Szukana fraza: [Abstract = "Generalization of the model during bending metal tubes at the tube bending machines as compared with the existing papers \(Śloderbach, 1999\; Śloderbach and Rechul, 2000\) consists in including the neutral axis displacement and possibility of determination of strains at each point along the thickness of the wall of the bent tube in the bending and bend zone. The derived scheme of strain satisfies initial and boundary kinematic conditions of the bending process, conditions of continuity and inseparability of strains. The obtained analytic expressions can be classified as acceptable from the kinematic point of view."]

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