The research shows that the three-dimensional acoustic boundary clement model is an efficient and highly accurate method of sound field analysis of reactive mufflers.
研究结果表明,三维声学边界元模型是抗性结构消声器声场分析的有效方法并具有较高精度。
The error analysis proves that this method can realize the exact identification of the structure boundary support stiffness if the modal test results are of enough accuracy.
误差分析表明,如果模态试验结果具有足够的精度,用本文方法能够准确地实现结构边界支承刚度识别。
The screwdown block is improved by mechanics analysis with boundary element method, and a simple device is designed for dynamic load of oil film bearing used in high-speed wire rolling mill.
通过采用边界元法对高线轧机压下垫块改造模型进行力学分析,开发设计一种适合测量高线轧机油膜轴承动态载荷特性的简易装置。
Boundary surface analysis method for workspace of double-octahedron variable geometry truss robotic manipulators(VGTRM) is proposed in this paper.
提出了二重八面体变几何桁架机器人工作空间的边界曲面分析方法。
The data compression effect of multiresolution wavelet analysis can improve the efficiency of energy method, and energy method can deal with boundary constraints.
利用多分辨分析的数据压缩作用来提高能量法的效率,利用约束能量法来处理边界约束。
Furthermore, it performed the parametric analysis in terms of feedback gains and delayed time using the root locus method, thus obtaining the system's flutter stability boundary.
进而采用根轨迹方法就反馈增益和延迟时间进行参数分析,获得系统的颤振稳定性边界。
Lastly, the perturbation boundary element method is verified against the analytical solution and is applicable to transient pressure analysis of arbitrarily shaped reservoirs.
与解析方法的对比表明,本文的扰动边界元方法计算精度很高,适用于任意形状非均质油藏的不稳定压力动态分析。
Their results show that the dynamic boundary element method is effective in the analysis of soil-structure interaction. boundary integral equation, potential function. Laplace transform.
结果表明动力边界单元法在土一结构动力耦合效应问题中的分析是一种有效的方法。
This paper presents a probabilistic boundary element method for analysis of structural responses to static loads, when the shape parameters of structures are considered as random variables.
讨论了当把结构的形状参数考虑为随机变量时,平面结构静响应统计特性分析的随机边界元法。
This paper describes the dynamic boundary element method and its application to the analysis of dynamic effects of soil-structure interaction.
本文研究了动力边界单元法及其在土一结构动力耦合效应分析中的应用。
A brief discussion is made in the paper on the effectiveness of the boundary element method to the stress analysis of the welded joints.
同时还简要讨论了用边界元法进行焊接接头应力分析的有效性。
Two versions of the Boundary Element Method (BEM) suitable for the analysis of mining layouts of tabular orebody were developed.
适合于层状矿体采矿设计分析的两种边界元法得到了研究。
By this method, it is easy to construct the EFGM matrix formulation of consolidation equations and to deal with different boundary conditions in calculation and analysis.
在计算分析中,此法容易构造固结方程的EFGM刚度矩阵和处理不同边界条件。
The article summarizes the dynamic analysis method and the artificial boundary and damping of numerical dynamic analysis in previous.
本文对以往数值动力时程分析过程中的动力分析方法、人工边界、阻尼等问题进行了总结。
Local artificial boundary of seismic analysis is widely used in time-domain finite element method for its good feasibility and high numerical stability.
地震分析中的局部人工边界由于具有易于实现、稳定性较好的特点,目前在时域有限元法中得到广泛应用。
Study on applying the theory of inverse analysis and in-out boundary element method to forecast the pressure of soft rock tunnel 'surrounding rock and supporting deformation.
研究了用反分析理论和内、外边界元方法预测软岩巷道围岩压力和支护变形。
A boundary element method for the analysis of interfacial slip in fiber-reinforced composites under transverse loading is presented.
用边界元方法对横向载荷作用下纤维增强复合材料界面的滑移进行分析。
The comparison and analysis on the finite element method and the boundary element method of high-pressure pervious lining tunnel have been conducted.
主要进行了有限元法高压透水衬砌隧洞和边界元法高压透水衬砌隧洞的比较分析。
Combining boundary element method (BEM) with the perturbation theory, this paper presents a perturbation method based on BEM for shape design sensitivity analysis of elastic structures.
本文将边界元方法与摄动法相结合,提出了计算结构响应对其形状改变的灵敏度的边界元摄动法。
After carrying out a theoretical analysis of vibration and sound radiation of mill cylinder, simulation for acoustic field has been preceded by boundary element method.
本文对球磨机筒体的振动和声辐射进行了理论分析,然后结合边界元方法对筒体辐射声场进行了仿真分析。
The boundary calculation method for group sequential interim analysis of single variable can be extended to multiple endpoints interim analysis.
确定单变量成组序贯期中分析界值的方法可以扩展用于多终点期中分析。
Theory of boundary layer mainly researches the liquid in the boundary layer along the surface of an object, use a method including hydrodynamics and numerical analysis to solve the questions.
边界层理论以在流体中运动物体的表面附近的流体为研究对象,将流体力学和计算力学有机地结合起来以处理相应的问题。
The numerical analysis of structures with thin bodies is one of the difficult problems in the boundary element method.
薄体结构的数值分析是边界元法的难点问题之一。
The effectiveness of the method was verified through boundary element analysis of examples and the sound field of a SIMULA...
通过对算例及模拟齿轮箱辐射声场的边界元分析,证实了本文方法的有效性。
The resistivities of grain and grain boundary were measured by the method of complex impedance analysis, the deficit compensation mechanism of donor acceptor was analyzed.
采用复阻抗方法测量了晶粒、晶界电阻值,初步分析了施受主的缺陷补偿机制。
Concerns BEM (boundary element method) of electric current concentrating effect and temperature rising analysis at the crack tip with high density electric pulse.
给出金属板在高密度电流脉冲下裂纹尖端电流集肤效应和急剧发热升温解析的边界元法。
Theoretical analysis and calculation show that the method is simple and direct, easy to handle the boundary condition, precision of calculation is also high.
理论和计算表明,本文方法简捷,边界条件易于处理,计算精度较高。
This paper makes an analysis of the permanent magnetic machine's electrical magnetic field through the boundary element method.
本文采用边界元方法对永磁电机电磁场进行了分析。
The Focal Performance Analysis of Cylindrical Microlenses by Boundary Element Method;
采用对偶边界元方法分析了梯度材料中的矩形裂纹。
The Focal Performance Analysis of Cylindrical Microlenses by Boundary Element Method;
采用对偶边界元方法分析了梯度材料中的矩形裂纹。
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