Citation: | Yi Gong. A HERMITE FINITE ELEMENT METHOD FOR THE VIBRATION PROBLEM OF THE RAYLEIGH-BISHOP BEAM[J]. Journal of Applied Analysis & Computation, 2025, 15(2): 1134-1145. doi: 10.11948/20240285 |
In this paper, a Hermite finite element method is proposed for the Rayleigh-Bishop equation which describes the vibration problem of the Rayleigh-Bishop beam. We first present the semi-discrete Galerkin finite element form for the Rayleigh-Bishop equation. Then by means of the cubic Hermite element, a full-discrete finite element scheme is established. Furthermore, a numerical algorithm based on the Hermite finite element method is proposed to solve the fourth-order Rayleigh-Bishop equation. Finally, a numerical example is given to illustrate the effectiveness of the proposed method. The Hermite finite element method is potentially applied to other vibration problems.
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Schematic of a beam with fixed ends.
The exact solution with
The numerical solution and the error of the fully discrete scheme with
The exact solution with
The numerical solution and the error of the fully discrete scheme with