Fortran定义一个不均匀三维网格,并计算每个网格的体积、边长
时间: 2024-03-31 19:38:01 浏览: 110
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可以使用计算机语言Fortran的数组和算法来定义一个不均匀三维网格,并计算每个网格的体积和边长。以下是一个可能的Fortran代码示例:
```
program grid_volume
implicit none
integer :: i, j, k, nx, ny, nz
real :: x(0:nx), y(0:ny), z(0:nz), dx(0:nx-1), dy(0:ny-1), dz(0:nz-1)
real :: volume(nx-1,ny-1,nz-1), edge_length(nx-1,ny-1,nz-1)
! Define grid dimensions
nx = 10
ny = 8
nz = 6
! Define grid coordinates
do i = 0, nx
x(i) = i * 0.2
end do
do j = 0, ny
y(j) = j * 0.25
end do
do k = 0, nz
z(k) = k * 0.5
end do
! Calculate grid cell volumes and edge lengths
do i = 0, nx-1
do j = 0, ny-1
do k = 0, nz-1
dx(i) = x(i+1) - x(i)
dy(j) = y(j+1) - y(j)
dz(k) = z(k+1) - z(k)
volume(i,j,k) = dx(i) * dy(j) * dz(k)
edge_length(i,j,k) = sqrt(dx(i)**2 + dy(j)**2 + dz(k)**2)
end do
end do
end do
! Output the results
do i = 0, nx-2
do j = 0, ny-2
do k = 0, nz-2
write(*,*) "Cell (",i,",",j,",",k,") has volume ",volume(i,j,k)," and edge length ",edge_length(i,j,k)
end do
end do
end do
end program grid_volume
```
在这个示例中,我们使用三个一维数组 `x`、`y` 和 `z` 来表示网格在三个轴上的坐标,然后使用三个一维数组 `dx`、`dy` 和 `dz` 来计算每个网格单元的边长。我们使用一个二维数组 `volume` 来存储每个网格单元的体积,使用一个二维数组 `edge_length` 来存储每个网格单元的边长。最后,我们输出每个网格单元的体积和边长。
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