Modeling Rubber and Viscoelasticity with Abaqus PDF
Preview Modeling Rubber and Viscoelasticity with Abaqus
Modeling Rubber and Viscoelasticity with Abaqus | sem ètsyS tluassaD © | m oc.sd3.w w w | Motivation • Rubber materials are found in many components. • Some of these are illustrated on the following slide. • Rubber applications include tires, gaskets, and bushings, among others. | sem • The vast number of applications that use rubber materials necessitates ètsyS a good understanding of the modeling techniques used to analyze tluassaD rubber components. © | m oc.sd3.w w w | Modeling Rubber and Viscoelasticity with Abaqus Motivation | sem ètsyS tluassaD © | m Tires Medical Devices Seals oc.sd3.w w w keypad spring | Packaging Electronics, consumer products Bushings, mounts, etc. Modeling Rubber and Viscoelasticity with Abaqus Day 1 • Lecture 1 Rubber Physics • Lecture 2 Introduction to Rubber Elasticity Models • Lecture 3 Mechanical Testing • Workshop 1 | semètsyS • Lecture 4 Defining Rubber Elasticity Models in Abaqus tluassaD • Lecture 5 Modeling Issues and Tips © | m • Workshop 2 oc.sd3.w w w | Modeling Rubber and Viscoelasticity with Abaqus Day 2 • Lecture 6 Viscoelastic Material Behavior • Lecture 7 Time-Domain Viscoelasticity • Workshop 3 • Lecture 8 Frequency-Domain Viscoelasticity | semètsyS • Workshop 4 tluassaD • Lecture 9 Permanent Set in Solid Elastomers © | m • Lecture 10 Anisotropic Hyperelasticity oc.sd3.w w w | Modeling Rubber and Viscoelasticity with Abaqus Additional Material • Appendix 1 Finite Deformations • Appendix 2 Rubber Elasticity Models: Mathematical Forms • Appendix 3 Linear Viscoelasticity Theory • Appendix 4 Harmonic Viscoelasticity Theory | semètsyS • Appendix 5 Suggested Reading tluassaD © | m oc.sd3.w w w | Modeling Rubber and Viscoelasticity with Abaqus Legal Notices The Abaqus 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 | sem errors or omissions that may appear in this documentation. ètsyS tluassaD Npeor mpaisrts ioofn t hoifs D daoscsuamueltn Staytsiotènm measy o br eit sre spurbosdiudciaerdy .or distributed in any form without prior written © | m © Dassault Systèmes, 2011. oc.sd3.w Printed in the United States of America w w | Abaqus, 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 Legal Notices in the Abaqus 6.11 Release Notes and the notices at: http://www.simulia.com/products/products_legal.html. Modeling Rubber and Viscoelasticity with Abaqus Revision Status Lecture 1 5/11 Updated for 6.11 Workshop 1 5/11 Updated for 6.11 Lecture 2 5/11 Updated for 6.11 Workshop 2 5/11 Updated for 6.11 Lecture 3 5/11 Updated for 6.11 Workshop 3 5/11 Updated for 6.11 Lecture 4 5/11 Updated for 6.11 Workshop 4 5/11 Updated for 6.11 Lecture 5 5/11 Updated for 6.11 Workshop Answers 1 5/11 Updated for 6.11 | sem Lecture 6 5/11 Updated for 6.11 Workshop Answers 2 5/11 Updated for 6.11 ètsyS Lecture 7 5/11 Updated for 6.11 Workshop Answers 3 5/11 Updated for 6.11 tluassaD Lecture 8 5/11 Updated for 6.11 Workshop Answers 4 5/11 Updated for 6.11 © Lecture 9 5/11 Updated for 6.11 | m oc.sd3.w LAepcpteunred i1x0 1 55//1111 UUppddaatteedd ffoorr 66..1111 w w | Appendix 2 5/11 Updated for 6.11 Appendix 3 5/11 Updated for 6.11 Appendix 4 5/11 Updated for 6.11 Appendix 5 5/11 Updated for 6.11 Modeling Rubber and Viscoelasticity with Abaqus Rubber Physics Lecture 1 | sem ètsyS tluassaD © | m oc.sd3.w w w | L1.2 Overview • Solid Rubber • Rubber Foam • Molecular Structure • Physical Description • Material Processing • Cellular Structure • Glass Transition Temperature • Typical Stress–Strain Response | semètsyS • Nearly Incompressible Behavior • Poisson’s Effect tluassaD • Typical Stress–Strain © | m Response oc.sd3.w • Hysteresis and Damping w w | • Damage • Anisotropy • Thermoplastic Elastomers • Physical Description • Advantages and Disadvantages Modeling Rubber and Viscoelasticity with Abaqus Introduction to Rubber Elasticity Models Lecture 2 | sem ètsyS tluassaD © | m oc.sd3.w w w | L2.2 Overview • Introduction • Models for Solid Rubber Elasticity • Mullins Effect • Model for Foam Rubber Elasticity | sem ètsyS tluassaD © | m oc.sd3.w w w | Modeling Rubber and Viscoelasticity with Abaqus Mechanical Testing Lecture 3 | sem ètsyS tluassaD © | m oc.sd3.w w w | L3.2 Overview • Modes of Deformation • Uniaxial Tension • Planar Tension • Uniaxial Compression | semètsyS • Equibiaxial Tension tluassaD • Confined Compression (for volumetric response) © | m • Loading History oc.sd3.ww • Testing at Temperature w | • Test Specimens • Test Data Guidelines • Testing for Time-Dependent Properties Modeling Rubber and Viscoelasticity with Abaqus Defining Rubber Elasticity Models in Abaqus Lecture 4 | sem ètsyS tluassaD © | m oc.sd3.w w w | L4.2 Overview • Curve-Fitting for Solid Rubber Elasticity • Material Stability • Curve-fitting in Abaqus/CAE • Choosing a Hyperelastic Model | semètsyS • Defining Hyperelastic Models tluassaD • Mullins Effect © | m • Hyperfoam Model oc.sd3.ww • UHYPER w | Modeling Rubber and Viscoelasticity with Abaqus Modeling Issues and Tips Lecture 5 | sem ètsyS tluassaD © | m oc.sd3.w w w | L5.2 Overview • Contact • Output Variables • Element Selection • Using Abaqus/Explicit for Rubber • Overview Analyses • First-Order or Second-Order? • Special Features | sem • Full or Reduced Integration? • Example: Column Shifter Boot ètsyS • Regularor Hybrid? tluassaD • Incompatible Modes • Example: Weather Seal © | m • Modified Elements oc.sd3.w • Complex Geometry w w | • Meshing Considerations • Constraints and Reinforcements • Instability • Material Instability • Structural Instability • Surface Wrinkling and Folding Modeling Rubber and Viscoelasticity with Abaqus Viscoelastic Material Behavior Lecture 6 | sem ètsyS tluassaD © | m oc.sd3.w w w | L6.2 Overview • Introduction • Effects of Viscoelasticity • Creep • Stress Relaxation | semètsyS • Damping and Hysteresis tluassaD • Linear Viscoelasticity © | m • Nonlinear Viscoelasticity oc.sd3.ww • Temperature Dependence w | Modeling Rubber and Viscoelasticity with Abaqus
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