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Stress History Access VUMAT  


diaocsaigon
Posts: 2
(@diaocsaigon)
New Member
Joined: 4 years ago

Hi everyone,

I want to access all stresses from the first increment till the current one. The calculated stresses are changes at each increment using the previous stress history (viscoelastic model using fractional derivatives theory).

I decided to use the common command (search on net) but since the numbers of increments are too much, I would encounter memory problems. Furthermore, printing all of the stresses in a txt file and read it at each increment is also too slow.

how should I access the stresses (and strains)) of all increments and all tensor directions with VUMAT?

Any hints and suggestions are appreciated.

Thanks in advance

1 Reply
Jorgen
Posts: 3874
Moderator
(@jorgen)
Member
Joined: 11 months ago

I can only think of the two approaches that you mentioned.
Why do you need the stress history?

-Jorgen

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