提出了一种基于神经网络的结构动力模型修正方法。
An updating technique for structural dynamic models is proposed in this study on the basis of neural network.
结构动力模型修正是当前结构动力学领域一个重要的研究方向。
The structural dynamics models updating have become increasingly important in the structural dynamics field.
本文主要研究结构动力模型修正中的数学理论与方法，研究了一类特殊结构模型修正问题，并为线性结构有限元动力模型修正提供了有效的数值方法。
This dissertation was to study the mathematical theories and methods for structural dynamical model updating. It gave the solutions and the numerical methods of a special structure model updating.
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。
Based on the modal test results of truck cab, the finite element model for dynamic analysis of the truck cab was modified.
提出一种基于变形修正的动力模型简化方法。
A new model reduction method based on deformation modification is presented for dynamic analysis.
提出一种基于柔度修正的局部刚体化结构动力模型简化方法。
A new model reduction method for dynamic analysis of complex structures based on Quasi-Rigid-Body mode and Flexibility Modification is presented.
最后采用多自由度模型计算了凸轮经动力修正后的运动学及动力学特性。
Furthermore, using more freedom modeling, the CAM characteristic of kinematics and dynamics are calculated after dynamic improving.
利用试验数据修正航天器结构动力模型时，使用缩聚方法使有限元自由度与试验自由度匹配。
When the spacecraft structural dynamic model is updated using test data, the freedom of FEM can be matched with test freedom by means of reduction method.
采用裂纹深度修正的非线性开闭裂纹模型，研究涡动影响下挠性裂纹转子的动力学行为。
A nonlinear crack modal, modified by the crack depth, is used to study a cracked rotor with the influences of whirl speed.
利用由雪耙模型导出的Z箍缩聚爆时间表达式，并结合“强光一号”Z箍缩实验结果，修正了由一维等熵气体动力学得到的喷嘴气流线质量表达式。
Combining the data of gas puff Z pinch experiments on Qiangguang I generator, the expression of the line mass is obtained using the implosion time expression which is deduced from snow-plow model.
本文提出将实物仿真与计算机仿真相结合，建立基于实验数据的机械系统动力学模型，研究了对系统动力学模型的修正方法。
This paper gives out the model of mechanical system dynamics and builds the correcting method for system dynamics model, which is based on the obtained data and computer simulations.
采用本方法对摇臂钻床模型中立柱与底座结构系统初始动力学模型进行了修正。
Using this method, the author has modified the initial dynamic model of the structure with column and base in the radial drilling machine model.
基于频响函数的结构有限元模型修正技术是当前结构动力学领域的重要研究方向之一。
Structure finite element model updating technology based on the frequency response function is one of the most important directions in current structure dynamics research.
修正结果表明：这种联合静动力的模型修正方法物理概念清楚，能充分利用静动力测试数据，经过修正后的有限元模型能够反映该桥的实际工作状态。
The updating result indicates that the physical conception of this combined static and dynamic model updating method is definite and can fully use the static and dynamic testing data.
在此基础上，采用基于灵敏度分析的模型参数修正方法，结合索塔动力特性的测试结果对索塔的初始有限元模型进行了动力修正。
The finite element model of the tower is further dynamically updated according to ambient vibration test through modal sensitivity based model updating method.
本文提出一种阻尼不相似动力学模型的时域响应修正方法来解决这一问题。
This problem results in that the measured dynamic response of scaled model with damping errors can't directly be used to predict the structural prototype's response.
利用三维有限元方法计算的结构动力特性和简化结构动力特性相等的原则修正升船结构简化力学模型，并确定了等效的升船机简化结构模型和系统参数。
Based on the dynamic characteristics obtained with three dimension finite element method, the reduced mechanical model and parameters of lift ship structure can be modified and obtained.
综合两种建模方法优点的模型修正技术随之兴起，成为当前结构动力学领域的重要研究方向之一。
Integrated model updating technology of two kinds of modeling methods is rising, and becomes one of the most important directions in current structure dynamics research.
综合两种建模方法优点的模型修正技术随之兴起，成为当前结构动力学领域的重要研究方向之一。
Integrated model updating technology of two kinds of modeling methods is rising, and becomes one of the most important directions in current structure dynamics research.
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