quadratic element

[kwəˈdrætik ˈelimənt]
  • 释义

    二次元;

数据更新时间:2025-11-14 09:13:53
1、

A single-node quadratic element ( SNQE) is proposed in this work.

提出一种新的边界单元:单节点二次元。

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2、

Asymptotically exact a-posteriori error estimators for the Quadratic Triangular Element in sense of point to point

二次三角形元逐点意义下渐近准确后验误差估计

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3、

Axisymmetric Isoparametric Quadratic Boundary Element Analysis of Piston Temperature Field of Diesel Engines

内燃机活塞温度场二次等参轴对称边界元分析

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4、

In this method, the whole area is divided into many quadratic isoparametric element by means of finite element method, then the contour line in each isoparametric element is generated, thus the whole contour is assembled.

该算法根据有限元法将整个区域分割成多个互相连续的二次等参单元,通过生成每个等参单元内的等值线,进而生成整个区域内的等值线。

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5、

The calculation of stress around the opening of a dam by the program indicates that the quadratic boundary element method has a wide range of applications with high precision.

计算实践表明:二次边界元法有广阔的应用范围及较高的计算精度,且计算准备工作简单,方便易行,程序可在水电工程中推广使用。

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6、

Quadratic Boundary Element Method and its Application

二次边界元法及应用

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7、

In this thesis, we mainly study supercloseness of quadratic serendipity block finite element method for three-dimensional variable coefficient elliptic problems.

本文主要研究三维变系数椭圆方程二次奇妙族有限元方法的超逼近。

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8、

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。

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9、

Inviscid three-dimensional extreme free surface wave motions in infinite water-depth are simulated using a novel quadratic higher-order boundary element model ( HOBEM) based on potential theory.

基于无旋、不可压的势流理论,利用高阶边界元法建立了一种可应用于无限水深的无粘三维完全非线性数值波浪水槽。

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10、

Modeling of 3-D Vibration of Engine Crankshaft& Base on Quadratic Timoshenko Beam Element

内燃机曲轴振动特性的三维模拟&基于二次Timoshenko梁单元

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11、

A Kind of Quadratic Superconvergence Finite Volume Element Method for One Dimensional Elliptic and Parabolic Equations

一维椭圆和抛物方程的超收敛二次有限体积元方法

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12、

The Application and Its Accuracy of Singular Quadratic Isoparametric Element

等参奇异裂纹单元的研究等参数畸变元在计算带裂纹结构应力强度因子中的应用和精度

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13、

An Algebraic Multigrid Method of Quadratic Lagrangian Finite Element Equations Under the Unstructured Quadrilateral Grids

求解非结构四边形二次拉格朗日有限元方程的代数多重网格法

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14、

Stress Analysis of Connecting Rod in Diesel Engine by Isoparametric Quadratic Boundary Element Method

柴油机连杆应力二次等参边界无数值分析

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15、

Internal forces of elastic structures are calculated by using three-node quadratic boundary element method in which displacement and traction at elastic structures' boundary are more accurately depicted.

采用更精确地反映弹性结构边界上的面力分量和位移分量的三结点二次边界单元法求解弹性结构在边界上的位移和面力。

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16、

It was shown that Compared with finite element method, boundary element method is more accurate, needs less cpu time and data preparation, especially with isoparametric quadratic element.

结果表明,边界元法分析活塞温度场,不仅计算准备工作量比有限元大为减少,而且精度高、计算时间短,尤其采用二次等参元后,其优点更加突出。

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17、

The superconvergence of triangle quadratic finite element for a class of nonlinear elliptical problems

一类非线性椭圆问题三角形二次元的超收敛性

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18、

BEM with single-node quadratic element in crack analysis

裂纹分析中的单节点二次边界元

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19、

Scalar Mode Analysis of Optical Fibers by Means of the Finite Quadratic Element Method

有限二次单元法光纤标量模式分析

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20、

Numerical experiments show our AMG method is robust and efficient for solving the quadratic Lagrangian finite element system.

数值实验表明这种代数多重网格法对求解二次拉格朗日有限元方程是健壮和有效的。

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21、
22、

Quadratic Finite Volume Element Method Based on Optimal Stress Points for Solving Two-point Boundary Value Problems

解两点边值问题的基于应力佳点的二次有限体积元法

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23、

In this paper, we consider a quadratic Lagrangian finite element equation arising from discretizations of3D elliptic problem with jump coefficients under any tetrahedral partition.

本文针对带有间断系数的三维椭圆问题,讨论任意四面体剖分下的二次拉格朗日有限元方程的代数多重网格法。

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24、

FEM using adaptive topography and quadratic element in 2D MT forward modeling heating of an insulator by a high-frequency electric field.

自适应地形电磁场双二次变化MT二维有限元数值模拟用快速变化的电磁场对非导电体加热。

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25、

Reduced integrated quadratic shell element S 8 R 5 can provide accurate solution for small strain membrane bending problem.

减缩积分二次单元S8R5对于小应变薄膜弯曲问题的模拟能给出精确解.

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26、

Error Estimate for a Quadratic Nonconforming Finite Element on Quadrilaterals

一种二次非协调四边形有限元的误差估计

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27、

Asymptotic Expansions and Extrapolations for Linear and Quadratic Finite Element Based Common Triangular Meshes

基于几类基本三角形网格下的线性元与二次元的渐进展式和外推研究

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28、

Taking the piecewise quadratic B spline as the scale function, a multiresolution plane element is developed.

本文给出了多分辨率单元的基本概念,并以分段二次B样条函数为尺度函数建立了一种多分辨率平面单元.

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29、

The correction mold of incomplete quadratic plate element

不完全双二次板元的修正型

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