The S. P. Timoshenko Institute
of Mechanics of the National Academy of Sciences of Ukraine is
engaged in the following basic scientific trends:
of Compositional and Nonhomogeneous Media.
Mechanics of Shell Systems.
of Coupled Fields in Materials and Members
Mechanics and Fatigue.
and Stability of Motion of Mechanical Systems .
Scientific trends of the
departments are presented below on the basis of their belonging
to the major scientific trends of the Institute.
Mechanics of Compositional and Nonhomogeneous Media.
linearized theory of stability of deformed bodies for
different elastic, plastic and rheological models.
Propagation of elastic waves in the bodies with initial
stresses and grounds of the supersound methods of
determining stresses in rigid bodies (מעהוכ ¹1).
and methods of prediction of physico-mechanical
properties of composite materials of stochastic
structure. Continual mechanics of multiphase media
(elastic two-component mixtures, porous saturated media,
liquid-dispersed mixtures, bubble liquids,
two-temperature thermoelasticity) (מעהוכ ¹2).
of reinforced materials, methods of research of
deformation in materials with elastic and elastoplastic
problems of the theory of elasticity, thermoelasticity
and electroelasticity for isotropic and
transversally-isotropic bodies with the boundaries
coinciding with the coordinate surfaces of the second
order. Stress concentration in the vicinity of the
cavities and incorporations (מעהוכ ¹4). >>
of the basic classes of the problems of mechanics of the
deformed solid on the basis of grating approach within
the frameworks of the conception of base schemes of new
discrete models for numerical solution (מעהוכ ¹5). >>
Structure Mechanics of Shell Systems.
methods of solution of the boundary value problems of
statics of laminated anisotropic shells, shells with
curvilinearaxis, shallow shells (מעהוכ ¹6).
of ribbed shells allowing for the discrete distribution
of ribs. Statics of ribbed shells of revolution (מעהוכ ¹7). >>
Mechanics of Coupled Fields in Materials and Members of Structures
of thermoviscopalsticity, describing complex
nonisothermal processes of loading with regard for the
geometry of the body element deformation trajectory and
material damageability under creep (מעהוכ ¹8).
in quasi-statical and dynamic processes of deformation of
elastic an viscoelastic spatial and thin-walled bodies
under stationary mechanical an thermal effects in
nonconnected statement (מעהוכ ¹9).
mathematical models and methods of analysis of dynamic
deformation of solids from compositional,
piezoelectrical, electro- and magnetostrictional
materials under interaction with the environment (מעהוכ ¹10). >>
Fracture Mechanics and Fatigue.
creep theory of linear-strengthening,
nonlinear-strengthening and ideal-plastic materials
determining creep equations under statical, stepped and
cyclic loadings (מעהוכ ¹11).
method of solution of statical problems of linear theory
of viscoelasticity for anisotropic bodies based on the
use of continued fractions (מעהוכ ¹12). >>
V. Dynamic and Stability of
Motion of Mechanical Systems .
processes in the shells with regard for their geometry,
linearity factors and availability of liquid (ideal and
of dynamic loading of heavy technological and transport
stability of large-scale systems including those with
structure and singular perturbations. Analysis of
solution stability of the sets of nonlinear equations
with a small parameter (מעהוכ ¹15).
of nonstationary deformation of piezoceramic bodies
(shells) and systems under the effect of electric loads
and waves in liquid (מעהוכ ¹16).