55 kW、110 kW fire tests in a ISO room were simulated in field model (FDS) and zone model CFAST.
利用场模拟FDS和区域模拟CFAST软件,对ISO房间中55kW和110kW的火灾烟气层温度进行数值模拟,将不同尺寸网格划分条件和区域划分方法的计算结果与试验结果进行分析比较,在保证一定精度条件下,为减少计算所需时间而增大网格尺寸的可能性,并对区域模拟中采用多区域划分方法以提高计算精度的可行性进行了分析,为类似环境的工程应用,单区域划分和多区域划分方法的使用提出了建议。
The zone model could still be used to simulate the smoke movement in large spaces.
计算结果和试验结果对比表明 ,在大空间内仍可利用火灾区域模拟方法计算烟气的运动。
Then experimental fires were simulated with a CFD package based on a modified set of Navier-Stokes equations for thermally driven buoyant flow and Large Eddy Simulation(LES) while also using a two-layer zone model.
进行了船舶大空间舱室池火烟气自然填充的试验研究,分别采用修正的适用于热驱动浮力流的N-S方程组、LES方法的场模拟程序和双层区域模拟程序对试验场景进行了模拟研究,对烟气层的沉降规律和烟气温度分布规律进行了分析。
The construction of fire zone modeling involves two crucial steps:: establishing mathematical model for every phenomenon existing in course of a fire, and calculating some fire parameters such as compartment pressure,temperature, and height of smoke layer by solving equations.
建筑火灾区域模拟的工作核心有两部分:建立火灾发展过程中各个现象的数学模型;通过求解数学方程式得到室内压力、温度和烟气层高度等火灾参数。
Among the method of fire numerical simulation,zone modeling has some advantages,for example,it needs less support of computer hardware and its computing result consists with the experiment result well.
在火灾数值模拟方法中,区域模拟方法有其独有的优势,它对计算机硬件要求较低,计算结果与实验结果符合的较好。
In this paper, the time domain simulation method is employed to calculate and analyze the green water of a turret moored FPSO.
采用时域模拟方法,对一内转塔式系泊FPSO的甲板上浪问题进行了计算和分析,给出了甲板上指定点的垂荡运动时历及甲板上浪次数统计值,为内转塔式FPSO的设计提供参考依据。
An improved trigonometric series method for time domain simulation is proposed in this paper.
本文提出了用于时域模拟的改进的三角级数法,解决了频域内非均匀采样的随机过程时域仿真问题;引入疲劳缺口系数,考虑了缺口件应力集中对结构随机振动疲劳寿命的影响;采用雨流法对应力时间历程进行循环计数处理。
The Construction of Virtual Domain E-mail System based on Database
基于数据库的虚拟域邮件系统的构建
Taking A New Look At Virtual LAN
对虚拟局域网的新看法
Simulate Internet Working in Local Area Network;
在局域网中模拟Internet功能
Prepare domain structure (simulated domain hierarchy)
准备域结构（模拟的域层次结构）
Configure domain structure (simulated domain hierarchy)
配置域结构（模拟的域层次结构）
Effects of Domain Size Choice on the Regional Climate Simulation
区域尺度选择对区域气候模拟的影响
Characterizations of Uniform Domains, John Domains and Isometries in Hyperbolic Spaces, and the Quasiconvexity of Quasigeodesics;
一致域、John域和双曲等距映射的特征及拟测地线的拟凸性
TDCB simulation of electromagnetic waves in multi media regions
多媒质区域中电磁波传播的时域特征波模拟
Application of VLAN Technology in Metropolitan Area Network;
虚拟局域网技术在城域网中的应用与实践
Build the Regional Virtual R&D Center Push the Development of Regional Economy;
组建区域虚拟研发中心 促进区域经济发展
Field of Virtual Power--Study on the Online Game ZHENGTU from the Respect of Bourdiu's Field Theory
虚拟权力场域:场域理论视角中的网游《征途》
Choosing a hosting solution should include domain name registration.
选择虚拟主机一般也包括域名的注册。
A Comparative Study of Agricultural Products Virtual Water in the Red Triangular Region
红三角区域农产品虚拟水的比较研究
Key Problems Analysis for Virtual File System on WAN;
广域网络虚拟文件系统关键技术研究
Research on Ontology-Based Cross-Domain Virtual Prototyping Technology;
基于本体的跨领域虚拟样机技术研究
Simulation of Non-point Source Pollution Load in Jialing River Basin;
嘉陵江流域非点源污染负荷模拟研究
Simulating the Non-Point Pollution Load of Nirtrogen and Phosphorus in the Heihe Watershed Based on GIS;
基于GIS的黑河流域非点源氮磷模拟
Numerical Simulation and Experiment Research of Loading Identification in Time Domain;
时域载荷识别的数值模拟与实验研究