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libmultiscale/test/python/test_akantu.py
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test_akantu.py
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#!/usr/bin/python3
import pylibmultiscale as lm
import pytest
import numpy as np
import gc
lm.loadModules()
Dim = 3
comm = lm.Communicator.getCommunicator()
comm.reset()
nb_proc = comm.getNumberFreeProcs()
comm.addGroup('md', nb_proc)
fe_group = lm.Communicator.getGroup('fe')
cube = lm.Cube(Dim, 'fe_geom')
cube.params.bbox = [0, 1, 0, 1, 0, 1]
cube.init()
gManager = lm.GeometryManager.getManager()
gManager.reset()
gManager.addGeometry(cube)
print("loaded")
@pytest.fixture
def managers():
yield
lm.FilterManager.destroy()
lm.ActionManager.destroy()
lm.DomainMultiScale.destroy()
def test_create_domain(managers):
dom = lm.DomainAkantu3('fe', fe_group)
with open("material.dat", 'w') as f:
f.write("""
material elastic [
name = steel
rho = 1 # density
E = 1 # young's modulus
nu = 0.3 # poisson's ratio
]
""")
with open("mesh.msh", 'w') as f:
f.write("""
$MeshFormat
4.1 0 8
$EndMeshFormat
$Entities
0 0 0 1
1 0 0 0 1 1 1 0 0
$EndEntities
$Nodes
1 4 1 4
3 1 0 4
1
2
3
4
0 0 0
0 1 0
0 0 1
1 0 0
$EndNodes
$Elements
1 1 1 1
3 1 4 1
1 1 2 3 4
$EndElements
""")
dom.params.material_filename = "material.dat"
dom.params.mesh_filename = "mesh.msh"
dom.params.pbc = [1, 0, 1]
dom.params.domain_geometry = "fe_geom"
dom.params.timestep = 1.
dom.init()
lm.DomainMultiScale.getManager().addObject(dom)
@pytest.fixture
def akantu_domain(managers):
return test_create_domain(managers)
def test_contain_tetrahedron(akantu_domain):
dom = lm.DomainMultiScale.getManager().getObject("fe")
cont = dom.getContainer()
e = cont.getContainerElems().__iter__().__next__()
print(e, e.contains(np.array([1, 0, 0])))
print(e, e.contains(np.array([0.02, 0.02, 0.02])))
print(e, e.contains(np.array([0.5, 0.5, 0.5])))
print(e, e.contains(np.array([0., 0., 0.])))
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