Retour aux formules
295x
001376
29.12.2023

Amortissement de Rayleigh pour la relaxation dynamique

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
;