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Building a model with read node and element commands

Building a model with read node and element commands

Building a model with read node and element commands

(OP)
Hi all,

I guess to have a problem with the connections among elemets.
I have two text files: one with node coordinates and second one with elements through these nodes. Basically I have used the read node file and read element file commands to build my model.
If now I apply loads and DOF the model does not work and I receive a message of large negaive pivot. I guess that the elements are like disconnected each others, and loads and DOF are not transfered amonf elements.

Can anyone help me?  

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