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分支模态
相关语句
  component modal
     Improved direct component modal synthesis method
     改进的直接分支模态综合法
短句来源
     Mixed Interface Direct Component Modal Synthesis Method
     混合界面直接分支模态综合法
短句来源
     The direct component modal synthesis method was introduced and tested, the very low accuracy of which was explained.
     介绍了直接分支模态综合法的基本原理并通过算例对算法进行验算,分析了该方法计算结果很不准确的原因并进行了改进。
短句来源
     A new method called Mixed Interface Direct Component Modal Synthesis Method is proposed. The method is developed on the basis of DCMS (Direct Component Modal Synthesis Method) which is essentially a free interface modal synthesis method.
     在直接分支模态综合法(本质上属自由界面模态综合法)的基础上,提出并深入研究了混合界面直接分支模态综合法。
短句来源
  branched mode
     RESEARCH ON PRACTICAL METHOD OF BRANCHED MODE FOR NEIGHBORING STRUCTURES FOUNDATION SOIL INTERACTION SYSTEM
     相邻结构-地基-土相互作用的分支模态实用研究
短句来源
  “分支模态”译为未确定词的双语例句
     The Branch Mode Synthesis Method for Analyzing the Seismic Responses of the High Electric Bank
     高耸电气贮架地震反应分析的分支模态综合法
短句来源
     According to the relation between substructural component mode and generalized mode, the branch mode is calculated.
     根据子结构分支模态与广义振型的关系算出子结构模态。
短句来源
     (5) When analyze fact engineering on special site, in order to reduce calculating workload, Two steps method branched inertia coupling is used, The results show which can combine with popular structure design software well, and supply available approach for engineering design.
     (5)在特殊地形上进行土-结构动力相互作用的实际工程分析时,为缩小计算规模,运用了分支模态二步分析法,事实表明该方法能很好地与现有广泛流行的结构设计软件相结合,为工程设计考虑相互作用影响提供了有效途径。
短句来源
     In this paper, the parallel algorithm of modal sythesis method for dynamic substructures is presented According to this algorithm, the whole structure to be analyzed is divided into many substructures and their component modes as well as modal transformations are computed by many CPU of the parallel computer ELXSI-6400 (in Xian Jiaotong University).
     本文根据动力子结构模态综合法,提出了相应的并行算法。 该算法有效地将整个结构分成独立的多个子结构,然后由多个CPU同时独立求各子结构的分支模态和进行各子结构的分支模态变换。
短句来源
     Each component's normal modes are obtained by the finite element method. According to the frequency truncation criterion, the dynamic properties of the VSP are acquired by solving the overall gun dynamic equations in which the degrees of freedom (DOF) are reduced greatly.
     依据频率准则,由有限元法求得各个子结构的分支模态,由整体自由度缩减的动力方程求得全地的动态特性.
短句来源
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  相似匹配句对
     Improved direct component modal synthesis method
     改进的直接分支模态综合法
短句来源
     Mixed Interface Direct Component Modal Synthesis Method
     混合界面直接分支模态综合法
短句来源
     cyaneus.
     cyaneus分支
短句来源
     A CLADISTIC ANALYSIS OF MAGNOLIACEAE
     木兰科的分支分析
短句来源
     Modal Interpretation of Quantum Mechanics
     量子力学的模态解释
短句来源
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A simple method for solving the lowest natural freqnency of a Vibro-benchis presented.By using the branch modes method of the model synthesis Techni-ques,the problem is simulated by a small order eigenvalue problem.Therefore,the foundamental frequency and its corresponding mode is easly obtained.Theexperiments show that the numerical results agree with the experimental resultsvery well.

本文介绍大型振动台台体复杂结构固有频率的一个简单计算方法。应用模态综合技术中的分支模态法,把问题归结为一个低阶广义待征值问题,计算结果和实测相符。

In this paper, the parallel algorithm of modal sythesis method for dynamic substructures is presented According to this algorithm, the whole structure to be analyzed is divided into many substructures and their component modes as well as modal transformations are computed by many CPU of the parallel computer ELXSI-6400 (in Xian Jiaotong University). Then the interface stiffness matrices and the mass matrices are assembled serially and the final reduced equations are solved. Backing to every substructuie, the...

In this paper, the parallel algorithm of modal sythesis method for dynamic substructures is presented According to this algorithm, the whole structure to be analyzed is divided into many substructures and their component modes as well as modal transformations are computed by many CPU of the parallel computer ELXSI-6400 (in Xian Jiaotong University). Then the interface stiffness matrices and the mass matrices are assembled serially and the final reduced equations are solved. Backing to every substructuie, the mode [Φ] of nodal displacements corresponding to [\ω~2\] can be solved independently and concurrently on the parallel computer. It shows that this algorithm on the parallel computer saves much computing time and is a very efficient method of dynamic analysis for large scale structures.

本文根据动力子结构模态综合法,提出了相应的并行算法。该算法有效地将整个结构分成独立的多个子结构,然后由多个CPU同时独立求各子结构的分支模态和进行各子结构的分支模态变换。再串行组集界面刚度和质量阵,并求解缩减后的整体方程。最后返回各子结构求结点位移对于(`ω~2`)的模态(φ),这一步也在各CPU内独立地同时进行。该方法在西安交通大学的ELXSI-6400并行机上程序实现,表明能有效地节省计算时间,为一种大型结构动力分析方法。

Two problems of torsional vibration analysis of FR-type automotive power train are investigated: one is the local vibration modes and the corresponding dominant substructures; the other is the modal symmetry and the simplification of analytical model for symmetrically branched axle shaft substructure. The results obtained here are helpful for proper simplification of the analytical model of torsional vibration and a comprehensive understanding of torsional vibration characteristics in automotive power train.

本文探讨FR式汽车动力传动系扭振的局部模态及其主导子结构和半轴子结构对称分支的模态对称性与模型简化问题,在这两方面取得了一些新的认识,有助于对这类汽车动力传动系扭振分析模型的合理简化和对扭振特性的深入认识。

 
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