轿车前轮侧滑统计建模

动用数理统计的方法并基于大量的实测数据，研究了国产某型轿车前轮侧滑分布参数及分布规律，建立了分布计算模型。轿车前轮侧滑统计建模研究对准确掌握该型轿车前轮侧滑统计规律，指导车辆检测与调整、改进产品设计以及制定或个性标准等具有重要的意义。     

基于期望间距的车辆跟驰模型的建立

以“期望间距”为基准参理，考虑驾驶员的心理和生理因素，建立了车辆跟驰模型，为研究驾驶行为提供了一种新的思路。     

轮胎在沙地上牵引特性的新预测模型

本文分析了汽车在松软地面上行驶时轮台的受力状态及轮胎单元与土壤的相互作用方式，揭示了轮胎在松软地面上牵引特性传充预测模型的不足之处，建立了轮胎在沙地上牵引特性的新预测模型，并进行了实验验证。结果表明，采用本文所建立的模型进行预测时，预测值与实测值更接近。     

考虑胎体复杂变形的轮胎非稳态侧偏特性理论模型

本文从肥体的一般变形模式出发，根据胎体的侧向弯曲变形及扭转变形计算出胎面的侧向瞬时变形，从而建立了小幅运动时轮胎非稳态侧偏特性理论模型。考虑胎体的复杂变形之后，模型能真实地反映轮台力学特性和物理实质。     

货车驾驶室结构动力模型修改

本文利用货车驾驶室的测试模态参数来修正其有限元动力分析模型。文中主要论述货车驾驶室模态参数识别、动力分析模型单元组合修正法和货车驾驶室动力模型修改。     

轻量化实景三维模型质量评定方法

以基于实景三维模型的BIM设计为导向,按照土建工程设计各阶段的不同需求,兼顾模型几何精度和纹理质量,提出轻量化实景三维模型数据质量评定方法。解决了轻量化后的实景三维模型数据质量控制的难题,为其广泛应用到BIM设计中打下坚实基础。改变了传统测绘数据成果的交付形式,从勘察测绘环节促使设计人员使用BIM技术,进而加快BIM技术的普及和应用,加强BIM技术应用的深度和广度,最终实现BIM技术在建筑行业全生命周期过程中的普及和推广。     

利用物理模型研究热扩散问题

山东威海华能电厂循环冷却水正态物理模型试验的目的是研究电厂设备冷却水排入海中后对海域及取水口的热污染问题,本文剖析了试验过程,内容包括电厂附近海域的自然条件分析、热扩散理论在模型中的应用、模型设计思想、试验设备量测系统与试验方法以及模型试验中需要探讨的问题。     

A pseudofield model approach to simulate compartment-fire phenomena for marine fire safety design

In order to prevent the spread of marine compartment fires, it is necessary to understand the governing factors or characteristics of fire-spread phenomena. We present a pseudofield model approach to this problem. We first described a field model of turbulent heat convection based on a standard k – turbulence model. Two-dimensional numerical simulations of a two-linked compartment fire were carried out in order to predict the turbulent convection flow induced by the heat released from the fire. Then a more complicated fire-spread problem of multilinked compartment fires was analyzed by means of a zone model, in which the amounts of oxygen consumption and gas generation were solved by a gas-balance equations system. The effect of threshold conditions on fire propagation and the effect of the thickness of the heat insulation were investigated with numerical simulations.     

A local model for the simulation of two–dimensional spilling breaking waves

A numerical model for the simulation of two dimensional spilling breaking waves is described. It is derived from a previous model which, in turn, takes its underlying ideas from the Cointe and Tulin theory of steady breakers. With respect to the former model, the present one is local, i.e., the inception, extension, and geometry of the breakers are determined through the local shape of the water surface. The model has been implemented in a RANSE code, which was developed for the simulation of ship flows, through a modification in the boundary conditions. This yields a simple and effective way to reproduce the breakers influence on the underlying flow. The resulting code has been used to simulate the flow past a submerged hydrofoil. The numerical results are compared with those of the previous model and with the experimental data obtained by Duncan.