参数化的

This paper uses the ADAMS software to set up a dynamic model of tractor-trailer combination consisting of one tractor and five trailers with a total of 13DOF. The effects of drawbar length, articulation joint position on path following performance are investigated using parameter analysis method.

本文应用机械系统分析软件ADAMS建立了由一节牵引车和五节双轴转向拖车组成的汽车列车系统13个自由度的动力学模型，采用模型参数化分析方法，讨论了牵引杆长度、主车与拖车和拖车与拖车的铰接点位置对主车与拖车轨迹同辙性的影响。

The empiric parameter approach makes the results more realiable than the conventional method.This program is very u...

经验参数化方案的实现则使结果更为可靠，程序的设计使其对于显色剂分子系列的计算是相当有用和方便的。

The selection of fracture splitting forceparameter mainly depends on experience and no theory can abide by.In this paper aim at the technique of fracture splitting of engine connectingrod, the materials fitting to fracture splitting have been analysed, according tosome influence factors that the former has researched. The influence that thechemistry compositions to the mechanics function and the physical function insteel have been analyzed. The theory of quasistatic fracture splitting of suitableconnecting rod for engine EA827 has been studied. Aimed at the new materialC70S6, the quasistatic procedure has been numerical simulation analyzed bySPH non-mesh method. The solved stress intensity factor module andparameterize model building module have been developed based ANSYS byAPDL.

本论文主要研究发动机连杆裂解工艺，根据已知的一些连杆裂解影响因素，对适合裂解的连杆材料进行了综合分析，分析了钢中各组成化学成分对力学性能和物理性能的影响，针对新型裂解连杆材料C70S6钢，对捷达EA827发动机配套连杆进行了准静态裂解理论分析，并且利用SPH无网格方法对此进行了数值模拟分析，利用APDL开发了基于ANSYS的求解连杆裂解应力强度因子模块和参数化建模模块。

With consideration of various analysis methods for reinforced embankment, the model of homogeneous earth slope is setup on the base of Finite Element Method. Using ANSYS-APDL language, the nonlinear finite element program for static analysis of the high reinforced embankments is made in this paper.

在综合考虑加筋路堤各种分析方法的基础上，利用ANSYS的APDL语言，建立了基于有限元法的加筋路堤参数化模型，编写了对加筋路堤进行稳定性分析的非线性有限元程序，并且综合各种影响因素对加筋路堤结构进行优化设计。

This thesis mainly researches on following aspects: the structure , the working principle and the whole device parametrical model of soft start device for belt conveyer ; mechanism movement simulation; and properties of hydraulic-viscous friction drive . It also designs the hydraulic control systems and electrical control systems.

本文重点研究了带式输送机软启动装置的结构、工作原理、整机的参数化建模、机构运动仿真以及液粘摩擦传动的特性，设计了该装置的液压和电气控制系统。

Based on features of function modules and requirements of field product,configure hardware and parameter function modules.

根据设计的控制系统的特点，结合各功能模块的应用特点和现场生产的实际需求，对控制系统进行硬件组态和参数化配制。

One of the fundamental issues with history-based parametric feature modeling is how to effectively name and identify referenced topological entities.

拓扑元素的命名和辨识是基于历史的参数化特征造型中的一个关键问题，其实质是维护设计过程中隐含的设计意图。

One of the fundamental issues with history-based parametric feature modeling is how to effectively name and identify referenced topological entities. And its key point is how to maintain implied design intents during design process.

拓扑元素的命名和辨识是基于历史的参数化特征造型中的一个关键问题，其实质是维护设计过程中隐含的设计意图。

The result can be widely applied to many aspects of product design systems,such as parametric design by geometric reason-ing,decomposition of complex design tasks and dependency analysis of design parameters.

该方法在产品设计中有广泛的应用，利用这个模型和算法可较好地解决参数化设计中的几何推理问题，还可用作概念设计的工具，用于完成复杂系统设计任务的划分及定序、设计变量之间相互依赖关系分析等工作。

This paper presents a model and algorithms of causal qualitative reasoning based on integer programming. The result can be widely applied to many aspects of product design systems,such as parametric design by geometric reasoning,decornposition of complex design tasks and dependency analysis of design parameters.

该方法在产品设计中有广泛的应用，利用这个模型和算法可以较好地解决参数化设计中的几何推理问题，还可以用作概念设计的工具，用于完成复杂系统设计任务的划分以及定序、设计变量之间相互依赖关系分析等工作。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐