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Information × Registration Number 0206U000564, 0102U001479 , R & D reports Title Evolution of numerical methods of R-function theory and its application. popup.stage_title Head Sheyko T.I., Registration Date 31-01-2006 Organization A.Podgorny Institute of Mechanical Engineering Problems of the National Academy of Science of Ukraine popup.description2 New structures of solving boundary problems (GSS) in the mechanics of solids and the theory of plates and shells, heat physics and electrodynamics for complex-shape locuses have been built, and their completeness has been substantiated. The Lagrange-Hermite interlocation formulas have been modified. The mathematical models of fields with helical and cyclic type of symmetry have been investigated. New constructional tools in the R-functions theory have been developed for solving the analytical geometry inverse problem in 3D space for blending in a pseudo model. The following has been investigated: laminar fluid flow in twisted pipes and coils; the initial-boundary creep problems for bodies of rotation; geometrically non-linear oscillations of orthotropic plates; oscillations of electromagnetic fields in waveguides containing geometric singularities; electrostatic fields in magnetrons and multi-pole deflectors; temperature fields in semi-axial resonators loaded with crystals Product Description popup.authors popup.nrat_date 2020-04-02 Close