surface integral

The results are of use value for simplifying the computation of line integral and surface integral.

这一结果,对于简化线积分、面积分的计算具有使用价值.

Using Matlab programming to achieve the non uniform B spline curves and surfaces, the positive operator, inverse, derivative vector algorithm, to calculate the integral impeller blades, ruled surface data point and generates the effect chart.

在Matlab编写非均匀B样条曲线的正算、反算、导矢等算法，计算出整体叶轮、直纹面叶片、叶片等距面、叶片缝合面的数据点并生成效果图。

The Simplified Calculation of Surface Integral with Symmetrical Coordinates for Mutiple element Odd ever Functions

多元奇偶函数对称坐标的曲面积分的简化计算

In the relatively dependent and most integral unit of catchment area in hilly red soil landscape, we study the yearly dynamics of surface water resources including rainfall, evapotranspiration and water storage.

以红壤丘陵景观中相对独立且整体性强的集水区为基本单元，重点研究了集水区内降水、蒸散、水量蓄存等地表水资源的年变化。

The solution of the high dimension equation for Cauchy problem was given by Poisson formula. The expression of the solution is surface integral for three dimension cases;

Poison公式给出了高维波动方程的Cauchy问题的解，在三维情况下，解的形式为一曲面积分；

We derive in a much detail the formula of count rates, in terms of the integral of time, of gamma-ray bursts in the framework of fireballs, where the Doppler effect of the expanding fireball surface is the key factor to be concerned.

在火球模型下，我们详细地推导了Gamma射线暴计数率的公式，其中膨胀火球面的多普勒效应是考虑的主要因素。

The integral equations for calculation of electric field on the surface of the layered media with a fault are derived from the Maxwell's equations and introducing the Green's tensor.

对于分布有断层的层状介质根据Maxwell方程，引入格林张量，导出了地表电场的积分表达式。

The surface Helmholtz integral equation dispersed by quadratic iso_parametric element is used as computation equation. Extensive work has been performed to overcome boundary integral equation in acoustic problems, non_uniqueness of solution and singular integral kernels.

以二次等参元离散的表面Helmholtz积分方程作为计算方程，采用一系列数值处理技术，克服了表面Helmholtz积分方程求解声学问题时出现的解的不唯一性和积分函数奇异性。

The study of key issues in electrochemical contour evolution machining integral impeller with STRAIGHT-GENERATRIX surface blades

直纹面整体叶轮展成电解加工关键问题研究

The momentum integral method is applied in the frame of safety analysis of pressure water reactors under hypothetical loss of coolant accident ( LOCA) conditions to simulate numerically film condensation, rewetting and vaporization on the inner surface of a pressure water reactor containment.

采用动量积分方法分析压水堆发生失水事故时在安全壳的内表面上的液膜凝结、再浸润和蒸发过程。