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Calibration of Three Network Viscoplastic model

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Posts: 3
Topic starter
New Member
Joined: 7 years ago

Hi Dr Jorgen,

I am trying to calibrate the Three Network Viscoplastic (TNV) model for an anisotropic thermoplastic composite material system.

I am using the following models for individual networks:

Network A and Network B - Yeoh hyperelasticity with power law flow

Network C - HGOB hyperelasticity 

Besides the default upper and lower bounds are there any other constraints that I should put on material parameters while calibrating the model? For example in Three Network Model flow resistance of Network A < that of Network B.

I am trying to understand if these networks are interdependent.

Also, can I use any combination of available models?


2 Replies
Posts: 3998
Joined: 5 years ago

Hello, No there are no other constraints that you need to apply. The two networks in this case are independent.

And yes, you can use any combination of available models.


Posts: 3
Topic starter
New Member
Joined: 7 years ago

Thank you for the quick response.