Author Topic: How to apply Orthotropic St. Venant-Kirchho material model in Feap  (Read 7743 times)

Tao Jin

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Hi All,

According to FEAP manual, St.Venant-Kirchho model (STVK) can be used as an orthotropic constitutive law.

But I tried lots of times, feeling that it can only work as an isotropic one. Also according to the FEAP manual, the input is suggested as below:
MATErial 1
SOLId
ELAStic STVE(or STVK) E nu
Finite

My question is,  how should the input file be set up to make this model working as an orthotropic one, with different properties in different direction?

Thanks

FEAP_Admin

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Re: How to apply Orthotropic St. Venant-Kirchho material model in Feap
« Reply #1 on: October 31, 2012, 12:04:04 AM »
Does the following work?

MATErial
  SOLId
  FINIte
  ELAStic ORTHotropic E-1 E-2 E-3 nu-12 nu-23 nu-31 G-12 G-23 G-31

« Last Edit: October 31, 2012, 12:42:19 AM by FEAP_Admin »

Tao Jin

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  • Posts: 47
Re: How to apply Orthotropic St. Venant-Kirchho material model in Feap
« Reply #2 on: October 31, 2012, 09:03:31 AM »
Does the following work?

MATErial
  SOLId
  FINIte
  ELAStic ORTHotropic E-1 E-2 E-3 nu-12 nu-23 nu-31 G-12 G-23 G-31

Thank you. That works!