyalaya, Vallabh Vidhyanagar, Gujarat, India which was affiliated with Sardar Patel
University. He started his engineering career as a young Graduate in Larsen & Toubro – Sargent & Lundy,
Vadodara. He came to Australia for further studies and settled here. He received his Registered Professional
Engineer in Queensland (RPEQ) recognition early in his career and subsequently obtained his Chartered
Professional Engineer (CPEng) as a Mechanical / Piping Engineer.
Dharmit has broad interests, which include finite element analysis, design, optimization and Open Source
software. He is a member of ASME, Engineers Australia and Board of Professional Engineers in Queensland.
Table of Contents
Foreword xiii
What motivated me to write this book xiii
This book is written for xiii
This book is not written for xiv
What software would you need to follow through xiv
What are the steps in Finite Element Analysis xv
Study Cases xvii
Case 1: Getting to know Salome-Meca xvii
Case 2: Editing command (.comm) file xvii
Case 3: 1D Finite Element Analysis xviii
Case 4: 2D Frame Finite Element Analysis xviii
Case 5: Axi-symmetric Finite Element Analysis xviii
Case 6: 2D Shell Finite Element Analysis xviii
Case 7: Basic 3D Finite Element Analysis xviii
Case 8: 3D Finite Element Analysis with Hexahedral Linear Mesh xix
Case 9: 3D Finite Element Analysis with Hexahedral Quadratic Mesh xix
Case 10: Finite Element Analysis of a Pseudo Assembly xix
Case 11: Finite Element Analysis of a 3D Assembly xix
Getting to know Salome-Meca 1
Step 1: Purpose of the FE Analysis / Description of the problem 2
Step 2: Input values for the FE analysis 2
Step 3: Model Geometry 3
Step 4: Meshing Geometry 8
Step 5, 6, 7, 8 and 9: Salome-Meca Linear Static Analysis Wizard 12
Step 10: Run the analysis 16
Step 11: Post Processing of the Results 18
Summary 31
PS – Using Efficient to generate command (.comm) file 32
Chapternotes 36
Editing command (.comm) file 39
Step 1: Purpose of the FE Analysis / Description of the problem 40
Step 2: Input values for the FE analysis 40
Step 3: Model Geometry 41
Step 4: Meshing Geometry 43
Step 5, 6, 7, 8 and 9: Salome-Meca Linear Static Analysis Wizard 45
Step 8 and 9 again: Manual editing of command (.comm) file 47
Step 10: Running the analysis 52
Step 11: Post Processing of the Results 53
Summary 55
PS – Using Efficient to generate command (.comm) file 56
Chapter notes 60
1D Finite Element Analysis 61
Step 1: Purpose of the FE Analysis / Description of the problem 62
Step 2: Input values for the FE analysis 63
Step 3: Model Geometry 64
Step 4: Meshing Geometry 67
Step 5, 6, 7, 8 and 9: Creating command (.comm) file with Eficas 70
Step 10: Run the analysis 82
Step 11: Post Processing of the Results 84
Result 85
Summary 85
PS – Using Efficient to generate command (.comm) file 86
Chapter notes 91
2D Frame Finite Element Analysis 93
Step 1: Purpose of the FE Analysis / Description of the problem 94
Step 2: Input values for the FE analysis 94
Step 3: Model Geometry 95
Step 4: Meshing Geometry 99
Step 5, 6, 7, 8 and 9: Creating command (.comm) file by using a template 102
Step 10: Run the analysis 105
Step 11: Post Processing of the Results 106
Summary 107
PS – Using Efficient to generate command (.comm) file 108
Chapter notes 113
Axi-Symmetric Finite Element analysis 115
Step 1: Purpose of the FE Analysis / Description of the problem 116
Step 2: Input values for the FE analysis 116
Step 3: Model Geometry 117
Step 4: Meshing of Geometry 120
Step 5, 6, 7, 8 and 9: Salome-Meca Linear Static Analysis Wizard 128
Step 10: Running the analysis 130
Step 11: Post Processing of the Results 131
Summary 143
PS – Using Efficient to generate command (.comm) file 144
Chapter notes 148
2D Shell Finite Element analysis 149
Step 1: Purpose of the FE Analysis / Description of the problem 150
Step 2: Input values for the FE analysis 150
Step 3: Model Geometry 151
Step 4: Meshing Geometry 153
Step 5, 6, 7, 8 and 9: Writing command (.comm) file by hand 156
