2 results match your criteria: "Russia and Peter the Great Saint Petersburg Polytechnical University[Affiliation]"
Acoustic transparency of the chain-chain interface.
Phys Rev E
June 2023
Institute for Problems in Mechanical Engineering RAS, Saint Petersburg, Russia and Peter the Great Saint Petersburg Polytechnical University, Saint Petersburg, Russia.
We study propagation of wave packets through the interface between two dissimilar harmonic chains with on-site potentials (e.g., chains lying on elastic foundations).
View Article and Find Full Text PDFBallistic resonance and thermalization in the Fermi-Pasta-Ulam-Tsingou chain at finite temperature.
Phys Rev E
April 2020
Institute for Problems in Mechanical Engineering, RAS, Saint Petersburg 199178, Russia and Peter the Great Saint Petersburg Polytechnical University, Saint Petersburg 195251, Russia.
We study conversion of thermal energy to mechanical energy and vice versa in an α-Fermi-Pasta-Ulam-Tsingou (FPUT) chain with a spatially sinusoidal profile of initial temperature. We show analytically that coupling between macroscopic dynamics and quasiballistic heat transport gives rise to mechanical vibrations with growing amplitude. This phenomenon is referred to as ballistic resonance.
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