29char strot_dirac_solveshift_C[] =
"$Header: /cvsroot/Lorene/C++/Source/Star/strot_dirac_solveshift.C,v 1.3 2014/10/13 08:53:40 j_novak Exp $" ;
50#include "star_rot_dirac.h"
Time evolution with partial storage (*** under development ***).
const Metric_flat & flat_met_spher() const
Returns the flat metric associated with the spherical coordinates and with components expressed in th...
Flat metric for tensor calculation.
virtual const Connection & connect() const
Returns the connection.
const Vector & derive_cov(const Metric &gam) const
Returns the gradient (1-form = covariant vector) of *this
void set_dzpuis(int)
Modifies the dzpuis flag.
Sym_tensor_trans hh
is defined by .
Vector j_euler
Momentum density 3-vector with respect to the Eulerian observer.
Scalar psi4
Conformal factor .
void solve_shift(Vector &shift_new) const
Solution of the shift equation for rotating stars in Dirac gauge.
Scalar nn
Lapse function N .
Map & mp
Mapping associated with the star.
Tensor field of valence 1.
const Scalar & divergence(const Metric &) const
The divergence of this with respect to a Metric .
const Vector_divfree & div_free(const Metric &) const
Returns the div-free vector in the Helmholtz decomposition.
Scalar & set(int)
Read/write access to a component.
const Tensor & derive_cov(const Metric &gam) const
Returns the covariant derivative of this with respect to some metric .
Tenseur contract(const Tenseur &, int id1, int id2)
Self contraction of two indices of a Tenseur .
Standard units of space, time and mass.