... 42 6matrix, 42 8over/underdamped, 42 6, 42 7physical forms, 42 4ratio, 42 6Rayleigh, 43 0, 43 2software packages, 43 2structural, 42 8Damping matrix, 42 8Damping ratio, 42 6Dashpot, 42 5Deflected beam element, ... 389Coefficient matrix, 45 2Cofactor matrix, 45 2Cofactors, 45 1Column matrix, 44 7Column vector, 44 7Commutative, 44 9Compatibility, 165Compatibility conditions, 24 Complete polynomial, 1 74 Complete structure, ... response, 43 4Conditionally stable, 43 4Conductance matrix, 240 – 242 Conformable for multiplication, 44 9Conservative force, 45 Consistent capacitance matrix, 278Consistent mass matrix, 40 4, 41 4Constant...