Nonlinear homogeneous dynamical system of fully cracked concrete beam

• Autorzy: Mohan G. , Pandey U. K.

Identyfikatory

DOI

10.5604/01.3001.0015.0525

• Języki publikacji: EN

Abstrakty

EN

Purpose: Purpose of this paper is the theoretical formulation of elasto-dynamics behaviour of fully cracked concrete beams for two-degree of freedom (DOF) dynamical system. Such modelled system is demonstrated by a new class of two-DOF conservative, fully-nonlinear systems known as nonlinear homogeneous dynamical (NHD) systems. Design/methodology/approach: The theoretical formulation of Two-DOF dynamical system has been developed by using the fundamental concept of structural analysis. Further, the behaviour of such class of conservative dynamical system has been concluded by using MATLAB. Findings: Findings can be distinguished into two aspects. First, when subjected to service loads, reinforced concrete structures possess tension cracks. Due to load variation with time leads the breathing action (opening-closing-reopening) of existing cracks and the behaviour of such structures are nonlinearly-elastic. Second, such class of fully nonlinear dynamical system possess dependence of stiffness coefficients on nodal displacements. Research limitations/implications: The mechanism behind such class of fully nonlinear dynamical system is not yet fully explored. Practical implications: Practical implications are related to the structural response of fully cracked concrete beam to different earthquake excitation, especially to understand the response of such nonlinear homogeneous elasto-dynamical system with two-DOF concrete beam. Originality/value: Elasto-dynamics of fully cracked concrete beams.

Słowa kluczowe

EN

non-linear dynamics; two-DOF systems; homogeneous dynamical systems; bilinearity ratio; cracked concrete beams; fixed beam

PL

dynamika nieliniowa; układ dynamiczny; system homogeniczny; belka betonowa

• Wydawca: International OCSCO World Press
• Czasopismo: Journal of Achievements in Materials and Manufacturing Engineering
• Rocznik: 2021
• Tom: Vol. 106, nr 1
• Strony: 5--19
• Opis fizyczny: Bibliogr. 68 poz., rys., tab., wykr.

Twórcy

autor

Mohan G.

• Department of Civil Engineering, National Institute of Technology, Hamirpur, H.P India

• https://orcid.org/0000-0002-3813-742X

autor

Pandey U. K.

• Department of Civil Engineering, National Institute of Technology, Hamirpur, H.P India

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Uwagi

PL

Opracowanie rekordu ze środków MNiSW, umowa Nr 461252 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2021).