barelq3d Class Reference

#include <barelq3d.h>

Public Member Functions
void	allip_strains (long lcid, long eid, long ri, long ci)
void	allip_stresses (long lcid, long eid, long ri, long ci)
double	approx (double xi, vector &nodval)
	barelq3d (void)
void	compute_eigstress (long lcid, long eid, long ri, long ci)
void	compute_nlstress (long lcid, long eid, long ri, long ci)
void	compute_nlstressincr (long lcid, long eid, long ri, long ci)
void	compute_nonloc_nlstress (long lcid, long eid, long ri, long ci)
void	dirvect (vector &s, vector &x, vector &y, vector &z)
void	eigstrain_forces (long lcid, long eid, long ri, long ci, vector &nfor, vector &x, vector &s)
void	elem_integration (integratedquant iq, long lcid, long eid, long ri, long ci, vector &nv, vector &x, vector &s)
void	geom_matrix (matrix &gm, vector &x, vector &s, double xi, double &jac)
void	give_glob_loc_tmat (vector &x, vector &y, matrix &tmat)
void	give_loc_glob_tmat (vector &x, vector &y, matrix &tmat)
void	giveloccoord (vector &x, vector &y, vector &z, vector &lx)
void	incr_internal_forces (long lcid, long eid, long ri, long ci, vector &ifor, vector &x, vector &s)
void	inicipval (long eid, long ri, long ci, matrix &nodval, inictype *ictn)
void	internal_forces (long lcid, long eid, long ri, long ci, vector &ifor, vector &x, vector &s)
void	intpointval (long eid, vector &nodval, vector &ipval)
void	intpointval2 (long eid, vector &nodval, vector &ipval)
void	ipcoord (long eid, long ipp, long ri, long ci, vector &coord)
void	load_matrix (long eid, matrix &lm)
void	local_values (long lcid, long eid, long ri, long ci)
void	mainip_strains (long lcid, long eid, long ri, long ci, vector &lx, vector &s, vector &r)
void	mainip_stresses (long lcid, long eid, long ri, long ci)
void	mass_matrix (long eid, matrix &mm)
void	nod_eqother_ip (long lcid, long eid, long ri, long ci)
void	nod_strains_comp (long lcid, long eid, double **stra)
void	nod_strains_ip (long lcid, long eid, long ri, long ci)
void	nod_stresses_comp (long lcid, long eid, long ri, long ci, double stra, double stre)
void	nod_stresses_ip (long lcid, long eid, long ri, long ci)
void	nodecoord (vector &xi)
void	nodipnum (long eid, long ri, long ci, ivector &ipnum)
void	nonloc_internal_forces (long lcid, long eid, long ri, long ci, vector &ifor, vector &x, vector &s)
void	res_allip_strains (long lcid, long eid)
void	res_allip_stresses (long lcid, long eid)
void	res_eigstrain_forces (long lcid, long eid, vector &nfor)
void	res_incr_internal_forces (long lcid, long eid, vector &ifor)
void	res_internal_forces (long lcid, long eid, vector &ifor)
void	res_mainip_strains (long lcid, long eid)
void	res_mainip_stresses (long lcid, long eid)
void	res_mass_matrix (long eid, matrix &sm)
void	res_nonloc_internal_forces (long lcid, long eid, vector &ifor)
void	res_stiffness_matrix (long eid, matrix &sm)
void	stiffness_matrix (long eid, long ri, long ci, matrix &sm, vector &lx, vector &s)
void	strains (long lcid, long eid, long ri, long ci)
void	stresses (long lcid, long eid, long ri, long ci)
void	temperaturestrains (long lcid, long eid, long ri, long ci)
void	tempstrains (long lcid, long eid, long ipp, double xi, vector &eps)
void	transf_matrix (ivector &nodes, matrix &tmat)
	~barelq3d (void)
Public Attributes
long *	cncomp
	array containing cumulative numbers of components of stress and strain tensors
long	intordmm
	order of integration of mass matrix
long **	intordsm
	order of integration of stiffness matrix
long	napfun
	number of approximated functions on the element
long	nb
	number of blocks
long *	ncomp
	array containing numbers of components of stress and strain tensors
long	ndofe
	number of DOFs on the element
long **	nip
	array of numbers of integration points in blocks
long	nne
	number of nodes on one element
strastrestate	ssst
	stress/strain state
long	tncomp
	total number of components of the strain and stress tensors
long	tnip
double	zero
	computer zero

Detailed Description

class barelq3d defines onedimensional bar element with quadratic approximation functions

JK, 28.9.2005

Definition at line 16 of file barelq3d.h.

Constructor & Destructor Documentation

barelq3d ( void )

Definition at line 14 of file barelq3d.cpp.

References bar, cncomp, intordsm, Mp, napfun, nb, ncomp, ndofe, nip, nne, ssst, tncomp, tnip, probdesc::zero, and zero.

~barelq3d ( void )

Definition at line 46 of file barelq3d.cpp.

References cncomp, intordsm, nb, ncomp, and nip.

Member Function Documentation

void allip_strains	(	long	lcid,
		long	eid,
		long	ri,
		long	ci
	)

function assembles all values at all integration points

Parameters:

	lcid	- load case id
	eid	- element id
	ri,ci	- row and column indices

JK, 29.9.2005

Definition at line 630 of file barelq3d.cpp.

References res_mainip_strains().

Referenced by res_allip_strains(), and strains().

void allip_stresses	(	long	lcid,
		long	eid,
		long	ri,
		long	ci
	)

Function computes all stress components at all integration points.

Parameters:

	lcid	- load case id
	eid	- element id
	ri,ci	- row and column indices

JK

Definition at line 914 of file barelq3d.cpp.

References res_mainip_stresses().

Referenced by res_allip_stresses(), and stresses().

double approx	(	double	xi,
		vector &	nodval
	)

Function approximates function defined by nodal values.

Parameters:

	xi,eta	- coordinates on element
	nodval	- nodal values

Return values:

Function

returns approximated value for the given natural coordinate xi.

JK, 28.9.2005

Definition at line 104 of file barelq3d.cpp.

References vector::a, bf_quad_1d(), f, nne, and scprd().

Referenced by inicipval(), intpointval(), and ipcoord().

void compute_eigstress	(	long	lcid,
		long	eid,
		long	ri,
		long	ci
	)

Function computes nonlocal correct stresses at integration points on element.

Parameters:

	lcid	- number of load case
	eid	- element id
	ri,ci	- row and column indices

TKo 7.2008

Definition at line 1521 of file barelq3d.cpp.

References mechtop::elements, mechmat::giveeigstrain(), intordsm, element::ipp, mechmat::matstiff(), Mm, Mt, mxv(), mechmat::storeeigstress(), and tncomp.

Referenced by eigstrain_forces().

void compute_nlstress	(	long	lcid,
		long	eid,
		long	ri,
		long	ci
	)

Function computes correct stresses at integration points on element.

Parameters:

	lcid	- number of load case
	eid	- element id
	ri,ci	- row and column indices

TKo, 7.2008

Definition at line 1408 of file barelq3d.cpp.

References mechmat::computenlstresses(), mechtop::elements, intordsm, element::ipp, Mm, Mp, Mt, nb, and probdesc::strcomp.

Referenced by elem_nlstresses(), and internal_forces().

void compute_nlstressincr	(	long	lcid,
		long	eid,
		long	ri,
		long	ci
	)

Function computes correct stresses at integration points on element.

Parameters:

	lcid	- number of load case
	eid	- element id
	ri,ci	- row and column indices

TKo 7.2008

Definition at line 1436 of file barelq3d.cpp.

References mechmat::computenlstressesincr(), mechtop::elements, intordsm, element::ipp, Mm, Mp, Mt, nb, and probdesc::strcomp.

Referenced by incr_internal_forces().

void compute_nonloc_nlstress	(	long	lcid,
		long	eid,
		long	ri,
		long	ci
	)

Function computes nonlocal correct stresses at integration points on element.

Parameters:

	lcid	- number of load case
	eid	- element id
	ri,ci	- row and column indices

JK, 7.2008

Definition at line 1493 of file barelq3d.cpp.

References mechmat::compnonloc_nlstresses(), mechtop::elements, intordsm, element::ipp, Mm, Mp, Mt, nb, and probdesc::strcomp.

Referenced by nonloc_internal_forces().

void dirvect	(	vector &	s,
		vector &	x,
		vector &	y,
		vector &	z
	)

Function computes direction vector.

Parameters:

	s	- direction vector
	x,y,z	- vectors of nodal coordinates

Return values:

Function

returns direction vector s.

JK, 28.9.2005

Definition at line 74 of file barelq3d.cpp.

References print_err(), and zero.

Referenced by nod_strains_comp(), res_eigstrain_forces(), res_incr_internal_forces(), res_internal_forces(), res_mainip_strains(), res_nonloc_internal_forces(), and res_stiffness_matrix().

void eigstrain_forces	(	long	lcid,
		long	eid,
		long	ri,
		long	ci,
		vector &	nfor,
		vector &	x,
		vector &	s
	)

Function computes nodal forces caused by temperature changes.

Parameters:

	eid	- element id
	ri,ci	- row and column indices
	nfor	- array containing nodal forces
	x	- x-coordinates in local system
	s	- direction vector

Return values:

Function

returns nodal values of forces caused by eigenstrains in vector nfor.

TKo 7.2008

Definition at line 1158 of file barelq3d.cpp.

References compute_eigstress(), probdesc::eigstrcomp, eigstress, elem_integration(), and Mp.

Referenced by res_eigstrain_forces().

void elem_integration	(	integratedquant	iq,
		long	lcid,
		long	eid,
		long	ri,
		long	ci,
		vector &	nv,
		vector &	x,
		vector &	s
	)

Function integrates selected quantity over the finite element

Parameters:

	iq	- type of integrated quantity (see alias.h)
	lcid	- number of load case
	eid	- element id
	ri,ci	- row and column indices
	nv	- nodal values
	x	- local x coordinate
	s	- directional vector

Return values:

Function

returns integrated values at nodes in vector nv.

TKo, 7.2008

Definition at line 1353 of file barelq3d.cpp.

References vector::a, addv(), allocm(), allocv(), cmulv(), cncomp, destrm(), destrv(), mechtop::elements, fillv(), gauss_points(), geom_matrix(), mechcrsec::give_area(), mechmat::givequantity(), intordsm, element::ipp, Mc, Mm, Mt, mtxv(), nb, ncomp, and ndofe.

Referenced by eigstrain_forces(), incr_internal_forces(), internal_forces(), and nonloc_internal_forces().

void geom_matrix	(	matrix &	gm,
		vector &	x,
		vector &	s,
		double	xi,
		double &	jac
	)

Function returns strain-displacement (geometric) matrix.

Parameters:

	gm	- strain-displacement (geometric) matrix
	x	- direction vector
	s	- direction vector
	xi	- natural coordinate
	jac	- Jacobian

Return values:

Function

returns Jacobian in parameter jac and geometric matrix in parameter gm.

JK, 28.9.2005

Definition at line 132 of file barelq3d.cpp.

References vector::a, derivatives_1d(), dx_bf_quad_1d(), fillm(), and nne.

Referenced by elem_integration(), mainip_strains(), nod_strains_comp(), and stiffness_matrix().

void give_glob_loc_tmat	(	vector &	x,
		vector &	y,
		matrix &	tmat
	)

Function assembles transformation matrix T between coordinate system defined on element and global coordinate system.

x_local = T x_global

Parameters:

	x	- vector of nodal x-coordinates in the global coordinate system
	y	- vector of nodal y-coordinates in the global coordinate system
	tran	- tranformation matrix T

Return values:

Function

returns transformation matrix in parameter tmat.

JK

Definition at line 192 of file barelq3d.cpp.

References fillm(), and sqr.

void give_loc_glob_tmat	(	vector &	x,
		vector &	y,
		matrix &	tmat
	)

Function assembles transformation matrix T between coordinate system defined on element and global coordinate system.

T x_local = x_global

Parameters:

	x	- vector of nodal x-coordinates in the global coordinate system
	y	- vector of nodal y-coordinates in the global coordinate system
	tran	- tranformation matrix T

Return values:

Function

returns transformation matrix in parameter tmat.

JK

Definition at line 222 of file barelq3d.cpp.

References fillm(), and sqr.

void giveloccoord	(	vector &	x,
		vector &	y,
		vector &	z,
		vector &	lx
	)

Function computes local coordinates. Coordinates of nodes after transformation of the bar to the x axis.

Parameters:

	x,y,z	- vectors of nodal coordinates
	lx	- vector of the x coordinates after transformation

Return values:

Function

returns vector of nodal coordinates at parameter lx.

JK, 28.9.2005

Definition at line 165 of file barelq3d.cpp.

Referenced by nod_strains_comp(), res_eigstrain_forces(), res_incr_internal_forces(), res_internal_forces(), res_mainip_strains(), res_mass_matrix(), res_nonloc_internal_forces(), and res_stiffness_matrix().

void incr_internal_forces	(	long	lcid,
		long	eid,
		long	ri,
		long	ci,
		vector &	ifor,
		vector &	x,
		vector &	s
	)

Function computes increment of internal forces.

Parameters:

	lcid	- load case id
	eid	- element id
	ri,ci	- row and column indices
	ifor	- vector of internal forces
	x	- x-coordinates in local system
	s	- direction vector

Return values:

Function

returns nodal values of increments of internal forces in vector ifor.

TKo 7.2008

Definition at line 1131 of file barelq3d.cpp.

References compute_nlstressincr(), elem_integration(), and stressincr.

Referenced by res_incr_internal_forces().

void inicipval	(	long	eid,
		long	ri,
		long	ci,
		matrix &	nodval,
		inictype *	ictn
	)

The function computes initial values of the given quantities at each integration point of the element from the nodal values given by the parameter nodval. Initial condition types must be the same for all nodes of the element.

Parameters:

	eid	- element id
	ri	- block row index
	ci	- block column index
	nodval	- nodal values of particular initial conditions. nodval[i][j] represents value of j-th initial condition at i-th node of the given element.
	ictn	- array of types of initial condition for each node of element. The type of initial condition determines which values are being specified in the node. (ictn[i] & inistrain) returns nonzero if nodal values of initial strains are specified (ictn[i] & inistress) returns nonzero if nodal values of initial stresses are specified (ictn[i] & iniother) returns nonzero if nodal values of initial values of eqother array are specified (ictn[i] & inicond) returns nonzero if nodal values of other initial conditions are specified

The function does not return anything.

Created by Tomas Koudelka 2004 Revised by Tomas Koudelka 03.2012

Definition at line 1602 of file barelq3d.cpp.

References vector::a, allocv(), approx(), destrv(), mechtop::elements, intpoints::eqother, gauss_points(), mechmat::ic, inicond, iniother, inistrain, inistress, intordsm, mechmat::ip, element::ipp, memset(), Mm, Mt, matrix::n, nb, intpoints::ncompeqother, intpoints::ncompstr, nne, print_err(), intpoints::strain, and intpoints::stress.

void internal_forces	(	long	lcid,
		long	eid,
		long	ri,
		long	ci,
		vector &	ifor,
		vector &	x,
		vector &	s
	)

Function computes internal forces.

Parameters:

	lcid	- load case id
	eid	- element id
	ri,ci	- row and column indices
	ifor	- vector of internal forces
	x	- x-coordinates in local system
	s	- direction vector

Return values:

Function

returns nodal values of internal forces in vector ifor.

TKo 7.2008

Definition at line 1075 of file barelq3d.cpp.

References compute_nlstress(), elem_integration(), and locstress.

Referenced by res_internal_forces().

void intpointval	(	long	eid,
		vector &	nodval,
		vector &	ipval
	)

Function interpolates the nodal values to the integration points on the element quadratic approximation functions are used

Parameters:

	eid	- element id
	nodval	- nodal values
	ipval	- value at integration points

Return values:

Function

returns approximated values at integration points in the vector ipval.

Definition at line 1719 of file barelq3d.cpp.

References vector::a, allocv(), approx(), destrv(), mechtop::elements, gauss_points(), intordsm, element::ipp, Mt, and nb.

Referenced by elem_intpointval().

void intpointval2	(	long	eid,
		vector &	nodval,
		vector &	ipval
	)

Function interpolates the nodal values to the integration points on the element linear approximation functions are used

Parameters:

	eid	- element id
	nodval	- nodal values
	ipval	- value at integration points

Return values:

Function

returns approximated values at integration points in the vector ipval.

Definition at line 1761 of file barelq3d.cpp.

References vector::a, allocv(), barel2d::approx(), Bar2d, destrv(), gauss_points(), intordsm, nb, and barel2d::nne.

Referenced by elem_intpointval2().

void ipcoord	(	long	eid,
		long	ipp,
		long	ri,
		long	ci,
		vector &	coord
	)

Function assembles coordinates of integration points.

Parameters:

	eid	- element id
	ipp	- integration point pointer
	ri	- row index
	ci	- column index
	coord	- array containing coordinates of integration points

Return values:

Function

returns coordinates of integration points in the vector coord

TKo, 7.2008

Definition at line 1811 of file barelq3d.cpp.

References vector::a, allocv(), approx(), destrv(), mechtop::elements, gauss_points(), mechtop::give_node_coord3d(), intordsm, element::ipp, Mt, nb, and nne.

void load_matrix	(	long	eid,
		matrix &	lm
	)

Load vector is obtained after premultiplying load matrix by nodal load values.

Parameters:

	eid	- number of element
	lm	- load matrix

Return values:

Function

returns load matrix in parameter lm.

JK, 12.4.2003

Definition at line 1027 of file barelq3d.cpp.

void local_values	(	long	lcid,
		long	eid,
		long	ri,
		long	ci
	)

Function computes local values which will be used for averageing in nonlocal models at integration points. Mp->nonlocphase have to be 1.

Parameters:

	lcid	- number of load case
	eid	- element id
	ri,ci	- row and column indices

TKo, 7.2008

Definition at line 1465 of file barelq3d.cpp.

References mechmat::computenlstresses(), mechtop::elements, intordsm, element::ipp, Mm, Mp, Mt, nb, and probdesc::strcomp.

Referenced by elem_local_values().

void mainip_strains	(	long	lcid,
		long	eid,
		long	ri,
		long	ci,
		vector &	lx,
		vector &	s,
		vector &	r
	)

Function computes strains at integration points of element.

Parameters:

	lcid	- load case id
	eid	- element id
	ri	- row index
	ci	- column index
	lx	- vector of x-coordinates in local system
	s	- direction vector
	r	- vector of nodal displacements

JK, 29.9.2005

Definition at line 475 of file barelq3d.cpp.

References vector::a, allocm(), allocv(), cncomp, destrm(), destrv(), mechtop::elements, gauss_points(), geom_matrix(), intordsm, element::ipp, Mm, Mt, mxv(), nb, ncomp, ndofe, and mechmat::storestrain().

Referenced by res_mainip_strains().

void mainip_stresses	(	long	lcid,
		long	eid,
		long	ri,
		long	ci
	)

function computes stresses at main integration points of element

Parameters:

	lcid	- load case id
	eid	- element id
	ri	- row index
	ci	- column index

JK, 29.9.2005

Definition at line 768 of file barelq3d.cpp.

References vector::a, addv(), allocv(), cncomp, destrv(), mechtop::elements, fillv(), gauss_points(), mechmat::givestrain(), intordsm, element::ipp, mechmat::matstiff(), Mm, Mt, mxv(), nb, ncomp, mechmat::storestress(), and tncomp.

Referenced by res_mainip_stresses().

void mass_matrix	(	long	eid,
		matrix &	mm
	)

Function computes mass matrix of twodimensional bar element.

Parameters:

	eid	- element id
	mm	- mass matrix

Return values:

Function

returns mass matrix at parameter mm.

Definition at line 376 of file barelq3d.cpp.

void nod_eqother_ip	(	long	lcid,
		long	eid,
		long	ri,
		long	ci
	)

Function computes other values in nodes of element.

Parameters:

	lcid	- load case id
	eid	- element id
	ri,ci	- row and column indices

10.5.2002

Definition at line 986 of file barelq3d.cpp.

References vector::a, allocv(), destrv(), mechtop::give_elemnodes(), mechmat::giveeqother(), mechmat::givencompeqother(), Mm, Mt, nne, nod, mechtop::nodes, nodipnum(), and node::storeother().

void nod_strains_comp	(	long	lcid,
		long	eid,
		double **	stra
	)

Function computes nodal strains directly.

Parameters:

	lcid	- load case id
	eid	- element id
	stra	- strains at nodes, stra[i][j] means eps[j] at node i

Return values:

Function

returns resulting strains at parameter stra.

JK, 29.9.2005

Definition at line 555 of file barelq3d.cpp.

References allocm(), allocv(), copyv(), destrm(), destrv(), dirvect(), eldispl(), geom_matrix(), mechtop::give_elemnodes(), mechtop::give_node_coord3d(), giveloccoord(), lgvectortransf(), mechtop::locsystems(), Mt, mxv(), ndofe, nne, nodecoord(), nodes, tncomp, and transf_matrix().

void nod_strains_ip	(	long	lcid,
		long	eid,
		long	ri,
		long	ci
	)

Function computes strains at nodes of element.

Parameters:

	lcid	- load case id
	eid	- element id
	ri,ci	- row and column indices

JK, 29.9.2005

Definition at line 519 of file barelq3d.cpp.

References mechtop::give_elemnodes(), mechmat::givestrain(), Mm, Mt, nne, nod, mechtop::nodes, nodipnum(), node::storestrain(), and tncomp.

Referenced by strains().

void nod_stresses_comp	(	long	lcid,
		long	eid,
		long	ri,
		long	ci,
		double **	stra,
		double **	stre
	)

Function computes nodal stresses directly.

Parameters:

	lcid	- load case id
	eid	- element id
	ri,ci	- row and column indices
	stra	- strains at nodes, stra[i][j] means eps[j] at node i
	stre	- stresses at nodes - output parameter, stre[i][j] means sig[j] at node i

Return values:

Function

returns computed stresses at parameter stre.

JK, 25.9.2004

Definition at line 864 of file barelq3d.cpp.

References mechtop::elements, element::ipp, mechmat::matstiff(), Mm, Mt, mxv(), nne, and tncomp.

void nod_stresses_ip	(	long	lcid,
		long	eid,
		long	ri,
		long	ci
	)

Function computes stresses at nodes of element.

Parameters:

	lcid	- load case id
	eid	- element id
	ri,ci	- row and column indices

JK, 29.9.2005

Definition at line 826 of file barelq3d.cpp.

References mechtop::give_elemnodes(), mechmat::givestress(), Mm, Mt, nne, nod, mechtop::nodes, nodipnum(), node::storestress(), and tncomp.

Referenced by stresses().

void nodecoord ( vector & xi )

Function assembles natural coordinates of nodes of element.

Parameters:

xi

- array containing natural coordinates xi

Return values:

Function

returns natural coordinates in vector xi.

JK, 29.9.2005

Definition at line 710 of file barelq3d.cpp.

Referenced by nod_strains_comp().

void nodipnum	(	long	eid,
		long	ri,
		long	ci,
		ivector &	ipnum
	)

Function returns numbers of integration point closest to element nodes.

Parameters:

	eid	- element id
	ri,ci	- row and column indices
	ipnum	- array of local indeces of integration points closest to element nodes

Return values:

Indices

of integration points closest to element nodes are stored in ipnum.

JK, 29.9.2005

Definition at line 730 of file barelq3d.cpp.

References mechtop::elements, element::ipp, and Mt.

Referenced by nod_eqother_ip(), nod_strains_ip(), and nod_stresses_ip().

void nonloc_internal_forces	(	long	lcid,
		long	eid,
		long	ri,
		long	ci,
		vector &	ifor,
		vector &	x,
		vector &	s
	)

Function computes internal forces for nonlocal models.

Parameters:

	lcid	- load case id
	eid	- element id
	ri,ci	- row and column indices
	ifor	- vector of internal forces
	x	- x-coordinates in local system
	s	- direction vector

Return values:

Function

returns nodal values of nonlocal internal forces in vector ifor.

TKo 7.2008

Definition at line 1103 of file barelq3d.cpp.

References compute_nonloc_nlstress(), elem_integration(), and nonlocstress.

Referenced by res_nonloc_internal_forces().

void res_allip_strains	(	long	lcid,
		long	eid
	)

Function computes all strain components at all integration points.

Parameters:

	lcid	- load case id
	eid	- element id

JK, 29.9.2005

Definition at line 613 of file barelq3d.cpp.

References allip_strains().

void res_allip_stresses	(	long	lcid,
		long	eid
	)

Function computes all stress components at all integration points.

Parameters:

	lcid	- load case id
	eid	- element id

JK

Definition at line 897 of file barelq3d.cpp.

References allip_stresses().

void res_eigstrain_forces	(	long	lcid,
		long	eid,
		vector &	ifor
	)

Function computes resulting internal forces caused by eigenstrains.

Parameters:

	lcid	- load case id
	eid	- element id
	nfor	- vector of nodal forces caused by eigenstrains

Return values:

Function

returns resulting increments of internal forces in parameter nfor.

JK, 29.9.2005

Definition at line 1308 of file barelq3d.cpp.

References copyv(), dirvect(), eigstrain_forces(), mechtop::give_elemnodes(), mechtop::give_node_coord3d(), giveloccoord(), glvectortransf(), mechtop::locsystems(), Mt, ndofe, nne, nodes, and transf_matrix().

Referenced by elem_eigstrain_forces().

void res_incr_internal_forces	(	long	lcid,
		long	eid,
		vector &	ifor
	)

Function computes resulting increments of internal forces.

Parameters:

	lcid	- load case id
	eid	- element id
	ifor	- vector of internal forces at nodes

Return values:

Function

returns resulting increments of internal forces in parameter ifor.

JK, 29.9.2005

Definition at line 1267 of file barelq3d.cpp.

References copyv(), dirvect(), mechtop::give_elemnodes(), mechtop::give_node_coord3d(), giveloccoord(), glvectortransf(), incr_internal_forces(), mechtop::locsystems(), Mt, ndofe, nne, nodes, and transf_matrix().

Referenced by elem_incr_internal_forces().

void res_internal_forces	(	long	lcid,
		long	eid,
		vector &	ifor
	)

Function computes resulting internal forces. If it is required, nodal values are transformed to the local coordinate systems.

Parameters:

	lcid	- load case id
	eid	- element id
	ifor	- vector of internal forces at nodes

Return values:

Function

returns resulting internal forces in parameter ifor.

JK, 29.9.2005

Definition at line 1185 of file barelq3d.cpp.

References copyv(), dirvect(), mechtop::give_elemnodes(), mechtop::give_node_coord3d(), giveloccoord(), glvectortransf(), internal_forces(), mechtop::locsystems(), Mt, ndofe, nne, nodes, and transf_matrix().

Referenced by elem_internal_forces().

void res_mainip_strains	(	long	lcid,
		long	eid
	)

Function computes strain at main integration points.

Parameters:

	lcid	- load case id
	eid	- element id

JK

Definition at line 426 of file barelq3d.cpp.

References vector::a, allocm(), allocv(), copyv(), destrm(), destrv(), dirvect(), eldispl(), mechtop::give_elemnodes(), mechtop::give_node_coord3d(), giveloccoord(), lgvectortransf(), mechtop::locsystems(), mainip_strains(), Mt, ndofe, nne, nodes, and transf_matrix().

Referenced by allip_strains(), and compute_ipstrains().

void res_mainip_stresses	(	long	lcid,
		long	eid
	)

Function computes stresses at main integration points.

Parameters:

	lcid	- load case id
	eid	- element id

JK

Definition at line 751 of file barelq3d.cpp.

References mainip_stresses().

Referenced by allip_stresses(), and compute_ipstresses().

void res_mass_matrix	(	long	eid,
		matrix &	mm
	)

Function computes mass matrix of one element. If it is required, nodal values are transformed to the local coordinate systems.

Parameters:

	eid	- number of element
	mm	- mass matrix

Return values:

Function

returns resulting mass matrix in parameter mm

Definition at line 1555 of file barelq3d.cpp.

References mechtop::give_node_coord2d(), giveloccoord(), Mt, and nne.

void res_nonloc_internal_forces	(	long	lcid,
		long	eid,
		vector &	ifor
	)

Function computes resulting increment of nonlocal internal forces.

Parameters:

	lcid	- load case id
	eid	- element id
	ifor	- vector of internal forces at nodes

Return values:

Function

returns resulting nonlocal internal forces in parameter ifor.

JK, 29.9.2005

Definition at line 1226 of file barelq3d.cpp.

References copyv(), dirvect(), mechtop::give_elemnodes(), mechtop::give_node_coord3d(), giveloccoord(), glvectortransf(), mechtop::locsystems(), Mt, ndofe, nne, nodes, nonloc_internal_forces(), and transf_matrix().

Referenced by elem_nonloc_internal_forces().

void res_stiffness_matrix	(	long	eid,
		matrix &	sm
	)

Function computes stiffness matrix of one element. If it is required, nodal values are transformed to the local coordinate systems.

Parameters:

	eid	- number of element
	sm	- stiffness matrix

Return values:

Function

returns resulting stiffness matrix in parameter sm

JK, 28.9.2005

Definition at line 337 of file barelq3d.cpp.

References dirvect(), mechtop::give_elemnodes(), mechtop::give_node_coord3d(), giveloccoord(), glmatrixtransf(), mechtop::locsystems(), Mt, ndofe, nne, nodes, stiffness_matrix(), and transf_matrix().

Referenced by stiffmat().

void stiffness_matrix	(	long	eid,
		long	ri,
		long	ci,
		matrix &	sm,
		vector &	lx,
		vector &	s
	)

Function computes stiffness matrix of one element.

Parameters:

	eid	- element id
	ri,ci	- row and column indices
	sm	- stiffness matrix
	lx	- vector of x coodinates of nodes after bar transformation to the x axis
	s	- direction vector