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# ABAQUS - Define boundary condition in shell element local coordinate system

## ABAQUS - Define boundary condition in shell element local coordinate system

(OP)
Hello,

I would like to assign a boundary condition where the shell elements do not bend even though there is a bending force applied. For example, a straight panel remains straight under an arbitrary load, but it may stretch or rotate. Is it possible to do so?

Thank you!
Replies continue below

### RE: ABAQUS - Define boundary condition in shell element local coordinate system

Use orthotropic material and define huge stiffness in that direction.

### RE: ABAQUS - Define boundary condition in shell element local coordinate system

yes, there's a shell property where you define the plate bending stiffness as a multiple of t^3/12 so 100x, 1000x ??
but be careful, test it out. This is a long way from how they proved the element and could have unintended consequences.

"Hoffen wir mal, dass alles gut geht !"
General Paulus, Nov 1942, outside Stalingrad after the launch of Operation Uranus.

### RE: ABAQUS - Define boundary condition in shell element local coordinate system

(OP)
Thank you both for the help!

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