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How to simulate relaxation behaviour of composite?

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Old   March 13, 2023, 03:11
Default How to simulate relaxation behaviour of composite?
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Hi everyone, I want to simulate the relaxation behaviour of the fiberglass reinforced epoxy resin. The process will be:
Applied tension load with a fixed load rate (2 mm/minute) until the load reaches a value (for example until it reaches 4000 Newton).
Then I will have to examine the varying of stress versus time.
My problem now is the stress-time curve I have from Abaqus is really high in comparison to the experiment stress-time curve. Please help me, thank you!
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composites, relaxation model

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