采用多体动力学笛卡尔坐标建模形式。
Descartes coordinate modeling of multibody systems dynamics is adopted in the thesis.
本方法应用了多体动力学和傅利叶分析的最新成就。
The procedure is based upon recent advances in multibody dynamics and in Fourier analysis.
建模方法和数值求解是多体动力学分析的核心内容。
Modeling and numerical solutions are the kernel contents of dynamics of multibody systems analysis.
当今汽车工业开发过程中越来越依赖于多体动力学模型预测车辆载荷。
Automotive engineering development processes are growing more dependent on the use of muti-body dynamic (MBD) models for generating vehicle loads.
重点考虑后坐部分变质量、多体动力学方程与内弹道方程的耦合等因素。
Some important factors are considered, which include variable mass of recoiling parts and coupling between multi body dynamic equations and interior ballistic equations.
基于柔性多体动力学理论，提出了变拓扑结构多体系统动力学建模方法。
Based on flexible multibody dynamics, a dynamic modeling method on multibody systems with changing topologies is proposed.
将系统约束分为基本约束和条件约束，建立了变拓扑结构柔性多体动力学模型。
Classifying the system constraints as basic constraints and variable constraints, a model of flexible multibody with changing topologies is developed.
基于柔性多体动力学理论，对可展开天线进行了系统建模和动力响应计算及分析。
Based on the theory of Flexible multi-body dynamics, the model of deploy-able antenna is established, and the dynamic response and analysis calculation to large space deployable antenna is done.
基于多体动力学分析软件ADAMS，建立了空间望远镜可展开主镜的虚拟样机模型。
The virtual prototype of the deployable master mirror system of the space telescope is established by using ADAMS(Automatic dynamic analysis mechanical systems).
应用多体动力学理论，建立了包含分度凸轮-链系统的模切机步进系统虚拟样机模型。
The virtual prototype model of indexing cam-roller chain drive system of die-cutting machine is constructed in the computer environment based on multi-body dynamics theory.
采用基于多体动力学原理的虚拟样机技术，建立了塑料外壳式断路器操作机构的动力学模型。
A novel dynamic model of molded case circuit breaker operating mechanisms was built based on multi-body dynamics principle adopting virtual prototyping technology.
应用多体动力学方法，分析了旋转叶片动力刚化效应产生的原因及其对叶片振动模态的影响；
The stiffening effects of the rotating blade are discussed, using the multi-body dynamics method. The influence of the dynamic stiffening effect on the blade vibration mode is then analyzed.
在分析多体动力学仿真计算中广泛使用的增广法基础上，提出了一种基于稀疏矩阵技术的改进算法。
On the basis of analysis on augmentation approach widely used in the multibody dynamic simulation, an improved algorithm based on sparse matrix technique was proposed.
利用多体动力学方法建立了基于ADAMS软件平台的整车刚柔耦合多体系统操纵动力学仿真分析模型。
Based on multibody system dynamics method and ADAMS software platform, a rigid-flexible coupling multi-body model is built for vehicle dynamics simulation.
总之，文章比较系统的阐述了基于多体动力学和有限元分析研究客车车身骨架结构疲劳特性的基本思路。
In short the article gives a systemic basic researching idea of fatigue characteristics of the bus body structure based on multi-body dynamics and finite element.
结果表明，多体动力学仿真技术可以帮助工程技术人员提高产品的设计质量，降低开发成本，缩短开发周期。
The results show that dynamics simulation technology can help engineer improve the production design level and reduce development costs and shorten development period.
结合有限元和柔性多体动力学方法建立了该柴油机整机仿真模型，进行整机振动烈度和辐射噪声的模拟研究。
Finite element method and flexible multi-body dynamics method are used to establish engine simulation model, calculate engine vibration intensity and radiated noise.
采用多体动力学软件MADYMO建立儿童乘员侧面碰撞仿真模型，并通过台车试验结果验证仿真模型的有效性。
A mathematical model of a child occupant in side collision is developed by using MADYMO software and the validity of the model is evaluated by comparing results between simulation and sled test.
介绍了一种运用多体动力学进行机械系统仿真的新方法——矢量网络法，包括建模方法和其常规公式化的解题程序。
This paper describes a new method to simulate mechanical systems with the theory of multibody system-vector network method, including the modeling method and the normal formulized procedure.
利用多体动力学仿真分析软件ADAMS，对断路器机构系统进行动态仿真建模与分析，获得其分闸过程的动态特性。
The model of ACB mechanisms for dynamic simulation was built with multi-body dynamics simulation program ADAMS, and the dynamic characteristics were obtained by simulation analysis.
基于柔性多体动力学理论，借助虚拟样机技术，在微机平台上搭建了计算机辅助集成技术（CAX）辅助集成分析环境。
PC-based CAX integrated analysis environment is first established using the flexible multi-body dynamics and virtual prototyping technology.
为了向交通事故再现提供新的依据，研究了动量冲量法与多体动力学法结合的乘员运动仿真，提出了两类算法的耦合方法。
In order to provide new proof for accident reconstruction, the method of occupant kinematics reconstruction using the coupling of momentum-based method and multi-body dynamics method was studied.
详细叙述了ADAMS软件的多体动力学分析原理，对希望从底层开发自主知识产权虚拟样机仿真软件的人员有一定的参考价值。
Multi-body-dynamics theory about ADAMS software is discussed in detail, which may be helpful to somebody interesting in developing our VP software owned knowledge patent.
在建立农用运输车整车多体动力学模型的基础上，借助于软件ADAMS和笔者编制的软件研究了农用运输车平顺性仿真的方法。
Based on an established multibody dynamics model of farm transport vehicles, with the help of the code ADAMS, the ride comfort simulation method was studied.
这种解算模式，实现了多体动力学解算仿真中，模型与解算逻辑的分离，维护了系统仿真中构件、铰约束、力元等组件的状态一致性。
Separating solving logic from multibody dynamics model, the consistency of status of constraint and force element component was achieved in multibody dynamics system simulation.
有限元理论、多体动力学理论、疲劳理论为汽车零部件设计提供了先进手段，通过对汽车零部件虚拟模型的分析，可以找到在设计阶段的问题。
The finite element theory, the dynamics theory offers an advanced method. During the analysis of the virtual digital model, we can find the problem exist in the initial stages of design.
以此为基础阐述了建立平面多体机械系统键合图模型的一般方法及其动力学原理。
Based on this, the generic procedure of modeling planar multibody mechanical systems by bond graphs and its dynamic principle are described.
刚柔耦合多体机械系统动力学微分方程组具有刚性和高频振荡的特点。
The dynamical equations of rigid flexible coupling multibody systems have characters of stiffness and high frequency oscillation.
以此为基础阐述了建立非惯性系平面多体机械系统键合图模型的一般方法及其动力学原理。
Based on this, the generic procedure of modeling planar multi body mechanical systems by bond graphs and its dynamic principle are described.
以此为基础阐述了建立非惯性系平面多体机械系统键合图模型的一般方法及其动力学原理。
Based on this, the generic procedure of modeling planar multi body mechanical systems by bond graphs and its dynamic principle are described.
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