Dynamic Finite Element analysis of fractionally damped structural systems in the time domain

Antonina Pirrotta, Christian Bucher

Risultato della ricerca: Articlepeer review

16 Citazioni (Scopus)

Abstract

Visco-elastic material models with fractional characteristics have been used for several decades.This paper provides a simple methodology for Finite-Element-based dynamic analysis of structural systems with viscosity characterized by fractional derivatives of the strains. In particular, a re-formulation of the wellknown Newmark method taking into account fractional derivatives discretized via the Grünwald–Letnikov summation allows the analysis of structural systems using standard Finite Element technology.
Lingua originaleEnglish
Numero di pagine13
RivistaActa Mechanica
Stato di pubblicazionePublished - 2015

All Science Journal Classification (ASJC) codes

  • Computational Mechanics
  • Mechanical Engineering

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