本文论述了紊流型泥石流河道模型试验的相似理论。
This paper deals with the laws of similarities about the turbulent mudstone flow for the model experiment.
我正在创造一个虚构的村庄，叫做詹姆斯河道村，其中有搭建模型商店，这辆火车作为整套作品的一部分，将会摆放在那里面。
I am creating a fictitious village called James River Branch and this model train is going to be placed inside the model shop I am building as part of the re-creation.
根据GIS、数据库系统的原理，设计实现了河道与库区泥沙淤积系统的数据模型、功能模块和主体结构，成功地将基础数据库进行了入库操作。
Based on the principle of GIS and database system, data model, function modules and agent structure of sediment silting system of watercourse and reservoir zone is designed.
计算结果均表明，本文的一维水动力学模型能较好地模拟漫滩河道的过流特征，并改善了漫滩河道洪水演进的模拟与预测能力。
Calculation results show that this model can simulate the characteristics of water flow in a floodplain river and can improve the capacity of flood routing simulating and predicting.
模型利用实测资料进行模型率定与验证，证明该模型基本合理，能够模拟河网各河道的流量、水位与浓度。
The model isdebugged and validated by the data observed, so it is proved suitable to simulate river network discharge, water level and contamination concentration.
这两个模型联合起来构成了河道型水库总磷预测模型。
These two models are combined as the total phosphorus prediction model of channel reservoir.
研究平稳静态河道水波模型的最优控制问题。
The optimal control problems for the stationary river wave model are analyzed.
第3章以概化的矩形河道为对象，采用一维涌潮数学模型对潮波进行模拟，对涌潮的成因作了分析研究。
Chapter 3 has analyzed the origin cause of tidal bore through simulating bore with one-dimensional bore model based on the ideal rectangle cross watercourse.
洪水演进仿真环境的绘制包括三维地形建模和地形地貌实时绘制，源发型洪水演进动态仿真技术的关键是流域河道边界自搜索模型的建立。
The key technology of the dynamic simulate of the original flood evolvement is the design of the self-control search model of the boundary of the watercourses drainage area.
同时，本研究根据库容计算的模型和误差传播理论，提出了一种河道型水库库容计算成果的精度评价方法。
At the same time, according to the reservoir storage calculative model and error spread theory, this study has explored a kind of accurate valuation method of river -.
通过物理模型试验，研究了有植被的河道水流紊动特性。
The turbulent characteristics of flow in vegetated channels are studied in physical model tests.
水工模型试验表明，这种构筑物对于改善河道行洪口门的水流流态具有明显的效果。
It is demonstrated from the hydraulic modeling that the structure has an obvious effect on the improvement of flow pattern near the river opening for flood discharge.
分析表明，对于平原河道，动力项和阻力项偏离是主要的，惯性项的偏离对模型水流运动影响较小。
For mild channel, it is shown that dynamic term and resistance term deviations caused by the distortion influence model water flow movement more seriously than inertia term do.
该模型可适用于不规则边界河道的数值模拟。
This model can be used to the numerical simulation of anomalistic river boundary.
该模型的建立为河道崩岸的预测预报提供了一个新途径。
The model also provides a new method to predict river bank-failure.
本文率先将A .B .卡拉乌舍夫扩散模型应用到狭长的河道型水库，而且解的形式简单，便于计算。
As a spearhead, A. B. Kapayms diffuse model is applied in narrow channel reservoir, and the form of solution is so simple that it can be calculated easily.
通过室内水槽模型试验，探讨了有低矮植被生长的河道糙率变化、时均流速的垂线分布以及紊动强度的垂向变化规律。
By the indoor flume model experiment, the changing law of vertical velocity distribution and turbulent intensity of submerged vegetation channel linings are discussed.
提出和讨论了基于马斯京根流量演算河道洪水实时预报的半自适应滤波模型。
Based on the Kilman filter theory and Muskingum method, the half self adaptive updating Kilman filter model of channel flow routing has been developed for real time application of flood forecasts.
首先建立了一维数学模型研究顺直河道的河床冲刷及河床粗化过程。
ID numerical model is developed to simulate degradation and armoring process in alluvial channels.
该文采用具有自由水面和河床切应力计算的三维数学模型分析了桥墩群对河道水流的影响。
A three-dimensional numerical model with free water surface and wall shear stress was used to analyze the water flow affected by piers.
选这些参数的最大概率作为河道的最优化模型，利用所生成的最优化参数计算出河道砂体的边界面。
Choosing the maximum probability of channel geometry parameters as optimization model, the bounding surfaces of channel reservoir are computed with the optimization geometry parameters.
该模型的特点是对河道地形要求不高，能够满足水沙输移实时预报的要求。
The model can be used for real time prediction of flow and sediment transport in multiple connected river channels and is suitable for the area where topography map is not sufficient.
采用水动力学方法建立河道型水库库区洪水演进模型，解决实时洪水调度中的动库容问题。
A flood routing model for river-type reservoirs was developed to calculate the dynamic reservoir capacity during the real-time flood regulation based on the hydrodynamic method.
该模型成功地应用于长江三峡河道的洪水演算之中。
It has been successfully applied in flood computation for the Three Gorges Reach of the Yangtze River.
采用作者给出的三维紊流模型，结合混合有限分析法及交错网格对浅水型河道中扩散器垂向排放的流动进行了数值计算。
A three dimensional mathematical model for calculating the steady flow of multiple non buoyant turbulent jets in a cross flowing is present in this paper.
在分析影响河道水位因素的基础上，采用基于梯度下降算法的BP神经网络模型推算河道水位，同时采用传统的上下游水位线性相关方法进行水位推算。
On the basis of the analysis of factors affecting the river water level, the BP neural network model, based on the gradient descending algorithm, is used to calculate the river water level.
该模型不仅反映了网状河道中非稳态的水流及水质变化特点，还反映了水体分别处于好氧、缺氧、厌氧状态下的水质及底泥中主要污染物的变化规律。
The unsteady model with multiparameter reflects the characteristics of the unsteady flow in different directions and that of the unsteady water quality under aerobic, anoxic and anaerobic conditions.
本文给出了建立在弯道水流运动与方程基础上的弯曲河道三维水流模型。
In this paper, it is presented that the characteristics of the movement of flow in channel bends should be studied under the different flow region.
基于水深积分方程建立了模拟河道和水库滑坡涌浪的数学模型。
A mathematical model based on the hydrodynamic shallow water equations is developed for simulation of waves and its propagation induced by landslide in river and reservoir.
基于水深积分方程建立了模拟河道和水库滑坡涌浪的数学模型。
A mathematical model based on the hydrodynamic shallow water equations is developed for simulation of waves and its propagation induced by landslide in river and reservoir.
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