RDII.hpp File Reference

RDII — rainfall-dependent infiltration/inflow via unit hydrograph. More...

#include <vector>
#include <string>
#include <unordered_map>

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Classes
struct	openswmm::rdii::UnitHydParams
struct	openswmm::rdii::RDIIGroupSoA
class	openswmm::rdii::RDIISolver

Namespaces
namespace	openswmm
namespace	openswmm::rdii

Detailed Description

RDII — rainfall-dependent infiltration/inflow via unit hydrograph.

Each RDII node has 3 triangular unit hydrographs (short/medium/long response). The RDII inflow at each timestep is the convolution of past rainfall with the UH ordinates.

SoA: past rainfall stored as circular buffer per UH group. Convolution is a dot-product — vectorisable.

Note

Legacy reference: src/legacy/engine/rdii.c

Author

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

Copyright

Copyright (c) 2026 HydroCouple. All rights reserved.

License\n MIT License