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Why is the stiffness matrix always said to be symmetric?
Hi
This is only for linear elastic situations due to Maxwells Reciprocal theorem, A symmetric stiffness matrix shows the force is directly proportional to displacement.
Have a look at https://altairuniversity.com/free-ebooks/free-ebook-practical-aspects-of-finite-element-simulation-a-study-guide/ and other basic FEA ebooks.
Hi This is only for linear elastic situations due to Maxwells Reciprocal theorem, A symmetric stiffness matrix shows the force is directly proportional to displacement. Have a look at https://altairuniversity.com/free-ebooks/free-ebook-practical-aspects-of-finite-element-simulation-a-study-guide/ and other basic FEA ebooks.
Thanks Sir
