[akshay somkuwar]

Thank you very much for the clarification and your remarks.
My understanding was that the linear response should not change between different solvers.
Although the OOFEM website mentions that the beam2d element is based on the Timoshenko hypothesis, disabling the “include shear deformation in element” option essentially converts the formulation to the Euler-Bernoulli hypothesis, similar to how it is implemented in CSI software.

I will try running the model in OpenSees.

[akshay somkuwar]

Thank you very much.

[akshay somkuwar]

Sure,
Please find the attached file.
Following operations are performed
1. For Rigid diaphragm-
1. selection of nodes (node 1 and 2)
2. Assign > Constrains > Preset > Rigid diaphragm > specify master node > apply

2 Rigid link
1. selection of nodes (node 3 and 4)
2. same procedure as above
but the constraint neither shown in constraints list or shown when tried to view.

Additionally I would appreciate if you could also provide guidance on how to set 1st mode as initial condition to account for initial imperfection.

Thank you very much

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[akshay somkuwar]

Hi,

– The issue I am encountering is that whether I select the nodes or draw the link, it is not creating a rigid link between the nodes. However, the rigid diaphragm option seems to be working fine.
– I do understand the constraints applied on the degrees of freedom (DOF). I just wanted to show that while the rigid diaphragm option is working fine, the rigid link option is encountering an issue — or perhaps I am missing something (In some trials it was saying waiting for spring2 element).

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