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742x
001042
2023-09-12

Mass Matrix, Damping Matrix, and Stiffness Matrix

Mass Matrix, Damping Matrix, and Stiffness Matrix

Md2udt2+Cdudt+K(u)u=f

M

Concentrated (diagonal) mass matrix

C

Diagonal damping matrix C = αM + βdiag[K11(u),K22(u),...,Knn(u)]

K

Stiffness matrix

f

Vector of external forces

u

Discretized displacement vector
;