In this paper, a degenerated beam element is developed, evolving from a bilinear degenerated shell element.
从双线性退化板壳单元出发，演绎推导出了一种可以应用于空间有限元分析的退化梁单元。
We use anisotropic bilinear finite element to solve linear parbolic problem.
给出各向异性双线性元的插值能量模和零模估计。
A 4-node axisymmetric solid element is derived by combined hybrid methods. Compatible isoparametric bilinear displacement approximations and the constant stress mode are employed.
利用组合杂交有限元法得到了一个四节点轴对称元，并采用协调等参双线性位移来逼近及分片常数应力模式。
In this paper, the bilinear finite element method for a kind of nonlinear hypobolic equations was discussed.
研究了一类非线性拟双曲方程的双线性有限元方法。
At first we give the energy norm and L_2-norm estimates of anisotropic bilinear finite element, then we prove the estimates of semidiscrete form and fulldicrete form of linear parabolic problem.
并用此单元求解线性抛物型方程，给出半离散格式和全离散格式的误差估计。
In Chapter 5, we discuss the superconvergence and extrapolation of bilinear finite element with no-smooth solution by the new error estimate method.
第五章利用新的误差估计方法讨论了双线性元的超收敛性及非光滑解双线性元的外推。
In Chapter 5, we discuss the superconvergence and extrapolation of bilinear finite element with no-smooth solution by the new error estimate method.
第五章利用新的误差估计方法讨论了双线性元的超收敛性及非光滑解双线性元的外推。
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