|  | FrontISTR
    5.7.1
    Large-scale structural analysis program with finit element method | 
This module provides aux functions. More...
| Functions/Subroutines | |
| subroutine | memget (var, dimn, syze) | 
| Record used memory.  More... | |
| subroutine | append_int2name (n, fname, n1) | 
| Insert an integer at end of a file name.  More... | |
| subroutine | insert_int2array (iin, carray) | 
| Insert an integer into a integer array.  More... | |
| subroutine | tensor_eigen3 (tensor, eigval) | 
| Given symmetric 3x3 matrix M, compute the eigenvalues.  More... | |
| subroutine | eigen3 (tensor, eigval, princ) | 
| Compute eigenvalue and eigenvetor for symmetric 3*3 tensor using Jacobi iteration adapted from numerical recipes.  More... | |
| real(kind=kreal) function | determinant (mat) | 
| Compute determinant for symmetric 3*3 matrix.  More... | |
| real(kind=kreal) function | determinant33 (XJ) | 
| Compute determinant for 3*3 matrix.  More... | |
| subroutine | fstr_chk_alloc (imsg, sub_name, ierr) | 
| subroutine | calinverse (NN, A) | 
| calculate inverse of matrix a  More... | |
| subroutine | cross_product (v1, v2, vn) | 
| subroutine | transformation (jacob, tm) | 
| subroutine | get_principal (tensor, eigval, princmatrix) | 
| subroutine | eigen3d (tensor, eigval, princ) | 
| subroutine | cardano (a, b, c, x1, x2, x3) | 
| subroutine | rotate_3dvector_by_rodrigues_formula (r, v) | 
| subroutine | deriv_general_iso_tensor_func_3d (dpydpx, dydx, eigv, px, py) | 
| Compute derivative of a general isotropic tensor function of one tensor.  More... | |
This module provides aux functions.
| subroutine m_utilities::append_int2name | ( | integer, intent(in) | n, | 
| character(len=*), intent(inout) | fname, | ||
| integer, intent(in), optional | n1 | ||
| ) | 
Insert an integer at end of a file name.
Definition at line 23 of file utilities.f90.
| subroutine m_utilities::calinverse | ( | integer, intent(in) | NN, | 
| real(kind=kreal), dimension(nn,nn), intent(inout) | A | ||
| ) | 
calculate inverse of matrix a
Definition at line 294 of file utilities.f90.
| subroutine m_utilities::cardano | ( | real(kind=kreal) | a, | 
| real(kind=kreal) | b, | ||
| real(kind=kreal) | c, | ||
| complex(kind=kreal) | x1, | ||
| complex(kind=kreal) | x2, | ||
| complex(kind=kreal) | x3 | ||
| ) | 
| subroutine m_utilities::cross_product | ( | real(kind=kreal), dimension(3), intent(in) | v1, | 
| real(kind=kreal), dimension(3), intent(in) | v2, | ||
| real(kind=kreal), dimension(3), intent(out) | vn | ||
| ) | 
| subroutine m_utilities::deriv_general_iso_tensor_func_3d | ( | real(kind=kreal), dimension(3,3), intent(in) | dpydpx, | 
| real(kind=kreal), dimension(6,6), intent(out) | dydx, | ||
| real(kind=kreal), dimension(3,3), intent(in) | eigv, | ||
| real(kind=kreal), dimension(3), intent(in) | px, | ||
| real(kind=kreal), dimension(3), intent(in) | py | ||
| ) | 
Compute derivative of a general isotropic tensor function of one tensor.
Definition at line 588 of file utilities.f90.
| real(kind=kreal) function m_utilities::determinant | ( | real(kind=kreal), dimension(6) | mat | ) | 
Compute determinant for symmetric 3*3 matrix.
| mat | tensor | 
Definition at line 251 of file utilities.f90.
| real(kind=kreal) function m_utilities::determinant33 | ( | real(kind=kreal), dimension(3,3) | XJ | ) | 
Compute determinant for 3*3 matrix.
Definition at line 269 of file utilities.f90.
| subroutine m_utilities::eigen3 | ( | real(kind=kreal), dimension(6), intent(in) | tensor, | 
| real(kind=kreal), dimension(3), intent(out) | eigval, | ||
| real(kind=kreal), dimension(3, 3), intent(out) | princ | ||
| ) | 
Compute eigenvalue and eigenvetor for symmetric 3*3 tensor using Jacobi iteration adapted from numerical recipes.
| [out] | eigval | vector containing the eigvalches | 
| [out] | princ | matrix containing the three principal column vectors | 
Definition at line 142 of file utilities.f90.
| subroutine m_utilities::eigen3d | ( | real(kind=kreal), dimension(6) | tensor, | 
| real(kind=kreal), dimension(3) | eigval, | ||
| real(kind=kreal), dimension(3,3) | princ | ||
| ) | 
| eigval | vector containing the eigvalches | 
| princ | matrix containing the three principal column vectors | 
Definition at line 456 of file utilities.f90.
| subroutine m_utilities::fstr_chk_alloc | ( | integer(kind=kint) | imsg, | 
| character(*) | sub_name, | ||
| integer(kind=kint) | ierr | ||
| ) | 
Definition at line 280 of file utilities.f90.
| subroutine m_utilities::get_principal | ( | real(kind=kreal), dimension(1:6) | tensor, | 
| real(kind=kreal), dimension(3) | eigval, | ||
| real(kind=kreal), dimension(3,3) | princmatrix | ||
| ) | 
Definition at line 410 of file utilities.f90.
| subroutine m_utilities::insert_int2array | ( | integer, intent(in) | iin, | 
| integer, dimension(:), pointer | carray | ||
| ) | 
Insert an integer into a integer array.
Definition at line 48 of file utilities.f90.
| subroutine m_utilities::memget | ( | integer | var, | 
| integer | dimn, | ||
| integer | syze | ||
| ) | 
Record used memory.
Definition at line 15 of file utilities.f90.
| subroutine m_utilities::rotate_3dvector_by_rodrigues_formula | ( | real(kind=kreal), dimension(3), intent(in) | r, | 
| real(kind=kreal), dimension(3), intent(inout) | v | ||
| ) | 
| [in] | r | rotational vector | 
| [in,out] | v | vector to be rotated | 
Definition at line 551 of file utilities.f90.
| subroutine m_utilities::tensor_eigen3 | ( | real(kind=kreal), dimension(6), intent(in) | tensor, | 
| real(kind=kreal), dimension(3), intent(out) | eigval | ||
| ) | 
Given symmetric 3x3 matrix M, compute the eigenvalues.
| [out] | eigval | eigenvalues | 
Definition at line 74 of file utilities.f90.
| subroutine m_utilities::transformation | ( | real(kind=kreal), dimension(3,3), intent(in) | jacob, | 
| real(kind=kreal), dimension(6,6), intent(out) | tm | ||
| ) | 
| [in] | jacob | Jacobian | 
| [out] | tm | transform matrix | 
Definition at line 375 of file utilities.f90.