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 Training
Course Descriptions
Testing and Analysis of Elastomers
Combining Test Lab and Computer Lab to Understand Elastomer Material Modeling
Objective:
This hands-on workshop covering material testing, material modeling
and finite element analysis of elastomers. Instructors from SIMULIA and
Axel Products, Inc. present an integrated testing and analysis workshop
featuring the experimental facilities of Axel Products, Inc. and the Abaqus
software. Attendees perform elastomer experiments using laboratory instruments
to create data appropriate for use in building elastomer material models
in FEA. Material models are then developed and examined on workstations
running Abaqus.
Characterizing a particular rubber compound for use with FEA can be
quite challenging because of the complexity of rubber behavior. This course
ties together issues of how to test the material, under what conditions,
what loadings, what preconditioning, and how to use this test data to
derive a reliable, robust FEA material model for the elastomer.
- In the Axel Products Test Lab, students will perform the tests - uniaxial,
biaxial tension, planar tension, stress relaxation
- In the Computer Lab, students will perform computer curve fitting to derive
hyperelastic material models
- Learn how to gather the best test data
- Obtain the best possible material constants from the available test data
- Model viscoelastic behavior - in the time domain and frequency domain.
- Discuss rubber contact issues through case studies
- Open Forum time to investigate additional testing issues
For further information about course content please contact
Prashant Andrade at SIMULIA Great Lakes, or Kurt Miller at Axel Products, .
Who should attend:
This seminar is recommended for engineers involved with the FE analysis
of elastomers, or with testing of elastomers for material model characterization.
Agenda:
Day 1 |
- Overview of Rubber Behavior and Rubber Material Models
- Achieving Correlation in Product Testing / Simulation
- Introduction to Test Lab Procedures and Safety
- Uniaxial Tension Testing and Curve Fitting
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Day 2 |
- Equi-biaxial Testing and Curve Fitting
- Combined Mode Fitting
- The Problems with Simple Compression Testing
- Volumetric Compression Testing
- Plane Strain Testing and Curve Fitting
- Testing for Friction
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Day 3 |
- Viscoelastic Material Behavior
- Strain-Rate Sensitivity
- Time Domain Viscoelasticity
- Stress Relaxation Testing
- Fitting the Time Domain Visco Material Model
- Frequency Domain Viscoelasticity
- Time-temperature Inter-relationship
- Contact Case Studies
- Testing Open Forum
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| Testing homogeneous states of stress/strain such as the
equi-biaxial test shown (left), and understanding the relationships between
the primary modes of deformation (right). |
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Lecture was last updated September 2010
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