Eigenfrequency, vibration pattern and damping ratio can be got by modal experiment. Then, these parameters can be used to structural design and optimization.
通过模态试验，可以计算出结构的固有频率、模态振型、阻尼比等参数，为结构设计与优化打下坚实的基础。
In structural design and optimization of double hulled ships, it is important to understand the behavior of their structures and energy absorption mechanism in collision events.
深入了解船体结构碰撞损伤特性和能量吸收机制是开展船舶耐撞性优化设计的前提。
The research in this thesis provides the valuable reference for the further research and application of big structural optimization design.
本文对大型结构优化设计的深入研究和应用提供了有价值的参考。
The theoretical and numerical methods of structural design optimization for offshore platforms are studied in this thesis.
本文主要研究了导管架海洋平台结构系统优化设计的理论与数值计算方法。
A numerical example shows that the structural analysis and optimization design model and method in this paper are valid and feasible.
算例表明：文中提出的随机结构分析和优化模型与设计方法是合理、可行和有效的。
The structural dynamic SA in project is of great importance for the study on dynamic design, optimization design, control theory and dynamic modification etc.
工程结构的动态特性灵敏度分析对工程结构的动态设计、优化设计、控制理论和动态修改等方面的研究有着十分重要的意义。
Based on the structural characteristics of bearing flange, the optimization model is established according to the objective function, design variables and constraints, and make a static analysis.
基于支承法兰盘的结构特征，通过目标函数的建立、设计变量的选取以及约束条件的确定建立了优化设计的有限元模型，并对法兰盘进行了静力分析。
To the designers of the gun, the building of FEM model is very useful in structural optimization design by shortening the period of design and reducing work intension.
有限元计算模型的建立，对于火炮结构优化设计、缩短研制周期和降低火炮设计人员的劳动强度都具有重要意义。
It provides the theoretical basis for structural design and parameter optimization of cutting head.
为截割头的结构设计和参数优化提供了理论依据。
The structural analysis and optimization design based on probability have wide engineering background and are of important theoretical significance and research worthiness.
基于概率的结构分析和优化设计有着广泛的工程背景和重要的理论意义与学术价值。
Test results provide an important basis for strength design and structural optimization of propeller blades.
为螺旋桨桨叶的强度设计与结构优化提供了重要依据。
An analytical model of thermal-hydraulic design and structural optimization was developed for a double-tube bundle heat exchanger of an integrated nuclear reactor.
建立了套管管束式换热器的计算模型，以便进行该种换热器热工水力学设计计算和结构优化。
At last, the recent applications and researches of multiobjective optimization methods in aircraft structural design are introduced simply.
最后，对多目标优化方法在飞机结构设计中的最新应用研究做了简要的介绍。
It has been very important to find very robust and very efficient algorithms for solving optimization problems at structural optimum design.
寻找高度鲁棒的、高效率的优化问题求解算法始终是结构优化设计中一个重要的课题。
This design software improves the efficiency of structural design and provides a basis for subsequence analysis or optimization.
该系统设计软件提高了光学收发箱体结构设计效率，为后续的分析优化奠定了基础。
Among the existing optimum design models, majority only aim at the optimization which just in the definite conditions and the factor of structural reliability is ignored.
现有的结构优化设计模型绝大多数是针对确定性情况下的优化，对工程结构的可靠度考虑不多。
The mutual matching of rigidity from three directions between elastic ring and sensor is the core of problem of structural optimization design of piezoelectric milling force-measuring platform.
压电磨削测力平台结构优化设计的核心是弹性环与传感器三向刚度相互匹配的问题。
So, structural analysis and optimization in design are important for improving the product quality and reducing the production cost.
故在设计阶段对其进行结构分析和优化设计，对提高产品质量、降低生产成本具有十分重要的意义。
The design standard for the breakwater of "Nuclear Power Plant", the structural selection, the optimization of the scheme and the anti-seismic model test results are mainly introduced in this paper.
介绍核电工程防波堤的设计标准、结构选型、方案优化和有关波浪、抗震模型试验研究成果等。
The most important link of structure optimization design is structural form selection which belongs to structure conception design and takes on stong soft science decision making characteristics.
结构体系优选属于概念设计范畴，是结构优化设计中最关键的一个环节，具有强烈的软科学决策特点。
Besides static strength, the problem of optimization and design was studied when the failure took place owing to structural linear elastic buckling in this paper also.
在开展结构静强度优化设计的同时，对元件在线弹性范围内的屈曲可靠性优化设计问题做了初步的研究。
The result shows that this mathematical model could give some reasonable guidelines to the formulation design of the thermal insulating coatings and the structural optimization of the cenospheres.
结果表明：该数学模型可用于指导隔热涂料的配方设计以及空心微球的结构优化。
On the basis of above, this method provides a theoretical basis for bicycle customization design and structural optimization.
该方法为自行车的客户化定制和结构优化设计提供了一定的理论依据。
This computational method will be helpful for the calculation of low-cyclic fatigue life under other conditions, and is beneficial for the research of the optimization of structural design.
这为我们进行各种疲劳寿命计算以及结构优化设计提供了一个新的思路和方法。
When doing structural optimization calculations, first-order method is more commonly used, because of it is more sensitive to design variables and Converge faster. The results would be more accurate.
在结构优化设计计算中，一阶方法是较常用的方法，它对设计变量更加敏感，收敛速度快，计算结果更精确。
The optimization method can be used in structural optimization design and light-weight design for other parts of guns.
为了有效地减轻火炮质量，对某火炮上架进行了结构优化设计。
The paper presents the structure of this platform, the application of the expert system in crusher scheme design and the optimization design of the structural parameters of jaw crusher.
本文介绍了这一平台的结构，在破碎机的方案设计和颚式破碎机的结构参数的优化设计专家系统的应用。
In research and development of space antenna, the natural characteristic analysis and structural design optimization are very important.
在空间天线结构的研制过程中，结构固有特性分析和结构优化设计是非常重要的两项研究工作。
The researches and applications of evolutionary design in the last decades are summarized, especially its applications to structural optimization, conceptual design and artificial life design.
综述了演化设计的现状和进展，侧重介绍其在结构优化、方案设计、人工生命设计中的应用及所用的方法。
The researches and applications of evolutionary design in the last decades are summarized, especially its applications to structural optimization, conceptual design and artificial life design.
综述了演化设计的现状和进展，侧重介绍其在结构优化、方案设计、人工生命设计中的应用及所用的方法。
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