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##############################################################################
#
# Copyright (c) 2009-2018 by The University of Queensland
# http://www.uq.edu.au
#
# Primary Business: Queensland, Australia
# Licensed under the Apache License, version 2.0
# http://www.apache.org/licenses/LICENSE-2.0
#
# Development until 2012 by Earth Systems Science Computational Center (ESSCC)
# Development 2012-2013 by School of Earth Sciences
# Development from 2014 by Centre for Geoscience Computing (GeoComp)
#
##############################################################################
from __future__ import division, print_function
__copyright__="""Copyright (c) 2009-2018 by The University of Queensland
http://www.uq.edu.au
Primary Business: Queensland, Australia"""
__license__="""Licensed under the Apache License, version 2.0
http://www.apache.org/licenses/LICENSE-2.0"""
__url__="https://launchpad.net/escript-finley"
"""
Author: Antony Hallam antony.hallam@uqconnect.edu.au
"""
############################################################FILE HEADER
# example09n.py
# Create a simple 3D model for use in example09. This is the low res
# mesh for illustration purposes only.
#
#######################################################EXTERNAL MODULES
from esys.pycad import * #domain constructor
from esys.pycad.gmsh import Design #Finite Element meshing package
from esys.escript import mkDir, getMPISizeWorld
import os
import math
try:
# This imports the rectangle domain function
from esys.finley import MakeDomain
HAVE_FINLEY = True
except ImportError:
print("Finley module not available")
HAVE_FINLEY = False
########################################################MPI WORLD CHECK
if getMPISizeWorld() > 1:
import sys
print("This example will not run in an MPI world.")
sys.exit(0)
if HAVE_FINLEY:
# make sure path exists
save_path= os.path.join("data","example09c")
mkDir(save_path)
################################################ESTABLISHING PARAMETERS
#Model Parameters
origin=[0,0] #orign of model
xwidth=300.0 #width of model
depth=-100.0 #depth of model
nintf=3 #number of the interfaces
lintf_depths=[-20,-40,-60] #depth of interfaces
rintf_depths=[-30,-50,-70] #vertical displacement across fault
fault_dip=40.0 #dip of fault plane
fault_atsurface=50.0 #location of fault at surface
fault_width=10 #apparent width of fault plane
element_size=1.
####################################################DOMAIN CONSTRUCTION
x0=0.0+origin[0]
y0=0.0+origin[1]
#z=0.0+origin[2]
fault_atsurface=fault_atsurface+origin[0]
xwidth=xwidth+origin[0]
depth=depth+origin[1]
# Construction points, 4 vectors that descend from the surface with nintf+2 points.
left_edge=[Point(x0,y0)];
leftf_edge=[Point(fault_atsurface,y0)];
rightf_edge=[Point(fault_atsurface+fault_width,y0)];
right_edge=[Point(xwidth,y0)];
for i in range(0,nintf):
left_shift=(lintf_depths[i]-y0)/math.tan(fault_dip)
right_shift=(rintf_depths[i]-y0)/math.tan(fault_dip)
left_edge.append(Point(x0,lintf_depths[i]+origin[1]))
leftf_edge.append(Point(fault_atsurface+left_shift,lintf_depths[i]+origin[1]))
rightf_edge.append(Point(fault_atsurface+right_shift+fault_width,rintf_depths[i]+origin[1]))
right_edge.append(Point(xwidth,rintf_depths[i]+origin[1]))
left_edge.append(Point(x0,depth))
leftf_edge.append(Point(fault_atsurface+(depth-y0)/math.tan(fault_dip),depth))
rightf_edge.append(Point(fault_atsurface+fault_width+(depth-y0)/math.tan(fault_dip),depth))
right_edge.append(Point(xwidth,depth))
#Build lines
lright=[]; nlright=[];
lhright=[]; nlhright=[];
lfright=[]; nlfright=[];
lfhor=[]; nlfhor=[];
lfleft=[]; nlfleft=[];
lhleft=[]; nlhleft=[];
lleft=[]; nlleft=[];
#Build vertical lines
for i in range(0,nintf+1):
lleft.append(Line(left_edge[i],left_edge[i+1]))
lfleft.append(Line(leftf_edge[i],leftf_edge[i+1]))
lfright.append(Line(rightf_edge[i],rightf_edge[i+1]))
lright.append(Line(right_edge[i],right_edge[i+1]))
#Build horizontal lines
for i in range(0,nintf+2):
lhleft.append(Line(left_edge[i],leftf_edge[i]))
lhright.append(Line(rightf_edge[i],right_edge[i]))
lfhor.append(Line(leftf_edge[0],rightf_edge[0]))
lfhor.append(Line(leftf_edge[nintf+1],rightf_edge[nintf+1]))
#Build negative lines
for i in range(nintf,-1,-1):
nlleft.append(-lleft[i])
nlfleft.append(-lfleft[i])
nlfright.append(-lfright[i])
nlright.append(-lright[i])
for i in range(nintf+1,-1,-1):
nlhleft.append(-lhleft[i])
nlhright.append(-lhright[i])
#Build curveloops
lcurves=[]
fcurves=[]
rcurves=[]
#Fault
for i in range(0,nintf+1):
fcurves.append(lfleft[i])
fcurves.append(lfhor[1])
for i in range(0,nintf+1):
fcurves.append(nlfright[i])
fcurves.append(-lfhor[0])
fcurves=CurveLoop(*tuple(fcurves))
#Left and Right Blocks
for i in range(0,nintf+1):
lcurves.append(CurveLoop(lleft[i],lhleft[i+1],nlfleft[nintf-i],nlhleft[nintf+1-i]))
rcurves.append(CurveLoop(lfright[i],lhright[i+1],nlright[nintf-i],nlhright[nintf+1-i]))
#Build Surfaces
fsurf=PlaneSurface(fcurves)
lsurf=[]
rsurf=[]
for i in range(0,nintf+1):
lsurf.append(PlaneSurface(lcurves[i]))
rsurf.append(PlaneSurface(rcurves[i]))
d=Design(dim=2, element_size=element_size, order=2)
d.addItems(PropertySet('fault',fsurf))
for i in range(0,nintf+1):
d.addItems(PropertySet('lblock%d'%i,lsurf[i]))
d.addItems(PropertySet('rblock%d'%i,rsurf[i]))
d.addItems(PropertySet('top',lhright[0],lfhor[0],lhleft[0],lhright[4],lhleft[4],lfhor[1]))
d.setScriptFileName(os.path.join(save_path,"example09n.geo"))
d.setMeshFileName(os.path.join(save_path,"example09n.msh"))
#
# make the domain:
#
domain=MakeDomain(d)
# mesh=ReadMesh(fileName) this is how to read the fly file into escript
domain.write(os.path.join(save_path,"example09n.fly"))
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