def T(self, value):
self._T[:] = helpers.scalar_valued_function(
value, self.S1).vector().array()[:]
self._T_dg = helpers.scalar_valued_dg_function(value, self.mesh)
As = self._A_dg.vector().array()
Ts = self._T_dg.vector().array()
mes = self._m_e_dg.vector().array()
for i in range(len(Ts)):
As[i] = self.mat.A(Ts[i])
mes[i] = self.mat.m_e(Ts[i])
self._A_dg.vector().set_local(As)
self._m_e_dg.vector().set_local(mes)
self._m_e.shape = (3, -1)
for i in range(len(self._T)):
self._m_e[:, i] = self.mat.m_e(self._T[i])
self.inv_chi_par[i] = self.mat.inv_chi_par(self._T[i])
self._m_e.shape = (-1, )
# TODO: Trying to use spatial parameters
self.inv_chi_perp = self.mat.inv_chi_perp(self._T[0])
def set_alpha(self, value):
"""
Set the damping constant :math:`\\alpha`.
The parameter `value` can have any of the types accepted by the
function :py:func:`finmag.util.helpers.scalar_valued_function` (see its
docstring for details).
"""
self.alpha = helpers.scalar_valued_function(value, self.S1)
self.alpha.rename('alpha', 'Gilbert damping constant')
def set_alpha(self, value):
"""
Set the damping constant :math:`\\alpha`.
The parameter `value` can have any of the types accepted by the
function :py:func:`finmag.util.helpers.scalar_valued_function` (see its
docstring for details).
"""
self._alpha[:] = helpers.scalar_valued_function(
value, self.S1).vector().array()[:]
def setup(self, m, Ms, unit_length=1):
self.m = m
self.Ms = Ms
self.unit_length = unit_length
if self.scalar_df_expression:
dofmap = m.functionspace.dofmap()
self.S1 = df.FunctionSpace(
m.mesh(),
"Lagrange",
1,
constrained_domain=dofmap.constrained_domain)
self.h0 = helpers.scalar_valued_function(self.df_expression,
self.S1).vector().array()
self.H0 = df.Function(m.functionspace)
else:
self.H0 = helpers.vector_valued_function(self.df_expression,
self.m.functionspace)
self.E = -mu0 * self.Ms.f * df.dot(self.m.f, self.H0)
self.H_init = self.H0.vector().array()
self.H = self.H_init.copy()
def set_spatial_alpha(self, value):
self._alpha[:] = helpers.scalar_valued_function(
value, self.S1).vector().array()[:]
def T(self, value):
self._T[:] = helpers.scalar_valued_function(
value, self.S1).vector().array()[:]
log.info('Temperature : %g', self._T[0])
def pins(self, value):
self._pins[:]=helpers.scalar_valued_function(value,self.S1).vector().array()[:]