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Information × Registration Number 0215U007099, 0111U010334 , R & D reports Title Development of methods for research the bending of piecewise homogeneous plates with curved splits (cracks) if contacting their edges popup.stage_title Head Syasky Andry Oleksiyovich, Registration Date 29-01-2015 Organization Rivne State Humanitarian University popup.description2 The conducted research aimed for development the effective methods for solving the mixed contact problems concerning interaction along the faces of a curved interphase cuts in the piecewise-homogeneous isotropic or orthotropic plates under the influence of the bending load. Given the stress state composite plate is a combination of generalized plane stress state and stress state within the technical theory of bending of thin plates, the systems of integral-differential equations are developed for determination of functions, which define the contact forces and moments between the plate and the rigid (elastic) disc. A new approach to determine the number, location, and size of the contact zones within the interphase cut is presented. For approximate solution of the problem, the method of mechanical quadrature and collocation is adapted, which is utilized for studying the effect of the shape of the hole in the plate, relative rigidity of the disc, size of combination zones of the plate and disc, material orthotropy, and type of external load of the distribution of stress-strain state components on the interface plate and disc material, and generalized load intensity factor and moments at the ends of the cut (cuts). The convergence and accuracy of the proposed method are researched. For a piecewise-homogeneous plate with one or two symmetrical cuts at the interface of materials, the following cases are studied: the case of full contact along the cut faces when the tightness and impermeability of a plate-like structure are provided; the case when the emergence zone unlocking full contact or full contact with the birth of two symmetric points; the case of the existence of isolated contact zone and two lagging zones that adjacent to the zones of junction. The method of calculating the stress-strain state at the piecewise-homogeneous isotropic plate with a through asymmetric cut along the arc of a circle is developed. Product Description popup.authors Кот Василь Васильович Музичук Катерина Петрівна Сяський Андрій Олексійович Шинкарчук Назар Володимирович popup.nrat_date 2020-04-02 Close