运用边界单元法将边界积分离散化。
The boundary integral equation is discretized by the boundary element method.
定义了边界单元和内部单元。
本文讨论用边界单元法解瞬变温度场问题。
The paper describes a boundary element method to solve problems in transient temperature fields.
处理基本解的奇异性是边界单元法的难题之一。
Deals with the singularities of the fundamental solution is one of the difficult problem of the boundary element method.
推导出常边界单元情况下边界切向应力的差分公式。
The difference equations for the boundary tangential stress are derived in the case of constant boundary element.
边界单元法是求解数学物理方程的一种数值计算方法。
Boundary Element method is a numerical method for solving the mathematic and physics equations.
本文研究了边界单元法的理论及其在解位势问题中的应用。
In this paper, we establish the theory for boundary element method and its application in potential problems.
采用了切线矢量加载和边界单元的约束方法建立分析模型。
In this paper, the tangent vector loading method and the boundary element restrain method was presented.
该研究表明,弹塑性边界单元法用来分析板带轧制是满意的。
The research shows that the elastoplastic BEM is satisfactory for analyzing flat rolling of plate and strip.
实例计算表明了无穷边界单元具有节省单元和精度高的优点。
Some examples are computed, and the results imply that the method presented in this paper can save lots of boundary elements and have a high accuracy at the same time.
本文运用边界单元法对低肋管的强化传热效能进行了数值计算。
A numerical calculation of enhanced heat transfer efficiency of LFT is finished in this paper by the boundary element method.
研究了用边界单元法解积分方程中点源和无穷边界的处理方法。
The treatment of point source and infinite boundary in solving the integral equation by BEM are developed.
然后用边界单元法解积分方程,求得磁性体表面的磁位及其法向导数。
Afterwards, using the boundary element method to solve the integral equation we can obtain the magnetic potential and its normal derivative on the surface of the magnetic body.
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。
This paper describes the dynamic boundary element method and its application to the analysis of dynamic effects of soil-structure interaction.
本文在计算板带轧制中的参数时应用了初始应力的弹塑性边界单元方法。
In the paper, the elastoplastic boundary element method (BEM) of the initial strain is worked at calculating parameters of flat rolling of plate and strip.
求解异常电位的边界单元法对电测深资料进行地形改正,应用效果明显。
The topographic correction of the electric sounding data by the boundary element method for anomalous potential is discussed, and the significance effect is obtained.
基于临界边界单元法,研究温度场中具有蠕变效应的冻土接触载荷传递问题。
The problem of transmission of loaded contact frozen soil with creep effect in the temperature field is studied using critical boundary element method.
实例计算的结果表明,边界单元法具有工作量少、精度高、适应性强的优点。
The calculation results show that the boundary element method possesses some advantages, such as less work, higher accuracy and wider use.
通过将裂隙之间的交线看作为内部边界,推导了多裂隙相交时的边界单元法公式。
Supposing that the intersection of multi-group fractures is treated as the internal boundary, a boundary Element Method of fracture network seepage flow is obtained.
本文提出用边界单元法计算重力异常,二维形体用线积分,三维形体用表面积分。
Tt is suggested in this paper that the calculation of the gravitational anomaly is performed by boundary elements method, curvilinear integral is for 2-D object and surface integral for 3-D object.
本文采用间接边界单元方法,研究了层状半空间中夹塞区对近场地震动的影响情况。
Applying indirect boundary element method, the influence of Underground Inclusions in layered Half-space on the near earthquake ground motions is investigated in this paper.
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。
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.
使用边界单元法计算无限大弹性介质中孔洞周边应力集中系数,可获得较高的计算精度。
High calculation accuracy can be obtained in calculating the concentration factor of the stress around infinite elastic medium cavities by using boundary element method.
对大型汽轮发电机空载磁场的实例计算表明,圆弧边界单元具有剖分简单、精度高等优点。
The example of calculating the excitation field at no-load for a large turbogenerator shows that the advantages of arc elements are highly accurate and easy to use.
通过两个算例的数值解与精确解的比较,说明边界单元法是求解工程声学问题的一种有效方法。
Numerical solutions of two examples are compared with analytical ones, illustrating the more effectiveness of BIE method in engineering acoustics.
边界单元法降低了求解空间的维数,减少了离散线性方程组的阶数,输入数据比较少,而工作效率高。
This method reduces the number of space dimension, makes the equation system lower order, less data input and higher efficiency .
如此,既能与边界单元几何形状基本拟合,又能高精度地模拟裂纹尖端附近位移和应力变化规律,并提高计算效率。
So such, both shape consistent with boundary element geometrical shape, and simulate crack tip close-by variety law of stress and strain with higher precision, and enhancing calculative efficiency.
本文用三维边界单元法对非完全隔水基坑的地下水的渗流域进行求解,运用内边界技术使计算简化并降低计算工作量。
Three dimensional boundary element method is applied to the solution of seepage area of groundwater in foundation pit which is not completely watertight.
理论计算研究表明,对于复杂条件下任意形状的充电矿体的充电场的研究,边界单元法是一种经济有效的数值计算方法。
Theoretical and computational research show that the Boundary Element method (BEM) is an economical and efficient numerical method for computing complex field of the charged ore body.
在此基础上,本文首次采用弹-粘塑性边界元法并结合锚喷支护考虑了隧洞掘进面时空效应作用问题,从而拓展了边界单元法的工程应用。
Based on the above work a space-time effect on the excavation face of tunnel with the function of bolting support is considered, thus the engineering application of BEM is developed.
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