Rodin/Variational/H1/Grad.h file

Gradient operator specialization for H1 (higher-order Lagrange) functions.

For H1<K> functions, the gradient is polynomial of degree K-1 on each element:

\[ \nabla u|_K = \sum_{i=1}^{n} u_i \nabla \phi_i \]

where $ \phi_i $ are the H1<K> basis functions.

Namespaces

namespace Rodin
The Rodin library for finite element methods and shape optimization.
namespace Rodin::Variational
Finite element spaces, fields, and variational problems.
namespace Rodin::FormLanguage
Typed expressions for constructing variational forms.

Classes

template<size_t K, class Scalar, class Mesh, class Data>
class Rodin::Variational::Grad<GridFunction<H1<K, Scalar, Mesh>, Data>>
Gradient of a GridFunction on H1<K> space.
template<size_t K, class NestedDerived, class Scalar, class Mesh, ShapeFunctionSpaceType SpaceType>
class Rodin::Variational::Grad<ShapeFunction<NestedDerived, H1<K, Scalar, Mesh>, SpaceType>>
Gradient of a ShapeFunction on H1<K> space.
struct Rodin::Variational::Grad<ShapeFunction<NestedDerived, H1<K, Scalar, Mesh>, SpaceType>>::Cache
Physical gradients prepared by the current integration-point bind.
template<size_t K, class Scalar, class Mesh, class Data>
struct Rodin::FormLanguage::Traits<Variational::Grad<Variational::GridFunction<Variational::H1<K, Math::SpatialMatrix<Scalar>, Mesh>, Data>>>
Rank-three physical gradient range for the matrix H1 solution.
template<size_t K, class Scalar, class Mesh, class Derived, Variational::ShapeFunctionSpaceType Space>
struct Rodin::FormLanguage::Traits<Variational::Grad<Variational::ShapeFunction<Derived, Variational::H1<K, Math::SpatialMatrix<Scalar>, Mesh>, Space>>>
Rank-three physical gradient range for matrix H1 shape functions.
template<size_t K, class Scalar, class Mesh, class Data>
class Rodin::Variational::Grad<GridFunction<H1<K, Math::SpatialMatrix<Scalar>, Mesh>, Data>>
Physical gradient of a matrix H1 solution, with derivative axis last. Uses this family's scalar basis and component ordering.
template<size_t K, class Scalar, class Mesh, class Derived, ShapeFunctionSpaceType Space>
class Rodin::Variational::Grad<ShapeFunction<Derived, H1<K, Math::SpatialMatrix<Scalar>, Mesh>, Space>>
Physical gradients of matrix H1 trial or test bases.