"Mechanical losses in glassy silicon dioxide: results of atomistic simulation"
Grigoriev F.V., Sulimov V.B., and Tikhonravov A.V.

Two methods to estimate the mechanical energy losses in solid materials are proposed. These methods are based on the molecular dynamics simulation of external actions on the body's structure, followed by its relaxation. The inverse quality factor and its Fourier transform are estimated on the frequency equal to the reverse time of relaxation. The inverse quality factor is estimated from above by 10-4, which corresponds to experimental data. The Fourier transform is estimated from above by 10-2.

Keywords: mechanical losses, molecular dynamics, glassy silicon dioxide.

  • Grigoriev F.V. – Research Computing Center, Lomonosov Moscow State University; Leninskie Gory, Moscow, 119992, Russia; Ph.D., Leading Scientist, e-mail: fedor.grigoriev@gmail.com
  • Sulimov V.B. – Research Computing Center, Lomonosov Moscow State University; Leninskie Gory, Moscow, 119992, Russia; Dr. Sci., Head of Laboratory, e-mail: v.sulimov@srcc.msu.ru
  • Tikhonravov A.V. – Research Computing Center, Lomonosov Moscow State University; Leninskie Gory, Moscow, 119992, Russia; Dr. Sci., Professor, Director, e-mail: tikh@srcc.msu.ru