def eval_warp(handler, test_name, meshOptions, iscomplex):
# --- Create warping object ---
if iscomplex:
# Checking if the complex verision of the code has been built:
try:
from idwarp import idwarp_cs # noqa: F401
h = 1e-40
mesh = USMesh_C(options=meshOptions, debug=True)
except ImportError:
raise unittest.SkipTest(
"Skipping because you do not have complex idwarp compiled")
else:
try:
from idwarp import idwarp # noqa: F401
mesh = USMesh(options=meshOptions)
except ImportError:
raise unittest.SkipTest(
"Skipping because you do not have real idwarp compiled")
# --- Extract Surface Coordinates ---
coords0 = mesh.getSurfaceCoordinates()
vCoords = mesh.getCommonGrid()
val = MPI.COMM_WORLD.reduce(numpy.sum(vCoords.flatten()), op=MPI.SUM)
handler.root_add_val(f"{test_name} - Sum of vCoords Inital:",
val,
tol=1e-8)
new_coords = coords0.copy()
# --- Setting the coordinates displacement for surface mesh ---
if test_name == "Test_inflate_cube":
# This specific test displaces the surface in every direction
for i in range(len(coords0)):
new_coords[i, 0] *= 1.1
new_coords[i, 1] *= 1.2
new_coords[i, 2] *= 1.3
else:
# Do a shearing sweep deflection:
for i in range(len(coords0)):
span = coords0[i, 2]
new_coords[i, 0] += 0.05 * span
# --- Reset the newly computed surface coordiantes
mesh.setSurfaceCoordinates(new_coords)
mesh.warpMesh()
# --- Get the sum of the warped coordinates ---
vCoords = mesh.getWarpGrid()
val = MPI.COMM_WORLD.reduce(numpy.sum(vCoords.flatten()), op=MPI.SUM)
handler.root_add_val(f"{test_name} - Sum of vCoords Warped:",
val,
tol=1e-8)
# --- Create a dXv vector to do test the mesh warping with ---
dXv_warp = numpy.linspace(0, 1.0, mesh.warp.griddata.warpmeshdof)
if not iscomplex:
# --- Computing Warp Derivatives ---
mesh.warpDeriv(dXv_warp, solverVec=False)
dXs = mesh.getdXs()
val = MPI.COMM_WORLD.reduce(numpy.sum(dXs.flatten()), op=MPI.SUM)
# --- Verifying Warp Deriv ---
mesh.verifyWarpDeriv(dXv_warp, solverVec=False, dofStart=0, dofEnd=5)
else:
# add a complex perturbation on all surface nodes simultaneously:
for i in range(len(coords0)):
new_coords[i, :] += h * 1j
# Reset the newly computed surface coordiantes
mesh.setSurfaceCoordinates(new_coords)
mesh.warpMesh()
vCoords = mesh.getWarpGrid()
deriv = numpy.imag(vCoords) / h
deriv = numpy.dot(dXv_warp, deriv)
val = MPI.COMM_WORLD.reduce(numpy.sum(deriv), op=MPI.SUM)
handler.root_add_val(f"{test_name} - Sum of dxs:", val, tol=1e-8)
def test1():
# Test the Ahmed body openfoam mesh
sys.stdout.flush()
#change directory to the correct test case
os.chdir('./input/ahmedBodyMesh/')
file_name = os.getcwd()
meshOptions = copy.deepcopy(defOpts)
meshOptions.update({
'gridFile': file_name,
'fileType': 'openfoam',
'symmetryPlanes': [[[0, 0, 0], [0, 1, 0]]],
})
# Create warping object
mesh = USMesh(options=meshOptions, debug=True)
# Extract Surface Coordinates
coords0 = mesh.getSurfaceCoordinates()
vCoords = mesh.getCommonGrid()
val = MPI.COMM_WORLD.reduce(numpy.sum(vCoords.flatten()), op=MPI.SUM)
if MPI.COMM_WORLD.rank == 0:
print('Sum of vCoords Inital:')
reg_write(val, 1e-8, 1e-8)
new_coords = coords0.copy()
# Do a stretch:
for i in range(len(coords0)):
length = coords0[i, 2]
new_coords[i, 0] += .05 * length
# Reset the newly computed surface coordiantes
mesh.setSurfaceCoordinates(new_coords)
mesh.warpMesh()
vCoords = mesh.getWarpGrid()
val = MPI.COMM_WORLD.reduce(numpy.sum(vCoords.flatten()), op=MPI.SUM)
if MPI.COMM_WORLD.rank == 0:
print('Sum of vCoords Warped:')
reg_write(val, 1e-8, 1e-8)
# Create a dXv vector to do test the mesh warping with:
dXv_warp = numpy.linspace(0, 1.0, mesh.warp.griddata.warpmeshdof)
if not 'complex' in sys.argv:
if MPI.COMM_WORLD.rank == 0:
print('Computing Warp Deriv')
mesh.warpDeriv(dXv_warp, solverVec=False)
dXs = mesh.getdXs()
val = MPI.COMM_WORLD.reduce(numpy.sum(dXs.flatten()), op=MPI.SUM)
if MPI.COMM_WORLD.rank == 0:
print('Sum of dxs:')
reg_write(val, 1e-8, 1e-8)
else:
# add a complex perturbation on all surface nodes simultaneously:
for i in range(len(coords0)):
new_coords[i, :] += h * 1j
# Reset the newly computed surface coordiantes
mesh.setSurfaceCoordinates(new_coords)
mesh.warpMesh()
vCoords = mesh.getWarpGrid()
deriv = numpy.imag(vCoords) / h
deriv = numpy.dot(dXv_warp, deriv)
val = MPI.COMM_WORLD.reduce(numpy.sum(deriv), op=MPI.SUM)
if MPI.COMM_WORLD.rank == 0:
print('Sum of dxs:')
reg_write(val, 1e-8, 1e-8)
del mesh
#os.system('rm -fr *.cgns *.dat')
#change back to the original directory
os.chdir('../../')
def test3():
# Test the mdo tutorial o mesh
file_name = '../input_files/o_mesh.cgns'
meshOptions = copy.deepcopy(defOpts)
meshOptions.update({'gridFile': file_name, 'fileType': 'cgns'})
# Create warping object
mesh = USMesh(options=meshOptions)
# Extract Surface Coordinates
coords0 = mesh.getSurfaceCoordinates()
vCoords = mesh.getCommonGrid()
val = MPI.COMM_WORLD.reduce(numpy.sum(vCoords.flatten()), op=MPI.SUM)
if MPI.COMM_WORLD.rank == 0:
print('Sum of vCoords Inital:')
reg_write(val, 1e-8, 1e-8)
new_coords = coords0.copy()
# Do a shearing sweep deflection:
for i in range(len(coords0)):
span = coords0[i, 2]
new_coords[i, 0] += .05 * span
# Reset the newly computed surface coordiantes
mesh.setSurfaceCoordinates(new_coords)
mesh.warpMesh()
# Get the sum of the warped coordinates
#vCoords = mesh.getSolverGrid()
vCoords = mesh.getWarpGrid()
val = MPI.COMM_WORLD.reduce(numpy.sum(vCoords.flatten()), op=MPI.SUM)
if MPI.COMM_WORLD.rank == 0:
print('Sum of vCoords Warped:')
reg_write(val, 1e-8, 1e-8)
# Create a dXv vector to do test the mesh warping with:
dXv_warp = numpy.linspace(0, 1.0, mesh.warp.griddata.warpmeshdof)
if not 'complex' in sys.argv:
if MPI.COMM_WORLD.rank == 0:
print('Computing Warp Deriv')
mesh.warpDeriv(dXv_warp, solverVec=False)
dXs = mesh.getdXs()
val = MPI.COMM_WORLD.reduce(numpy.sum(dXs.flatten()), op=MPI.SUM)
if MPI.COMM_WORLD.rank == 0:
print('Sum of dxs:')
reg_write(val, 1e-8, 1e-8)
else:
# add a complex perturbation on all surface nodes simultaneously:
for i in range(len(coords0)):
new_coords[i, :] += h * 1j
# Reset the newly computed surface coordiantes
mesh.setSurfaceCoordinates(new_coords)
mesh.warpMesh()
vCoords = mesh.getWarpGrid()
deriv = numpy.imag(vCoords) / h
deriv = numpy.dot(dXv_warp, deriv)
val = MPI.COMM_WORLD.reduce(numpy.sum(deriv), op=MPI.SUM)
if MPI.COMM_WORLD.rank == 0:
print('Sum of dxs:')
reg_write(val, 1e-8, 1e-8)