One subcatchment surface-quality arithmetic for every species family (Multispecies Phase 2, S1, 2026-10-15). More...

#include <cstddef>
#include <cstdint>
#include <vector>
#include "Landuse.hpp"

Include dependency graph for SurfaceSpeciesKernel.hpp:

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Classes
struct	openswmm::surfacespecies::Block

Namespaces
namespace	openswmm

namespace	openswmm::surfacespecies

Functions
void	openswmm::surfacespecies::step (SimulationContext &ctx, Block &b, double dt_runoff, double old_runoff_time) noexcept
	Advance one species family's buildup/sweeping/washoff and pre-LID complete-mix concentration.

void	openswmm::surfacespecies::bookPostLid (SimulationContext &ctx, Block &b, double dt_runoff, const std::vector< double > &lid_infil_vol) noexcept
	Book one accepted family's post-LID losses and delivered runoff load using pre-LID concentration.

Detailed Description

One subcatchment surface-quality arithmetic for every species family (Multispecies Phase 2, S1, 2026-10-15).

Buildup, washoff, ponded-water mixing, LID-area loads, the washoff concentration and the post-LID load bookings, moved verbatim out of SWMMEngine::stepSurfaceQuality / bookWashoffLoads. A Block names the arrays one species family keeps: the pollutants (SubcatchData, PollutantData, the mass_balance qual_* rows, the land-use solver) or the reaction species (MsxSurfaceData). Both families therefore run the same expressions; before, the reaction species ran a transcription that had drifted (no fOutlet, a different RC form, the pre-LID denominator, no ponded mix and no LID rows).

Every per-subcatchment input (runoff, rainfall, areas, ponded depths, run-on water) is read from the context and is the same for both families.

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

License: Apache-2.0

Classes

Namespaces

Functions

Detailed Description