Three directions of nonlinear analysis: limit, elastoplastic, and structurally nonlinear, are discussed. Works reporting theoretical and experimental data are reviewed. The current state of this subject is critically analyzed.
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Notes
* In the tests, the branch pipe was loaded in the transverse plane by transverse force rather than by moment, so the linear displacements may be overestimated in the calculation. For moment load, it is proper to select the turning angle of the end section of the pipe as the deformation (strain) parameter (as combined rather than as linear displacement).
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Translated from Khimicheskoe i Neftegazovoe Mashinostroenie, No. 6, pp. 18–21, June, 2010.
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Skopinskii, V.N. Determination of plastic limit load for intersecting shells. Chem Petrol Eng 46, 341–346 (2010). https://doi.org/10.1007/s10556-010-9341-6
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DOI: https://doi.org/10.1007/s10556-010-9341-6