I got stiffness matrix by using HBMAT, and convert it to sparse matrix.
But I don't know the order of DOFs. Cause the equation K*D=F cannot be satisfied.
K is stiffness matrix, D is nodes' deformation, F is load vector.
I need to know the order of DOFs, anyone can give me some suggestions?
Thanks a lot.
Hey Xi Xiaolin,
Did you ever get to find out how to solve this problem?
Thank you very much.
When you use HBMAT command, please add two YES at the end of the command, such as,
HBMAT, STIFF_HB,TXT,,ASCII,STIFF,YES,YES
you will get a .mapping file, this is the order of the DOF.
The first YES is for the stiffness, the second YES is for the order.
If you want to know the element stiffness matrix order, you can use *Get command to get the nodes of the element.
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