Line element-less method (LEM) for beam torsion solution (truly no-mes method)

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28 Citazioni (Scopus)


In this paper a new numerical method for finding approximate solutions of the torsion problem is proposed. The method takes full advantage of the theory of analytic complex function. A new potential function directly in terms of shear stresses is proposed and expanded in the double-ended Laurent series involving harmonic polynomials. A novel element-free weak form procedure, labelled Line Element-Less Method (LEM), has been developed imposing that the square of the net flux across the border is minimum with respect to coefficients expansion. Numerical implementation of the LEM results in systems of linear algebraic equations involving symmetric and positive-definite matrices without resorting to any discretization neither in the domain nor in the boundary. Some numerical applications have been reported to demonstrate the efficiency and accuracy of the method.
Lingua originaleEnglish
pagine (da-a)349-364
Numero di pagine16
RivistaActa Mechanica
Stato di pubblicazionePublished - 2008

All Science Journal Classification (ASJC) codes

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  • ???subjectarea.asjc.2200.2210???


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