FrontISTR  5.7.1
Large-scale structural analysis program with finit element method
umat.f90
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1 !-------------------------------------------------------------------------------
2 ! Copyright (c) 2019 FrontISTR Commons
3 ! This software is released under the MIT License, see LICENSE.txt
4 !-------------------------------------------------------------------------------
7 module mumat
8  implicit none
9 
10  integer, parameter, private :: kreal = kind(0.0d0)
11 
12 contains
13 
15  subroutine umatlmatrix( mname, matl, strain, stress, fstat, D &
16  , dtime, ttime, temperature )
17  character(len=*), intent(in) :: mname
18  real(kind=kreal), intent(in) :: matl(:)
19  real(kind=kreal), intent(in) :: strain(6)
20  real(kind=kreal), intent(in) :: stress(6)
21  real(kind=kreal), intent(in) :: fstat(:)
22  real(kind=kreal), intent(out) :: d(:,:)
23  real(kind=kreal), intent(in) :: dtime
24  real(kind=kreal), intent(in) :: ttime
25  real(kind=kreal), optional :: temperature
26 
27  end subroutine
28 
30  subroutine uupdate( mname, matl, strain, stress, fstat, dtime, ttime, temperature )
31  character(len=*), intent(in) :: mname
32  real(kind=kreal), intent(in) :: matl(:)
33  real(kind=kreal), intent(in) :: strain(6)
34  real(kind=kreal), intent(inout) :: stress(6)
35  real(kind=kreal), intent(inout) :: fstat(:)
36  real(kind=kreal), intent(in) :: dtime
37  real(kind=kreal), intent(in) :: ttime
38  real(kind=kreal), optional :: temperature
39 
40  end subroutine
41 
42 end module
mumat
This subroutine read in used-defined material properties tangent.
Definition: umat.f90:7
mumat::uupdate
subroutine uupdate(mname, matl, strain, stress, fstat, dtime, ttime, temperature)
This subroutine calculate strain and stress increment.
Definition: umat.f90:31
mumat::umatlmatrix
subroutine umatlmatrix(mname, matl, strain, stress, fstat, D, dtime, ttime, temperature)
This subroutine calculates constitutive matrix.
Definition: umat.f90:17