| 1 |
# $Id$ |
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""" |
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|
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generates finley mesh simple vertical fault |
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|
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THIS CODE CREATES RICH CONTACT ELEMENTS AND RICH FACE ELEMENTS |
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with fix for contact elements at FAULT ENDS |
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|
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|
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@var __author__: name of author |
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@var __copyright__: copyrights |
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@var __license__: licence agreement |
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@var __url__: url entry point on documentation |
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@var __version__: version |
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@var __date__: date of the version |
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""" |
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|
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__author__="Louise Kettle" |
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__copyright__=""" Copyright (c) 2006 by ACcESS MNRF |
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http://www.access.edu.au |
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Primary Business: Queensland, Australia""" |
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__license__="""Licensed under the Open Software License version 3.0 |
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http://www.opensource.org/licenses/osl-3.0.php""" |
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__url__="http://www.iservo.edu.au/esys" |
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__version__="$Revision$" |
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__date__="$Date$" |
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|
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from esys.escript import * |
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from numarray import zeros,Float,array,size |
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|
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#... generate domain ... |
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ne = 10 |
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width = 100000. |
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height = 30000. |
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fstart=numarray.array([width/2.,7.*width/16.,3.*height/8.]) |
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fend=numarray.array([width/2.,9.*width/16.,5.*height/8.]) |
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|
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def faultL(l0,l1, l2,ne0, ne1, ne2,contact=False,xstart=zeros(3),xend=zeros(3)): |
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meshfaultL=open('meshfault3D.fly','w') |
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|
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FaultError1="ERROR: fault defined on or too close to an outer surface" |
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FaultError2="ERROR: the mesh is too coarse for fault" |
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|
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N0=ne0+1 |
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N1=ne1+1 |
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N2=ne2+1 |
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if (N0<=N1 and N0<=N2): |
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if (N1 <= N2): |
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M0=1 |
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M1=N0 |
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M2=N0*N1 |
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M0i=1 |
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M1i=ne0 |
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M2i=ne0*ne1 |
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else: |
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M0=1 |
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M2=N0 |
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M1=N0*N2 |
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M0i=1 |
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M2i=ne0 |
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M1i=ne0*ne2 |
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elif (N1<=N2 and N1<=N0): |
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if (N2 <= N0): |
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M1=1 |
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M2=N1 |
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M0=N2*N1 |
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M1i=1 |
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M2i=ne1 |
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M0i=ne2*ne1 |
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else: |
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M1=1 |
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M0=N1 |
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M2=N1*N0 |
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M1i=1 |
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M0i=ne1 |
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M2i=ne0*ne1 |
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else: |
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if (N0 <= N1): |
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M2=1 |
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M0=N2 |
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M1=N2*N0 |
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M2i=1 |
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M0i=ne2 |
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M1i=ne0*ne2 |
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else: |
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M2=1 |
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M1=N2 |
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M0=N1*N2 |
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M2i=1 |
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M1i=ne2 |
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M0i=ne2*ne1 |
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|
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dim=3 |
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Element_numNodes=8 |
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Element_Num=ne0*ne1*ne2 |
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if contact==False: |
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numNodes=N0*N1*N2 |
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|
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else: |
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# define double (contact element) nodes on interior of fault |
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i0start=round(xstart[0]*ne0/l0) |
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i1start=round(xstart[1]*ne1/l1) |
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i2start=round(xstart[2]*ne2/l2) |
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i0end=round(xend[0]*ne0/l0) |
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i1end=round(xend[1]*ne1/l1) |
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i2end=round(xend[2]*ne2/l2) |
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n0double=int(i0end)-int(i0start) |
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n1double=int(i1end)-int(i1start) |
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n2double=int(i2end)-int(i2start) |
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if (i0start == 0) or (i1start==0) or (i2start==0): |
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raise FaultError1 |
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|
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if (i0end == ne0) or (i1end==ne1) or (i2end==ne2): |
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raise FaultError1 |
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|
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if n0double==0: |
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numNodes=N0*N1*N2+(n1double-1)*(n2double-1) |
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|
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elif n1double==0: |
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numNodes=N0*N1*N2+(n0double-1)*(n2double-1) |
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|
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elif n2double==0: |
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numNodes=N0*N1*N2+(n0double-1)*(n1double-1) |
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|
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# define nodes for normal elements |
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# there are N0*N1*N2 normal nodes |
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|
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Node=zeros([3,numNodes],Float) |
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Node_ref=zeros(numNodes,Float) |
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Node_DOF=zeros(numNodes,Float) |
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Node_tag=zeros(numNodes,Float) |
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|
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meshfaultL.write("KettleFault\n") |
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#print 'Nodes' |
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meshfaultL.write("%dD-nodes %d\n"%(dim,numNodes)) |
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|
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for i2 in range(N2): |
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for i1 in range (N1): |
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for i0 in range(N0): |
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k= i0 + N0*i1 + N0*N1*i2 # M0*i0+M1*i1+M2*i2; |
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Node_ref[k]= i0 + N0*i1 + N0*N1*i2 |
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# no periodic boundary conditions |
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Node_DOF[k]=Node_ref[k] |
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Node_tag[k]=0 |
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Node[0][k]=(i0)*l0/(N0-1) |
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Node[1][k]=(i1)*l1/(N1-1) |
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Node[2][k]=(i2)*l2/(N2-1) |
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|
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# define double nodes on fault (will have same coordinates as some of nodes already defined) |
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# only get double nodes on INTERIOR of fault |
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|
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if contact==True: |
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Fault_NE=N0*N1*N2 |
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if n0double==0: |
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if(n1double<=n2double): |
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M1f=1 |
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M2f=n1double-1 |
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else: |
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M2f=1 |
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M1f=n2double-1 |
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|
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for i2 in range(n2double-1): |
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for i1 in range(n1double-1): |
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# CHANGED: |
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k=Fault_NE+i1+(n1double-1)*i2 |
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Node_ref[k]= k #Fault_NE + i1 + (n1double-1)*i2 |
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Node_DOF[k]=Node_ref[k] |
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Node_tag[k]=1 |
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Node[0][k]=i0start*l0/ne0 |
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Node[1][k]=i1start*l1/ne1 + (i1+1)*l1/ne1 |
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Node[2][k]=i2start*l2/ne2 + (i2+1)*l2/ne2 |
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# elif n1double==0: |
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# elif n2double==0: |
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print "fstart = ",[i0start*l0/ne0, i1start*l1/ne1 , i2start*l2/ne2] |
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print "fend = ", [i0start*l0/ne0 , i1start*l1/ne1 + n1double*l1/ne1, i2start*l2/ne2 + n2double*l2/ne2] |
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|
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# write nodes to file |
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for i in range(numNodes): |
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meshfaultL.write("%d %d %d"%(Node_ref[i],Node_DOF[i],Node_tag[i])) |
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for j in range(dim): |
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meshfaultL.write(" %lf"%Node[j][i]) |
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meshfaultL.write("\n") |
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|
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|
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|
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|
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# defining interior elements |
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# there are ne0*ne1*ne2 interior elements |
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|
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Element_Nodes=zeros([8,ne0*ne1*ne2],Float) |
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Element_ref=zeros(ne0*ne1*ne2,Float) |
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Element_tag=zeros(ne0*ne1*ne2,Float) |
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|
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#print 'Interior elements' |
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|
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print "M0,M1,M2",M0,M1,M2 |
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|
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for i2 in range(ne2): |
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for i1 in range (ne1): |
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for i0 in range(ne0): |
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k=i0 + ne0*i1 + ne0*ne1*i2; |
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# define corner node (node0) |
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node0=i0 + N0*i1 + N0*N1*i2; |
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Element_ref[k]=k |
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Element_tag[k]=0 |
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# for hex8 the interior elements are specified by 8 nodes |
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#CHANGED: |
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Element_Nodes[0][k]=node0; |
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Element_Nodes[1][k]=node0+1; |
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Element_Nodes[2][k]=node0+N0+1; |
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Element_Nodes[3][k]=node0+N0; |
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Element_Nodes[4][k]=node0+N0*N1; |
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Element_Nodes[5][k]=node0+N0*N1+1; |
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Element_Nodes[6][k]=node0+N0*N1+N0+1; |
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Element_Nodes[7][k]=node0+N0*N1+N0; |
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|
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if contact==True: |
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if n0double==0: |
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x0s= i0start*l0/ne0 |
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x1s= i1start*l1/ne1 |
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x2s= i2start*l2/ne2 |
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x0e= i0end*l0/ne0 |
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x1e= i1end*l1/ne1 |
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x2e= i2end*l2/ne2 |
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#print "x0s,x1s,x2s,x0e,x1e,x2e", x0s,x1s,x2s,x0e,x1e,x2e |
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if (n1double==1) or (n2double==1): |
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raise FaultError2 |
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for i2 in range(n2double): |
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for i1 in range(n1double): |
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# here the coordinates of kfault and kold are the same |
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# Ref for fault node (only on interior nodes of fault): |
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if (i1>0) and (i2>0): |
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kfault=Fault_NE+(i1-1.)+(n1double-1)*(i2-1.) |
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#print kfault , Node[0][int(kfault)],Node[1][int(kfault)],Node[2][int(kfault)] |
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else: |
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kfault=0. |
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# determine bottom corner node of each element |
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|
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# Ref for normal interior node: |
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kold=int(i0start+N0*(i1start + i1) + (N0*N1)*(i2start+i2)) |
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#print kold, Node[0][kold],Node[1][kold],Node[2][kold] |
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# Ref for interior element: |
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kint=int(i0start + ne0*(i1start+i1) + (ne0*ne1)*(i2start+i2)) |
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#print kint, Element_Nodes[0][kint] |
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|
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x0= (i0start)*l0/ne0 |
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x1= (i1start+i1)*l1/ne1 |
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x2= (i2start+i2)*l2/ne2 |
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|
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# for x0 > xstart we need to overwrite old Nodes in interior element references |
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# with fault nodes: |
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|
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# for the interior elements with x1<x1s and x2<x2s the only nodes need changing |
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# are on the fault: |
| 255 |
if (i1==0) and (i2==0): |
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# nearest fault node: |
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kfaultref=int(Fault_NE+i1+(n1double-1)*i2) |
| 258 |
elif (i1==0): |
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# nearest fault node |
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kfaultref=int(Fault_NE+i1+(i2-1.)*(n1double-1)) |
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elif (i2==0): |
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# nearest fault node |
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kfaultref=int(Fault_NE+(i1-1.) + i2*(n1double-1)) |
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else: |
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# looking at element with fault node on bottom corner |
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kfaultref=int(kfault) |
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|
| 268 |
#print x0,x1,x2 |
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#print kold, Node[0][kold],Node[1][kold],Node[2][kold] |
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#print kfaultref, Node[0][kfaultref],Node[1][kfaultref],Node[2][kfaultref] |
| 271 |
|
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# overwrite 4 outer corner elements of fault (only one node changed) |
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if (i1==0 and i2==0): |
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#nodecheck=int(Element_Nodes[7][kint] ) |
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#print nodecheck, Node[0][nodecheck],Node[1][nodecheck],Node[2][nodecheck] |
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|
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Element_Nodes[7][kint]=kfaultref |
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|
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#print kfaultref, Node[0][kfaultref],Node[1][kfaultref],Node[2][kfaultref] |
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|
| 281 |
|
| 282 |
elif (i1==0 and i2==n2double-1): |
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|
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#nodecheck=int(Element_Nodes[3][kint] ) |
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#print nodecheck, Node[0][nodecheck],Node[1][nodecheck],Node[2][nodecheck] |
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|
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Element_Nodes[3][kint]=kfaultref |
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|
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#print kfaultref, Node[0][kfaultref],Node[1][kfaultref],Node[2][kfaultref] |
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|
| 291 |
elif (i1==n1double-1 and i2==0): |
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#nodecheck=int(Element_Nodes[4][kint] ) |
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#print nodecheck, Node[0][nodecheck],Node[1][nodecheck],Node[2][nodecheck] |
| 294 |
|
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Element_Nodes[4][kint]=kfaultref |
| 296 |
#print kfaultref, Node[0][kfaultref],Node[1][kfaultref],Node[2][kfaultref] |
| 297 |
|
| 298 |
elif (i1==n1double-1 and i2==n2double-1): |
| 299 |
#nodecheck=int(Element_Nodes[0][kint] ) |
| 300 |
#print nodecheck, Node[0][nodecheck],Node[1][nodecheck],Node[2][nodecheck] |
| 301 |
|
| 302 |
Element_Nodes[0][kint]=kfaultref |
| 303 |
#print kfaultref, Node[0][kfaultref],Node[1][kfaultref],Node[2][kfaultref] |
| 304 |
|
| 305 |
# overwrite 4 sides of fault (only 2 nodes changed) |
| 306 |
elif (i1==0): |
| 307 |
|
| 308 |
#nodecheck=int(Element_Nodes[3][kint] ) |
| 309 |
#print nodecheck, Node[0][nodecheck],Node[1][nodecheck],Node[2][nodecheck] |
| 310 |
#nodecheck=int(Element_Nodes[7][kint] ) |
| 311 |
#print nodecheck, Node[0][nodecheck],Node[1][nodecheck],Node[2][nodecheck] |
| 312 |
|
| 313 |
Element_Nodes[3][kint]=kfaultref |
| 314 |
kfaultref1=int(kfaultref+(n1double-1)) |
| 315 |
Element_Nodes[7][kint]=kfaultref1 |
| 316 |
|
| 317 |
#print kfaultref, Node[0][kfaultref],Node[1][kfaultref],Node[2][kfaultref] |
| 318 |
#print kfaultref1, Node[0][kfaultref1],Node[1][kfaultref1],Node[2][kfaultref1] |
| 319 |
|
| 320 |
|
| 321 |
|
| 322 |
elif (i1==n1double-1): |
| 323 |
|
| 324 |
#nodecheck=int(Element_Nodes[0][kint] ) |
| 325 |
#print nodecheck, Node[0][nodecheck],Node[1][nodecheck],Node[2][nodecheck] |
| 326 |
#nodecheck=int(Element_Nodes[4][kint] ) |
| 327 |
#print nodecheck, Node[0][nodecheck],Node[1][nodecheck],Node[2][nodecheck] |
| 328 |
|
| 329 |
|
| 330 |
Element_Nodes[0][kint]=kfaultref |
| 331 |
kfaultref1=kfaultref+(n1double-1) |
| 332 |
Element_Nodes[4][kint]=kfaultref1 |
| 333 |
|
| 334 |
#print kfaultref, Node[0][kfaultref],Node[1][kfaultref],Node[2][kfaultref] |
| 335 |
#print kfaultref1, Node[0][kfaultref1],Node[1][kfaultref1],Node[2][kfaultref1] |
| 336 |
|
| 337 |
elif (i2==0): |
| 338 |
|
| 339 |
#nodecheck=int(Element_Nodes[4][kint] ) |
| 340 |
#print nodecheck, Node[0][nodecheck],Node[1][nodecheck],Node[2][nodecheck] |
| 341 |
#nodecheck=int(Element_Nodes[7][kint] ) |
| 342 |
#print nodecheck, Node[0][nodecheck],Node[1][nodecheck],Node[2][nodecheck] |
| 343 |
|
| 344 |
Element_Nodes[4][kint]=kfaultref |
| 345 |
kfaultref1=kfaultref+1 |
| 346 |
Element_Nodes[7][kint]=kfaultref1 |
| 347 |
|
| 348 |
#print kfaultref, Node[0][kfaultref],Node[1][kfaultref],Node[2][kfaultref] |
| 349 |
#print kfaultref1, Node[0][kfaultref1],Node[1][kfaultref1],Node[2][kfaultref1] |
| 350 |
|
| 351 |
elif (i2==n2double-1): |
| 352 |
|
| 353 |
#nodecheck=int(Element_Nodes[0][kint] ) |
| 354 |
#print nodecheck, Node[0][nodecheck],Node[1][nodecheck],Node[2][nodecheck] |
| 355 |
#nodecheck=int(Element_Nodes[3][kint] ) |
| 356 |
#print nodecheck, Node[0][nodecheck],Node[1][nodecheck],Node[2][nodecheck] |
| 357 |
|
| 358 |
Element_Nodes[0][kint]=kfaultref |
| 359 |
kfaultref1=kfaultref+1 |
| 360 |
Element_Nodes[3][kint]=kfaultref1 |
| 361 |
|
| 362 |
#print kfaultref, Node[0][kfaultref],Node[1][kfaultref],Node[2][kfaultref] |
| 363 |
#print kfaultref1, Node[0][kfaultref1],Node[1][kfaultref1],Node[2][kfaultref1] |
| 364 |
|
| 365 |
# overwrite interior fault elements (4 nodes changed) |
| 366 |
else: |
| 367 |
#nodecheck=int(Element_Nodes[0][kint] ) |
| 368 |
#print nodecheck, Node[0][nodecheck],Node[1][nodecheck],Node[2][nodecheck] |
| 369 |
#print kfaultref, Node[0][kfaultref],Node[1][kfaultref],Node[2][kfaultref] |
| 370 |
|
| 371 |
Element_Nodes[0][kint]=kfaultref |
| 372 |
#if (x1<x1e and x2<x2e): |
| 373 |
kfaultref1=kfaultref+1 |
| 374 |
kfaultref2=kfaultref+(n1double-1) |
| 375 |
kfaultref3=kfaultref+1+(n1double-1) |
| 376 |
|
| 377 |
#nodecheck=int(Element_Nodes[3][kint] ) |
| 378 |
#print nodecheck, Node[0][nodecheck],Node[1][nodecheck],Node[2][nodecheck] |
| 379 |
#print kfaultref1, Node[0][kfaultref1],Node[1][kfaultref1],Node[2][kfaultref1] |
| 380 |
|
| 381 |
#nodecheck=int(Element_Nodes[4][kint] ) |
| 382 |
#print nodecheck, Node[0][nodecheck],Node[1][nodecheck],Node[2][nodecheck] |
| 383 |
#print kfaultref2, Node[0][kfaultref2],Node[1][kfaultref2],Node[2][kfaultref2] |
| 384 |
|
| 385 |
#nodecheck=int(Element_Nodes[7][kint] ) |
| 386 |
#print nodecheck, Node[0][nodecheck],Node[1][nodecheck],Node[2][nodecheck] |
| 387 |
#print kfaultref3, Node[0][kfaultref3],Node[1][kfaultref3],Node[2][kfaultref3] |
| 388 |
|
| 389 |
|
| 390 |
Element_Nodes[3][kint]=kfaultref1 |
| 391 |
Element_Nodes[4][kint]=kfaultref2 |
| 392 |
Element_Nodes[7][kint]=kfaultref3 |
| 393 |
#elif x1<x1e: |
| 394 |
# kfaultref1=kfaultref+M1f |
| 395 |
# Element_Nodes[3][kint]=kfaultref1 |
| 396 |
#elif x2<x2e: |
| 397 |
# kfaultref2=kfaultref+M2f |
| 398 |
# Element_Nodes[4][kint]=kfaultref2 |
| 399 |
|
| 400 |
|
| 401 |
# print kint, kfaultref |
| 402 |
|
| 403 |
# write interior elements to file |
| 404 |
Element_Type='Hex8' |
| 405 |
meshfaultL.write("%s %d\n"%(Element_Type,Element_Num)) |
| 406 |
|
| 407 |
for i in range(Element_Num): |
| 408 |
meshfaultL.write("%d %d"%(Element_ref[i],Element_tag[i])) |
| 409 |
for j in range(Element_numNodes): |
| 410 |
meshfaultL.write(" %d"%Element_Nodes[j][i]) |
| 411 |
meshfaultL.write("\n") |
| 412 |
|
| 413 |
# face elements |
| 414 |
FaceElement_Type='Hex8Face' |
| 415 |
FaceElement_Num= 2*(ne0*ne1 + ne0*ne2 + ne1*ne2) |
| 416 |
FaceElement_numNodes=8 |
| 417 |
|
| 418 |
meshfaultL.write("%s %d\n"%(FaceElement_Type,FaceElement_Num)) |
| 419 |
|
| 420 |
FaceElement_Nodes=zeros([FaceElement_numNodes,FaceElement_Num],Float) |
| 421 |
FaceElement_ref=zeros(FaceElement_Num,Float) |
| 422 |
FaceElement_tag=zeros(FaceElement_Num,Float) |
| 423 |
|
| 424 |
kcount=0 |
| 425 |
|
| 426 |
# defining face elements on x2=0 face |
| 427 |
for i1 in range (ne1): |
| 428 |
for i0 in range(ne0): |
| 429 |
i2=0 |
| 430 |
k=i0 + ne0*i1 + ne0*ne1*i2; |
| 431 |
# define corner node (node0) |
| 432 |
node0=i0 + N0*i1 + N0*N1*i2; |
| 433 |
FaceElement_ref[kcount]=kcount |
| 434 |
FaceElement_tag[kcount]=3 |
| 435 |
# for hex8face the face elements are specified by 8 nodes |
| 436 |
FaceElement_Nodes[0][kcount]=node0; |
| 437 |
FaceElement_Nodes[1][kcount]=node0+1; |
| 438 |
FaceElement_Nodes[2][kcount]=node0+N0+1; |
| 439 |
FaceElement_Nodes[3][kcount]=node0+N0; |
| 440 |
FaceElement_Nodes[4][kcount]=node0+N0*N1; |
| 441 |
FaceElement_Nodes[5][kcount]=node0+N0*N1+1; |
| 442 |
FaceElement_Nodes[6][kcount]=node0+N0*N1+N0+1; |
| 443 |
FaceElement_Nodes[7][kcount]=node0+N0*N1+N0; |
| 444 |
kcount+=1 |
| 445 |
|
| 446 |
# defining face elements on x2=L face |
| 447 |
for i1 in range (ne1): |
| 448 |
for i0 in range(ne0): |
| 449 |
i2=ne2-1 |
| 450 |
k=i0 + ne0*i1 + ne0*ne1*i2; |
| 451 |
# define corner node (node0) |
| 452 |
node0=i0 + N0*i1 + N0*N1*i2; |
| 453 |
FaceElement_ref[kcount]=kcount |
| 454 |
FaceElement_tag[kcount]=3 |
| 455 |
# for hex8face the face elements are specified by 8 nodes |
| 456 |
FaceElement_Nodes[0][kcount]=node0+N0*N1; |
| 457 |
FaceElement_Nodes[1][kcount]=node0+N0*N1+1; |
| 458 |
FaceElement_Nodes[2][kcount]=node0+N0*N1+N0+1; |
| 459 |
FaceElement_Nodes[3][kcount]=node0+N0*N1+N0; |
| 460 |
FaceElement_Nodes[4][kcount]=node0; |
| 461 |
FaceElement_Nodes[5][kcount]=node0+1; |
| 462 |
FaceElement_Nodes[6][kcount]=node0+N0+1; |
| 463 |
FaceElement_Nodes[7][kcount]=node0+N0; |
| 464 |
kcount+=1 |
| 465 |
|
| 466 |
# defining face elements on x1=0 face |
| 467 |
for i2 in range (ne2): |
| 468 |
for i0 in range(ne0): |
| 469 |
i1=0 |
| 470 |
k=i0 + ne0*i1 + ne0*ne1*i2; |
| 471 |
# define corner node (node0) |
| 472 |
node0=i0 + N0*i1 + N0*N1*i2; |
| 473 |
FaceElement_ref[kcount]=kcount |
| 474 |
FaceElement_tag[kcount]=3 |
| 475 |
# for hex8face the face elements are specified by 8 nodes |
| 476 |
FaceElement_Nodes[0][kcount]=node0; |
| 477 |
FaceElement_Nodes[1][kcount]=node0+N0*N1; |
| 478 |
FaceElement_Nodes[2][kcount]=node0+N0*N1+1; |
| 479 |
FaceElement_Nodes[3][kcount]=node0+1; |
| 480 |
FaceElement_Nodes[4][kcount]=node0+N0; |
| 481 |
FaceElement_Nodes[5][kcount]=node0+N0*N1+N0; |
| 482 |
FaceElement_Nodes[6][kcount]=node0+N0*N1+N0+1; |
| 483 |
FaceElement_Nodes[7][kcount]=node0+N0+1; |
| 484 |
kcount+=1 |
| 485 |
|
| 486 |
# defining face elements on x1=L face |
| 487 |
for i2 in range (ne2): |
| 488 |
for i0 in range(ne0): |
| 489 |
i1=ne1-1 |
| 490 |
k=i0 + ne0*i1 + ne0*ne1*i2; |
| 491 |
# define corner node (node0) |
| 492 |
node0=i0 + N0*i1 + N0*N1*i2; |
| 493 |
FaceElement_ref[kcount]=kcount |
| 494 |
FaceElement_tag[kcount]=3 |
| 495 |
# for hex8face the face elements are specified by 8 nodes |
| 496 |
FaceElement_Nodes[0][kcount]=node0+N0; |
| 497 |
FaceElement_Nodes[1][kcount]=node0+N0*N1+N0; |
| 498 |
FaceElement_Nodes[2][kcount]=node0+N0*N1+N0+1; |
| 499 |
FaceElement_Nodes[3][kcount]=node0+N0+1; |
| 500 |
FaceElement_Nodes[4][kcount]=node0; |
| 501 |
FaceElement_Nodes[5][kcount]=node0+N0*N1; |
| 502 |
FaceElement_Nodes[6][kcount]=node0+N0*N1+1; |
| 503 |
FaceElement_Nodes[7][kcount]=node0+1; |
| 504 |
kcount+=1 |
| 505 |
|
| 506 |
# defining face elements on x0=0 face |
| 507 |
for i2 in range (ne2): |
| 508 |
for i1 in range(ne1): |
| 509 |
i0=0 |
| 510 |
k=i0 + ne0*i1 + ne0*ne1*i2; |
| 511 |
# define corner node (node0) |
| 512 |
node0=i0 + N0*i1 + N0*N1*i2; |
| 513 |
FaceElement_ref[kcount]=kcount |
| 514 |
FaceElement_tag[kcount]=3 |
| 515 |
# for hex8face the face elements are specified by 8 nodes |
| 516 |
FaceElement_Nodes[0][kcount]=node0; |
| 517 |
FaceElement_Nodes[1][kcount]=node0+N0; |
| 518 |
FaceElement_Nodes[2][kcount]=node0+N0*N1+N0; |
| 519 |
FaceElement_Nodes[3][kcount]=node0+N0*N1; |
| 520 |
FaceElement_Nodes[4][kcount]=node0+1; |
| 521 |
FaceElement_Nodes[5][kcount]=node0+N0+1; |
| 522 |
FaceElement_Nodes[6][kcount]=node0+N0*N1+N0+1; |
| 523 |
FaceElement_Nodes[7][kcount]=node0+N0*N1+1; |
| 524 |
kcount+=1 |
| 525 |
|
| 526 |
# defining face elements on x0=L face |
| 527 |
for i2 in range (ne2): |
| 528 |
for i1 in range(ne1): |
| 529 |
i0=ne1-1 |
| 530 |
k=i0 + ne0*i1 + ne0*ne1*i2; |
| 531 |
# define corner node (node0) |
| 532 |
node0=i0 + N0*i1 + N0*N1*i2; |
| 533 |
FaceElement_ref[kcount]=kcount |
| 534 |
FaceElement_tag[kcount]=3 |
| 535 |
# for hex8face the face elements are specified by 8 nodes |
| 536 |
FaceElement_Nodes[0][kcount]=node0+1; |
| 537 |
FaceElement_Nodes[1][kcount]=node0+N0+1; |
| 538 |
FaceElement_Nodes[2][kcount]=node0+N0*N1+N0+1; |
| 539 |
FaceElement_Nodes[3][kcount]=node0+N0*N1+1; |
| 540 |
FaceElement_Nodes[4][kcount]=node0; |
| 541 |
FaceElement_Nodes[5][kcount]=node0+N0; |
| 542 |
FaceElement_Nodes[6][kcount]=node0+N0*N1+N0; |
| 543 |
FaceElement_Nodes[7][kcount]=node0+N0*N1; |
| 544 |
kcount+=1 |
| 545 |
|
| 546 |
|
| 547 |
|
| 548 |
|
| 549 |
for i in range(FaceElement_Num): |
| 550 |
meshfaultL.write("%d %d"%(FaceElement_ref[i],FaceElement_tag[i])) |
| 551 |
for j in range(FaceElement_numNodes): |
| 552 |
meshfaultL.write(" %d"%FaceElement_Nodes[j][i]) |
| 553 |
meshfaultL.write("\n") |
| 554 |
|
| 555 |
|
| 556 |
# contact elements |
| 557 |
ContactElement_Type='Hex8Face_Contact' |
| 558 |
ContactElement_Num=0 |
| 559 |
ContactElement_numNodes=16 |
| 560 |
# print contact elements on fault |
| 561 |
if contact==True: |
| 562 |
if n0double==0: |
| 563 |
ContactElement_Num=(n1double)*(n2double) |
| 564 |
ContactElement_Nodes=zeros([ContactElement_numNodes,ContactElement_Num],Float) |
| 565 |
ContactElement_ref=zeros(ContactElement_Num,Float) |
| 566 |
ContactElement_tag=zeros(ContactElement_Num,Float) |
| 567 |
#print ContactElement_Num |
| 568 |
|
| 569 |
for i2 in range(n2double): |
| 570 |
for i1 in range(n1double): |
| 571 |
k=i1+(n1double)*i2 |
| 572 |
#print k |
| 573 |
# define reference for interior elements with x0<=x0s |
| 574 |
# here the nodes are the old interior nodes |
| 575 |
kintold=int((i0start-1) + ne0*(i1start+i1) + ne0*ne1*(i2start+i2)) |
| 576 |
|
| 577 |
# define reference for interior elements with x0>x0s |
| 578 |
# here the double nodes are the fault nodes |
| 579 |
|
| 580 |
kintfault=int(i0start + ne0*(i1start+i1) + ne0*ne1*(i2start+i2)) |
| 581 |
|
| 582 |
#nodecheck=int(Element_Nodes[1][kintold] ) |
| 583 |
#print nodecheck, Node[0][nodecheck],Node[1][nodecheck],Node[2][nodecheck] |
| 584 |
#nodecheck=int(Element_Nodes[0][kintfault] ) |
| 585 |
#print nodecheck, Node[0][nodecheck],Node[1][nodecheck],Node[2][nodecheck] |
| 586 |
|
| 587 |
#nodecheck=int(Element_Nodes[2][kintold] ) |
| 588 |
#print nodecheck, Node[0][nodecheck],Node[1][nodecheck],Node[2][nodecheck] |
| 589 |
#nodecheck=int(Element_Nodes[3][kintfault] ) |
| 590 |
#print nodecheck, Node[0][nodecheck],Node[1][nodecheck],Node[2][nodecheck] |
| 591 |
|
| 592 |
#nodecheck=int(Element_Nodes[6][kintold] ) |
| 593 |
#print nodecheck, Node[0][nodecheck],Node[1][nodecheck],Node[2][nodecheck] |
| 594 |
#nodecheck=int(Element_Nodes[7][kintfault] ) |
| 595 |
#print nodecheck, Node[0][nodecheck],Node[1][nodecheck],Node[2][nodecheck] |
| 596 |
|
| 597 |
#nodecheck=int(Element_Nodes[5][kintold] ) |
| 598 |
#print nodecheck, Node[0][nodecheck],Node[1][nodecheck],Node[2][nodecheck] |
| 599 |
#nodecheck=int(Element_Nodes[4][kintfault] ) |
| 600 |
#print nodecheck, Node[0][nodecheck],Node[1][nodecheck],Node[2][nodecheck] |
| 601 |
|
| 602 |
ContactElement_ref[k]=k |
| 603 |
ContactElement_tag[k]=2 |
| 604 |
|
| 605 |
ContactElement_Nodes[0][k]=Element_Nodes[1][kintold] |
| 606 |
ContactElement_Nodes[1][k]=Element_Nodes[2][kintold] |
| 607 |
ContactElement_Nodes[2][k]=Element_Nodes[6][kintold] |
| 608 |
ContactElement_Nodes[3][k]=Element_Nodes[5][kintold] |
| 609 |
ContactElement_Nodes[4][k]=Element_Nodes[0][kintold] |
| 610 |
ContactElement_Nodes[5][k]=Element_Nodes[3][kintold] |
| 611 |
ContactElement_Nodes[6][k]=Element_Nodes[7][kintold] |
| 612 |
ContactElement_Nodes[7][k]=Element_Nodes[4][kintold] |
| 613 |
|
| 614 |
ContactElement_Nodes[8][k]=Element_Nodes[0][kintfault] |
| 615 |
ContactElement_Nodes[9][k]=Element_Nodes[3][kintfault] |
| 616 |
ContactElement_Nodes[10][k]=Element_Nodes[7][kintfault] |
| 617 |
ContactElement_Nodes[11][k]=Element_Nodes[4][kintfault] |
| 618 |
ContactElement_Nodes[12][k]=Element_Nodes[1][kintfault] |
| 619 |
ContactElement_Nodes[13][k]=Element_Nodes[2][kintfault] |
| 620 |
ContactElement_Nodes[14][k]=Element_Nodes[6][kintfault] |
| 621 |
ContactElement_Nodes[15][k]=Element_Nodes[5][kintfault] |
| 622 |
|
| 623 |
meshfaultL.write("%s %d\n"%(ContactElement_Type,ContactElement_Num)) |
| 624 |
|
| 625 |
for i in range(ContactElement_Num): |
| 626 |
meshfaultL.write("%d %d"%(ContactElement_ref[i],ContactElement_tag[i])) |
| 627 |
for j in range(ContactElement_numNodes): |
| 628 |
meshfaultL.write(" %d"%ContactElement_Nodes[j][i]) |
| 629 |
meshfaultL.write("\n") |
| 630 |
|
| 631 |
# point sources (not supported yet) |
| 632 |
|
| 633 |
meshfaultL.write("Point1 0") |
| 634 |
|
| 635 |
|
| 636 |
|
| 637 |
meshfaultL.close() |
| 638 |
|
| 639 |
|
| 640 |
ne_w=int((ne/height)*width+0.5) |
| 641 |
mydomainfile = faultL(width,width, height,ne, ne, ne_w,contact=True,xstart=fstart,xend=fend) |
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