查询词典 integral element

Heat conduction equation ; Galerkin boundary element method ; Indirect boundary integral equation ; Simple layer potential2000 MSC:35F99; 35K05; 80M15

热传导方程； Galerkin边界元法；间接边界积分方程；单层位势

In the past, there exists difficulty for calculating nearly singular integrals arising from boundary element analysis of the problems of thin body. However, by now, the difficulty of nearly singular integrals has been resolved by analytical integral algorithm, which has been put into uses in analyzing the conventional structures and thin body structures in the potential problems.

过去边界元法求解薄体结构存在着几乎奇异积分的困难，目前几乎奇异积分问题已得到成功解决，解析积分算法也已成功应用于分析二维位势问题常规结构和薄体结构。

Structure ; sound radiation ; boundary element ; singular integral ; multi-frequency calculation ; sound radiation mode ; sound radiation sensitivity

国家自然科学基金；攀登计划结构；声辐射；边界元；奇异积分；多频计算；声辐射模态；声辐射灵敏度

Structure; sound radiation ; boundary element; singular integral ; multi-frequency calculation; sound radiation mode ; sound radiation sensitivity

工程科技II，工业通用技术及设备，声学工程结构；声辐射；边界元；奇异积分；多频计算；声辐射模态；声辐射灵敏度

Except the same characteristic as the conventional boundary element method, this method avoids the nearly singular integral , so it is one of effect numerical calculation methods.

该方法继承了传统边界方法的优点，而避免了传统边界元方法遇到的边界积分奇异性问题，是该问题一个十分有效的数值求解方法。

SFBEM not only retains the advantages of boundary element method, but also avoids solving singular integral equations.

样条虚边界元法是针对传统问接奇异边界元法存在的问题而提出的一种半解析半数值方法。

Compared with the boundary element method based NAH, the variable interpolation, the numerical calculation and the disposal of singular integral are avoided in this method.

提出了以分布源边界点法作为声场的全息变换算法，建立了基于分布源边界点法的声全息重建和预测的数学模型。

Through analyzing stress characteristics of prestress cored slab bridge,the finite element model of integral space is set up to analyze the lateral prestress analysis.

通过对预应力空心板桥桥面受力特点进行分析，建立其整体结构空间有限元计算模型，并针对性地进行施加横向预应力分析，可为此类问题的解决提供参考。

Wave equation ; spectral element method ; time integral method ; aeroacoustics

波动方程；谱元方法；时间积分方法；气动声学

Integral standard features also include an enclosed work area with a 600 CFM mist collection unit and a 40 gal recirculating coolant system with self cycling paper element swarf filtration.

整体标准外形构造也包括一个装有一个600CFM的水雾收集器的封闭式工作区域，和一个40加仑的带有自循环切屑过滤的循环冷却系统。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。