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DELAMINATION STUDY OF MULTILAYERED INHOMOGENEOUS BEAMS WITH A SMOOTHLY CHANGING HEIGHT

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Journal of Applied Mechanics and Technical Physics Aims and scope

Abstract

The influence of the smoothly changing beam height on delamination in multilayered inhomogeneous beam configurations consisting of longitudinal vertical layers is investigated. A solution to the strain energy release rate is obtained for a delamination crack located arbitrarily between the layers, assuming a linear change in the height over the beam length. The solution obtained is verified by considering the energy balance. The strain energy release rate is also analyzed for the cases of parabolic and tangent changes in the height over the beam length.

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Authors and Affiliations

  1. Department of Technical Mechanics, University of Architecture, Civil Engineering and Geodesy, 1046, Sofia, Bulgaria

    V. I. Rizov

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  1. V. I. Rizov
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Correspondence to V. I. Rizov.

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Translated from Prikladnaya Mekhanika i Tekhnicheskaya Fizika, 2021, Vol. 62, No. 1, pp. 55–62. https://doi.org/10.15372/PMTF20210106.

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Rizov, V.I. DELAMINATION STUDY OF MULTILAYERED INHOMOGENEOUS BEAMS WITH A SMOOTHLY CHANGING HEIGHT. J Appl Mech Tech Phy 62, 49–56 (2021). https://doi.org/10.1134/S0021894421010065

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  • DOI: https://doi.org/10.1134/S0021894421010065

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