def setup_macrospin():
"""
Defines the simulation parameters.
Creates a Macrospin simulation object
Assigns the parameters to the Macrospin object
Return the sim object
"""
# Define simulation parameters
Ms = 8.6e5 # saturation magnetisation (A/m)
alpha = 0.1 # Gilbert damping
gamma = 2.211e5 # gyromagnetic ratio
B = 0.1 # External magentic field (T)
mu0 = 4*np.pi*1e-7 # vacuum permeability
H = B/mu0
m_init = [1, 0, 0]
zeeman = [0, 0, H]
mesh = FDmesh0D()
sim = Macrospin(mesh)
sim.Ms = Ms
sim.alpha = alpha
sim.gamma = gamma
sim.m = m_init
sim.zeeman = zeeman
return sim
def setup_macrospin():
"""
Defines the simulation parameters.
Creates a Macrospin simulation object
Assigns the parameters to the Macrospin object
Return the sim object
"""
# Define simulation parameters
Ms = 8.6e5 # saturation magnetisation (A/m)
alpha = 0.1 # Gilbert damping
gamma = 2.211e5 # gyromagnetic ratio
B = 0.1 # External magentic field (T)
mu0 = 4 * np.pi * 1e-7 # vacuum permeability
H = B / mu0
m_init = [1, 0, 0]
zeeman = [0, 0, H]
mesh = FDmesh0D()
sim = Macrospin(mesh)
sim.Ms = Ms
sim.alpha = alpha
sim.gamma = gamma
sim.m = m_init
sim.zeeman = zeeman
return sim
def setup_macrospin():
"""
Defines the simulation parameters.
Creates a Macrospin simulation object
Assigns the parameters to the Macrospin object
Return the sim object
"""
from mpimag import FDmesh1D
# Define simulation parameters
Ms = 8.6e5 # saturation magnetisation (A/m)
alpha = 0.1 # Gilbert damping
gamma = 2.211e5 # gyromagnetic ratio
B = 0.1 # External magentic field (T)
mu0 = 4*np.pi*1e-7 # vacuum permeability
H = B/mu0
m_init = [1, 0, 0]
zeeman = [0, 0, H]
# mesh parameters
x0 = 0
x1 = 10 # nm
nx = 6 # number of nodes in x-dir
mesh = FDmesh1D(x0, x1, nx)
# setup sim object
sim = Macrospin(mesh)
sim.Ms = Ms
sim.alpha = alpha
sim.gamma = gamma
sim.m = m_init
sim.zeeman = zeeman
return sim
def setup_macrospin():
"""
Defines the simulation parameters.
Creates a Macrospin simulation object
Assigns the parameters to the Macrospin object
Return the sim object
"""
from mpimag import FDmesh1D
# Define simulation parameters
Ms = 8.6e5 # saturation magnetisation (A/m)
alpha = 0.1 # Gilbert damping
gamma = 2.211e5 # gyromagnetic ratio
B = 0.1 # External magentic field (T)
mu0 = 4 * np.pi * 1e-7 # vacuum permeability
H = B / mu0
m_init = [1, 0, 0]
zeeman = [0, 0, H]
# mesh parameters
x0 = 0
x1 = 10 # nm
nx = 6 # number of nodes in x-dir
mesh = FDmesh1D(x0, x1, nx)
# setup sim object
sim = Macrospin(mesh)
sim.Ms = Ms
sim.alpha = alpha
sim.gamma = gamma
sim.m = m_init
sim.zeeman = zeeman
return sim