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HELLO,
I'm a student in mechanical engineering, and I'm trying to do a static condensation. Could you help me please to understand the difference between static and dynamic condensation, and how doing it in Patran / Nastran?
Thank you.
HELLO, I'm a student in mechanical engineering, and I'm trying to do a static condensation. Could you help me please to understand the difference between static and dynamic condensation, and how doing it in Patran / Nastran? Thank you.
Hi FIRAS,
Under the framework of the FEM, the idea is to solve the following system : K*u = F
In general, the computational cost is correlated to the square of the DOFs (the size of the stiffness matrix K). In order to enhance the computational cost, we proceed by the reduction or the use of super FE.
In optistruct, there is 3 implementations that you can find in the documentation. I will share with you am extract that explains the methods available in OptiStruct :
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