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Solvers

SToRM

SToRM (System for Transport and River Modeling) is a horizontal two-dimensional flow analysis solver developed by the U.S. Geological Survey. Because SToRM employs unstructured grids in its lattice system, it can provide suitable analysis even under complex boundary conditions. Conditions such as simultaneous regular and jet flow mixed flows or waterfront boundaries can be handled.

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Nays2DFlood

Nays 2D Flood is a flood flow analysis solver that relies on unsteady 2-dimensional plane flow simulation using boundary-fitted coordinates1 as the general curvilinear coordinates. This solver adopts the 2-dimensional plane flow simulation of the Nays2D Solver developed by Professor Yasuyuki Shimizu of Hokkaido University for flood flow analysis.

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ELIMO

iRIC-ELIMO has been developed with a motto of ”simple and easy tsunami computation” for people with minimum knowledge to operate Window softwares, which is capable of reliable estimations of tsunami generation, propagation and evolution on coasts on easy-performable GUI environment provided by iRIC.

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DHABSIM

DHABSIM (Diversity based HABitat SIMulation) is an easy-to-use two-dimensional habitat calculator. It can calculate habitat condition of mid to small scale river without using HSI for specific fish species. It imports geometry, velocity, and depth from other flow calculation solvers, and outputs a habitat distribution map.

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EvaTRiP

EvaTRiP(Evaluation Tools for River environmental Planning)は、主に中小河川の河道計画・設計における河道の安定性、河川の環境や維持管理に関する検討に利用することを目的として開発されたツールです。

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