水动力学

Monte-Carlo方法求解水动力学方程的原理及实践

Theory and Practice of Solving Hydrodynamics Equation with Monte-Carlo Method

CFD在船舶水动力学学科的应用，产生了船舶CFD，即数值船池（NumericalTowingTank）这一重要分支。

The application of CFD in ship hydrodynamics results in an important branch – ship CFD , i.e. Numerical Towing Tank .

基于MPI（messagepassinginterface）消息传递实现了黄河二维水动力学数学模型的并行编程。

Parallel program design of Yellow River flow-sediment model was realized based on MPI ( Message Passing Interface ) .

阐述了系统的总体设计、功能模块、关键技术和特色，分析了GIS、水动力学模型在系统中的作用。

This paper systematically expatiates on the system design , main modules , key technology and system characteristics , furthermore , application of GIS and numerical models in the system were introduced .

本文着重评述船舶水动力学中有关阻力和流动领域计算流体力学（CFD）发展现状和前景。

This article mainly describes the development status and prospects of computational fluid dynamics ( CFD ) concerning the drag and flow field in ship hydrodynamics .

基于SPAC系统的土壤水动力学模型研究

Study on the Soil Hydrodynamics Model for the Soil-Plant-Atmosphere Continuum ( SPAC ) System

将其应用于长江宜昌-螺山段实际洪水演进计算，并且其计算结果与用神经网络模型和基于Q、Z为因变量的水动力学方法计算的结果进行了比较，取得了满意的结果。

Compared with the results simulated separately by the neural network method and river dynamics method based on the variable of Q and Z. the calculation results of new model are found agreeable .

本论文还在排水管网GIS数据库基础上，对如何利用GIS数据来建立水动力学模型、建立地表径流和降雨入渗流模型、进行污水模拟和实现模型的率定、验证进行了初步的探讨。

The thesis discuss primarily how to build the hydrodynamic model 、 surface runoff 、 rainfall dependent inflow infiltration and sewage simulation and the calibration and the validate of the hydrodynamic model on the drainage pipe networks GIS database .

利用一维SaintVenant方程组、河网汊点连续方程及边界条件建立了河网水动力学模型；

Hydrodynamic model for river network is set up based on one-dimensional Saint-Venant equations , junction equations in all river junctions and boundary conditions .

近年的AUV仿真工作更多地集中于对AUV水动力学特性仿真数学模型的建立上，不能满足AUV群体协作策略级仿真的需要。

In the recent years , most efforts on AUV simulation are focused on hydrodynamic models , which cannot meet the demands of cooperative AUV simulations in strategy level .

通过透射电镜照片和激光动态光散射水动力学半径曲线证明了其单分散性；又通过红外谱图和热重分析图谱说明CTAB已经完全结合到了CdS纳米球上。

The electron microscopy and laser light scattering were carried out to demonstrate the monodispersity of CdS nanospheres . Surfaces of nanoparticles had been totally occupied by CTAB which was illustrated with infrared spectra and TG analysis .

非均匀土壤区域SVAT模型中土壤水动力学参数的整合研究

Integration of soil hydraulic characteristic parameters for SVAT model in a heterogeneous soil region : A case study

利用ISE软件的水动力学模型对不同材料结构的AlAs/GaAs/InGaAs双势垒共振隧穿二极管（DBRTD）的直流特性进行了模拟。

Direct current ( DC ) characteristics of AlAs / GaAs / InGaAs double barriers resonant tunneling diodes ( DBRTDs ) are simulated under different material structures parameters by hydrodynamic model of ISE software .

因此，运用RETC软件推导出的土壤水动力学参数还是可行的。

Therefore , it is feasible to use RETC software to derive soil hydrodynamic parameters .

结论：应用上巩膜静脉压力计有助于房水动力学的研究，并且可协助诊断伴有EVP升高的青光眼。

Conclusions ; Application of episcleral venomanometer is useful both in the study of aqueous humor dynamics , and also in the diagnosis of glaucoma associated with elevated EVP .

根据稳态的流动规律，分析H-K水动力学模型，研究欠平衡钻井稳态设计的压力计算模型。

According to the steady-state flow regular pattern , to analysis H-K hydrodynamic model , to collate pressure calculation model of under-balanced drilling steady-state design .

振荡水柱（OWC）波能转换器是目前世界上应用最广泛的一种。本文通过数值方法研究了振荡水柱波能转换器的水动力学特性。

The oscillating water column ( OWC ) wave energy converter is one of the most widely used facilities all over the world , whose hydrodynamic characteristics was studied by numerical method .

以土壤水动力学原理为基础，研究降雨条件下旱地土壤水分的运动规律，建立了一维垂直非饱和土壤水分运动的数学模型，采用有限差分法FDM求解数学模型。

On the basis of soil-water dynamics , soil-water movement rules in upland field with rainfall are researched , and a one-dimensional vertical unsaturated soil-water movement mathematic model is established . Finite difference method is used in solving the mathematic model .

根据架桥原理，可对孔喉形成较稳定堵塞的聚合物分子水动力学半径（Rh）与孔喉半径（R）的关系为：Rh大于0.46R。

According to the " bridging " principle , the relationship between the hydrodynamic radius ( R_ ( h )) of molecule that can block pore throat and the radius of pore throat ( R ) is : R_ ( h ) 0.46R .

本文根据水动力学平衡药物控释系统的设计原理制备了美托洛尔胃内滞留漂浮型控释片剂（简称M-HBS）。

An oral controlled-release system ( M-HBS ) of metoprolol was developed based on the hydrodynamically balanced controlled drug delivery system .

为了获得聚合物分子尺寸与油藏孔喉配伍性的关系，采用动态光散射（DLS）技术测定了南阳油田聚合物驱使用的多种聚合物分子的水动力学半径（Rh）。

In order to study the compatibility of polymer molecular size with porous throat in reservoir , hydrodynamic radius ( R_h ) of several kinds of polyacrylamide ( HPAM ) used in polymer flooding in Nanyang Oilfield was measured with dynamic light scattering ( DLS ) .

在试验的基础上，采用改进Feddes模型对根系吸水分布进行模拟，并运用土壤水动力学原理验证了模型的准确性。

On the basis of test , adopting the improved Feddes model simulated the distribution of root water uptake and then using soil water dynamics verified the accuracy of the model .

同时，讨论了无量纲的气室宽度、前墙淹没深度、水深、波高和透平系数等对波能吸收效率的影响。在此基础上，研究了OWC在消反射下的水动力学特性。

The effects of the dimensionless air-chamber width , immersed depth of the front wall , water depth , wave height and the turbine constant on wave energy extraction efficiency were discussed . Moreover , hydrodynamic characteristics of the OWC were studied under the anti-reflection condition .

最早由Ursell（1949）提出的多极展开法是一种在极坐标和球坐标系下解析求解海洋工程水动力学问题的方法，可提供深水中速度势有效精确的表达形式。

The multipole expansion method , first proposed by Ursell ( 1949 ), is an analytic method for solving hydrodynamic problems in ocean engineering in polar coordinates and spherical coordinates , which will provide an effective and accurate form of the velocity potential in deep water .

化工用低压废热锅炉的水动力学特性

Hydrodynamics for Low Pressure Waste Heat Boiler in the Chemical Industry

沙地土壤有机质与土壤水动力学参数的关系

Relationship between organic matter content in sandy soil and hydrodynamic parameters

网衣波浪水动力学研究

Study on the Mechanics of Wave Forces on the Netting Panel

一项混凝沉淀设施选择与设计中的水动力学

Water Dynamics in Choice and Design of Mixing and Precipitation Equipment

导弹出水过程中气/水动力学的研究

Research on Aerodynamics and Hydrodynamics in Exiting Water Process of Missile

土-作物-大气系统中动态根系生长及水动力学模拟

Simulation of dynamic root growth and water transfer in soil-crop-atmosphere system