VertexReconstruction.hpp File Reference

Pseudo-Laplacian vertex reconstruction stencil computation. More...

#include "../data/MeshData.hpp"
#include "../data/SurfaceStateData.hpp"

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Namespaces
namespace	openswmm
namespace	openswmm::twoD

Functions
void	openswmm::twoD::buildVertexStencils (MeshData &mesh)
	Build pseudo-Laplacian reconstruction stencils for all vertices.
void	openswmm::twoD::reconstructVertexHeads (const MeshData &mesh, SurfaceStateData &state, int nthreads=1)
	Reconstruct head values at vertices from cell-centred heads.
double	openswmm::twoD::vertexHeadAt (const MeshData &mesh, const SurfaceStateData &state, int v) noexcept
	Pseudo-Laplacian head at ONE vertex, evaluated on demand from the current cell heads.
double	openswmm::twoD::cellFreeSurfaceElevation (double mean_depth, double za, double zb, double zc)
	Free-surface elevation η of one triangular cell from its mean depth (render/output closure).
double	openswmm::twoD::cellFreeSurfaceElevationOf (const MeshData &mesh, int t, double mean_depth)
void	openswmm::twoD::reconstructVertexRenderDepths (const MeshData &mesh, SurfaceStateData &state, double dry_depth, int nthreads, std::vector< double > &eta_scratch)
	Wet-masked, depth-weighted free-surface reconstruction at vertices for RENDERING/OUTPUT only (writes state.vert_depth_signed).
void	openswmm::twoD::reconstructVertexRenderDepths (const MeshData &mesh, SurfaceStateData &state, double dry_depth, int nthreads=1)

Detailed Description

Pseudo-Laplacian vertex reconstruction stencil computation.

Implements Eq. [19]–[21] from Kumar et al. (2009): builds weighted interpolation stencils at each vertex from surrounding cell centres. Stencils are stored in CSR format in MeshData for efficient evaluation.

See also

TWO_DIMENSIONAL_SURFACE_ROUTING_IMPLEMENTATION_STRATEGY.md §5.2

Author

Caleb Buahin caleb.nosp@m..bua.nosp@m.hin@g.nosp@m.mail.nosp@m..com

Copyright

Copyright (c) 2026 Caleb Buahin. All rights reserved.

License\n Apache-2.0