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Element Selection in Abaqus
6.12
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Course objectivesUpon completion of this course you will be able to:
Understand the distinguishing characteristics of the wide range of continuum and structural elements available
in Abaqus for stress analyses
Understand modeling features that may cause certain types of elements to behave poorly
Choose appropriate element types for different applications including the effects of fully or nearly
incompressible material behavior, contact, bending, etc.
Targeted audience
Simulation Analysts
Prerequisites
This course is recommended for engineers with experience using Abaqus
About this Course
2 days
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Day 1
Lecture 1 Solid Elements in Abaqus
Lecture 2 Cylindrical and Infinite Elements
Lecture 3 Solid Element Integration, Hourglassing, and Incompressible Material Behavior
Demo 1 Hourglass control
Workshop 1 Plane Strain Elements
Lecture 4 Key Properties of Solid Elements
Workshop 2 Plane Stress Elements
Lecture 5 Modeling Bending and Stress Concentrations with Solid Elements
Workshop 3 3-D Solid Elements
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Day 2
Lecture 6 Structural Elements in Abaqus
Lecture 7 Conventional Shell Elements
Workshop 4 Shell Elements
Lecture 8 Continuum Shell Elements
Lecture 9 Beam and Frame Elements
Workshop 5 Beam Elements
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Legal Notices
The Abaqus Software described in this documentation is available only under license from Dassault
Systmes 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 Systmes and its subsidiaries shall not be responsible for the consequences of any errors oromissions 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 Systmes or its subsidiary.
Dassault Systmes, 2012.
Printed in the United States of America
Abaqus, the 3DS logo, SIMULIA and CATIA are trademarks or registered trademarks of Dassault
Systmes 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 Legal
Notices in the Abaqus 6.12 Release Notes and the notices at:
http://www.3ds.com/products/simulia/portfolio/product-os-commercial-programs.
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Revision Status
Lecture 1 5/12 Updated for 6.12
Lecture 2 5/12 Updated for 6.12
Lecture 3 5/12 Updated for 6.12
Lecture 4 5/12 Updated for 6.12
Lecture 5 5/12 Updated for 6.12
Lecture 6 5/12 Updated for 6.12
Lecture 7 5/12 Updated for 6.12
Lecture 8 5/12 Updated for 6.12
Lecture 9 5/12 Updated for 6.12
Demo 1 5/12 Updated for 6.12
Workshop 1 5/12 Updated for 6.12
Workshop 2 5/12 Updated for 6.12
Workshop 3 5/12 Updated for 6.12
Workshop 4 5/12 Updated for 6.12
Workshop 5 5/12 Updated for 6.12
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L1.1
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The following topics are covered in this lesson.
Lesson content:
Solid Elements in Abaqus
Lesson 1: Solid Elements in Abaqus
90 minutes
L1.2
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Here are the steps to be followed:
Solid Elements in Abaqus
1. Introduction
2. Solid Elements in Abaqus
3. Planar Elements
4. Generalized Plane Strain Elements (S)
5. Axisymmetric Elements
6. Axisymmetric Elements with
Nonaxisymmetric Response (S)
7. Axisymmetric Elements with Twist (S)
8. Three-dimensional Elements
(S) Abaqus/Standard only
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L2.1
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The following topics are covered in this lesson.
Lesson content:
Cylindrical and Infinite Elements
Lesson 2: Cylindrical and Infinite Elements
60 minutes
L2.2
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Here are the steps to be followed:
Cylindrical and Infinite Elements
1. Cylindrical Elements (S)
2. Infinite Elements
(S) Abaqus/Standard only
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L3.1
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The following topics are covered in this lesson.
Lesson content:
Solid Element Integration, Hourglassing, and Incompressible Material Behavior
Workshop Preliminaries
Demonstration 1: Hourglass control
Workshop 1: Plane Strain Elements (IA)
Workshop 1: Plane Strain Elements (KW)
Lesson 3: Solid Element Integration, Hourglassing, and Incompressible Material Behavior
90 minutes
Both interactive (IA) and keywords (KW) versionsof the workshop are provided. Complete only one.
L3.2
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Here are the steps to be followed:
Solid Element Integration, Hourglassing, and Incompressible Material Behavior
1. Numerical Integration
2. Hourglassing and Hourglass Control
3. Incompressible Material Behavior
4. The Approach
5. Hybrid (Mixed) Elements (S)
6. Demonstration
(S) Abaqus/Standard only
B
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L4.1
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The following topics are covered in this lesson.
Lesson content:
Key Properties of Solid Elements
Workshop 2: Plane Stress Elements (IA)
Workshop 2: Plane Stress Elements (KW)
Lesson 4: Key Properties of Solid Elements
60 minutes
Both interactive (IA) and keywords (KW) versionsof the workshop are provided. Complete only one.
L4.2
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Here are the steps to be followed:
Key Properties of Solid Elements
1. Key Properties of First-Order Triangles and
Tetrahedra
2. Key Properties of Fully Integrated First-
Order Quads and Bricks
3. Key Properties of Reduced-Integration
First-Order Quads and Bricks
4. Key Properties of Second-Order Triangles
and Tetrahedra
5. Key Properties of Fully Integrated Second-
Order Quads and Bricks (S)
6. Key Properties of Reduced-IntegrationSecond-Order Quads and Bricks (S)
7. Using Second-Order Bricks in Contact
Problems (S)
8. Quads/Bricks or Triangles/Tetrahedra?
9. First- or Second-Order Elements?
(S) Abaqus/Standard only
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L5.1
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The following topics are covered in this lesson.
Lesson content:
Modeling Bending and Stress Concentrations with Solid Elements
Workshop 3: 3-D Solid Elements (IA)
Workshop 3: 3-D Solid Elements (KW)
Lesson 5: Modeling Bending and Stress Concentrations with Solid Elements
60 minutes
Both interactive (IA) and keywords (KW) versionsof the workshop are provided. Complete only one.
L5.2
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Here are the steps to be followed:
Modeling Bending and Stress Concentrations with Solid Elements
1. Bending Problems and Shear Locking
2. Incompatible Mode Elements
3. Summary: Modeling Bending Using
Continuum Elements
4. Stress Concentrations
5. Second-order Accuracy (E)
6. Solid Element Selection Summary
7. Abaqus/Standard vs. Abaqus/Explicit
8. Continuum vs. Structural Elements
(E) Abaqus/Explicit only
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L6.1
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The following topics are covered in this lesson.
Lesson content:
Structural Elements in Abaqus
Lesson 6: Structural Elements in Abaqus
60 minutes
L6.2
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Here are the steps to be followed:
Structural Elements in Abaqus
1. Overview
2. Introduction
3. Structural Elements in Abaqus
4. Classical Formulation of Thin Shells
and Slender Beams (S)
5. Shear Flexible Formulation of Shells
and Beams
6. Thickness Changes
7. Mode-based and Implicit Dynamics (S)
(S) Abaqus/Standard only
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L7.1
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The following topics are covered in this lesson.
Lesson content:
Conventional Shell Elements
Workshop 4: Shell Elements (IA)
Workshop 4: Shell Elements (KW)
Lesson 7: Conventional Shell Elements
2 hours
Both interactive (IA) and keywords (KW) versionsof the workshop are provided. Complete only one.
L7.2
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Here are the steps to be followed:
Conventional Shell Elements
1. Conventional vs. Continuum Shell
Elements
2. Defining Conventional Shells
3. Conventional Shell Element Behavior
4. Conventional shell Element Types
5. Comparison Studies
6. Axisymmetric shell elements
7. Viewing Shell Element Output
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L8.1
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The following topics are covered in this lesson.
Lesson content:
Continuum Shell Elements
Lesson 8: Continuum Shell Elements
60 minutes
L8.2
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Here are the steps to be followed:
Continuum Shell Elements
1. Introduction to Continuum Shell
Elements
2. Defining the Thickness Direction for
Continuum Shell Elements
3. Continuum Shell Modeling
4. Continuum Shell Example
5. Shell Element Selection Summary
6. Abaqus/CAE Demonstration:
Controlling the Mesh Stack Direction
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L9.1
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The following topics are covered in this lesson.
Lesson content:
Beam and Frame Elements
Workshop 5: Beam Elements (IA)
Workshop 5: Beam Elements (KW)
Lesson 9: Beam and Frame Elements
2 hours
Both interactive (IA) and keywords (KW) versionsof the workshop are provided. Complete only one.
L9.2
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Here are the steps to be followed:
Beam and Frame Elements
1. Beam Elements
2. Defining Beam Elements
3. Viewing Beam Element Output
4. Meshed Beam Cross Sections (S)
5. Beam Element Selection Summary
6. Frame Elements (S)
(S) Abaqus/Standard only