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Coupled and Uncoupled Stiffness
- Thread starter TLycan
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Uncoupled means a force in x causes a displacement in x, but no displacement in the other 5 DOFs. Coupled stiff means a force in x can cause displacements in x and in any or all of the remaining 5 DOFs. Uncoupled stiffness has a nonzero diagonal and the off-diagonal terms are zero. Coupled stiffness, the off-diagonal terms may be nonzero.
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