Outlines the calculation method of vibration parameters, focusing on the modal strain energy method.
简述了理论计算振动参数的方法,重点介绍了模态应变能法。
We establish the strain energy method for solving the equivalent performance of singularity materials of orthogonal phases.
建立了求解正交各相异性材料等效性能的能量法。
In theoretical investigations, elastic strain energy method, fiber inclination model, three cells model and finite element model etc. are introduced.
在理论研究方面,介绍了弹性应变能法、纤维倾斜模型、三细胞模型和有限元模型等工作。
A strain energy method for unloading zonation is presented, and the application of Xiaowan Hydropower Station has confirmed its feasibility and efficiency.
给出了岩体卸荷分带的应变能方法,小湾水电站的实际应用表明该方法是可行的、有效的。
Impact stress and impact strain are solved by energy method. Stress - strength interference model can be used to impact investigation. Reliability design of impact has been studied.
用能量法求冲击应力和冲击变形。并将应力强度干涉模型运用于冲击问题,讨论了冲击的可靠性设计。
A new model_based method for structural damage detection, which is based on the theory of dissipation ratio of modal strain energy, is put forward.
本文提出了基于模态应变能耗散率理论的一种新的结构损伤识别方法。
Based on element local frequency change ratio method and element modal strain energy ratio method, numerical study is carried on to detect the damage of the bridge.
利用单元局部频率变化率法和单元模态应变能比法,对连续梁桥进行了损伤诊断的数值模拟研究。
Conclusions The high - energy bio - ion is a new, effective treatment method for chronic lumbar muscle strain.
结论高能生物离子是一种新的、治疗慢性腰肌劳损的有效方法。
The suitable bearing eccentricity method of influence matrix minimum torsion strain energy was presented for the first time, and the expression of the value of bearing eccentricity was educed.
首次提出了影响矩阵的最小扭转应变能设置支座预偏心的方法,推导出了合理支座预偏心值的数学表达式。
We use mainly the squariance method among sequence samples cluster analysis and the method of optimum partition, and combine the standard of release level of seismology strain energy to divide it.
主要使用了有序样品聚类分析中的离差平方和法、最优分割法,再结合地震学应变能释放水平进行划分。
In the method the modal strain energy of an element is divided into tension modal strain energy, torsion modal strain energy and bending modal strain energy.
该方法将单元模态应变能分解为拉压、扭转和弯曲模态应变能,利用单元的主要模态应变能分量与结构固有频率的改变量对结构裂纹位置进行识别。
Strain energy change is used as damage index and a nondestructive crack detection method is proposed.
把结构遭受裂缝损伤的应变能变化量作为损伤指标,提出一种新的无损裂缝识别方法。
An application of the equivalent strain energy density method for calculation of elastic-plastic notch-tip strains under tension loading is presented.
本文介绍了根据应变能密度原理估计拉载作用下缺口底部应力、应变的方法。
Used the maximum strain-energy theory and strength limit analytic method to check the important part such as sleeve, end-plate, etc.
运用最大应变能理论和强度极限分析法,对简体、端板等重要部件进行了强度校核。
The curve faired by this method tends to possesses smaller strain energy and rather uniform changes in curvatures.
利用这种方法得到的曲线不仅具有较小的应变能,而且曲率变化比较均匀,具有很好的光顺效果。
Based on genetic neural network and modal strain energy, a two-stage method for detecting diagonal cracks is proposed to identify the location, Angle and depth of diagonal cracks in beams.
基于遗传神经网络与模态应变能,提出了一种斜裂缝两阶段诊断方法,识别梁体中斜裂缝的位置、角度和深度。
In this paper, we have discussed two problems:(1) the method of representation of strain energy density function in the stress and strain spaces;
本文主要解决的问题有两点:1、在应力空间和应变空间中表示应变能密度函数的方法;
The design method of medical elastic assistive devices based on reverse engineering is proposed, and the expression for calculating strain energy of the elastic device is deduced in the paper.
提出了基于反求工程的医疗辅助弹性护具的设计方法,推导出弹性护具应变能的计算公式。
Using the criterion of "minimum bending strain energy", the optimum hoisting points of the column are determined with the method of "three step cycling coordinate search".
以“弯曲应变能最小”为优化准则、采用“三步循环坐标搜索法”求解最优吊点坐标。
The thesis combines finite element method, modal strain energy of change, and statistic method, develops a sort of damage statistic identification method.
本论文结合基于模态应变能改变的损伤识别方法、随机有限元法、概率统计方法,得出一套基于模态应变能改变的损伤统计识别方法。
Secondly, based on the analysis of strain energy of flexible robot, the motion planning method to minimize strain energy of flexible robot is proposed.
通过分析,说明柔性机器人的变形能能很好地反映机器人整体弹性变形情况,因此规划变形能对减小机器人弹性误差有着积极作用。
Micro-electro-mechanical system(MEMS); Accelerometers; Microstructure; Stiffness; Force method; Principle of work and strain energy;
微机电系统;加速度传感器;微结构;刚度;力法;功能原理;
Elastic finite element method are used to calculate the point of internal mould of the equivalent stress, equivalent strain, such as force and energy parameters and their distribution.
用有限元法计算了模具的温度分布,这为研究模具在不同温度条件下的应力状态做好了准备。
The energy shifts due to the strain and quantum confinement are calculated on the basis of deformation potential theory and Bastard's method, showing good agreement with the experimental results.
理论上分析计算了由应变和量子限制效应引起的自由激子的峰位移动,理论和实验符合很好。
Based on improved Genetic Alogrothm, a method to optimize the falsework layout of spatial steel structure is present with structure strain energy as object function.
基于遗传算法,以结构的总应变能作为优化目标函数,基于改进的遗传算法,提出了一种用于确定空间钢结构临时支撑体系布置方案的优化算法。
A new strain energy function was used to analyze a rubber wedge contact with a rigid notch. We found the asymptotic equations near wedge tip, and solved the equations with numeric method.
利用一种新的橡胶材料应变能函数,对橡胶楔体与刚性缺口接触大变形问题进行了分析。得到了楔体尖端场的渐近方程,对渐近方程进行了数值分析,得到了尖角附近应力及变形分布。
A new strain energy function was used to analyze a rubber wedge contact with a rigid notch. We found the asymptotic equations near wedge tip, and solved the equations with numeric method.
利用一种新的橡胶材料应变能函数,对橡胶楔体与刚性缺口接触大变形问题进行了分析。得到了楔体尖端场的渐近方程,对渐近方程进行了数值分析,得到了尖角附近应力及变形分布。
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