# -*- coding: utf-8 -*-
from pyfr.solvers.baseadvec import BaseAdvectionElements
class BaseACFluidElements(object):
formulations = ['dual']
privarmap = {2: ['p', 'u', 'v'],
3: ['p', 'u', 'v', 'w']}
convarmap = {2: ['p', 'u', 'v'],
3: ['p', 'u', 'v', 'w']}
dualcoeffs = {2: ['u', 'v'],
3: ['u', 'v', 'w']}
visvarmap = {
2: [('velocity', ['u', 'v']),
('pressure', ['p'])],
3: [('velocity', ['u', 'v', 'w']),
('pressure', ['p'])]
}
@staticmethod
def pri_to_con(pris, cfg):
return pris
@staticmethod
def con_to_pri(convs, cfg):
return convs
[docs]class ACEulerElements(BaseACFluidElements, BaseAdvectionElements):
[docs] def set_backend(self, *args, **kwargs):
super().set_backend(*args, **kwargs)
# Register our flux kernels
self._be.pointwise.register('pyfr.solvers.aceuler.kernels.tflux')
self._be.pointwise.register('pyfr.solvers.aceuler.kernels.tfluxlin')
# Template parameters for the flux kernels
tplargs = {
'ndims': self.ndims,
'nvars': self.nvars,
'nverts': len(self.basis.linspts),
'c': self.cfg.items_as('constants', float),
'jac_exprs': self.basis.jac_exprs
}
# Common arguments
if 'flux' in self.antialias:
u = lambda s: self._slice_mat(self._scal_qpts, s)
f = lambda s: self._slice_mat(self._vect_qpts, s)
pts, npts = 'qpts', self.nqpts
else:
u = lambda s: self._slice_mat(self.scal_upts_inb, s)
f = lambda s: self._slice_mat(self._vect_upts, s)
pts, npts = 'upts', self.nupts
# Mesh regions
regions = self._mesh_regions
if 'curved' in regions:
self.kernels['tdisf_curved'] = lambda: self._be.kernel(
'tflux', tplargs=tplargs, dims=[npts, regions['curved']],
u=u('curved'), f=f('curved'),
smats=self.smat_at(pts, 'curved')
)
if 'linear' in regions:
upts = getattr(self, pts)
self.kernels['tdisf_linear'] = lambda: self._be.kernel(
'tfluxlin', tplargs=tplargs, dims=[npts, regions['linear']],
u=u('linear'), f=f('linear'),
verts=self.ploc_at('linspts', 'linear'), upts=upts
)