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Method for Determining the Crack Resistance of a Square Section Beam

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Russian Physics Journal Aims and scope

Simulation of a 3-point bending of a square beam located on supports by an edge but not on a flat side is carried out. The calculation is based on the fundamental relationship between the specific fracture energy G and the change in the sample compliance during crack propagation. In the ANSYS system, the dependence of the compliance on the crack length was obtained using the ORIGIN program. The derivative of this function along the crack length determines the change in the sample compliance. A universal equation for determining G in a wide range of geometric dimensions is obtained.

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Authors and Affiliations

  1. Institute of Strength Physics and Materials Science of the Siberian Branch of the Russian Academy of Sciences, Tomsk, Russia

    E. E. Deryugin & A. V. Pazhin

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  1. E. E. Deryugin
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  2. A. V. Pazhin
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Correspondence to E. E. Deryugin.

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Deryugin, E.E., Pazhin, A.V. Method for Determining the Crack Resistance of a Square Section Beam. Russ Phys J 66, 1270–1278 (2024). https://doi.org/10.1007/s11182-023-03072-2

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  • DOI: https://doi.org/10.1007/s11182-023-03072-2

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