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##############################################################################
#
# Copyright (c) 2003-2018 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) 2003-2018 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"
from esys.escript import *
from esys.pycad import *
from esys.pycad.gmsh import Design
from esys.escript.unitsSI import *
from math import tan
import os
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
#the folder to put our outputs in, leave blank "" for script path
save_path= os.path.join("data","example10")
#
# input data:
#
width=5*km
length=5*km
depth=2*km
fault_w_front=200*m
fault_w_back=200*m
fault_mid_front=2*km
fault_mid_back=4*km
fault_dip_front=30*DEG
fault_dip_back=30*DEG
layers_left_at_front=[ [ 'limestone' , 1100*m ] , [ 'xx' , 150*m ] ,['shale',300*m], [ 'limestone' ] ]
layers_right_at_front=[ [ 'limestone' , 500*m ], [ 'xx' , 150*m ],['shale',300*m], ['limestone' ] ]
slop=2*DEG
#
# ====================================================================================
#
def setOffsetsFromThickness(layers):
l=0
offsets=[]
for n in layers:
if len(n)<2:
d=depth-l
if depth-l <=0:
raise "Layer structure is too thick. Increase depth > %e"%l
else:
d=n[1]
l+=d
offsets.append([ n[0], -(l-d), d, -l ])
return offsets
def setVerticalPositionsFromDip(layers, dip):
offsets=[]
s=1/tan(90*DEG-dip)
for n in layers:
name=n[0]
top=n[1]
d=n[2]
bot=n[3]
offsets.append([ name, top, s*top, d, bot, s*bot ] )
return offsets
def setBackLayers(layers, slop, dip):
if layers[0][3]-tan(slop)*length <=0:
raise ValueError("negative thickness in %s at back"%(layers[0][0],))
out=[[ layers[0][0], layers[0][3]-tan(slop)*length ]]
for i in range(1,len(layers)-1): out.append([layers[i][0], layers[i][3] ])
out.append([ layers[-1][0] ])
out=setOffsetsFromThickness(out)
return setVerticalPositionsFromDip(out, dip)
def getCutLine(p0,layers,offset=True):
out=[ ]
p=p0
for n in layers:
if offset:
p1,p = p, Point(p0.getCoordinates()[0]+n[5],p0.getCoordinates()[1],p0.getCoordinates()[2]+n[4])
else:
p1,p = p, Point(p0.getCoordinates()[0],p0.getCoordinates()[1],p0.getCoordinates()[2]+n[4])
out.append(Line(p1,p))
return out
def getBackLine(front, back):
out = [ Line(front[0].getStartPoint(), back[0].getStartPoint()) ]
for i in range(len(front)):
out.append(Line(front[i].getEndPoint(), back[i].getEndPoint()))
return out
def getCrossLine(left, right):
return getBackLine(left,right)
def addVolume(front_left, back_left, front_right, back_right, PS, FF, map, filter_left=False):
front_to_back_left = getBackLine(front_left , back_left)
front_to_back_right = getBackLine(front_right , back_right)
front_left_to_right= getCrossLine(front_left, front_right)
back_left_to_right= getCrossLine(back_left, back_right)
#if filter_left:
# out1=front_to_back_left[0]
# out2=front_to_back_left[-1]
#else:
out1=front_to_back_right[0]
out2=front_to_back_right[-1]
topface=PlaneSurface(CurveLoop(front_left_to_right[0], front_to_back_right[0], -back_left_to_right[0], -front_to_back_left[0]))
for i in range(len(map)):
name=map[i][0]
face2=PlaneSurface(CurveLoop(front_left_to_right[i+1], front_to_back_right[i+1], -back_left_to_right[i+1], -front_to_back_left[i+1]))
face_front=PlaneSurface(CurveLoop(front_left_to_right[i+1], -front_right[i], -front_left_to_right[i], front_left[i]))
face_back=PlaneSurface(CurveLoop(back_left_to_right[i+1], -back_right[i], -back_left_to_right[i], back_left[i]))
face_left=PlaneSurface(CurveLoop(front_left[i], front_to_back_left[i+1], -back_left[i], -front_to_back_left[i]))
face_right=PlaneSurface(CurveLoop(front_right[i], front_to_back_right[i+1], -back_right[i], -front_to_back_right[i]))
v=Volume(SurfaceLoop(topface,-face2, face_front, -face_back, -face_left, face_right))
print(v)
topface=face2
if filter_left:
FF.append(face_right)
else:
FF.append(-face_right)
if name not in PS: PS[name]=PropertySet(name)
PS[name].addItem(v)
return out1, out2, PS, FF
if HAVE_FINLEY:
layers_left_at_edge_at_front=setOffsetsFromThickness(layers_left_at_front)
layers_right_at_edge_at_front=setOffsetsFromThickness(layers_right_at_front)
layers_left_at_front=setVerticalPositionsFromDip(layers_left_at_edge_at_front, fault_dip_front)
layers_right_at_front=setVerticalPositionsFromDip(layers_right_at_edge_at_front, fault_dip_front)
layers_left_at_back=setBackLayers(layers_left_at_front, slop, fault_dip_back)
layers_right_at_back=setBackLayers(layers_right_at_front, slop, fault_dip_back)
left_front_edge=getCutLine(Point(0.,0.,0.), layers_left_at_front, offset=False)
left_front_fault=getCutLine(Point(fault_mid_front-fault_w_front/2,0.,0.), layers_left_at_front, offset=True)
right_front_fault=getCutLine(Point(fault_mid_front+fault_w_front/2,0.,0.), layers_right_at_front, offset=True)
right_front_edge=getCutLine(Point(width,0.,0.), layers_right_at_front, offset=False)
left_back_edge=getCutLine(Point(0.,length,0.), layers_left_at_back, offset=False)
left_back_fault=getCutLine(Point(fault_mid_back-fault_w_back/2,length,0.), layers_left_at_back, offset=True)
right_back_fault=getCutLine(Point(fault_mid_back+fault_w_back/2,length,0.), layers_right_at_back, offset=True)
right_back_edge=getCutLine(Point(width,length,0.), layers_right_at_back, offset=False)
PS={}
FF=[]
front_to_back_left_top, front_to_back_left_bot, PS, FF=addVolume(left_front_edge, left_back_edge, left_front_fault, left_back_fault, PS, FF, layers_left_at_front, filter_left=False)
front_to_back_right_top, front_to_back_right_bot, PS, FF=addVolume(right_front_edge, right_back_edge, right_front_fault, right_back_fault, PS, FF, layers_right_at_front, filter_left=True)
fault_line_top_front=Line(front_to_back_left_top.getStartPoint(), front_to_back_right_top.getStartPoint())
fault_line_bot_front=Line(front_to_back_left_bot.getStartPoint(), front_to_back_right_bot.getStartPoint())
fault_line_top_back=Line(front_to_back_left_top.getEndPoint(), front_to_back_right_top.getEndPoint())
fault_line_bot_back=Line(front_to_back_left_bot.getEndPoint(), front_to_back_right_bot.getEndPoint())
FF.append(PlaneSurface(CurveLoop(front_to_back_left_top,fault_line_top_back,-front_to_back_right_top,-fault_line_top_front)))
FF.append(-PlaneSurface(CurveLoop(front_to_back_left_bot,fault_line_bot_back,-front_to_back_right_bot,-fault_line_bot_front)))
FF.append(PlaneSurface(CurveLoop(*tuple([ -fault_line_top_front,fault_line_bot_front ]+left_front_fault+[ -l for l in right_front_fault ]))))
FF.append(-PlaneSurface(CurveLoop(*tuple([ -fault_line_top_back,fault_line_bot_back ]+left_back_fault+[ -l for l in right_back_fault ]))))
# war 120
des=Design(dim=3, order=1, element_size = 400*m, keep_files=True)
des.addItems(*tuple(PS.values()))
des.addItems(PropertySet("fault",Volume(SurfaceLoop( *tuple(FF)))))
des.setMeshFileName(os.path.join(save_path,"fault.msh"))
dom=MakeDomain(des)
dom.write(os.path.join(save_path,"fault.fly"))
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