l12=Line(p1, p2)
l23=Line(p2, p3)
l30=Line(p3, p0)
c=CurveLoop(l01, l12, l23, l30)
# A small triangular cutout
x0=Point(0.1, 0.1, 0.0)
x1=Point(0.5, 0.1, 0.0)
x2=Point(0.5, 0.2, 0.0)
x01=Line(x0, x1)
x12=Line(x1, x2)
x20=Line(x2, x0)
cutout=CurveLoop(x01, x12, x20)
# Create the surface with cutout
s=PlaneSurface(c, holes=[cutout])
# Create a Design which can make the mesh
d=Design(dim=2, element_size=0.05)
# Add the trapezoid with cutout
d.addItems(s)
# Create the geometry, mesh and Escript domain
d.setScriptFileName("trapezoid.geo")
d.setMeshFileName("trapezoid.msh")
domain=MakeDomain(d, integrationOrder=-1, reducedIntegrationOrder=-1, optimizeLabeling=True)
# Create a file that can be read back in to python with
domain.write("trapezoid.fly")
bblockr = PlaneSurface(bblockloopr)
#############################################EXPORTING MESH FOR ESCRIPT
# Create a Design which can make the mesh
d = Design(dim=2, element_size=200)
# Add the subdomains and flux boundaries.
d.addItems(PropertySet("top",tblock),\
PropertySet("bottomleft",bblockl),\
PropertySet("bottomright",bblockr),\
PropertySet("linebottom",bbll2, bbrl1))
# Create the geometry, mesh and Escript domain
d.setScriptFileName(os.path.join(save_path, "example06.geo"))
d.setMeshFileName(os.path.join(save_path, "example06.msh"))
domain = MakeDomain(d)
print("Domain has been generated ...")
# set up kappa (thermal conductivity across domain) using tags
kappa = Scalar(0, Function(domain))
kappa.setTaggedValue("top", 2.0)
kappa.setTaggedValue("bottomleft", 10.0)
kappa.setTaggedValue("bottomright", 6.0)
##############################################################SOLVE PDE
mypde = LinearPDE(domain)
mypde.getSolverOptions().setVerbosityOn()
mypde.setSymmetryOn()
mypde.setValue(A=kappa * kronecker(domain))
x = Solution(domain).getX()
mypde.setValue(q=whereZero(x[1] - sup(x[1])), r=Ttop)
qS = Scalar(0, FunctionOnBoundary(domain))
bblock = PlaneSurface(bblockloop)
#clockwise check as splines must be set as polygons in the point order
#they were created. Otherwise get a line across plot.
bblockloop2 = CurveLoop(mysp, Line(x2, p2), Line(p2, p1), Line(p1, x1))
################################################CREATE MESH FOR ESCRIPT
# Create a Design which can make the mesh
d = Design(dim=2, element_size=dx, order=2)
# Add the subdomains and flux boundaries.
d.addItems(PropertySet("top",tblock),PropertySet("bottom",bblock),\
PropertySet("linetop",l30))
# Create the geometry, mesh and Escript domain
d.setScriptFileName(os.path.join(save_path, "example08c.geo"))
d.setMeshFileName(os.path.join(save_path, "example08c.msh"))
domain = MakeDomain(d, optimizeLabeling=True)
x = domain.getX()
print("Domain has been generated ...")
lam = Scalar(0, Function(domain))
lam.setTaggedValue("top", lam1)
lam.setTaggedValue("bottom", lam2)
mu = Scalar(0, Function(domain))
mu.setTaggedValue("top", mu1)
mu.setTaggedValue("bottom", mu2)
rho = Scalar(0, Function(domain))
rho.setTaggedValue("top", rho1)
rho.setTaggedValue("bottom", rho2)
##########################################################ESTABLISH PDE
mypde = LinearPDE(domain) # create pde
l45 = Line(p4, p5)
l56 = Line(p5, p6)
l67 = Line(p6, p7)
l74 = Line(p7, p4)
csmall = CurveLoop(l45, l56, l67, l74)
ssmall = PlaneSurface(csmall)
sbig = PlaneSurface(cbig, holes=[csmall])
#############################################EXPORTING MESH FOR ESCRIPT
# Design the geometry for the big mesh.
d1 = Design(dim=2, element_size=bele_size, order=1)
d1.addItems(sbig)
d1.addItems(PropertySet(l01, l12, l23, l30))
d1.setScriptFileName(os.path.join(save_path, "example10m_big.geo"))
MakeDomain(d1)
# Design the geometry for the small mesh.
d2 = Design(dim=2, element_size=sele_size, order=1)
d2.addItems(ssmall)
d2.setScriptFileName(os.path.join(save_path, "example10m_small.geo"))
MakeDomain(d2)
# Join the two meshes using Gmsh and then apply a 2D meshing algorithm.
# The small mesh must come before the big mesh in the merging call!!@!!@!
sp.call("gmsh -2 " + os.path.join(save_path, "example10m_small.geo") +
" " + os.path.join(save_path, "example10m_big.geo") + " -o " +
os.path.join(save_path, "example10m.msh"),
shell=True)
l01 = Line(p0, p1)
l13 = Line(p1, p3)
l32 = Line(p3, p2)
l20 = Line(p2, p0)
l45 = Line(p4, p5)
l57 = Line(p5, p7)
l76 = Line(p7, p6)
l64 = Line(p6, p4)
l15 = Line(p1, p5)
l40 = Line(p4, p0)
l37 = Line(p3, p7)
l62 = Line(p6, p2)
bottom = PlaneSurface(-CurveLoop(l01, l13, l32, l20))
top = PlaneSurface(CurveLoop(l45, l57, l76, l64))
front = PlaneSurface(CurveLoop(l01, l15, -l45, l40))
back = PlaneSurface(CurveLoop(l32, -l62, -l76, -l37))
left = PlaneSurface(CurveLoop(-l40, -l64, l62, l20))
right = PlaneSurface(CurveLoop(-l15, l13, l37, -l57))
v = Volume(SurfaceLoop(top, bottom, front, back, left, right))
des.addItems(v, PropertySet("subduction", left))
des.setScriptFileName("sub.geo")
des.setMeshFileName("sub.msh")
dom = MakeDomain(des, useMacroElements=True)
dom.write("sub.fly")
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", "example11")
mkDir(save_path)
################################################ESTABLISHING PARAMETERS
#Model Parameters
xwidth = 500.0 #x width of model
ywidth = 500.0 #y width of model
depth = 250.0 #depth of model
element_size = 5.0
intfaces = [50, 100, 200, 250]
#Specify the domain.
domaindes = Design(dim=3, element_size=element_size, order=1)
cmplx_domain = layer_cake(domaindes, xwidth, ywidth, intfaces)
cmplx_domain.setScriptFileName(os.path.join(save_path, "example11lc.geo"))
cmplx_domain.setMeshFileName(os.path.join(save_path, "example11lc.msh"))
dcmplx = MakeDomain(cmplx_domain)
dcmplx.write(os.path.join(save_path, "example11lc.fly"))
l01 = Line(p0, p1)
l13 = Line(p1, p3)
l32 = Line(p3, p2)
l20 = Line(p2, p0)
l45 = Line(p4, p5)
l57 = Line(p5, p7)
l76 = Line(p7, p6)
l64 = Line(p6, p4)
l15 = Line(p1, p5)
l40 = Line(p4, p0)
l37 = Line(p3, p7)
l62 = Line(p6, p2)
bottom = PlaneSurface(-CurveLoop(l01, l13, l32, l20))
top = PlaneSurface(CurveLoop(l45, l57, l76, l64))
front = PlaneSurface(CurveLoop(l01, l15, -l45, l40))
back = PlaneSurface(CurveLoop(l32, -l62, -l76, -l37))
left = PlaneSurface(CurveLoop(-l40, -l64, l62, l20))
right = PlaneSurface(CurveLoop(-l15, l13, l37, -l57))
v = Volume(SurfaceLoop(top, bottom, front, back, left, right))
des = Design(dim=3, order=2, element_size=0.1, keep_files=True)
des.setScriptFileName("brick.geo")
des.addItems(v, top, bottom, back, front, left, right)
dom = MakeDomain(des)
dom.write("brick.fly")
:var __url__: url entry point on documentation :var __version__: version :var __date__: date of the version """ __author__ = "Lutz Gross, [email protected]" from esys.pycad import * from esys.pycad.gmsh import Design from esys.finley import MakeDomain p0 = Point(0., 0., 0., local_scale=0.01) p1 = Point(1., 0., 0.) p2 = Point(1., 1., 0.) p3 = Point(0., 1., 0.) l01 = Line(p0, p1) l12 = Line(p1, p2) l23 = Line(p2, p3) l23.setElementDistribution(20) l30 = Line(p3, p0) c = CurveLoop(l01, l12, l23, l30) s = PlaneSurface(c) d = Design(dim=2, element_size=0.3) d.setScriptFileName("refine.geo") d.setMeshFileName("refine.msh") d.addItems(s) dom = MakeDomain(d) dom.write("refine.fly")
def getMesh(NE_X, NE_Y, t, d, o, fullOrder, r, l_X):
if t == "Hex":
if d == 2:
dom = Rectangle(n0=NE_X,
n1=NE_Y,
l0=l_X,
order=o,
useFullElementOrder=fullOrder,
useElementsOnFace=r,
optimize=True)
else:
Brick()
dom = Brick(n0=NE_X,
n1=NE_Y,
n2=NE_Y,
l0=l_X,
order=o,
useFullElementOrder=fullOrder,
useElementsOnFace=r,
optimize=True)
else:
des = Design(dim=d,
order=o,
element_size=min(l_X / max(3, NE_X), 1. / max(3, NE_Y)),
keep_files=True)
des.setScriptFileName("tester.geo")
if d == 2:
p0 = Point(0., 0.)
p1 = Point(l_X, 0.)
p2 = Point(l_X, 1.)
p3 = Point(0., 1.)
l01 = Line(p0, p1)
l12 = Line(p1, p2)
l23 = Line(p2, p3)
l30 = Line(p3, p0)
s = PlaneSurface(CurveLoop(l01, l12, l23, l30))
des.addItems(s, l01, l12, l23, l30)
else:
p000 = Point(0., 0., 0.)
p100 = Point(l_X, 0., 0.)
p010 = Point(0., 1., 0.)
p110 = Point(l_X, 1., 0.)
p001 = Point(0., 0., 1.)
p101 = Point(l_X, 0., 1.)
p011 = Point(0., 1., 1.)
p111 = Point(l_X, 1., 1.)
l10 = Line(p000, p100)
l20 = Line(p100, p110)
l30 = Line(p110, p010)
l40 = Line(p010, p000)
l11 = Line(p000, p001)
l21 = Line(p100, p101)
l31 = Line(p110, p111)
l41 = Line(p010, p011)
l12 = Line(p001, p101)
l22 = Line(p101, p111)
l32 = Line(p111, p011)
l42 = Line(p011, p001)
bottom = PlaneSurface(-CurveLoop(l10, l20, l30, l40))
top = PlaneSurface(CurveLoop(l12, l22, l32, l42))
front = PlaneSurface(CurveLoop(l10, l21, -l12, -l11))
back = PlaneSurface(CurveLoop(l30, l41, -l32, -l31))
left = PlaneSurface(CurveLoop(l11, -l42, -l41, l40))
right = PlaneSurface(CurveLoop(-l21, l20, l31, -l22))
vol = Volume(SurfaceLoop(bottom, top, front, back, left, right))
des.addItems(vol)
dom = MakeDomain(des)
return dom
# 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:
