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DeformingWall2D: experimental setup.
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@dreamer2368
dreamer2368 committed Dec 20, 2022
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40 changes: 40 additions & 0 deletions examples/DeformingWall2D/UV.4.5v_0msC.txt
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@@ -0,0 +1,40 @@
0.0000000e+00 0.0000000e+00 0.0000000e+00
7.7500000e-01 1.0269702e-01 6.7599471e-04
1.3950000e+00 2.7844396e-01 8.7345091e-04
2.0150000e+00 4.1571953e-01 1.1208973e-03
2.6350000e+00 5.4588182e-01 1.4286481e-03
3.2550000e+00 6.6419449e-01 1.8084931e-03
3.8750000e+00 7.6359723e-01 2.2737388e-03
4.4950000e+00 8.4386860e-01 2.8392028e-03
5.1150000e+00 9.0808872e-01 3.5211488e-03
5.7350000e+00 9.5786920e-01 4.3371504e-03
6.3550000e+00 9.9233047e-01 5.3058712e-03
6.9750000e+00 1.0144638e+00 6.4467533e-03
7.5950000e+00 1.0262109e+00 7.7796048e-03
8.2150000e+00 1.0337019e+00 9.3240832e-03
8.8350000e+00 1.0391355e+00 1.1099077e-02
9.4550000e+00 1.0428803e+00 1.3121991e-02
1.0075000e+01 1.0453558e+00 1.5407945e-02
1.0695000e+01 1.0469143e+00 1.7968915e-02
1.1315000e+01 1.0480733e+00 2.0812828e-02
1.1935000e+01 1.0489944e+00 2.3942664e-02
1.2555000e+01 1.0498121e+00 2.7355583e-02
1.3175000e+01 1.0505113e+00 3.1042137e-02
1.3795000e+01 1.0510102e+00 3.4985603e-02
1.4415000e+01 1.0513859e+00 3.9161494e-02
1.5035000e+01 1.0515183e+00 4.3537278e-02
1.5655000e+01 1.0517174e+00 4.8072357e-02
1.6275000e+01 1.0518798e+00 5.2718335e-02
1.6895000e+01 1.0519059e+00 5.7419590e-02
1.7515000e+01 1.0520611e+00 6.2114160e-02
1.8135000e+01 1.0525543e+00 6.6734939e-02
1.8755000e+01 1.0532225e+00 7.1211159e-02
1.9375000e+01 1.0537087e+00 7.5470107e-02
1.9995000e+01 1.0539957e+00 7.9439043e-02
2.0615000e+01 1.0540580e+00 8.3047234e-02
2.1235000e+01 1.0539087e+00 8.6228031e-02
2.1855000e+01 1.0535182e+00 8.8920909e-02
2.2475000e+01 1.0529715e+00 9.1073378e-02
2.3095000e+01 1.0523842e+00 9.2642683e-02
2.3715000e+01 1.0517568e+00 9.3597217e-02
2.4335000e+01 1.0512911e+00 9.3917575e-02
8 changes: 4 additions & 4 deletions examples/DeformingWall2D/bc.dat
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Expand Up @@ -3,8 +3,8 @@
farField.N SAT_FAR_FIELD 1 -2 1 -1 -1 -1 1 -1
inflow.W SAT_FAR_FIELD 1 1 1 1 1 -1 1 -1
outflow.E SAT_FAR_FIELD 1 -1 -1 -1 1 -1 1 -1
immersed1 IMMERSED_BOUNDARY 1 0 1 -1 1 171 1 -1
sponge.N SPONGE 1 -2 1 -1 -15 -1 1 -1
sponge.W SPONGE 1 1 1 15 1 -1 1 -1
sponge.E SPONGE 1 -1 -15 -1 1 -1 1 -1
immersed1 IMMERSED_BOUNDARY 1 0 1 -1 1 115 1 -1
sponge.N SPONGE 1 -2 1 -1 -10 -1 1 -1
sponge.W SPONGE 1 1 1 10 1 -1 1 -1
sponge.E SPONGE 1 -1 -10 -1 1 -1 1 -1
# targetRegion COST_TARGET 1 2 1 -1 1 1 1 -1
61 changes: 51 additions & 10 deletions examples/DeformingWall2D/config.py
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Expand Up @@ -6,14 +6,16 @@
def mapping_function(x, sigma):
return np.sinh(sigma * x) / np.sinh(sigma)

def grid(size, dip_range, mapping_type='sinh'):
def grid(size, Lx, dip_range, mapping_type='sinh'):
dip_range /= Lx

from scipy.optimize import fsolve
x_min = -10.
x_max = 100.
y_min = 0.
y_max = 25.
z_min = -40.
z_max = 40.
x_min = 0. / Lx
x_max = 180. / Lx
y_min = 0. / Lx
y_max = 30. / Lx
z_min = -40. / Lx
z_max = 40. / Lx
dy_min = 0.016
num_uniform = 7

Expand Down Expand Up @@ -156,10 +158,49 @@ def initial_condition(g, mach_number=1.0 / 343.0, gamma=1.4, Re = 1.16e6):
s.q[0][:,:,:,4] = p
return s.fromprimitive()

def initial_condition_from_exp(g, expFilename, Lx = 5.0, a0 = 343.0, gamma = 1.4, Re = 1.1588e+05):
x = g.xyz[0][:,:,:,0]
y = g.xyz[0][:,:,:,1]

expData = np.loadtxt(expFilename)
ymax = expData[-1, 0] / Lx
uFunc = cubicSplineInterp(expData[:, 0], expData[:, 1])
vtFunc = cubicSplineInterp(expData[:, 0], expData[:, 2])

u0 = uFunc(y * Lx) / a0
v0 = vtFunc(y * Lx) / a0
p = 1.0 / gamma

mask = (y < 0.0)
u0[mask] = 0.0
v0[mask] = 0.0

u0[u0 <= 0.0] = 0.0
v0[v0 <= 0.0] = 0.0
u0[y > ymax] = expData[-1, 1] / a0
v0[y > ymax] = expData[-1, 2] / a0

s = p3d.Solution().copy_from(g).quiescent(gamma)
s.q[0][:,:,:,0] = 1.0
s.q[0][:,:,:,1:4] = 0.0
s.q[0][:,:,:,1] = u0
s.q[0][:,:,:,2] = v0
s.q[0][:,:,:,4] = p
return s.fromprimitive()

if __name__ == '__main__':
dip_range = [0.0, 15.0, 5.0]
g = grid([301, 201], dip_range, mapping_type='geom')
Lx = 5.0 # mm
a0 = 343.0 # m/s
gamma = 1.4
nu0 = 1.48e-5 # m2/s
Re = Lx * 1e-3 * a0 / nu0
print("Reynolds number: %.5E" % Re)
expFile = 'UV.4.5v_0msC.txt'

dip_range = np.array([0.0, 15.0, 7.5])
g = grid([501, 201], Lx, dip_range, mapping_type='geom')
g.save('DeformingWall2D.xyz')
s = initial_condition(g, Re = 23175.7)
s = initial_condition_from_exp(g, expFile, Lx, a0, gamma, Re)
# s = initial_condition(g, mach_number = 0.1, Re = 23175.7)
s.save('DeformingWall2D.ic.q')
s.save('DeformingWall2D.target.q')
14 changes: 7 additions & 7 deletions examples/DeformingWall2D/magudi.inp
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Expand Up @@ -33,7 +33,7 @@ controller_buffer_size = 100
check_gradient_accuracy = false

# Physical constants
Reynolds_number = 23175.7
Reynolds_number = 115878.0
Prandtl_number = 0.7
viscosity_power_law_exponent = 0.0

Expand All @@ -42,9 +42,9 @@ defaults/discretization_scheme = "SBP 3-6"

# Time stepping options
time_step_size = 1.2e-2
number_of_timesteps = 4000
report_interval = 10
save_interval = 200
number_of_timesteps = 1000000
report_interval = 1000
save_interval = 5000

# Artificial dissipation
add_dissipation = true
Expand Down Expand Up @@ -76,9 +76,9 @@ enable_immersed_boundary = true
immersed_boundary/levelset_type = "sinusoidal_wall"
immersed_boundary/dissipation_amount = 1e-3
immersed_boundary/regularization_parameter = 3.0
immersed_boundary/period = 48.0
immersed_boundary/location = 10.0
immersed_boundary/width = 20.0
immersed_boundary/period = 1372.0
immersed_boundary/location = 8.5
immersed_boundary/width = 9.0
immersed_boundary/amplitude = 1.0


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