102 #include "time_slice.h" 103 #include "isol_hor.h" 105 #include "evolution.h" 107 #include "graphique.h" 108 #include "utilitaires.h" 220 dnnn - 6.*
nn() * dln_psi, 0) ;
225 source += 2.*
nn() * ( tmp_vect
230 beta().derive_cov(
ff).derive_cov(
ff), 1, 2)
231 + 0.3333333333333333*
virtual const Vector & beta() const
shift vector at the current time step (jtime )
void annule_domain(int l)
Sets the Tensor to zero in a given domain.
virtual const Scalar & psi() const
Conformal factor relating the physical metric to the conformal one: .
const Scalar & psi4() const
Factor at the current time step (jtime ).
virtual const Vector & hdirac() const
Vector which vanishes in Dirac gauge.
Sym_tensor gamt_point
Time derivative of the 3-metric tilde.
Standard units of space, time and mass.
Tensor field of valence 0 (or component of a tensorial field).
const Base_vect * get_triad() const
Returns the vectorial basis (triad) on which the metric is defined.
const Scalar source_psi() const
Source for .
Scalar trK
Trace of the extrinsic curvature.
const Vector & derive_con(const Metric &gam) const
Returns the "contravariant" derivative of *this with respect to some metric , by raising the index of...
Tensor field of valence 1.
Vectorial bases (triads) with respect to which the tensorial components are defined.
const Tensor_sym & get_delta() const
Returns the tensor which defines the connection with respect to the flat one: is the difference bet...
virtual const Sym_tensor & hh(Param *=0x0, Param *=0x0) const
Deviation of the conformal metric from the flat metric : .
Map_af & mp
Affine mapping.
const Vector & divergence(const Metric &) const
Returns the divergence of this with respect to a Metric .
virtual void inc_dzpuis(int inc=1)
Increases by inc units the value of dzpuis and changes accordingly the values of the Scalar in the co...
virtual const Scalar & ricci_scal() const
Returns the Ricci scalar.
const Scalar & ln_psi() const
Logarithm of at the current time step (jtime ).
virtual const Connection & connect() const
Returns the connection.
Metric met_gamt
3 metric tilde
const Scalar source_nn() const
Source for N.
const Scalar & divergence(const Metric &) const
The divergence of this with respect to a Metric .
const Vector source_beta() const
Source for .
virtual const Scalar & aa_quad() const
Conformal representation .
virtual Sym_tensor aa() const
Conformal representation of the traceless part of the extrinsic curvature: .
Tenseur contract(const Tenseur &, int id1, int id2)
Self contraction of two indices of a Tenseur .
const Tensor & derive_cov(const Metric &gam) const
Returns the covariant derivative of this with respect to some metric .
virtual void inc_dzpuis(int inc=1)
Increases by inc units the value of dzpuis and changes accordingly the values in the compactified ext...
Scalar trK_point
Time derivative of the trace of the extrinsic curvature.
Vector derive_lie(const Vector &v) const
Computes the Lie derivative of this with respect to some vector field v.
const Metric_flat & ff
Pointer on the flat metric with respect to which the conformal decomposition is performed.
const Vector & derive_cov(const Metric &gam) const
Returns the gradient (1-form = covariant vector) of *this
Class intended to describe valence-2 symmetric tensors.
virtual const Scalar & nn() const
Lapse function N at the current time step (jtime )