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COM004 – COMSOL:

Temperature-dependent hyperelastic model


Description

This Test Program is recommended for modeling the temperature effects of rubbers and other polymers to large strains.

COMSOL Material

Hyperelastic

Test Program

We recommend the following base tests:

Test ID Description # Temps # Repeats # Specimens

UT001 - CT/HT

Tensile test

3

2

6


Depending on the complexity of loading or deformation, we may recommend the following additional tests:

Test ID Description # Temps # Repeats # Specimens

PT001 - CT/HT

Planar tension test

3

2

6

UC001 - CT/HT

Compression test

3

2

6

VC001 - CT/HT

Volumetric compression test

3

2

6

 

Notes

  • Suggested testing at 3 temperatures may be revised depending on the range of temperatures of interest and the material.

  • UC001 may provide non-homogeneous stress/strain data. Inverse calibration procedures may be necessary.

  • VC001 is not needed for an incompressible material.

  • Veryst will provide a calibrated material model for the observed response and the material.

  • The resulting set of parameters can be used directly in COMSOL Multiphysics.


Specimen Requirements for Complete Test Program
 

  • 10 tensile (dog-bone) specimens

  • 10 planar tension specimens

  • 10 compression cylinder specimens

  • 10 volumetric compression specimens

See description of individual tests for details on specimen geometries. Note that we request extra specimens to ensure a sufficient supply of specimens for valid testing.

Veryst can also assist in molding standard and non-standard test specimens.  Please contact us if you are interested in discussing this option.

Additional Validation

Veryst can perform additional validation, depending on the target material and the simulation application, through any of the following tests and component level FE simulation:

  • Impact testing

  • Micro-to-macro indentation responses


More information

For a customized quotation, please click the button below and indicate the Test Program ID COM004, type of material, test temperatures and any other details (specimen geometries available, other unique constraints, etc.)

 

 


 

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