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Tensile Test - Force Strain Rubber

Question asked by Michael Kuhn on May 17, 2018
Latest reply on Jun 26, 2018 by Michael Kuhn

Hello fellow Simulators,

 

im trying to verify a tensile test of a rubber like material.

The material can handle strains up to 300% (last datapoint of the diagram).

I am running a 2-Dimensinal non linear simulation.


The Non-linear tensile test data (material data) looks like the following:

Material DataGeometry

I´m using the Nonlinear-Elastic Material model.

Strains up to 243%

Evaluation of the required Force:

 

 

 

 

 

As shown in the force/time diagram the required force converges at a value of approx. 10 N.
But looking at the material data the force should not converge - shouldn´t it slightly rise with higher strains? (taking into account that the area decreases)

 

cheers,

Michael

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