Prestress script to increment applied prestress

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PreciseLogic
Posts: 6
Joined: Mon Jul 29, 2024 4:51 pm

Prestress script to increment applied prestress

Post by PreciseLogic » Tue Jul 01, 2025 3:04 pm

Dear STKO

I have been trying to follow Dr. Massimo's YouTube "New Element- Embedding Rebars into Solid Domains", at about the 44 min mark. I have also searched this forum for more help.

I am creating a prestressed beam, following exactly Dr. Massimo's procedure. The issue is I keep getting an error "WARNING: InitStressMaterial - could not find initStrain to within tol for material: 5 wanted sigInit: 0 using tStress: 0"

Is there an example file from that video that I can download, to see where my issue is?

Also, does this scripting procedure work if I am using OpenSeesMp?

Thank you so much.

PreciseLogic

STKO Team
Posts: 3066
Joined: Tue Oct 29, 2019 8:45 am

Re: Prestress script to increment applied prestress

Post by STKO Team » Thu Jul 03, 2025 9:56 am

"WARNING: InitStressMaterial - could not find initStrain to within tol for material: 5 wanted sigInit: 0 using tStress: 0
this is just a warning due to internal very strict tolerances they use in InitStressMaterial.
For more info you should share your model

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