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Ccz4::Tags::GradGradLapse< DataType, Dim, Frame > Struct Template Reference

The gradient of the gradient of the lapse. More...

#include <Tags.hpp>

Public Types

using type = tnsr::ij< DataType, Dim, Frame >
 

Detailed Description

template<typename DataType, size_t Dim, typename Frame>
struct Ccz4::Tags::GradGradLapse< DataType, Dim, Frame >

The gradient of the gradient of the lapse.

Details

We define:

(1)ijα=αAiAjαΓkijAk+α(iAj)

where α, Γkij, Ai, and jAi are the lapse, spatial christoffel symbols of the second kind, the CCZ4 auxiliary variable defined by Ccz4::Tags::FieldA, and its spatial derivative, respectively.


The documentation for this struct was generated from the following file: