Withthe discretization of a few elements,CEM can lead to a high accuracy.

使用同樣數(shù)目的自由度久久毛片免费全部播放无码，復(fù)合單元法的精度遠(yuǎn)遠(yuǎn)高于常規(guī)有限元免费观看欧美日韩亚网红在线。

In order to overcome the limitation, by using the character of in size order for continuous attributes and error theory of statistics, this paper proposes an algorithm of discretization based on cluster.

文中針對(duì)這一缺陷又黄又大又硬又爽，利用連續(xù)數(shù)值屬性有序性的性質(zhì)和統(tǒng)計(jì)方差理論，提出了一種基于聚類的連續(xù)屬性離散化算法久久黄色视频ji。

Spectral element methods for partial differencial equation is introduced in this study from viewpoint of the collocation approximation of Chebyshev polynomial. Wave Equation and its space discretization are deduced. Two time integral methods, central difference method and implicit Newmark method, are introduced, and their stability and applicability are also discussed in some details. The significance of absorbing boundary conditions in spectral element methods for Aeroacoustics is explained, and Clayton-Engquist-Majda absorbing boundary conditions is emphasized and introduced, then the discrete scheme of this boundary conditions is deduced and applied to spectral element methods for wave equation.

本文從Chebyshev多項(xiàng)式逼近理論出發(fā)，詳細(xì)介紹了譜元方法求解偏微分方程的過程激情第一第二综合天天；推導(dǎo)了流體中的聲波動(dòng)方程并在空間上對(duì)其進(jìn)行了譜元離散日韩欧美精品原创在线观看；詳細(xì)討論了兩種時(shí)間積分方法──中心差分法和Newmark方法，分析了它們的穩(wěn)定性條件性欧美XXXX18HD视频，并從理論上對(duì)比了兩種方法的優(yōu)缺點(diǎn)和適用范圍1000部国产怕怕怕精品；將吸收邊界條件推廣應(yīng)用于譜元方法求解氣動(dòng)聲學(xué)問題中，重點(diǎn)介紹了Clayton-Engquist-Majda吸收邊界條件的原理和公式日韩精品美女网页在线观看免费，推導(dǎo)了該吸收邊界條件的變分形式，并將其引入波動(dòng)方程的離散形式中色在线综合。

Two methods of discretization, collocation method and Galerkin method, have been dominant in existing meshless methods.

在最小二乘法和移動(dòng)最小二乘近似的基礎(chǔ)上提出了加權(quán)最小二乘無網(wǎng)格法干天天干。

The results of comparison between this method and some existing algorithms of discretization are encouraging.

通過一些例子將本算法與現(xiàn)有方法進(jìn)行了比較分析，得到了令人鼓舞的結(jié)果三级视频网站欧美日韩。

A complete boundary integral formulation for incompressible Navier Stokes equations with time discretization by operator splitting is developed by using the fundamental solutions of the Helmhotz operator equation with different orders.

利用不同階次的Helmhotz算子方程的基本解啪啪啪精品，建立了時(shí)間離散不可壓縮Navier－Stokes方程的完全邊界積分表示式。

Methods for feature space discretization based cluster algorithm and class conditional probability distribution estimation are proposed.

首先針對(duì)應(yīng)用貝葉斯決策理論時(shí)難以估計(jì)類條件概率密度函數(shù)的問題日韩欧精品无码视频无删节，提出了特征空間離散化及相應(yīng)的類條件概率分布的估計(jì)方法花蝴蝶高清视频在线观看01。

To ensure the conservation of total momentum and energy of the system, the best discretization form of conservation equations are suggested.

在保證系統(tǒng)總動(dòng)量和總能量守恒的基礎(chǔ)上，提出了離散方程的理想離散形式字幕网国产在线观看。

In calculation, the discretization of continuity equation is performed in accordance with semi-implicit Scharfetter-Gummel scheme and the electric field is solved by the current conservation instead of the Poisson's equation, so it saves plenty of time for calculation.

在計(jì)算中干干干干干干射射，對(duì)于粒子的連續(xù)性方程我們采用Scharferter和Gummel提出的有限差分方法，并用電流守恒方程代替泊松方程來求解電場(chǎng)六月色色网，從而節(jié)省了大量的計(jì)算時(shí)間久久夜色精品。

Therefore,the numerical algorithm of normal distribution function in continuous space is improved,so that the difficulty of the discretization of question difficulty and the difficul...

本文對(duì)連續(xù)的正態(tài)分布函數(shù)計(jì)算方法進(jìn)行了改進(jìn)www精品，解決了試題難度的離散化和試題數(shù)量為整型值造成的試題難度正態(tài)分分配困難問題。