95 bsn.
set(1) = - omega * ya ;
96 bsn.
set(2) = omega * (xa - x_axe) ;
101 bsn.
set(2) = - omega * (xa - x_axe) ;
Coord xa
Absolute x coordinate.
Cmp log(const Cmp &)
Neperian logarithm.
Map & mp
Mapping associated with the star.
Cmp sqrt(const Cmp &)
Square root.
virtual void annule(int l_min, int l_max)
Sets the Scalar to zero in several domains.
const Mg3d * get_mg() const
Gives the Mg3d on which the mapping is defined.
Tensor field of valence 0 (or component of a tensorial field).
virtual void std_spectral_base()
Sets the spectral bases of the Valeur va to the standard ones for a scalar field. ...
virtual void change_triad(const Base_vect &)
Sets a new vectorial basis (triad) of decomposition and modifies the components accordingly.
double get_rot_phi() const
Returns the angle between the x –axis and X –axis.
virtual void std_spectral_base()
Sets the standard spectal bases of decomposition for each component.
Scalar pot_centri
Centrifugal potential.
int get_nzone() const
Returns the number of domains.
virtual void del_deriv() const
Deletes all the derived quantities.
Tenseur contract(const Tenseur &, int id1, int id2)
Self contraction of two indices of a Tenseur .
Active physical coordinates and mapping derivatives.
virtual const Sym_tensor & cov() const
Read-only access to the covariant representation.
Coord ya
Absolute y coordinate.
const Base_vect_cart & get_bvect_cart() const
Returns the Cartesian basis associated with the coordinates (x,y,z) of the mapping, i.e.
Scalar nn
Lapse function N .
void kinematics(double omega, double x_axe)
Computes the quantities bsn and pot_centri.
virtual void change_triad(const Base_vect &new_triad)
Sets a new vectorial basis (triad) of decomposition and modifies the components accordingly.
Scalar & set(int)
Read/write access to a component.
virtual void annule(int l_min, int l_max)
Sets the Tensor to zero in several domains.
Vector bsn
3-vector shift, divided by N, of the rotating coordinates, .
Class intended to describe valence-2 symmetric tensors.