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Use new checkpointing for the mountain examples #380

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Jun 19, 2023
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Use new checkpointing for the mountain examples #380

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10 changes: 5 additions & 5 deletions examples/compressible/mountain_hydrostatic.py
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Original file line number Diff line number Diff line change
Expand Up @@ -32,25 +32,26 @@
# ---------------------------------------------------------------------------- #

# Domain
# Make an normal extruded mesh which will be distorted to describe the mountain
nlayers = res*20 # horizontal layers
columns = res*12 # number of columns
m = PeriodicIntervalMesh(columns, L)

ext_mesh = ExtrudedMesh(m, layers=nlayers, layer_height=H/nlayers)
Vc = VectorFunctionSpace(ext_mesh, "DG", 2)
coord = SpatialCoordinate(ext_mesh)
x = Function(Vc).interpolate(as_vector([coord[0], coord[1]]))

# Describe the mountain
a = 10000.
xc = L/2.
x, z = SpatialCoordinate(ext_mesh)
hm = 1.
zs = hm*a**2/((x-xc)**2 + a**2)

zh = 5000.
xexpr = as_vector([x, conditional(z < zh, z + cos(0.5*pi*z/zh)**6*zs, z)])

# Make new mesh
new_coords = Function(Vc).interpolate(xexpr)
mesh = Mesh(new_coords)
mesh._base_mesh = m # Force new mesh to inherit original base mesh
domain = Domain(mesh, dt, "CG", 1)

# Equation
Expand All @@ -63,7 +64,6 @@
output = OutputParameters(dirname=dirname,
dumpfreq=dumpfreq,
dumplist=['u'],
checkpoint_method='dumbcheckpoint',
log_level='INFO')
diagnostic_fields = [CourantNumber(), VelocityZ(), HydrostaticImbalance(eqns),
Perturbation('theta'), Perturbation('rho')]
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8 changes: 5 additions & 3 deletions examples/compressible/mountain_nonhydrostatic.py
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Original file line number Diff line number Diff line change
Expand Up @@ -33,22 +33,24 @@
# ---------------------------------------------------------------------------- #

# Domain
# Make an normal extruded mesh which will be distorted to describe the mountain
m = PeriodicIntervalMesh(columns, L)
ext_mesh = ExtrudedMesh(m, layers=nlayers, layer_height=H/nlayers)
Vc = VectorFunctionSpace(ext_mesh, "DG", 2)
coord = SpatialCoordinate(ext_mesh)
x = Function(Vc).interpolate(as_vector([coord[0], coord[1]]))

# Describe the mountain
a = 1000.
xc = L/2.
x, z = SpatialCoordinate(ext_mesh)
hm = 1.
zs = hm*a**2/((x-xc)**2 + a**2)

zh = 5000.
xexpr = as_vector([x, conditional(z < zh, z + cos(0.5*pi*z/zh)**6*zs, z)])

# Make new mesh
new_coords = Function(Vc).interpolate(xexpr)
mesh = Mesh(new_coords)
mesh._base_mesh = m # Force new mesh to inherit original base mesh
domain = Domain(mesh, dt, "CG", 1)

# Equation
Expand Down