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2023-12-29

Rayleigh Damping for Dynamic Relaxation

Rayleigh Damping for Dynamic Relaxation

Md2udt2+Cdudt+K(u)u=f
C=αM+βK11(u)0…0K22(u)…⋮⋮⋱
M,C ∈ ℕ×ℕ
u,f ∈ ℕ×1

M

Concentrated (diagonal) mass matrix

C

Diagonal damping matrix

K

Stiffness matrix

f

Vector of external forces

u

Discretized displacement vector
;