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Information × Registration Number 0212U001539, 0109U002264 , R & D reports Title Forced resonance oscillation and dissipative heating of the spatial heterogeneous rotation bodies of nonelastic materially nonlinear matter popup.stage_title Head Sichko Viktor Mihaylovich, Registration Date 10-02-2012 Organization Mykolayiv State University popup.description2 Thermomechanical processes in spatial rotation of bodies physically nonlinear inelastic materials at monoharmonichnomu resonant load were the objectives of the study. The aim of the work was to develop a simplified theory of coupled thermomechanical behavior of physically nonlinear thin-walled elements of dissipative materials at harmonic load in SF approach, the development of appropriate formulations of boundary value problems and study the basic laws of quasistatic and dynamic thermomechanical behavior of homogeneous and inhomogeneous thin-walled structural elements. To prove this goal the following tasks are achieved: - design and rationale of the simplified model monoharm coupled thermomechanical behavior of thin-walled structural elements of physically nonlinear materials under harmonic loading - to develop methods of determining the parameters of the simplified model of harmonies field - improvement of the coupled problem of vibration and physically nonlinear dissipative heating of inelastic thin-walled bodies with harmonic loading - to develop methods for solving nonlinear boundary problems of thermomechanics inelastic thin-walled structural elements, "development of methods of numerical solution of the above classes of problems," Detection and study of the general laws of quasistatic and dynamic behavior of coupled physically nonlinear body rotation, flat and thin-walled structural elements, "the study of resonant bending vibrations and dissipative heating of thin plates with a physically nonlinear materials," the study of resonant bending vibrations and dissipative heating of thin shells of physically nonlinear materials, thermal destruction of inelastic shells with bending vibrations . Research methods - numerical-analytical method using finite element method and the method of discrete orthogonalization. During fulfilling the project the following scientific and practical results are achieved: a simplified model of the mechanical behavior of the material for the case of harmonic deformation and on the basis of approximate formulation coupled thermomechanics problem of physically nonlinear inelastic bodies, "developed methods of numerical study of coupled thermomechanical behavior of physically nonlinear bodies at harmonic loading, "The basic laws of quasistatic and dynamic, in particular resonance, vibrations and dissipative heating of inelastic bodies at harmonic load, the effect of nonlinearity, inelasticity and the level of burden on the frequency characteristics of the basic field variables; the features coupled thermomechanical processes in physically nonlinear inhomogeneous thin-walled structural elements, solids containing defects and stress concentrators, thin-walled laminated elements are studied, the main regularities and study the resonant behavior of thin-walled structural elements, which consist of piezoactive and passive layers are observed. Product Description popup.authors Вертелецький Михайло Іванович Гуйтур Василь Іванович Жук Ярослав Олександрович Завгородній Андрій Володимирович Карнаухов Василь Гаврилович Карпенюк Олексій Сергійович Січко Віктор Михайлович popup.nrat_date 2020-04-02 Close