Mathematics > Numerical Analysis
[Submitted on 23 Nov 2020]
Title:A finite element scheme for an initial value problem
View PDFAbstract:A new Hamilton principle of convolutional type, completely compatible with the initial conditions of an IVP, has been proposed in a recent publication arXiv:1912.08490v1 [math-ph]. In the present paper the possible use of this principle for the formulation of a FE scheme adjusted to dynamical problems is investigated. To this end, a FE scheme based on a convolutional extremum principle for the harmonic oscillator (used as an exemplary initial value problem) is developed and presented in detail. Besides, from the local finite element analysis a recurrent (one-step) algorithm arises which provides an approximate solution to the IVP, as well.T he succeeded schemes are computationally tested for both free and forced vibration problems.
Submission history
From: Vassilios Kalpakides [view email][v1] Mon, 23 Nov 2020 14:35:04 UTC (203 KB)
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