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#############################################################
## ##
## Copyright (c) 2007-2017 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 print_function
from gengeo import *
from read_jointset import *
import sys
# An example python script to generate a bonded rectangular prism,
# import joint sets and tag bonds crossing joints
# takes file name of joint set as an argument
# particle properties
minRadius = 0.2
maxRadius = 1.0
#set up joint set
joints=TriPatchSet()
# read joints from file
readJointFileTagSet(joints,sys.argv[1])
# output bounding box of joint set
print("Bounding Box of Joint Set: " , joints.getMinPoint(), joints.getMaxPoint())
# Define region extremities using the bounding box of the joint set
minPoint = joints.getMinPoint()-Vector3(1.0,1.0,1.0)
maxPoint = joints.getMaxPoint()-Vector3(1.0,1.0,1.0)
# Define the volume to be filled with spheres:
box = BoxWithPlanes3D (
minPoint = minPoint,
maxPoint = maxPoint
)
# boundary planes
box.addPlane(Plane(minPoint,Vector3(1.0,0.0,0.0)))
box.addPlane(Plane(minPoint, Vector3(0.0,1.0,0.0)))
box.addPlane(Plane(minPoint, Vector3(0.0,0.0,1.0)))
box.addPlane(Plane(maxPoint, Vector3(-1.0,0.0,0.0)))
box.addPlane(Plane(maxPoint, Vector3(0.0,-1.0,0.0)))
box.addPlane(Plane(maxPoint, Vector3(0.0,0.0,-1.0)))
# Create a multi-group neighbour table to contain the particles:
mntable = MNTable3D (
minPoint = minPoint,
maxPoint = maxPoint,
gridSize = 2.5*maxRadius
)
# Fill the volume with particles:
packer = InsertGenerator3D (
minRadius = minRadius,
maxRadius = maxRadius,
insertFails = 1000,
maxIterations = 1000,
tolerance = 1.0e-6,
seed=42
)
packer.generatePacking(
volume = box,
ntable = mntable,
tag = 2
)
#bonding
tol=1.0e-5
basetag=1 # tag for the "normal" bonds
mntable.generateBondsWithJointSet(joints,0,tol,basetag)
# write a geometry and a VTK file
mntable.write("temp/box_"+str(maxRadius)+".geo",1)
mntable.write("temp/box_"+str(maxRadius)+".vtu",2)
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