def main():
number_of_grid_points = 64
name_of_the_code = 'athena'
model = CalculateLinearWave1D(
number_of_grid_points = number_of_grid_points,
number_of_workers = 1,
name_of_the_code = name_of_the_code,
amplitude = 0.1 | speed,
vflow_factor = 1.0,
grid_length = 1.0 | length,
number_of_steps = 5
)
if not IS_PLOT_AVAILABLE:
return
grids = model.get_solution_at_time(1.0 | time)
rho0 = model.start_grids[0].rho[...,...,0].value_in(density)
rho = grids[0].rho[...,...,0].value_in(density)
drho = rho - rho0
print drho.sum(), rho[0][0], rho0[0][0], drho[0][0]
x = grids[0].x[...,...,0].value_in(length)
y = grids[0].y[...,...,0].value_in(length)
figure = pyplot.figure(figsize=(10,10))
plot = figure.add_subplot(1,1,1, projection='3d')
plot.plot_surface(x, y, drho)
plot.plot_surface(x, y, rho)
figure.savefig('kelvin_helmholtz_{0}_{1}.png'.format(name_of_the_code, number_of_grid_points))
pyplot.show()
def main():
number_of_grid_points = 64
name_of_the_code = 'athena'
model = CalculateLinearWave1D(number_of_grid_points=number_of_grid_points,
number_of_workers=1,
name_of_the_code=name_of_the_code,
amplitude=0.1 | speed,
vflow_factor=1.0,
grid_length=1.0 | length,
number_of_steps=5)
if not IS_PLOT_AVAILABLE:
return
grids = model.get_solution_at_time(1.0 | time)
rho0 = model.start_grids[0].rho[..., ..., 0].value_in(density)
rho = grids[0].rho[..., ..., 0].value_in(density)
drho = rho - rho0
print drho.sum(), rho[0][0], rho0[0][0], drho[0][0]
x = grids[0].x[..., ..., 0].value_in(length)
y = grids[0].y[..., ..., 0].value_in(length)
figure = pyplot.figure(figsize=(10, 10))
plot = figure.add_subplot(1, 1, 1, projection='3d')
plot.plot_surface(x, y, drho)
plot.plot_surface(x, y, rho)
figure.savefig('kelvin_helmholtz_{0}_{1}.png'.format(
name_of_the_code, number_of_grid_points))
pyplot.show()
def main():
number_of_grid_points = 64
name_of_the_code = 'athena'
model1 = CalculateLinearWave1D(
number_of_grid_points = number_of_grid_points,
number_of_workers = 1,
name_of_the_code = name_of_the_code,
amplitude = 1e-1 | speed,
vflow_factor = 1.0,
grid_length = 1.0 | length,
number_of_steps = 5,
use_boundaries = True
)
model2 = CalculateLinearWave1D(
number_of_grid_points = number_of_grid_points,
number_of_workers = 1,
name_of_the_code = name_of_the_code,
amplitude = 1e-1 | speed,
vflow_factor = 1.0,
grid_length = 1.0 | length,
number_of_steps = 5,
use_boundaries = False
)
if not IS_PLOT_AVAILABLE:
return
print "Evolve model with amuse implementing the periodic boundaries"
grids1 = model1.get_solution_at_time(1.0 | time)
print "Evolve model with the code implementing the periodic boundaries"
grids2 = model2.get_solution_at_time(1.0 | time)
rho1 = grids1[0].rho[...,...,0].value_in(density)
rho2 = grids2[0].rho[...,...,0].value_in(density)
drho = rho2 - rho1
print drho.sum(), rho1[0][0], rho2[0][0], drho[0][0]
x = grids1[0].x[...,...,0].value_in(length)
y = grids1[0].y[...,...,0].value_in(length)
figure = pyplot.figure(figsize=(10,5))
plot = figure.add_subplot(1,2,1, projection='3d')
plot.plot_surface(x, y, drho)
plot = figure.add_subplot(1,2,2, projection='3d')
plot.plot_surface(x, y, rho1, color='r')
figure.savefig('kelvin_helmholtz_{0}_{1}.png'.format(name_of_the_code, number_of_grid_points))
pyplot.show()
def main():
number_of_grid_points = 64
name_of_the_code = 'athena'
model1 = CalculateLinearWave1D(number_of_grid_points=number_of_grid_points,
number_of_workers=1,
name_of_the_code=name_of_the_code,
amplitude=1e-1 | speed,
vflow_factor=1.0,
grid_length=1.0 | length,
number_of_steps=5,
use_boundaries=True)
model2 = CalculateLinearWave1D(number_of_grid_points=number_of_grid_points,
number_of_workers=1,
name_of_the_code=name_of_the_code,
amplitude=1e-1 | speed,
vflow_factor=1.0,
grid_length=1.0 | length,
number_of_steps=5,
use_boundaries=False)
if not IS_PLOT_AVAILABLE:
return
print "Evolve model with amuse implementing the periodic boundaries"
grids1 = model1.get_solution_at_time(1.0 | time)
print "Evolve model with the code implementing the periodic boundaries"
grids2 = model2.get_solution_at_time(1.0 | time)
rho1 = grids1[0].rho[..., ..., 0].value_in(density)
rho2 = grids2[0].rho[..., ..., 0].value_in(density)
drho = rho2 - rho1
print drho.sum(), rho1[0][0], rho2[0][0], drho[0][0]
x = grids1[0].x[..., ..., 0].value_in(length)
y = grids1[0].y[..., ..., 0].value_in(length)
figure = pyplot.figure(figsize=(10, 5))
plot = figure.add_subplot(1, 2, 1, projection='3d')
plot.plot_surface(x, y, drho)
plot = figure.add_subplot(1, 2, 2, projection='3d')
plot.plot_surface(x, y, rho1, color='r')
figure.savefig('kelvin_helmholtz_{0}_{1}.png'.format(
name_of_the_code, number_of_grid_points))
pyplot.show()
