ProductsAbaqus/Explicit Defining effective areaThe contribution of each material point can be defined as a function of:
The effective area for fabric materials can depend on the nominal strain in the yarn directions and the change in angle between the two yarn directions, as well as the current angle between the two yarn directions. For nonfabric materials the effective area can depend on the material point strain. User subroutine interfacesubroutine vufluidexcheffarea( C Read only (unmodifiable) variables - 1 nblock, nprop, props, 2 stepTime, totalTime, fluExchName, 3 cMatName, lFabric, braidAngle, 4 strain, origArea, 5 pcav, ctemp, C Write only (modifiable) variables 6 effArea) c include 'vaba_param.inc' c parameter (ndir = 3, nshr=1) c c pointers for retrieving fabric constitutive strains parameter( iFiberStrain1 = 1, * iFiberStrain2 = 2, * iFiberChangeAng = 4) c dimension props(nprop), 1 braidAngle(nblock), 2 strain(nblock, ndir+nshr), 3 origArea(nblock), 4 pcav(2),ctemp(2), 5 effArea(nblock) character*80 fluExchName, cMatName c do k = 1, nblock c User coding to update effArea(k) = area associated with c material point contributing to area for fluid exchange c (leakage). c end do return end Variables to be defined
Variables passed in for information
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