Description

Class for setting the damping via N damping factors z_i of the internal mode coordinates and alpha-beta Rayleigh damping for the boundary nodes, assuming R^ = [Rbb Rbm ] [Rmb Rmm ] with Rmm=diag { 2 z_1 w_1, 2 z_2 w_2, ..., 2 z_i w_i }, Rbb= alpha*Mbb + beta*Kbb, Rbm = 0, Rmb = 0.

#include <ChModalDamping.h>

Inheritance diagram for chrono::modal::ChModalDampingFactorRayleigh:

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Collaboration diagram for chrono::modal::ChModalDampingFactorRayleigh:

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Public Member Functions
	ChModalDampingFactorRayleigh (const ChVectorDynamic<> &factors, double malpha, double mbeta)
	Construct from the z_i in coefficients in Rmm=diag { 2 z_1 w_1, 2 z_2 w_2, ..., 2 z_i w_i } for modes, and from alpha-beta Rayleight coefficients for boundary nodes.

virtual void	ComputeR (ChModalAssembly &assembly, const ChMatrixDynamic<> &modal_M, const ChMatrixDynamic<> &modal_K, const ChMatrixDynamic<> &Psi, ChMatrixDynamic<> &modal_R) const

Public Member Functions inherited from chrono::modal::ChModalDampingFactorRmm
	ChModalDampingFactorRmm (const ChVectorDynamic<> &factors)
	Construct from the z_i in coefficients in Rmm=diag { 2 z_1 w_1, 2 z_2 w_2, ..., 2 z_i w_i }.

Public Attributes
double	alpha

double	beta

Public Attributes inherited from chrono::modal::ChModalDampingFactorRmm
ChVectorDynamic	damping_factors

The documentation for this class was generated from the following files:

/builds/uwsbel/chrono/src/chrono_modal/ChModalDamping.h
/builds/uwsbel/chrono/src/chrono_modal/ChModalDamping.cpp

Description

Public Member Functions

Public Attributes