def setUp(self):
"""
Setup test subject.
"""
from pylith.friction.StaticFriction import StaticFriction
self.friction = StaticFriction()
return
def _initialize(self):
"""
Initialize fault.
"""
dt = 2.4
from spatialdata.units.Nondimensional import Nondimensional
normalizer = Nondimensional()
normalizer._configure()
# Setup mesh
cs = CSCart()
cs.inventory.spaceDim = 2
cs._configure()
from pylith.meshio.MeshIOAscii import MeshIOAscii
importer = MeshIOAscii()
importer.inventory.filename = "data/tri3.mesh"
importer.inventory.coordsys = cs
importer._configure()
mesh = importer.read(debug=False, interpolate=False)
# Setup quadrature
from pylith.feassemble.FIATSimplex import FIATSimplex
cell = FIATSimplex()
cell.inventory.dimension = 1
cell.inventory.degree = 1
cell.inventory.order = 1
cell._configure()
from pylith.feassemble.Quadrature import Quadrature
quadrature = Quadrature()
quadrature.inventory.cell = cell
quadrature._configure()
# Setup rupture info
from spatialdata.spatialdb.SimpleDB import SimpleDB
from spatialdata.spatialdb.SimpleIOAscii import SimpleIOAscii
ioTractions = SimpleIOAscii()
ioTractions.inventory.filename = "data/tri3_initialtractions.spatialdb"
ioTractions._configure()
dbTractions = SimpleDB()
dbTractions.inventory.iohandler = ioTractions
dbTractions.inventory.label = "initial tractions"
dbTractions._configure()
from pylith.faults.TractPerturbation import TractPerturbation
tract = TractPerturbation()
tract.inventory.dbInitial = dbTractions
tract._configure()
ioFriction = SimpleIOAscii()
ioFriction.inventory.filename = "data/tri3_staticfriction.spatialdb"
ioFriction._configure()
dbFriction = SimpleDB()
dbFriction.inventory.iohandler = ioFriction
dbFriction.inventory.label = "friction"
dbFriction._configure()
from pylith.friction.StaticFriction import StaticFriction
friction = StaticFriction()
friction.inventory.label = "Static friction"
friction.inventory.dbProperties = dbFriction
friction._configure()
# Setup fault
fault = FaultCohesiveDyn()
fault.inventory.output.inventory.writer._configure()
fault.inventory.output._configure()
fault.inventory.matId = 10
fault.inventory.faultLabel = "fault"
fault.inventory.upDir = [0, 0, 1]
fault.inventory.faultQuadrature = quadrature
fault.inventory.tract = tract
fault.inventory.friction = friction
fault._configure()
nvertices = fault.numVerticesNoMesh(mesh)
firstFaultVertex = 0
firstLagrangeVertex = nvertices
firstFaultCell = 2 * nvertices
fault.adjustTopology(mesh, firstFaultVertex, firstLagrangeVertex,
firstFaultCell)
from pylith.topology.topology import MeshOps_nondimensionalize
MeshOps_nondimensionalize(mesh, normalizer)
fault.preinitialize(mesh)
fault.timeStep(dt)
fault.verifyConfiguration()
from pyre.units.time import s
fault.initialize(totalTime=0.0 * s,
numTimeSteps=1,
normalizer=normalizer)
# Setup fields
from pylith.topology.SolutionFields import SolutionFields
fields = SolutionFields(mesh)
fields.add("residual", "residual")
fields.add("dispIncr(t->t+dt)", "displacement_increment")
fields.add("disp(t)", "displacement")
fields.add("velocity(t)", "velocity")
fields.solutionName("dispIncr(t->t+dt)")
residual = fields.get("residual")
residual.subfieldAdd("displacement", cs.spaceDim(), residual.VECTOR)
residual.subfieldAdd("lagrange_multiplier", cs.spaceDim(),
residual.VECTOR)
residual.subfieldsSetup()
residual.setupSolnChart()
residual.setupSolnDof(cs.spaceDim())
fault.setupSolnDof(residual)
residual.allocate()
residual.zero()
fields.copyLayout("residual")
return (mesh, fault, fields)
def setUp(self):
"""
Setup test subject.
"""
self.friction = StaticFriction()
return
