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3D view. HEC-RAS is simulation software used in computational fluid dynamics – specifically, to model the hydraulics of water flow through natural rivers and other channels.. The program was developed by the United States Army Corps of Engineers in order to manage the rivers, harbors, and other public works under their jurisdiction; it has found wide acceptance by many others since its ...
It supports river hydraulic and storm drain models, lumped parameter, regression, 2D hydrologic modeling of watersheds, and can be used to model both water quantity and water quality. As of January 2017, supported models include HEC-1, HEC-RAS, HEC-HMS, TR-20, TR-55, NFF, Rational, MODRAT, HSPF, CE-QUAL-W2, GSSHA, SMPDBK, and other models.
ExtendSim - simulation software for discrete event, continuous, discrete rate and agent-based simulation. FEATool Multiphysics - finite element physics and PDE simulation toolbox for MATLAB. Flexsim - discrete event simulation software. Flood Modeller - hydraulic simulation software, used to model potential flooding risk for engineering purposes.
Flood Modeller is a computer program developed by Jacobs that assesses flood risk by simulating the flow of water through river channels, urban drainage networks and across floodplains using a range of one- and two-dimensional hydraulic solvers.
It performs extended-period simulation of hydraulic and water-quality behavior within pressurized pipe networks and is designed to be "a research tool that improves our understanding of the movement and fate of drinking-water constituents within distribution systems". [2] EPANET first appeared in 1993. [3]
The purpose of the objects is to simulate the major components of the hydrologic cycle, the hydraulic components of the drainage, sewer or stormwater network, and the buildup/washoff functions that allow the simulation of water quality constituents. A watershed simulation starts with a precipitation time history.
Simcenter Amesim is a multi-domain software that supports modeling a variety of physics domains (hydraulic, pneumatic, mechanic, electrical, thermal, electromechanical). It is based on the Bond graph theory.
The analogs to hydraulic conductivity are electrical conductivity, thermal conductivity, and the solute diffusion coefficient. An early process analog model was an electrical network model of an aquifer composed of resistors in a grid. [6] Voltages were assigned along the outer boundary, and then measured within the domain.