computational accuracy造句
例句與造句
- Computational accuracy of equivalent magnetic charge method is high , but its calculation is complicated
等效磁荷法計(jì)算精度高,但計(jì)算過程相對(duì)復(fù)雜。 - ( 4 ) to raise the computational accuracy and efficiency , we have designed a self - adaptive space grid that can guarantee mass conservation and energy conservation , and have also developed the techniques for the time stepsize automatically varying
( 4 )設(shè)計(jì)了保持質(zhì)量和能量守恒的自適應(yīng)空間網(wǎng)格,發(fā)展了自動(dòng)改變時(shí)間步長(zhǎng)的技術(shù),使之能夠更好地保證計(jì)算精度,提高計(jì)算效率。 - The main goal of this paper is to make a thorough research for the nine - point difference scheme , make clear its advantages and disadvantages , and improve it in view to its main disadvantages to raise the computational accuracy , speed and efficiency
本文致力于對(duì)九點(diǎn)差分格式作較為徹底的研究,弄清其優(yōu)、缺點(diǎn),并針對(duì)其主要缺點(diǎn)作出改進(jìn),以進(jìn)一步提高整個(gè)計(jì)算的精度、速度和效率。 - Equivalent circuit method is usually used before . this method has apparent defect , that is , the ignorance of higher order mode effect , which can greatly affect the computational accuracy . in cases that require high accuracy , this method is unusable
以前一般采用等效電路法分析和設(shè)計(jì)脊波導(dǎo)元器件;這種方法的缺點(diǎn)比較明顯,那就是對(duì)高次模的影響不加考慮,使得計(jì)算精度大受影響,在較高要求的場(chǎng)合甚至完全不可用。 - Aiming at higher computational accuracy , the unstructured hybrid mesh and the distributed parallel computation are used in 3d complex flow field simulation , the combination of these two techniques often causes difficulties in data structure and sub - domain definition because of the non - unification of mesh elements
在三維復(fù)雜外形的流場(chǎng)計(jì)算中,為了得到較高的計(jì)算效率及保證數(shù)值模擬的準(zhǔn)確性,經(jīng)常要采用混合網(wǎng)格及并行計(jì)算技術(shù)。 - It's difficult to find computational accuracy in a sentence. 用computational accuracy造句挺難的
- Results show that the aspects are obviously improved in the requires of functional qualities , computational accuracy , convengence and computational speed of algorithms . by this , the new technique of variational data assimilation maybe has wilder application in practice
所得結(jié)論表明,與傳統(tǒng)的四維變分同化方法相比,本文提出的方法在函數(shù)性態(tài)要求、計(jì)算精度、算法收斂性和計(jì)算速度方面有了明顯改善,使得變分同化技術(shù)有可能更廣泛地應(yīng)用于實(shí)際業(yè)務(wù)。 - As an example , the implementation of the laplace equation with the gridless method has been presented at first and the resulting large scale matrix equations are solved by gmres algorithm . the numerical simulations of the flows over a cylinder are tested successfully with clouds of different scales , which shows the " cloud " effects on the computational accuracy
本文先以代表定常不可壓位勢(shì)繞流的laplace方程為例,研究了laplace方程的無網(wǎng)格離散形式,并運(yùn)用gmres高效算法對(duì)其快速求解,數(shù)值模擬了典型的圓柱繞流;并通過不同點(diǎn)云尺度的數(shù)值模擬,顯示出點(diǎn)云尺度對(duì)計(jì)算精度的影響。 - The hydrauli c model of gradual dike - break simulates numerically the 2 - d flow of gradual dike - break waves . it shows the variation of flow field on breach , and the complicated flow characteristic of the propagation , diffraction , reflection and deformation of the dike - break waves . the hydraulic model can realistically simulate the burst process of dike , and computational accuracy is satisfied with the engineering demands
本文建立逐漸潰堤的水力模型首次對(duì)二維逐漸潰堤波的流動(dòng)問題進(jìn)行了數(shù)值研究,揭示了逐漸潰堤過程中潰口處流場(chǎng)的變化情況,以及潰堤波的傳播、繞射、反射及變形的復(fù)雜運(yùn)動(dòng)特征,能較好地模擬實(shí)際工程中的潰堤失事,模擬比較逼近于真實(shí)潰決過程,計(jì)算精度可滿足工程要求。 - A highly efficient numerical algorithm by using multi - grid method ( mgm ) is introduced to solve the three dimensional field distribution in the present paper . formulae of the restriction and prolongation in mgm computation is deduced , and a 3d program of mgm is accomplished , which can solve the field distributions in electron optical systems for various electrostatic lenses . the 3d field distribution in an electrostatic concentric spherical model is tested with mgm algorithm and an algorithm based on finite difference method ( fdm ) respectively . comparing these two results in view of computational efficiency and computational accuracy , it appears that mgm is superior to fdm in solving electrostatic field distribution for the electron optics problem . this paper shows that the 3d field computation using mgm greatly improves the computational efficiency of field distributions in electron optical systems and shortens the computational time
本文將一種高效率的數(shù)值計(jì)算方法? ?多重網(wǎng)格法引入三維靜電場(chǎng)分布的計(jì)算,多重網(wǎng)格法利用限制和延拓可迅速求得滿足精度要求的場(chǎng)分布.研究了求解各種靜電透鏡電子光學(xué)系統(tǒng)三維場(chǎng)分布的多重網(wǎng)格法程序,驗(yàn)算了靜電同心球模型的三維場(chǎng)分布.通過與目前在場(chǎng)計(jì)算中常用的有限差分法進(jìn)行比較,可以看出多重網(wǎng)格法的計(jì)算效率和計(jì)算精度優(yōu)于有限差分法.本文表明利用多重網(wǎng)格法計(jì)算三維場(chǎng)大大提高了場(chǎng)分布的計(jì)算效率,縮短了計(jì)算時(shí)間,因此為后續(xù)計(jì)算打下了良好的基礎(chǔ)