Research on dynamic strength and wear resistance of constructional
materials. New strength and fracture criteria. Effective means of
dynamic strength properties analysis for construction materials and
design elements of units.
Fast failure process modeling of construction materials subjected
to intensive external effects. A new approach to testing of dynamic
strength properties of materials, based on a system of fixed parameters
invariant to the way and history of loading.
Analytical and numerical solution methods of problems of fracture
and plasticity for deformable bodies. Explanation and analysis of high-speed failure
effects of materials on the basis of a unified approach and recommendation
on their use in practical engineering.
Quantitative evaluations of strength, fracture toughness, and yield points
of particular construction steels and alloys, subjected to extreme temperature
and mechanical actions. Brittle-to-ductile transitions under dynamic loading.
Criteria of cavitation in liquids. Cavitation under short-pulsed actions.
Prediction of acoustical strength of cryogenic liquids for various
frequencies and temperatures.
New incubation time based criterion of electrical strength. Predictions and calculations of
"volt-second" characteristics. Modelling of electrical breakdown effects
in insulators.
Modelling of effects of temperature anomalies in materials subjected
to the action of shock waves.
Explanation of the effect of anomalously high melting temperatures
detected during the pulsed action in conditions of spall failure.
Prediction and evaluation of the effect of anomalous
increase of the yield stress (high temperature embrittlement) with increase
of temperature detected during the intesive impact action.
New approach to modelling of phase transitions in continua
under extreme dynamic actions.