SpECTRE  v2026.04.01
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Ccz4::Tags::FieldDUpTimesATilde< DataType, Dim, Frame > Struct Template Reference

The CCZ4 temporary expression \(D_k{}^{nm} \tilde{A}_{nm}\). More...

#include <TempTags.hpp>

Public Types

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

Detailed Description

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

The CCZ4 temporary expression \(D_k{}^{nm} \tilde{A}_{nm}\).

Details

Here, \(D_k{}^{nm}\) is analytically negative one half the spatial derivative of the inverse conformal spatial metric defined by Ccz4::Tags::FieldDUp and \(\tilde{A}_{nm}\) is the trace-free part of the extrinsic curvature defined by Ccz4::Tags::ATilde.


The documentation for this struct was generated from the following files:
  • src/Evolution/Systems/Ccz4/TagsDeclarations.hpp
  • src/Evolution/Systems/Ccz4/TempTags.hpp