谱元法,spectral element method
1)spectral element method谱元法
1.Thespectral element method based on streamline upwind Petrov-Galerkin(SUPG)stabilization scheme was developed to solve multidimensional radiative heat transfer in semi-transparent media.本文发展了基于流向迎风彼得罗夫-伽辽金(SUPG)格式的谱元法来求解多维半透明介质内的辐射传递。
2.Thespectral element method based on a weak elastic mechanical equation extends the equation in the form of spectral with the idea of the finite element method.谱元法是基于弹性力学方程的弱形式,运用有限元的思想在单元上进行谱展开,理论上该方法具备有限元适应任意复杂介质模型的韧性和伪谱法的精度。
3.The high orderspectral element method wi.主要利用Jacobian-free的Newton-Krylov方法求解定常不可压缩Navier-Stokes方程,将基于高阶谱元法的区域分解Stokes算法的非定常时间推进步作为Newton迭代的预处理,回避了传统Newton方法Jacobian矩阵的显式装配,节省了程序内存,同时降低了Newton迭代线性系统的条件数,且没有非线性对流项的隐式求解,大大加快了收敛速度。
英文短句/例句
1.The Spectral Element for Solving the Coupled Water and Heat Model of Soil in Cold Regions;寒区土体水热耦合问题计算的谱元法
2.A Finite Difference/Legendre Spectral Element Method for a Class of Nonlinear Schr(?)dinger Equation;一类非线性Schr（？）dinger方程的差分/Legendre谱元法
3.Spectral-element method for post-stack reverse-time migration in elastic media弹性介质中谱元法叠后逆时偏移方法研究
4.The Spectral Element Method for Elastic Wave Simulation in a Formation with a Topographic Traction Free Surface;谱元法模拟起伏自由表面地层中的弹性波传播
5.Requirements to the spectrograph for multi-element analysis;光谱法多元素同时分析对光谱仪的要求
mon elements analysis by optical emission theory for wire and bar steel直读光谱法分析线、棒材中常规元素
7.Determination of Microelements in Porphyra by AAS原子吸收光谱法测定紫菜中微量元素
8.Determination of Trace Elements in Capsella bursa-pastoris by Atom Absorption Spectra原子吸收光谱法测定莴苣中微量元素
9.THE MULTI-ELEMENT ANALYSIS OF P ORE WITH ICP-AES SPECTROSCOPIC METHODXICP-AES光谱法测定磷矿石中多元素组分
10.An endmember progressive extraction algorithm for hyperspectral remote sensing image高光谱遥感图像的端元递进提取算法
11.Assaying Element Content in 38CrMoAl by Means of Photoelectric Direct-View Spectrometry光电直读光谱法测定38CrMoAl元素含量
12.Trace Elements in Morus alba L.Determined by Atomic Absorption Spectra原子吸收光谱法测定桑叶中微量元素
13.Once-Through Spectrography Using Spectrographic powder Arc Method with Simultaneous Determination of 19 Trace Elements in Samples Obtained from Regional Geochemical Surveys光谱粉末电弧法一次摄谱同时测定区域化探样品中19个微量元素
14.Study on multi element determination in drinking water by ICP OES and ICP MS电感耦合等离子体光谱和质谱法用于饮水中多元素分析的研究
15.Determination of Senegenin in Mouse Plasma by Liquid Chromatography-Tandem Mass Spectrometry液相色谱-串联质谱法对小鼠血浆中远志皂苷元的测定
16.Determination of 11 Metal Elements in Chinese Traditional Medicine by Use of Atomic Absorption Spectrophotometry原子吸收光谱法测定中药中11种金属元素
17.The Determination of 21 Impurities in Osmium by AES原子发射光谱法测定锇中21个杂质元素
18.Determination of Microelements in the Bulbs of Lily by Flame Atomic Absorption Spectrometry火焰原子吸收光谱法测定百合中的微量元素
相关短句/例句
Fourier-spectral-spectral-element methodFourier谱-谱元法
1.The 3rd-order splitting algorithm based on the mixed stiffly stable scheme is employed in the temporal discretization of the N-S equations and the mixedFourier-spectral-spectral-element method in the spatial discre.Navier-Stokes方程的时间离散采用基于混合刚性稳定格式的三阶分裂算法，空间离散采用Fourier谱－谱元法。
3)spectral element method谱元方法
1.To investigate the numerical scheme with high order of accuracy for the simulation of wave equations,Chebyshevspectral element method combined with implicit Newmark time integral method is adopted for simulating wave equations.为探讨波动方程的高精度数值模拟,采用Chebyshev谱元方法结合隐式Newmark时间积分方法求解波动方程。
2.Aspectral element method that combines the ideas of the finite element method with the accuracy of spectral method is presented and applied in polar coordinate.本文利用有限元的思想并结合谱方法的精度提出求解偏微分方程的谱元方法,并将谱元方法应用到极坐标系中;详细推导了在极坐标系下的谱元方法的具体计算公式,求解了极坐标系下的简单椭圆型二阶偏微分方程;并结合时间分裂方法应用于同心旋转圆筒间流体的流动问题,具体求解了原始变量速度和压力的不可压缩Navier Stokes方程,均取得了满意的结果。
4)Legendre spectral element methodLegendre谱元法
1.In this paper,an efficient numerical method,based on a second-order implicit difference scheme in time andLegendre spectral element method in space,is developed for the initial-and Dirichlet boundary-value problem of a class of nonlinear Schrdinger equations with power nonlinear terms.考察一类带幂次非线性项的Schrdinger方程的Dirichlet初边值问题,提出了一个有效的计算格式,其中时间方向上应用了一种守恒的二阶差分隐格式,空间方向上采用Legendre谱元法。
5)spectral elememt method谱元素法
6)spectral element method谱元法(SEM)
延伸阅读
裂解气相色谱-质谱法分子式：CAS号：性质：在普通的气相色谱质谱联用仪(GC/MS)的进样系统中加一个热裂解器，在热裂解器中，高聚物大分子被加热裂解成小分子气体，载气辛巴这些小分子带入色谱仪进行分离，再引入质谱仪进行电离和分析，质谱仪给出这些小分子的质谱图，化学家可以根据质谱结果，推测出原来高聚物的种类和可能结构。
