How to determine law's parameters in Abaqus ?

Jeje17 · November 21, 2019, 09:52

Hello,

I am working on a project concerning elastomer and his hysteretic behaviour. I have done some tests in order to determine the material parameters based on experiments. Now i would like to know how based on my graphes, i can find in Abaqus the more accurate law to describe the behavior of the material ? I mean how to implement my experimental graphes in Abaqus to find the law which describes the best that behavior.

I spent a lot of time searching some thesis and doing some tutorials but to be honest, I haven't found yet something that can be really useful to resolve my problem.
If you want any further informations just feel free in case it might not be clear to everyone. I am looking for advices too.

Thanks in advance for your answers.

King regards,
Jeje

karachun · November 22, 2019, 04:41

https://www.youtube.com/watch?v=lEh3VTnDmnk
This process is called "Curve Fitting".

Jeje17 · November 23, 2019, 06:05

Hi,
Thanks @karachun for the quick response, that's what i am looking for (''Curve Fitting'').
I am wondering is it just by creep tests than one can determine the hysteresis parameters ?
Jeje

November 21, 2019, 09:52	How to determine law's parameters in Abaqus ?	#1
Jeje17 New Member Jeremie Join Date: Nov 2019 Posts: 2 Rep Power: 0	Hello, I am working on a project concerning elastomer and his hysteretic behaviour. I have done some tests in order to determine the material parameters based on experiments. Now i would like to know how based on my graphes, i can find in Abaqus the more accurate law to describe the behavior of the material ? I mean how to implement my experimental graphes in Abaqus to find the law which describes the best that behavior. I spent a lot of time searching some thesis and doing some tutorials but to be honest, I haven't found yet something that can be really useful to resolve my problem. If you want any further informations just feel free in case it might not be clear to everyone. I am looking for advices too. Thanks in advance for your answers. King regards, Jeje

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November 22, 2019, 04:41		#2
karachun Senior Member Alexander Karachun Join Date: Nov 2015 Location: Mykolaiv, Ukraine Posts: 237 Rep Power: 10	https://www.youtube.com/watch?v=lEh3VTnDmnk This process is called "Curve Fitting".

November 23, 2019, 06:05		#3
Jeje17 New Member Jeremie Join Date: Nov 2019 Posts: 2 Rep Power: 0	Hi, Thanks @karachun for the quick response, that's what i am looking for (''Curve Fitting''). I am wondering is it just by creep tests than one can determine the hysteresis parameters ? Jeje