wavgmotionmodule Module Reference

Module with subroutine for setting up linear multi-point constraints. More...

Functions/Subroutines
subroutine, public	wavgmconstreqn (iel, lDof, nM, indC, txc, tyc, tzc, mnpc, epsX, tolX, dX, work, weight, omega, ipsw, lpu)
	Computes constraint equation coefficients for a WAVGM element. More...

Detailed Description

Module with subroutine for setting up linear multi-point constraints.

This module contains a subroutine for processing the Weighted Average Motion (WAVGM) elements (also known as RBE3 elements in Nastran).

Function/Subroutine Documentation

wavgmconstreqn()

subroutine, public wavgmotionmodule::wavgmconstreqn	(	integer, intent(in)	iel,
		integer, intent(in)	lDof,
		integer, intent(in)	nM,
		integer, dimension(:), intent(in)	indC,
		real(dp), dimension(:), intent(in)	txc,
		real(dp), dimension(:), intent(in)	tyc,
		real(dp), dimension(:), intent(in)	tzc,
		integer, dimension(:), intent(in)	mnpc,
		real(dp), intent(in)	epsX,
		real(dp), dimension(3), intent(inout)	tolX,
		real(dp), dimension(:,:), intent(inout)	dX,
		real(dp), dimension(:), intent(inout)	work,
		real(dp), dimension(:), intent(in)	weight,
		real(dp), dimension(:), intent(out)	omega,
		integer, intent(in)	ipsw,
		integer, intent(in)	lpu
	)

Computes constraint equation coefficients for a WAVGM element.

Parameters

[in]	iel	Element index
[in]	lDof	Local index of dependent DOF to compute coefficients for
[in]	nM	Number of independent nodes in current element
[in]	indC	Nodal component indices (common for all nodes)
[in]	txc	Table of x-coordinates for the nodal points
[in]	tyc	Table of Y-coordinates for the nodal points
[in]	tzc	Table of Z-coordinates for the nodal points
[in]	mnpc	Matrix of nodal point correspondances for current element
[in]	epsX	Relative geometric tolerance for WAVGM elements
	tolX	Absolute geometric tolerance for each coordinate direction
	dX	Element nodal coordinates relative to the centre of gravity
	work	Work array
[in]	weight	Independent DOF weights for current element
[out]	omega	Resulting constraint equation coefficients
[in]	ipsw	Print switch
[in]	lpu	File unit number for res-file output

The coefficients that couples a dependent DOF at the reference node of a Weighted AVerage Motion element to the independent nodal DOFs of the same element are computed.

Author

Knut Morten Okstad

Date

24 Sep 2002

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