############################################################################## # # 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 # example09m.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.extras import layer_cake from esys.pycad.gmsh import Design #Finite Element meshing package from esys.escript import mkDir, getMPISizeWorld import os import numpy as np 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","example09m") mkDir(save_path) ################################################ESTABLISHING PARAMETERS # Time related variables. testing=True if testing: print('This script is currently optioned for testing..') print("Try changing the testing variable to False for more iterations.") xwidth=40. ywidth=40. depth=20. else: #Model Parameters xwidth=100.0 #x width of model ywidth=100.0 #y width of model depth=50.0 #depth of model intf=depth/2. #Depth of the interface. element_size=4.0 ####################################################DOMAIN CONSTRUCTION # Domain Corners p0=Point(0.0, 0.0, 0.0) p1=Point(xwidth, 0.0, 0.0) p2=Point(xwidth, ywidth, 0.0) p3=Point(0.0, ywidth, 0.0) p4=Point(0.0, ywidth, depth) p5=Point(0.0, 0.0, depth) p6=Point(xwidth, 0.0, depth) p7=Point(xwidth, ywidth, depth) # Join corners in anti-clockwise manner. l01=Line(p0, p1) l12=Line(p1, p2) l23=Line(p2, p3) l30=Line(p3, p0) l56=Line(p5, p6) l67=Line(p6, p7) l74=Line(p7, p4) l45=Line(p4, p5) # Join line segments to create domain boundaries and then surfaces ctop=CurveLoop(l01, l12, l23, l30); stop=PlaneSurface(ctop) cbot=CurveLoop(-l67, -l56, -l45, -l74); sbot=PlaneSurface(cbot) # for each side ip0=Point(0.0, 0.0, intf) ip1=Point(xwidth, 0.0, intf) ip2=Point(xwidth, ywidth, intf) ip3=Point(0.0, ywidth, intf) linte_ar=[]; #lines for vertical edges linhe_ar=[]; #lines for horizontal edges linte_ar.append(Line(p0,ip0)) linte_ar.append(Line(ip0,p5)) linte_ar.append(Line(p1,ip1)) linte_ar.append(Line(ip1,p6)) linte_ar.append(Line(p2,ip2)) linte_ar.append(Line(ip2,p7)) linte_ar.append(Line(p3,ip3)) linte_ar.append(Line(ip3,p4)) linhe_ar.append(Line(ip0,ip1)) linhe_ar.append(Line(ip1,ip2)) linhe_ar.append(Line(ip2,ip3)) linhe_ar.append(Line(ip3,ip0)) cintfa_ar=[]; cintfb_ar=[] #curveloops for above and below interface on sides cintfa_ar.append(CurveLoop(linte_ar[0],linhe_ar[0],-linte_ar[2],-l01)) cintfa_ar.append(CurveLoop(linte_ar[2],linhe_ar[1],-linte_ar[4],-l12)) cintfa_ar.append(CurveLoop(linte_ar[4],linhe_ar[2],-linte_ar[6],-l23)) cintfa_ar.append(CurveLoop(linte_ar[6],linhe_ar[3],-linte_ar[0],-l30)) cintfb_ar.append(CurveLoop(linte_ar[1],l56,-linte_ar[3],-linhe_ar[0])) cintfb_ar.append(CurveLoop(linte_ar[3],l67,-linte_ar[5],-linhe_ar[1])) cintfb_ar.append(CurveLoop(linte_ar[5],l74,-linte_ar[7],-linhe_ar[2])) cintfb_ar.append(CurveLoop(linte_ar[7],l45,-linte_ar[1],-linhe_ar[3])) sintfa_ar=[PlaneSurface(cintfa_ar[i]) for i in range(0,4)] sintfb_ar=[PlaneSurface(cintfb_ar[i]) for i in range(0,4)] sintf=PlaneSurface(CurveLoop(*tuple(linhe_ar))) vintfa=Volume(SurfaceLoop(stop,-sintf,*tuple(sintfa_ar))) vintfb=Volume(SurfaceLoop(sbot,sintf,*tuple(sintfb_ar))) #############################################EXPORTING MESH FOR ESCRIPT # Create a Design which can make the mesh d=Design(dim=3, element_size=element_size, order=2) d.addItems(PropertySet('vintfa',vintfa)) d.addItems(PropertySet('vintfb',vintfb)) d.addItems(PropertySet('stop',stop)) d.addItems(PropertySet('sbot',sbot)) d.setScriptFileName(os.path.join(save_path,"example09m.geo")) d.setMeshFileName(os.path.join(save_path,"example09m.msh")) if testing: d.setOptions(optimize_quality=0) # # make the domain: # domain=MakeDomain(d) # Create a file that can be read back in to python with # mesh=ReadMesh(fileName) domain.write(os.path.join(save_path,"example09m.fly")) if testing: intfaces=np.array([10,30,50,55,80,100,200,250,400])/100. else: intfaces=np.array([10,30,50,55,80,100,200,250,400])/10. # Specify the domain. domaindes=Design(dim=3,element_size=element_size,order=2) cmplx_domain=layer_cake(domaindes,xwidth,ywidth,intfaces) cmplx_domain.setScriptFileName(os.path.join(save_path,"example09lc.geo")) cmplx_domain.setMeshFileName(os.path.join(save_path,"example09lc.msh")) if testing: cmplx_domain.setOptions(optimize_quality=0) dcmplx=MakeDomain(cmplx_domain) dcmplx.write(os.path.join(save_path,"example09lc.fly"))