def ij2ab(ne, ngq, panel, ei, ej, gi, gj):
gq_pts, gq_wts = gausslobatto(ngq-1)
delta_angles = (gq_pts[:] + 1)*np.pi/(4*ne)
alpha = -np.pi/4 + np.pi/(2*ne)*(ei-1) + delta_angles[gi-1]
beta = -np.pi/4 + np.pi/(2*ne)*(ej-1) + delta_angles[gj-1]
return alpha, beta
def __init__(self, cubegrid, rotated=False, homme_style=False):
self.cubegrid = cubegrid
self.rotated= rotated
ngq = cubegrid.ngq
local_ep_size = cubegrid.local_ep_size
gq_pts, gq_wts = gausslobatto(ngq-1) # ngq-1: polynomial order
Dvv = np.zeros(ngq*ngq, 'f8')
Dinv = np.zeros(local_ep_size*2*2, 'f8')
jac = np.zeros(local_ep_size, 'f8')
self.init_derivative_matrix(Dvv, gq_pts)
if homme_style:
self.init_transform_matrix_homme(Dinv, jac)
area_ratio = self.calc_area_ratio(gq_wts, jac)
Dinv[:] /= np.sqrt(area_ratio)
jac[:] *= area_ratio
else:
self.init_transform_matrix(Dinv, jac)
#area_ratio1 = self.calc_area_ratio(gq_wts, jac)
self.revise_transform_matrix_by_elem_area(gq_wts, jac, Dinv)
#area_ratio2 = self.calc_area_ratio(gq_wts, jac)
#print cubegrid.myrank, area_ratio1, area_ratio2
#-----------------------------------------------------
# Public variables
#-----------------------------------------------------
self.gq_pts = gq_pts
self.gq_wts = gq_wts
self.Dvv = Dvv
self.Dinv = Dinv
self.jac = jac
