Discussed a means to deal with dimensional chain computing with symmetry error in two way: computing analysis and geometry analysis. 从计算和几何分析两条途径,讨论尺寸链计算中对称度误差的处理方法,为类似计算提供参考意见。
Computing simplest subsidiary conditions in differential geometry theorem proving 微分几何定理证明中最简单辅助条件的计算
Visualization in scientific computing ( VISC) is one of the new applications of computer technology. VISC is an combination of computer graphics, image manipulation, computer vision, CAD, computing geometry, user interface and etc. 科学计算可视化技术是计算机图形学的一个新的应用领域,是计算机图形学、图像信息处理、计算机视觉、计算机辅助设计、计算几何以及用户接口等多学科、多领域的交叉。
The proposed method has some excellent properties, such as the identity of computing the brightness at every partition point, the separability of processing the information on the surface of object, generating 3D geometry texture effectively, and simple calculations, etc. 与传统方法相比,该文所给出的几何纹理生成技术具有对信息处理的同一性、可对画面信息进行离散处理、所生成的纹理更具立体感和速度快等特性。
In computing physics, the geometry description and input data can considerably affect the result. 在计算物理中,物体的几何描述和输入的正确与否将直接影响着计算结果的正确性。
An analytical procedure for computing the performance of aerodynamically variable geometry exhaust nozzle is presented in this paper. 本文叙述气动调节喷管性能计算的分析程序。
In this paper, the author puts forward the limit approximation model in computing space average of rock wave velocity on the basis of four traditional models like Voight model, Ruess model, Hill model and geometry average model. 本文在传统的岩石波速空间平均模型(Voight模型,Ruess模型,Hill模型和几何平均模型)的基础上,提出了一种极限近似模型。
In this paper, we mainly discuss the procedure for computing the rational cohomology of quotients group actions in symplectic geometry. 本文主要讨论辛几何中群作用的商的有理上同调的计算方法。
At first, the discrete-dipole approximation ( DDA) that is a flexible and powerful technique for computing scattering and absorption by targets of arbitrary geometry is presented. 文章首先介绍了一种解决任意形状目标散射特性的近似方法,即离散偶极子近似方法。
Hamilton-Jacobi equations have been widely applied to various fields, such as, optimal control theory, computational fluid dynamics, computing vision, differential geometry, crystal growth, mesh generation. Hamilton-Jacobi(简称H-J)方程出现于最优控制、计算流体力学、计算机图形图像、微分几何、晶体生长、网格生成等许多领域。
Including the calculation of the specific heat transfer area, spiral angle, and computing the distance between baffles, helical baffles the geometry of the design, strength calculation and so on all parts. 具体包括换热面积的计算、螺旋倾角及折流板间距的计算、螺旋折流板的几何形状设计、各部件强度计算等等。
Computing complexity of three kinds of representation methods were analyzed by computer tests. The number of vertex and surface geometry which constructs by three kinds of representation method was compared. 3. 通过样本点实验分析了三种表示法的计算复杂度,对三种表示法构造的几何体顶点数和面数进行比较。
For the model of the electromagnetic interference from a signal line and a shielding line placed nearby the signal line to adjacent layer, a modified algorithm of computing radiation for a shielding line on multilayer PCB geometry is proposed. 针对置有单屏蔽带多层PCB强信号线对邻层电磁干扰的模型,提出了一种修正的单屏蔽带多层微带PCB结构的电磁辐射计算方法。