173 lines
5.2 KiB
Fortran
173 lines
5.2 KiB
Fortran
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!This program calculates the distance from each element
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!to its nearest grain boundary
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Program GeomConnectivity
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!
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! Parameters
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parameter(max_nodes=1000000,max_elements=1000000,max_node_in_elem=8)
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parameter(max_cells=1000,max_elem_in_cell=10000,max_neigh_per_elem=6)
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parameter(max_faces_in_cell=100)
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!
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! Declare Variables
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character*256 input,input2(2)
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integer elements(max_elements,max_node_in_element)
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integer active(max_elements)
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integer num_elements(max_cells)
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integer elem_label=(max_cells,max_elem_in_cell)
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integer num_neighbours=(max_cells,max_elem_in_cell)
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integer elem_neighbours=(max_cells,max_elem_in_cell,max_neigh_per_elem)
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integer num_faces(max_cells)
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real nodes(max_nodes,3)
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real face_coords(max_cells,max_faces_in_cell,9)
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real dotprod(max_node_in_element,max_faces_in_cell)
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real average(max_faces_in_cell)
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real distance(max_cells,max_elem_in_cell)
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!
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! Initialise Variables
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nodes=0.
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face_coords=0.
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dotprod=0.
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average=0.
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distance=0.
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elements=0
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active=0
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num_elements=0
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elem_label=0
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num_neighbours=0
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elem_neighbours=0
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num_faces=0
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!
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! Open Input File and read node and element co-ordinates
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open(unit=10,file='GeomGenTemp.inp',status='unknown')
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do while (index(input,'*Node')==0)
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read(10,'(a)')input
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end do
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nn=0
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do while(1==1)
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read(10,'(a)')input
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if(index(input,'*')==0)then
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backspace(10)
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nn=nn+1
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read(10,*)nodes(nn,1),nodes(nn,2),nodes(nn,3)
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else
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exit
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endif
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end do
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ne=0
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do while(1==1)
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read(10,'(a)')input
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if(index(input,'*')==0)then
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backspace(10)
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ne=ne+1
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read(10,*)dummy,elements(ne,1),elements(ne,2),elements(ne,3),elements(ne,4)&
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& ,elements(ne,5),elements(ne,6),elements(ne,7),elements(ne,8)
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else
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exit
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endif
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end do
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!
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! Open GeomGen output file and read element connectivity, cell, face and
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! vertice data.
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open(unit=11,file='vertout.dat',status='old')
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read(11,*)idimension
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read(11,*)num_cells
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do i=1,num_cells
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read(11,*)num_elements(i)
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do j=1,num_elements(i)
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read(11,*)elem_label(i,j)
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read(11,*)num_neighbours(i,j)
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do k=1,num_neighbours(i,j)
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read(11,*)elem_neighbours(i,j,k)
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enddo
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enddo
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read(11,*)num_faces(i)
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do j=1,num_faces(i)
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read(11,*)face_coords(i,j,1),face_coords(i,j,2),face_coords(i,j,3)
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read(11,*)face_coords(i,j,4),face_coords(i,j,5),face_coords(i,j,6)
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read(11,*)face_coords(i,j,7),face_coords(i,j,8),face_coords(i,j,9)
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enddo
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enddo
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!
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! Determine normal distance between element centroid and closest face
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do i=1,num_cells
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do j=1,num_elements(i)
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do k=1,8
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nodex=nodes(elements(elem_label(i,j),k),1)
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nodey=nodes(elements(elem_label(i,j),k),2)
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nodez=nodes(elements(elem_label(i,j),k),3)
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do m=1,num_faces(i)
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vert1x=face_coords(i,m,1)
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vert1y=face_coords(i,m,1)
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vert1z=face_coords(i,m,1)
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vert2x=face_coords(i,m,2)
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vert2y=face_coords(i,m,2)
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vert2z=face_coords(i,m,2)
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vert3x=face_coords(i,m,3)
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vert3y=face_coords(i,m,3)
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vert3z=face_coords(i,m,3)
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v1v2i=vert1x-vert2x
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v1v2j=vert1y-vert2y
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v1v2k=vert1z-vert2z
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v1v3i=vert1x-vert3x
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v1v3j=vert1y-vert3y
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v1v3k=vert1z-vert3z
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v1ni=vert1x-nodex
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v1nj=vert1y-nodey
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v1nk=vert1z-nodez
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crossi=v1v2j*v1v3k-v1v2k*v1v3j
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crossj=v1v2k*v1v3i-v1v2i*v1v3k
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crossk=v1v2i*v1v3j-v1v2j*v1v3i
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dotprod(k,m)=v1ni*crossi+v1nj*crossj+v1nk*crossk
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enddo
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enddo
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min_average=1000.
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do m=1,num_faces(i)
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average(m)=0.
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do k=1,8
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average(m)=average(m)+dotprod(k,m)
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enddo
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average(m)=average(m)/8.
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if(average(m)<min_average)min_average=average(m)
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enddo
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distance(i,j)=min_average
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enddo
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enddo
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!
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! Copy new data into updated input file
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rewind(unit=10)
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open(unit=12,file='GeomGenINP.inp',status='unknown')
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input2(1)='**'
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do while (index(input2(1),'*End Assembly')==0)
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read(10,'(a)')input2(2)
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write(12,'(a)')input2(1)
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input2(1)=input2(2)
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enddo
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write(12,'(a)')'*End Assembly'
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write(12,*)'*INITIAL CONDITIONS,TYPE=SOLUTION'
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open(unit=13,file='ecor.dat',status='old')
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active=0
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ierr=0
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do while (ierr==0)
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read(13,*,iostat=ierr)ielnum
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if(ierr==0)active(ielnum)=1
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enddo
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do i=1,num_cells
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do j=1,num_elements(i)
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write(12,'(a,8(i6,a))')'Assembly.CorPart.',elem_label(i,j),',',elem_neighbours(i,j,1),&
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& ',',elem_neighbours(i,j,2),',',elem_neighbours(i,j,3),',',elem_neighbours(i,j,4),&
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& ',',elem_neighbours(i,j,5),',',elem_neighbours(i,j,6),',',0,','
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write(12,'(2(i6,a),f18.6,a,5(i6,a))')elem_label(i,j),',',active(elem_label(i,j)),',',&
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& distance(i,j),',',0,',',0,',',0,',',0,',',0,','
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write(12,'(8(i6,a))')0,',',0,',',0,',',0,',',1,',',0,',',0,',',0,','
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write(12,'(6(i6,a),f18.6)')0,',',0,',',0,',',0,',',0,',',0,',',0.
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enddo
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enddo
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ierr=0
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do while (ierr==0)
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read(10,'(a)',iostat=ierr)input2(1)
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if(ierr==0)write(12,'(a)')input2(1)
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enddo
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close(unit=10)
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close(unit=11)
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close(unit=12)
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close(unit=13)
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End Program
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