例句與造句

1. Mixed finite element approximation of a degenerate elliptic problem
   一個(gè)退化橢圓問題的混合有限元法
2. Superconvergence of a mixed finite element approximation for stokes problem
   問題一種混合元近似的超收斂
3. Superconvergence of finite element approximations to integro - differential equations of parabolic type
   微分方程有限元近似的超收斂性質(zhì)
4. The nonconforming finite element approximations to hyperbolic equation on anisotropic meshes
   雙曲型方程的一類各向異性非協(xié)調(diào)有限元逼近
5. Nonconforming finite element approximation on anisotropic meshes with numerical quadrature
   各向異性網(wǎng)格下具有數(shù)值積分的非協(xié)調(diào)有限元逼近
6. It's difficult to find finite element approximation in a sentence. 用finite element approximation造句挺難的
7. The bilinear finite element approximation for semi - singularly perturbed reaction - diffusion problems is considered
   摘要考慮半奇異攝動(dòng)反應(yīng)擴(kuò)散問題的雙線性有限元逼近。
8. Anisotropic nonconforming finite element approximation to variational inequality problems with displacement obstacle
   位移障礙下變分不等式問題的各向異性非協(xié)調(diào)有限元方法
9. The asymptotic expansions of the hermite finite element approximations for two point boundary value problem of fourth - order differential equations with extrapolation
   有限元解的漸近展式與外推
10. Expanded mixed finite element approximations of the parabolic problems are considered . error estimates for the scalar unknwon , its gradient and its flux in l2 - norm are obtained for this new mixed formulation
    通過數(shù)值分析進(jìn)一步說明擴(kuò)展混合元方法是穩(wěn)定的，并得到了未知函數(shù)、未知函數(shù)的梯度和流體流量的l ~ 2 -誤差估計(jì)。
11. In this thesis , we study ultraconvergence of finite element approximation in one dimensional case ( include two - point boundary value problem , one dimensional parabolic equation and parabolic type integro - differential equation )
    本文研究一維問題(包括兩點(diǎn)邊值問題，一維拋物問題及拋物型積分-微分方程)有限元逼近的強(qiáng)超收斂性。
12. Based on this fomulation , expanded mixed finite element approximations of the hyperbolic problems are considered . optimal order error estimates for the scalar unknwon , its gradient and its flux in l2 - norms are obtained for this new mixed formulation
    給出了逼近未知函數(shù)、未知函數(shù)梯度和流體流量的最優(yōu)l ~ 2模誤差估計(jì)以及擬最優(yōu)的最大模誤差估計(jì)。
13. Its biquadratic finite element approximation is considered and under the appropriately graded meshes , quasi - optimal order error estimates in the - weighted h ^ 1 - norm , up to a logarithmic factor in the singular perturbation parameter , are proved
    然后，考慮此方程在分層網(wǎng)格剖分上的雙二次有限元逼近，在-加權(quán)h ^ 1 -模意義下得到了至多相差一個(gè)關(guān)于攝動(dòng)參數(shù)對(duì)數(shù)因子的擬最優(yōu)階收斂的誤差估計(jì)。
14. On the basis of some conclusion , we have proved that the schemes have second - order convergence accuracy for the time discretization , a two - level method for resolving the nonlinearity in finite element approximation of the stationary conduction - convection problems is presented
    在某些已有結(jié)論的基礎(chǔ)之上，我們證明了這種格式對(duì)于時(shí)間離散上的二階精度。提出了一種解決定常的熱傳導(dǎo)-對(duì)流問題的有限元近似中出現(xiàn)的非線性問題的兩層方法。
15. In this paper , based on an improved orthogonal expansion in an clement , using the new idea of ref . [ 3 ] , a new error expression of n - degree hermite finite element approximation to one - dimensional 4 - degrec 2 - point bounded problem and 2 - degree ordinary differential problem , and then optimal order superconvergence for their first derivatives is obtained . moreover , we get the same result of their optimal order superconvergence
    本文針對(duì)在改進(jìn)的單元正交性估計(jì)的基礎(chǔ)上，利用文[ 3 ]提出的新想法，得到一維四階兩點(diǎn)邊值問題和二階常微初值問題的n次赫米特有限元u _ h c ~ 1的新誤差估計(jì)式，以及導(dǎo)數(shù)誤差的最佳階超收斂，并且兩者有相同的超收斂結(jié)果。
16. In view of the model problem , we do some analysis for the approximations respectively ; we compare uh with the standard finite element approximation of u in vh , and ph with the usual ( non - least - squares ) mixed finite element approximation of p , provided of course that the same approximating spaces are used . it turns out that under weak conditions , they are " almost " equal , i . e . , higher order perturbations of each other . apart from improved a priori bounds , the result also gives us the possibility to extend superconvergence results from the standard and mixed method to the least - squares mixed method
    針對(duì)模型問題，我們引進(jìn)對(duì)偶問題進(jìn)行收斂性分析，最小二乘混合元解u _ h與標(biāo)準(zhǔn)有限元解比較，而p _ h則與通常意義下的混合元解比較，結(jié)果證明在比較弱的正則性假設(shè)條件下，最小二乘混合有限元解u _ h ， p _ h標(biāo)準(zhǔn)有限元解u _ h ~ s和混合元解p _ h ~ m的高階擾動(dòng)。