fourth order problem 四阶问题
fourth order obstacle problem 四阶障碍问题
fourth-order boundary value problem 四阶边值问题
singular fourth-order boundary value problem 奇异四阶边值问题
nonlinear fourth-order boundary value problem 非线性四阶边值问题
fourth-order two-point boundary value problem 四阶两点边值问题
fourth-order eigenvalue problem 四阶特征值问题
By some abstract results of operator equation, the fourth order singular boundary value problem was discussed.
利用算子方程的一些抽象结果来讨论四阶奇异边值问题。
In this paper, the initial-boundary value problem of a kind of nonlinear fourth-order wave equations with damping and source terms is studied on the base of Beam equation.
本文在梁方程的基础上研究了一类具有非线性阻尼项和力源项的四阶波动方程的初边值问题。
The stabilized mixed finite element approximation for fourth order obstacle problem is investigated in this paper.
本文讨论了四阶障碍问题的稳定化混合有限元方法。
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