结构阻尼梁振动方程的混合有限体积元法

Ton-Lo Wang, Ziwen Jiang, Zhe Yin
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引用次数: 1

摘要

针对结构阻尼梁的初值和边值问题,通过引入中间变量,将原四阶问题转化为二阶偏微分方程,构造了混合有限体积元格式,并分析了该格式的存在性、唯一性和收敛性。数值算例验证了理论结果。最后对δ值进行检验,观察其对模型的影响。
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Mixed Finite Volume Element Method for Vibration Equations of Beam with Structural Damping
In this paper, for the initial and boundary value problem of beams with structural damping, by introducing intermediate variables, the original fourth-order problem is transformed into second-order partial differential equations, and the mixed finite volume element scheme is constructed, and the existence, uniqueness and convergence of the scheme are analyzed. Numerical examples are provided to confirm the theoretical results. In the end, we test the value of δ to observe its influence on the model.
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