STIFFNESS MATRIX

Amith Anoop Kumar

Why is the stiffness matrix always said to be symmetric?

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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.

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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.

Amith Anoop Kumar

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

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