Document: NUREG-0800
Document ID: 0dfe6087-fd20-4655-aad2-284ea99aa90b
Document Type: srp
Title: -
Source: NUREG-0800
Source URL: https://www.nrc.gov/docs/ML1235/ML12353A354.pdf
Revision Date: 2023-06
Chapter: 3
Section ID: 3.7.2
CFR Part: 
CFR Title: 

Content:
osite damping matrix are commonly used. They are based on the use of the mass or stiffness as a weighting function in generating the composite modal damping. The formulations lead to: { } [ ]{ } ϕ ϕ β M T j = (1) { } [ ]{ } * K K T j ϕ ϕ β = (2) where K* = {φ}T [K] {φ},