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#############################################################
## ##
## Copyright (c) 2003-2017 by The University of Queensland ##
## Centre for Geoscience Computing ##
## http://earth.uq.edu.au/centre-geoscience-computing ##
## ##
## Primary Business: Brisbane, Queensland, Australia ##
## Licensed under the Open Software License version 3.0 ##
## http://www.apache.org/licenses/LICENSE-2.0 ##
## ##
#############################################################
from __future__ import division
from esys.escript import *
from esys.finley import Rectangle,Brick
from esys.finley import Merge
from esys.lsm.geometry import *
from esys.lsm.util import *
from .MeshToVtkConverter import MeshToVtkConverter
def roundToInt(flt):
return int(round(flt))
class SimpleGougeMesh:
def __init__(
self,
boundingBox1,
boundingBox2,
gridSize,
):
self.bBox1 = boundingBox1
self.bBox2 = boundingBox2
self.gridSize = gridSize
self.mesh = None
def getDim(self):
dim = 3
if (self.bBox1.getMinPt()[2] == self.bBox1.getMaxPt()[2]):
dim = 2
return dim
def getGridPointsPerDim(self):
sizes = (self.bBox1.getSize(), self.bBox2.getSize())
return \
(
list(map(roundToInt, (sizes[0]/self.gridSize).toList())),
list(map(roundToInt, (sizes[1]/self.gridSize).toList()))
)
def generate(self):
(numGridPts1, numGridPts2) = self.getGridPointsPerDim()
periodic0 = True
if (self.getDim() == 2):
mesh1 = \
Rectangle(
numGridPts1[0],
numGridPts1[1],
order=1,
l0=self.bBox1.getSize()[0],
l1=self.bBox1.getSize()[1],
periodic0=periodic0
)
mesh2 = \
Rectangle(
numGridPts2[0],
numGridPts2[1],
order=1,
l0=self.bBox2.getSize()[0],
l1=self.bBox2.getSize()[1],
periodic0=periodic0
)
else:
mesh1 = \
Brick(
numGridPts1[0],
numGridPts1[1],
numGridPts1[2],
order=1,
l0=self.bBox1.getSize()[0],
l1=self.bBox1.getSize()[1],
l2=self.bBox1.getSize()[2],
periodic0=periodic0
)
mesh2 = \
Brick(
numGridPts2[0],
numGridPts2[1],
numGridPts2[2],
order=1,
l0=self.bBox2.getSize()[0],
l1=self.bBox2.getSize()[1],
l2=self.bBox2.getSize()[2],
periodic0=periodic0
)
x1 = mesh1.getX()
x2 = mesh2.getX()
#
# To get the same identical tags on the particle boundary elements
# of both meshes, reflect about the y-axis.
#
x2[1] = -x2[1]
x2[1] += abs(inf(x2[1]))
#
# Now translate the meshes so they correspond to the
# specified bounding boxes.
#
for d in range(0, self.getDim()):
x1[d] += self.bBox1.getMinPt()[d]
x2[d] += self.bBox2.getMinPt()[d]
mesh1.setX(x1)
mesh2.setX(x2)
self.mesh = Merge([mesh1, mesh2])
def write(self, fileName):
self.mesh.write(fileName)
class SimpleGougeConfig:
def __init__(
self,
particleGougePrms,
continuumBlockHeight,
fileNamePrefix="gouge",
gridSize = None
):
self.gougeBlock = GougeBlock(particleGougePrms)
if (gridSize == None):
gridSize = 2.0*particleGougePrms.getMinRadius()
self.gridSize = gridSize
self.continuumHeight = continuumBlockHeight
self.fileNamePrefix = fileNamePrefix
self.meshGenerator = None
def generateDomain(self):
self.gougeBlock.generate()
particleBBox = self.gougeBlock.getDomainBoundingBox()
minPt = particleBBox.getMinPt()
maxPt = particleBBox.getMaxPt()
upperMinPt = Vec3(minPt[0], maxPt[1], minPt[2])
upperMaxPt = maxPt + Vec3(0, self.continuumHeight, 0)
lowerMinPt = minPt - Vec3(0, self.continuumHeight, 0)
lowerMaxPt = Vec3(maxPt[0], minPt[1], maxPt[2])
self.meshGenerator = \
SimpleGougeMesh(
BoundingBox(lowerMinPt, lowerMaxPt),
BoundingBox(upperMinPt, upperMaxPt),
self.gridSize
)
self.meshGenerator.generate()
def getParticleGeometryXmlFileName(self):
return self.fileNamePrefix + "ParticlesVtk.xml"
def getMeshXmlFileName(self):
return self.fileNamePrefix + "MeshVtk.xml"
def getParticleGeometryFileName(self):
return self.fileNamePrefix + ".geo"
def getMeshFileName(self):
return self.fileNamePrefix + ".msh"
def writeVtkXml(self):
self.write()
self.gougeBlock.writeVtkXml(self.getParticleGeometryXmlFileName())
MeshToVtkConverter(self.getMeshFileName(), self.getMeshXmlFileName()).convert()
def write(self):
self.gougeBlock.write(self.getParticleGeometryFileName())
self.meshGenerator.write(self.getMeshFileName())
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