自然边界积分方程分析可直接获得边界应力和位移导数。
The natural BIE can be employed directly to obtain boundary stresses and displacement derivatives.
通过实验给出了桥墩的边界应力及内部应力,并绘出了相应的主应力迹线。
Based on the experimental results, the boundary stress and inside stress of the bridge pier are given and the relevant trace of the principal stress is drawn.
第二个问题是利用部分边界的边界应力分布或变化边界形状控制表面位移分布。
The second one is an optimal problem of displacement distribution by controlling partial surface traction distribution or varying the surface shape etc.
构件边界上的应力可由弹性体的边界应力和边界面力的关系,通过物理方程和几何方程求出。
The stresses at the boundary can be calculated by the physical equation and the geometric equation according to the correlation between the stresses and the traction at the boundary.
同时,给出了不同条件下密集颗粒样本的生成方法,分析了边界应力、初始构型、加载速率、粒子间的摩擦系数等对颗粒系统目标构型的影响。
The influences of boundary stress, initial configuration, loading rate and friction coefficient between particles on the state and configuration of dense granular system are also examined.
当单元破裂后,将破裂单元作为内部边界,利用有限元方法计算由于这个单元破裂对系统其他单元造成的应力调整。
After a cell is broken, the stress adjustments of the other cells in the system are obtained by finite element method using the broken cell as inner boundary.
当荷载作用边界随时间变化及在动力荷载作用下,网格生成器可随应力集中区域的变化而动态退化与再加密网格。
When the load boundaries vary with time and under the dynamics loads, the mesh generator can derefinement and re-refinement dynamically mesh with moving of stress concentration region.
分别采用六种载荷边界条件和三种位移边界条件对曲轴应力和变形进行了有限元分析;
The stress and deformation of crankshaft are calculated by finite element method with six load boundary conditions and three displacement boundary conditions.
为精确模拟该结构的应力状况,该文提出一种三维高阶快速多极边界元法。
The stress fields of such structure around the opening were predicted using a three-dimensional, higher-order fast multipole boundary element method.
本文将边界元法引入光弹性应力分析使主应力分离问题得到简化,从而使光弹性应力分析方法更简便可行。
In this paper we use boundary element method to separating main stress. It can simplify the problem and provide a practical method for separating main stress.
本文提出了求解平面弹性问题的应力边界元法。
In this paper the boundary element method based on stress for solving the elastic problems of the plane is proposed.
同时研究了数值分析中温度荷载作用下应力边界条件和位移边界条件对温度应力的影响。
To investigate the influence of mechanical boundary conditions on the thermal stress, a comparison of the results between displacement boundary and stress boundary is made.
在它的作用下,块体边界或某些部位出现应力不均匀并有应变能的积累。
The stress non uniformity and accumulation of energy on the boundary or in certain parts of some blocks appear.
接触问题是非线性问题,涉及到应力集中、局部边界非线性、切向力的不可逆性等一系列非线性问题。
The contact problems are non-linear problems, which relate to stress concentration, local boundary nonlinear, no-reversibility of shear force, and so on.
圆柱滚子轴承在载荷作用下的应力分析,是典型的边界非线性的接触问题。
To compute the stress of the cylindrical roller bearings under loading is a typical boundary nonlinear contact issue.
论述了恰甫其海水电站压力钢管进人孔边界效应分析与具体应力计算。
The paper deals with boundary effect analysis and concrete stress calculation of manhole for steel penstocks in Qiapuqihai hydropower station.
研究了印刷电路板在线测量状态下印刷电路板受力点边界的应力分布规律。
Research the stress distribution regulation of the stress point boundary with the PCB in-situ measurement.
弹塑性边界元法中初应力(或初应变)奇异体积分的计算一直是一个较为困难、但又是非常重要的问题。
The calculation of the initial stress (or initial strain) singular integrals in elastoplastic boundary element method is a difficult, but an important problem.
利用裂纹尖端的奇异元和线性元插值模型,给出了扭转刚度和应力强度因子的边界元计算公式。
Using the interpolation models for both singular crack tip elements and other crack linear elements, the boundary element formulas of the torsion rigidity and stress intensity factors were given.
给出了三种加卸载应力边界条件下的算例。
We give calculation examples for three kinds of loading unloading stress boundary conditions.
还探讨了边界配置法求应力强度因子时的收敛性问题。
The convergence problem of boundary collocation method used to calculate the stress intensity factor is also investigated.
级数解有容易积分和边界上的应力比较准确的优点。
The series method has advantages of easier integration and better accuracy of stresses near boundary.
不同的边界条件对股骨柄的应力值影响较大。
The stem stress is significantly affected by boundary conditions.
根据二阶应力边界条件,确定出了固体板内的二阶积累波。
Second-order cumulative waves have been fully determined by applying the boundary condition of second-order stress.
本文用匹配方法讨论定常流中细长立管所产生的应力边界层现象。
The present paper discuses, with the method of matched asymptotic expansions, the stress boundary layer of the slender riser in a steady flow.
结果表明受风载荷的雷达罩的最大应力发生在截球底座的边界上。
The results showed that the maximum stress was located in the ground circle of the radome.
计算时把温度场和热变形作为结构应力计算的边界,获取活塞镶圈在热负荷状态下的综合应力场。
The temperature field and thermal deformation of the piston and ring carrier was used as the boundary in the calculation of stress field.
川滇应力区东边界(东边的应力转换带)基本上与川滇菱形块体的东边界相吻合;
The eastern boundary of Sichuan-Yunnan stress zone (the eastern stress transition belt) is basically consistent with the eastern boundary of Sichuan-Yunnan rhombic block.
在用边界元法作弹性应力分析中,不能直接计算出弹性体边界切向应力。
The tangential stress at the boundary can not be gained directly in the application of Boundary Element Method to analysing elastic stress.
将改进的滤波算法和随机边界元法结合,提出了用于预测接触应力的逆随机边界元法。
An inverse stochastic boundary element method for prediction of contact stress is presented by combining improved filter algorithm with stochastic boundary element method.
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