def test():
sim = Simulation() # Create a simulation object
# Geometry and Model Equations
sim.geomx = 'walls'
sim.geomy = 'walls'
sim.stepper = Step.AB3
sim.method = 'Spectral'
sim.dynamics = 'Nonlinear'
sim.flux_method = Flux.spectral_sw
# Specify paramters
sim.Lx = 4000e3
sim.Ly = 4000e3
sim.Nx = 128
sim.Ny = 128
sim.Nz = 1
sim.g = 9.81
sim.f0 = 1.e-4
sim.beta = 0e-11
sim.cfl = 0.1
sim.Hs = [100.]
sim.rho = [1025.]
sim.end_time = 5. * minute
sim.animate = 'None'
sim.output = False
sim.diagnose = False
# Initialize the grid and zero solutions
sim.initialize()
for ii in range(sim.Nz): # Set mean depths
sim.soln.h[:, :, ii] = sim.Hs[ii]
# Gaussian initial conditions
W = 200.e3 # Width
amp = 1. # Amplitude
sim.soln.h[:, :, 0] += amp * np.exp(-(sim.X / W)**2 - (sim.Y / W)**2)
# Run the simulation
sim.run()
def test():
sim = Simulation() # Create a simulation object
# Geometry and Model Equations
sim.geomx = 'periodic'
sim.geomy = 'periodic'
sim.stepper = Step.AB3
sim.method = 'Spectral'
sim.dynamics = 'Nonlinear'
sim.flux_method = Flux.spectral_sw
# Specify paramters
sim.Lx = 4000e3
sim.Ly = 4000e3
sim.Nx = 128
sim.Ny = 128
sim.Nz = 1
sim.g = 9.81
sim.f0 = 1.e-4
sim.beta = 0e-11
sim.cfl = 0.1
sim.Hs = [100.]
sim.rho = [1025.]
sim.end_time = 5.*minute
sim.animate = 'None'
sim.output = False
sim.diagnose = False
# Initialize the grid and zero solutions
sim.initialize()
for ii in range(sim.Nz): # Set mean depths
sim.soln.h[:,:,ii] = sim.Hs[ii]
# Gaussian initial conditions
W = 200.e3 # Width
amp = 1. # Amplitude
sim.soln.h[:,:,0] += amp*np.exp(-(sim.X/W)**2 - (sim.Y/W)**2)
# Run the simulation
sim.run()
sim.geomx = 'periodic' # Geometry Types: 'periodic' or 'walls'
sim.geomy = 'periodic'
sim.stepper = Step.AB3 # Time-stepping algorithm: Euler, AB2, RK4
sim.method = 'Spectral' # Numerical method: 'Spectral'
sim.dynamics = 'Nonlinear' # Dynamics: 'Nonlinear' or 'Linear'
sim.flux_method = Flux.spectral_sw # Flux method: spectral_sw is only option currently
# Specify paramters
sim.Lx = 4000e3 # Domain extent (m)
sim.Ly = 3000e3 # Domain extent (m)
sim.Nx = 128 # Grid points in x
sim.Ny = 128 # Grid points in y
sim.Nz = 1 # Number of layers
sim.g = 9.81 # Gravity (m/sec^2)
sim.f0 = 1.e-4 # Coriolis (1/sec)
sim.beta = 0e-11 # Coriolis beta parameter (1/m/sec)
sim.cfl = 0.1 # CFL coefficient (m)
sim.Hs = [100.] # Vector of mean layer depths (m)
sim.rho = [1025.] # Vector of layer densities (kg/m^3)
sim.end_time = 2.*24.*hour # End Time (sec)
# Parallel? Only applies to the FFTWs
sim.num_threads = 4
# Plotting parameters
sim.plott = 15.*minute # Period of plots
sim.animate = 'Anim' # 'Save' to create video frames,
# 'Anim' to animate,
# 'None' otherwise
sim.plot_vars = ['h']
#sim.plot_vars = ['vort','div']
sim.geomx = 'periodic' # Geometry Types: 'periodic' or 'walls' sim.geomy = 'walls' sim.stepper = Step.AB3 # Time-stepping algorithm: Euler, AB2, RK4 sim.method = 'Spectral' # Numerical method: 'Spectral' sim.dynamics = 'Nonlinear' # Dynamics: 'Nonlinear' or 'Linear' sim.flux_method = Flux.spectral_sw # Flux method: spectral_sw is only option currently # Specify paramters sim.Lx = 200e3 # Domain extent (m) sim.Ly = 200e3 # Domain extent (m) sim.Nx = 128 # Grid points in x sim.Ny = 128 # Grid points in y sim.Nz = 1 # Number of layers sim.g = 9.81 # Gravity (m/sec^2) sim.f0 = 1.e-4 # Coriolis (1/sec) sim.beta = 0e-10 # Coriolis beta (1/m/sec) sim.Hs = [500.] # Vector of mean layer depths (m) sim.rho = [1025.] # Vector of layer densities (kg/m^3) sim.end_time = 20 * 24. * hour # End Time (sec) # Parallel? Only applies to the FFTWs sim.num_threads = 32 # Plotting parameters sim.plott = 12. * hour # Period of plots sim.animate = 'Save' # 'Save' to create video frames, # 'Anim' to animate, # 'None' otherwise sim.plot_vars = ['vort', 'v', 'u', 'h'] sim.clims = [[-0.8, 0.8], [-0.5, 0.5], [], []]
# Geometry and Model Equations
sim.geomy = 'periodic' # Geometry Types: 'periodic' or 'walls'
sim.stepper = Step.AB3 # Time-stepping algorithm: Euler, AB2, RK4
sim.method = 'Spectral' # Numerical method: 'Spectral'
sim.dynamics = 'Nonlinear' # Dynamics: 'Nonlinear' or 'Linear'
sim.flux_method = Flux.spectral_sw # Flux method: spectral_sw is only option currently
# Specify paramters
sim.Ly = 4000e3 # Domain extent (m)
sim.Nx = 1 # Grid points in x
sim.Ny = 1024 # Grid points in y
sim.Nz = 1 # Number of layers
sim.g = 9.81 # Gravity (m/sec^2)
sim.f0 = 1.e-4 # Coriolis (1/sec)
sim.beta = 0e-10 # Coriolis beta parameter (1/m/sec)
sim.Hs = [100.] # Vector of mean layer depths (m)
sim.rho = [1025.] # Vector of layer densities (kg/m^3)
sim.end_time = 2*24.*hour # End Time (sec)
# Parallel: Only applies to the FFTWs
sim.num_threads = 4
# Plotting parameters
sim.plott = 15.*minute # Period of plots
sim.animate = 'Anim' # 'Save' to create video frames,
# 'Anim' to animate,
# 'None' otherwise
sim.plot_vars = ['u','v','h'] # Specify which variables to plot
# Specify manual ylimits if desired
sim.geomx = "periodic" # Geometry Types: 'periodic' or 'walls' sim.geomy = "walls" sim.stepper = Step.AB3 # Time-stepping algorithm: Euler, AB2, RK4 sim.method = "Spectral" # Numerical method: 'Spectral' sim.dynamics = "Nonlinear" # Dynamics: 'Nonlinear' or 'Linear' sim.flux_method = Flux.spectral_sw # Flux method: spectral_sw is only option currently # Specify paramters sim.Lx = 200e3 # Domain extent (m) sim.Ly = 200e3 # Domain extent (m) # sim.Nx = 128 # Grid points in x sim.Ny = 128 # Grid points in y sim.Nz = 1 # Number of layers sim.g = 9.81 # Gravity (m/sec^2) sim.f0 = 1.0e-4 # Coriolis (1/sec) sim.beta = 0e-10 # Coriolis beta (1/m/sec) sim.cfl = 0.2 # CFL coefficient (m) sim.Hs = [100.0] # Vector of mean layer depths (m) sim.rho = [1025.0] # Vector of layer densities (kg/m^3) sim.end_time = 14 * 24.0 * hour # End Time (sec) # Initialize the grid and zero solutions sim.animate = "None" sim.diagnose = False sim.output = False sim.initialize() # Define Differentiation Matrix and grid Dy, y = cheb(sim.Ny) y = (y[:, 0] + 1) * sim.Ly / 2
