Subroutines for spring calculations. More...

Data Types
interface	springroutinesmodule::addinspringforces
	Assembles system force vector contributions from a spring element. More...

Modules
module	springroutinesmodule
	Module with subroutines for spring calculations.

Functions/Subroutines
subroutine, public	springroutinesmodule::updatesprings (springs, joints, restart, ierr, updateLength, updateVar)
	Update all springs in the model. More...

subroutine	updateaxialspringlen (spr, triads, sDir)
	Updates the length and direction of an axial spring. More...

subroutine	updateglobalspringlen (spr, triad1, triad2)
	Updates the length of a global spring. More...

subroutine	updategroundedspringlen (spr, triad1)
	Updates the length of a grounded spring. More...

subroutine	springroutinesmodule::updatespringinterconn (springEl, includeStressStiff, ierr)
	Corrects spring force and stiffness according to interconnectivity. More...

subroutine	addgeostiffness (Kt, forceDir, activeSpr, KgNom)
	Adds geometric stiffness terms for a translational spring. More...

subroutine, public	springroutinesmodule::updatespringyields (yields, ierr)
	Updates the spring yield variables. More...

subroutine	updateyieldlimit (yld)
	Updates the yield limit by evaluating the yield limit engine. More...

subroutine	springroutinesmodule::calcspringforces (spr, triads, sDir, eV)
	Calculates system force vector contributions from a spring element. More...

subroutine	springroutinesmodule::calcspringstiffness (spr, triads, sDir, cplStiff, scaleK, eM, includeStressStiff, haveStiffness)
	Calculates the stiffness matrix contributions from a spring element. More...

subroutine	springroutinesmodule::couplespringforces (spr, cplStiff)
	Updates spring element forces due to explicit coupling. More...

subroutine	springroutinesmodule::couplespringstiffness (spr, cplStiff, elMat, scaleK, d1)
	Updates a spring element stiffness matrix due to explicit coupling. More...

subroutine	springroutinesmodule::addinstiffnessforces (FS, RF, spring, sam, ierr)
	Assembles system force vector contributions from a spring element. More...

subroutine	springroutinesmodule::addindampingforces (FD, RF, spring, sam, alpha2, ierr)
	Assembles system force vector contributions from a spring element. More...

subroutine, public	springroutinesmodule::addinspringstiffmat (includeStressStiff, scaleK, Nmat, spring, sam, ierr, Rhs)
	Assembles system stiffness contributions from a spring element. More...

Variables
integer, parameter	springroutinesmodule::maxdofs_p = 60
	Max number of DOFs pr element. More...

real(dp), parameter	springroutinesmodule::epszero_p = 1.0e-16_dp
	Equal to zero tolerance. More...

Detailed Description

Subroutines for spring calculations.

Function/Subroutine Documentation

◆ addgeostiffness()

subroutine updatespringinterconn::addgeostiffness	(	real(dp), dimension(3,3), intent(inout)	Kt,
		real(dp), dimension(3), intent(in)	forceDir,
		logical, dimension(3), intent(in)	activeSpr,
		real(dp), intent(in)	KgNom
	)

Adds geometric stiffness terms for a translational spring.

◆ updateaxialspringlen()

subroutine updatesprings::updateaxialspringlen	(	type(springbasetype), intent(inout)	spr,
		type(triadptrtype), dimension(:), intent(in)	triads,
		real(dp), dimension(:,:), intent(out)	sDir
	)

Updates the length and direction of an axial spring.

◆ updateglobalspringlen()

subroutine updatesprings::updateglobalspringlen	(	type(springbasetype), intent(inout)	spr,
		type(triadtype), intent(in)	triad1,
		type(triadtype), intent(in)	triad2
	)

Updates the length of a global spring.

◆ updategroundedspringlen()

subroutine updatesprings::updategroundedspringlen	(	type(springbasetype), intent(inout)	spr,
		type(triadtype), intent(in)	triad1
	)

Updates the length of a grounded spring.

◆ updateyieldlimit()

subroutine updatespringyields::updateyieldlimit ( type(yieldlimittype), intent(inout) yld )

Updates the yield limit by evaluating the yield limit engine.

Data Types

Modules

Functions/Subroutines