The treatment of point source and infinite boundary in solving the integral equation by BEM are developed.
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。
In this paper, the infinite boundary method is proposed for elasticity analysis in the infinite or semi-infinite domain.
本文采用无限边界元法对无限或半无限域作弹性分析。
The relations between the displacements and the stresses on the surface of semi-infinite body are obtained by introducing the infinite boundary conditions.
引入了半无限体的无穷边界条件,推导出半无限层表面的位移与应力关系式。
A least-squares mixed finite element methods for the first-order system formulation of second-order elliptic problems and a formulation for the infinite boundary conditions are presented.
研究了无穷边界的二阶椭圆问题,探讨了将其转化为一阶系统的最小二乘有限元逼近方法。
In this paper, a coupling model of Beam element finite element boundary element Infinite boundary element for the analysis of structure foundation system in frequency domain is established.
采用梁单元、有限元、边界元、无限边界元相结合的方法,建立了频域中结构-半无限地基系统的分析模型。
To draw this boundary, physicists and mathematicians use a distorted length scale similar to escher 's, squeezing an infinite distance into a finite one.
为了画出这个边界,物理学家和数学家利用了类似于艾雪所用的扭曲尺度,将无穷大的距离压缩成有限的长度。
The nonlinear equation group expressed by infinite series was made up in the condition of different water level and recharge quantity on two lateral linear recharge boundary.
对于两侧直线补给边界水位和补给流量不同的情况,建立了无穷级数表达的非线性方程组;
The first is establishing artificial boundary problem, because of simulating the infinite field from the finite field in which intercept from the infinite field, so we introduce artificial boundary.
用有限元模拟波动问题,其首要问题是人工边界的设置问题,由于要从无限域中截取有限区域来模拟无限域,所以要引入人工边界。
The paper evaluates the limitations that semielliptical surface crack in a shaft is simplified to a unilateral crack in a finite boundary plane and a cross straight line crack in a semi infinite body.
评价了将轴表面半椭圆裂纹简化为有限边界平板的单边裂纹问题和半无限体表面穿透直线裂纹问题来处理的局限性。
In this paper, we investigate a nonoverlapping domain decomposition algorithm for elliptic boundary value problems with infinite concave Angle domain.
研究无穷凹角型区域椭圆边值问题的一种非重叠型区域分解算法。
Anti-de sitter space, although it is infinite, has a "boundary, " located out at infinity.
反德西特空间虽然无穷大,却有个位于无穷远的“边界”。
The intent of this paper is to discuss the critical property of price and optimal exercise boundary of American option when the expiry date runs to infinite in a jump-diffusion model.
本文研究标的资产价格过程服从跳扩散模型时美式期权价格及其最佳实施边界当到期日趋于无穷大时的渐近分析。
This shows that the viscoelastic boundary can better simulate the volatility of energy from a finite field from the infinite domain, dissipation, and the results are more accurate.
这表明粘弹性边界能更好地模拟波动能量从有限域从无限域的逸散,其结果更精确。
The use of infinite elements for modelling wave radiation eliminates the effects of artificial reflection of waves from finite element boundary, therefore the computational accuracy can be assured.
无穷元的应用消除了波在有限元边界上人为的反射效应,保证了数值解答的计算精度;
This paper introduces the boundary element method to study the affect of the blanket length for earth-rock dam on the infinite deep pervious foundation on the seepage of dam foundation.
采用边界元法研究无限深透水地基上土石坝铺盖长度对坝基渗流的影响。
A transmitting boundary was introduced to simulate infinite soil region by finite elements, considering the two phase nature of the soil.
引入考虑饱和土两相性情况下的传输边界,用以模拟地基无限性。
In this paper, we investigate the natural boundary element method for the boundary value problem of harmonic equation in an exterior elliptic infinite sector domain.
研究了椭圆外无穷扇形区域上调和方程边值问题的自然边界元法。
The boundary condition at farfield is approximated by that at infinite.
远场边界条件由无穷远处的条件近似代替。
Based reiterative principle of electrostatic field the body surface potential can be seen as sum of function of boundary and function of cardiac charges in infinite medium.
根据静电场迭加原理将体表电位看成边界效应和心电荷在无限媒质中产生的电位和。
Since the approximating fundamental solution is infinite on boundary, we must extend the field.
由于近似基本解在边界上发散,必须将区域扩大。
High calculation accuracy can be obtained in calculating the concentration factor of the stress around infinite elastic medium cavities by using boundary element method.
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。
A unified theory for calculating the noise radiation of an infinite elastic plate excited by turbulent boundary layer pressure fluctuations is presented.
本文提出一个统一的理论计算湍流边界层压力起伏激励下无限大弹性板的噪声辐射。
Like in an infinite flow, we find that laminar boundary layer, transition region and turbulent boundary layer also exist along a flat plate in open channel flow boundary layers.
试验研究发现明流光滑平板边界层中,与无限边界绕流平板边界层一样,沿平板有层流边界层,转捩区和紊流边界层三部分。
This paper deals with the plane strain problem of non-straight boundary semi infinite elastic solid to which a concentrated force is applied at the midpoint of the bottom of a groove.
本文对几种不同形状之刻槽的折线界面的半无限弹性体,在其槽底施以集中力的平面应变问题做了讨论。
The analytic method of deep well dewatering with two lateral linear recharge boundary was obtained by successively adding infinite multi-mirror-image reflections.
通过无穷多次镜像反射叠加得出两侧直线补给边界深井降水分析方法。
The method can simulate not only the radiation damping of semi-infinite soil, but also the elasticity recovery capacity of the far field media on the boundary.
该方法不但可以较好地模拟半无限地基的辐射阻尼,也能模拟远场地球介质的弹性恢复性能。
Most cosmologists today concur that our universe resembles an FRW universe, one that is infinite, has no boundary and will go on expanding AD infinitum.
今日,多数的宇宙学家都同意,我们的宇宙类似于FRW宇宙,这是个无限、无边界,而且不断膨胀的宇宙。
In order to reduce the effect of wave reflecting on artificial boundary, transmitting boundary and semi-infinite element are respectively used to treat the lateral and underside boundaries.
考虑到人工截断边界上波反射对计算结果的影响,分别用传递边界和半无限单元来处理侧面和底面边界。
The problem of transient heat conduction in a semi infinite medium with the heat capacity of the heater on the boundary considered has been solved analytically.
在考虑加热器热容量的条件下,求解了半无限大物体在边界被加热时的非稳态导热问题。
This paper deals with the static electricity field by conformal mapping for angular space inside an infinite linear charge be located with boundary made in conductor.
对导体平板构成的角域内具有线电荷密度的静电场进行了求解。
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