Pregled bibliografske jedinice broj: 1051783
Time dependence of phase variables in a steady shear flow algorithm
Time dependence of phase variables in a steady shear flow algorithm // Physical review. E, Statistical, nonlinear, and soft matter physics, 71 (2005), 1; 011202, 6 doi:10.1103/physreve.71.011202 (recenziran, članak, znanstveni)
CROSBI ID: 1051783 Za ispravke kontaktirajte CROSBI podršku putem web obrasca
Naslov
Time dependence of phase variables in a steady shear flow algorithm
Autori
Petravić, Janka
Izvornik
Physical review. E, Statistical, nonlinear, and soft matter physics (1539-3755) 71
(2005), 1;
011202, 6
Vrsta, podvrsta i kategorija rada
Radovi u časopisima, članak, znanstveni
Ključne riječi
shear flow ; periodic boundary conditions ; time dependence
Sažetak
We study the periodic time dependence of shear stress that occurs in a low- and a high-density fluid in a molecular dynamics algorithm for simulation of constant shear flow. We present a generalization of the linear response theory for a case when the equilibrium relaxation function and the equilibrium shear stress depend on strain. The predictions of this generalization reveal that the time dependence at low densities is a completely nonlinear effect. At high densities the amplitude of equilibrium oscillations of shear stress with strain is modified by strain-dependent viscosity, causing a decrease in amplitude proportional to shear rate in the linear response regime.
Izvorni jezik
Engleski
Znanstvena područja
Matematika, Fizika
Citiraj ovu publikaciju:
Časopis indeksira:
- Current Contents Connect (CCC)
- Web of Science Core Collection (WoSCC)
- Science Citation Index Expanded (SCI-EXP)
- SCI-EXP, SSCI i/ili A&HCI
- Scopus
- MEDLINE
