Reading calculation result

Read calculation result from CGNS files.

Table 85 Subroutines to use

Subroutine

Remarks

cg_iric_read_sol_count

Reads the number of calculation result

cg_iric_read_sol_time

Reads the time value

cg_iric_read_sol_iteration

Reads the loop iteration value

cg_iric_read_sol_baseiterative_integer

Reads the integer-type calculation result value

cg_iric_read_sol_baseiterative_real

Reads the double-precision real-type calculation result value

cg_iric_read_sol_gridcoord2d

Reads the 2D structured grid (for moving grid calculation)

cg_iric_read_sol_gridcoord3d

Reads the 3D structured grid (for moving grid calculation)

cg_iric_read_sol_node_integer

Reads the integer-type calculation result, having a value for each grid node

cg_iric_read_sol_node_real

Reads the double-precision real-type calculation result, having a value for each grid node

cg_iric_read_sol_cell_integer

Reads the integer-type calculation result, having a value for each grid cell

cg_iric_read_sol_cell_real

Reads the double-precision real-type calculation result, having a value for each grid cell

List 176 shows an example of reading caluculation result from CGNS file, and output to standard output.

List 176 Example of reading calculation result
 1program SampleX
 2  use iric
 3  implicit none
 4
 5  integer:: fin, ier, isize, jsize, solid, solcount, iter, i, j
 6  double precision, dimension(:,:), allocatable::grid_x, grid_y, result_real
 7
 8  ! Opening CGNS file
 9  call cg_iric_open('test.cgn', IRIC_MODE_READ, fin, ier)
10  if (ier /=0) STOP "*** Open error of CGNS file ***"
11
12  ! Reads grid size
13  call cg_iric_read_grid2d_str_size(fin, isize, jsize, ier)
14
15  ! Allocate memory for reading calculation result
16  allocate(grid_x(isize,jsize), grid_y(isize,jsize))
17  allocate(result_real(isize, jsize))
18
19  ! Reads calculation result, and output to standard output.
20  call cg_iric_read_sol_count(fin, solcount, ier)
21  do solid = 1, solcount
22    call cg_iric_read_sol_iteration(fin, solid, iter, ier)
23    call cg_iric_read_sol_gridcoord2d(fin, solid, grid_x, grid_y, ier)
24    call cg_iric_read_sol_real(fin, solid, 'result_real', result_real, ier)
25
26    print *, 'iteration: ', iter
27    print *, 'grid_x, grid_y, result: '
28    do i = 1, isize
29      do j = 1, jsize
30        print *, '(', i, ', ', j, ') = (', grid_x(i, j), ', ', grid_y(i, j), ', ', result_real(i, j), ')'
31      end do
32    end do
33  end do
34
35  ! Closing CGNS file
36  call cg_iric_close(fin, ier)
37  stop
38end program SampleX

The functions are used in calculation analysis program (See Steps of developing a calculation result analysis program).