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I use layered shell element to establish a model,but I find I can't use openseesmp to calculate.Could you tell me whether this element can use openseesmp to calculate?

I don't know why I can't get the right stiffness matrix result.

Could you tell me how to add pure bending moment to the structure

Could you tell me why my pushover analysis is wrong?

Thanks！But I don't know how to write in custom command in STKO to get nodeeigenvector.Could you show it for me?

I use layershell element to build a shear wall structure,then I do modal analysis.I want to know how to get eigenvector values.

I only build point and use node to node interaction,now it can analysis but it's also wrong.

I use two node link element to establish a MDOF model,but it can't analysis.

Hi, You should use rigidDiaphragm instead of rigidLink beam. rigidLink creates single MP constraint between one master and one slave node, however, rigidDiaphragm creates MP constraints accounting all the nodes in the interaction, resulting in rigid plate like behaviour for the floor.
Can you ...

Hi, You should use rigidDiaphragm instead of rigidLink beam. rigidLink creates single MP constraint between one master and one slave node, however, rigidDiaphragm creates MP constraints accounting all the nodes in the interaction, resulting in rigid plate like behaviour for the floor.
Do I still ...