Nonlinear response of axially functionally graded Timoshenko beams on elastic foundation under harmonic excitation
Abstract: Forced vibration of non-uniform axially functionally graded (AFG) Timoshenko beam on elastic foundation is performed under harmonic excitation. A linear elastic foundation is considered with three different classical boundary conditions. AFG materials are an advanced class of materials that have potential for application in various engineering fields. In the present work, variation of material properties along the longitudinal axis of the beam are considered according to power-law forms. Five values of material gradation parameter provides different functional variation and their effect on the frequency response of the system is studied. The present approximate method is displacement based and Von-Karman type of geometric nonlinearity is considered with rotational component to incorporate transverse shear. Hamilton’s principle is used to derive nonlinear set of governing equation and Broyden method is implemented to solve the nonlinear equations numerically. The results are successfully validated with previously published article. Frequency vs. amplitude curve corresponding to different combinations of system parameters are presented and are capable of serving as benchmark results. A separate free vibration analysis is undertaken to include backbone curves with the frequency response curves in the non-dimensional plane.
- Location
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Deutsche Nationalbibliothek Frankfurt am Main
- Extent
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Online-Ressource
- Language
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Englisch
- Bibliographic citation
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Nonlinear response of axially functionally graded Timoshenko beams on elastic foundation under harmonic excitation ; volume:6 ; number:1 ; year:2019 ; pages:90-104 ; extent:15
Curved and layered structures ; 6, Heft 1 (2019), 90-104 (gesamt 15)
- Creator
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Lohar, Hareram
Mitra, Anirban
Sahoo, Sarmila
- DOI
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10.1515/cls-2019-0008
- URN
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urn:nbn:de:101:1-2410251629176.459696518708
- Rights
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Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
- Last update
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15.08.2025, 7:24 AM CEST
Data provider
Deutsche Nationalbibliothek. If you have any questions about the object, please contact the data provider.
Associated
- Lohar, Hareram
- Mitra, Anirban
- Sahoo, Sarmila
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