FLO-2D 二維洪水與土石流數值模擬軟體

■  FLO-2D v2009

■FLO-2D 是二維洪水災害模擬模式軟體，為美國聯邦急難管理署（FEMA）認可之二維模式，可用於都市淹水、洪水平原管理、工程風險設計、不規則形狀河道水理演算、橋樑涵洞水理演算與滯洪池水理演算，可以處理漫地流、都市水文，泥流及土石流。

■FLO-2D 淹水模式採用一維變量模式與二維漫地流模式模擬一維
渠道及二維漫地流之流況，並計算發生溢堤時，堤外渠道與堤內地表
間水流之互動機制，能有效模擬本計畫區之淹水情形。渠道演算方式
為利用連續方程式和動力波模式以有限差分方法進行模擬，能模擬流
體流動的速度及深度，並推估合理的淹沒面積，作為災害影響範圍預
測之工具。
　

■ FLO-2D is a dynamic flood routing model that simulates channel flow, unconfined overland flow and street flow. It can simulate a flood over complex topography and roughness while reporting on volume conservation; the key to accurate flood distribution. The model uses the full dynamic wave momentum equation and a central finite difference routing scheme with eight potential flow directions to predict the progression of a flood hydrograph over a system of square grid elements.

The purchase of the FLO-2D model includes the v2009 software and a subscription service that is good until the next release. A hardcopy of the FLO-2D Manuals is not included with the purchase.

■ RiverFLO-2D is a hydrodynamic, mobile bed model for rivers. It is a 2-D in-channel flood routing model that uses a finite element model to compute high resolution flood hydraulics. Flexible triangular mesh refines the flow field around key river features in complex river environments.

RiverFLO-2D is a perfect companion to the FLO-2D model. FLO-2D can route a large flood to the project river reach, accounting for floodwave attenuation and detailed floodplain features. RiverFLO-2D can then predict the detailed 2-D channel hydraulics and overbank flooding through the shorter project reach. RiverFLO-2D has been applied on a number of river projects worldwide including large rivers in South America and in the United States.

The purchase of the RiverFLO-2D includes the most current software with bug fixes, updates and technical support that is good until the next release.