溃坝

本文推导了间断分解公式，建立了Godunov型格式，研究了二维溃坝波的传播、反射和绕射。

The propagation , reflection and diffraction of 2-dimensional dam break wave are studied by solving the shallow water equations with a Godunov 's scheme which is derived in detail .

溃坝问题的间断有限元方法

Discontinuous Finite Element Method for Dam Break Problems

基于GIS的溃坝救助支持系统设计与研究

Design and Research on Dam-break Rescue Support System Based on GIS

研究了GoogleEarth在溃坝信息可视化分析中的应用。

The application of Google Earth on the visualization analysis of dam failure information is studied .

U形河槽溃坝波的简化计算

Simplified Solution of Dam - breaking Wave in U Cross - section Channels

二维溃坝水波MAC方法数值模拟

Numerical Simulation of Two dimensional Dam breck Waves by MAC Method

第二部分将GIS所得到的河道地理数据用于象山水库溃坝模拟计算。

The second part used the river geography data get from GIS into xiangshan reservoir dam-break simulation system .

用改进的人工压缩法结合levelset方法对二维溃坝问题进行了实例计算，计算结果和实验数据吻合较好。

Finally , the improved method and level set method are applied to the two-dimensional Dam-Break problem . The calculating results are in accordance with the experimental data .

基于OpenGL的溃坝洪水实时交互仿真显示

Real-time interactive simulation shows for dam-break flood based on openGL technology

溃坝洪水涌波和水下冲击波，在数学上分别表现为浅水方程和Euler方程的广义解（也称为物理解）。

Dam-break flood wave and underwater shock wave are the physical solution of shallow water equations and Euler equations respectively .

用TVD格式预测溃坝洪水波的演进

Dam break flood wave routing by using TVD scheme

一种基于Roe格式的有限体积法在二维溃坝问题中的应用

The Application of a Finite Volume Method Based on Roe 's Scheme to 2-D Dam-Break Problems

将间断Galerkin方法应用于一维溃坝问题中，采用了两种不同数值流函数，对其进行比较。

We apply the discontinuous Galerkin method to the one dimensional dam-break problem . Two different numerical flux functions are used and compared .

本文根据Stokes溃坝理论，提出了一个新的物理模型。

A unique mathematical model was established on the transition line from stratified flow to slug flow according to the Stokes breaking dam theory .

基于ENO格式的一维溃坝水流数值模拟

One-Dimensional Dam-Break Water Flow Numerical Simulation Based on ENO Schemes

对于溃坝洪水，其初始条件本身就是间断的，构成了浅水方程的Riemann问题。

In the dam-break flood wave problem , the initial values are discontinuous , which constitutes the Riemann problem of shallow water equations .

本文利用气体动力学中新近提出的TVD显格式对五个溃坝涌波的模型问题进行数值求解。

In this paper TVD explicit schemes developed recently in CFO are used to simulate five models of bores due to dam-break .

建立了基于TVD法的溃坝模拟模型和暴雨径流模型，并编制了MatLab程序。

Spatial analysis model was built based on the mathematical model . Built flood runoff model and bust dam simulation model based on the method of TVD , presented the MatLab program .

本文利用p自适应策略结合局部时间算法模拟了部分溃坝问题，数值结果显示，一方面插值次数分布与数值解变化情况能够正确地对应，同时计算效率也进一步得到了有效地提高。

In this paper two models of partial dam-break are simulated using p-adaptation and local time-stepping strategy and the results show on one hand the distributions of polynomials correctly correspond to the changes of numerical solutions and on the other hand the computational efficiency is again enhanced effectively .

通过气（液）泡上升以及两相溃坝问题对SPH方法在两相流动问题模拟中的可行性进行了分析。

As the demonstration of the application of the method , two numerical examples , bubble problem and two-phase dam-break problem , have been investigated .

将失事水库的属性数据与GoogleEarth提供的空间数据结合起来，可以对溃坝信息进行形象直观的演示，同时其强大的空间分析能力对溃坝时空分布规律的研究也有很大帮助。

Based on combing the attribute data of wrecked reservoirs and spatial data of Google Earth , the dam failure information can be played intuitively . What is more , the Spatial Analysis function of Google Earth helps a lot on the study of time-space distribution .

本文根据GIS地理信息系统技术针对溃坝应急避难场所的有效性、安全性、可达性评价指标，初步建立了大坝溃决的应急避难场所选择标准，通过科学计算使结果更加准确客观。

This paper preliminarily established the selection criteria of emergency shelter of the dam break according to the effectiveness , safety and accessibility evaluation index of the Geography Information System ( GIS ) technology . Through scientific calculation , the result became more accurate and objective .

不同形式TVD格式存在数值性能上的差异，干底情况下的溃坝流动计算是数值模拟的难点。

There are differences in numerical performance when using different types of TVD ( total varia - tion diminishing ) schemes . It is difficult for the computation of dam - break flows in dry - bed case .

后者给出了一些计算结果，用以反映有限体积Osher格式在明渠、堰闸、漫滩、溃坝和决堤流动计算中的应用。

In the latter , a number of computed results are presented which reflect various applications of the finite-volume Osher scheme for flows in open channels , over weirs , and due to dam-break , overbank and dike-corruption .

应用高精度加权本质无振荡（WENO）格式构造了溃坝水流计算的数学模型，模拟了坝体瞬间全溃时洪水波的运动过程，并将计算值与理论解进行了比较。

In this paper , a mathematical model for simulating dam-break flows was set up based on the WENO ( Weighted Essentially Non-Oscillatory ) scheme , by which the process of flood wave movement caused by sudden dam-break was simulated .

逐渐溃坝和瞬时溃坝的模拟研究与比较

Comparison and Research Between Gradual and Instantaneous Dam Break Mathematical Model

水库溃坝损失及其计算方法研究

Study on reservoir dam - break loss and its calculation methods

坝体失稳是引发尾矿库溃坝或其他尾矿库事故的一个重要原因。

Dam instability is an important factor of accidents of tailings .

溃坝后果严重程度评价模型研究

Study on evaluation models of severity degree of dam failure impact

尾矿库溃坝风险指标体系及风险评价模型研究

Risk index system and evaluation model for failure of tailings dams