curvilinear_sigma Function

private pure function curvilinear_sigma(u, v, c, sxi, seta, vol) result(sig)

Per-cell contravariant spectral radius for the curvilinear CFL limit: (|u.Sxi| + c|Sxi| + |u.Seta| + c|Seta|) / V, with cell-averaged face vectors.

Arguments

Type	Intent	Optional	Attributes		Name
real(kind=wp),	intent(in)			::	u
real(kind=wp),	intent(in)			::	v
real(kind=wp),	intent(in)			::	c
real(kind=wp),	intent(in)			::	sxi(2)
real(kind=wp),	intent(in)			::	seta(2)
real(kind=wp),	intent(in)			::	vol

Return Value real(kind=wp)