Tags

Type your tag names separated by a space and hit enter

Smoothed particle hydrodynamic model for viscoelastic fluids with thermal fluctuations.
Phys Rev E Stat Nonlin Soft Matter Phys 2009; 79(5 Pt 2):056707PR

Abstract

We present a fluid-particle model for a polymer solution in nonisothermal situations. The state of the fluid particles is characterized by the thermodynamic variables and a configuration tensor that describes the underlying molecular orientation of the polymer molecules. The specification of very simple physical mechanisms inspired by the dynamics of single polymer molecules allows one, with the help of the general equation for nonequilibrium reversible-irreversible coupling (GENERIC) formalism, to derive the equations of motion for a set of fluid particles carrying polymer molecules in suspension. In the simplest case of Hookean dumbbells we recover a fluid-particle version of the Oldroyd-B model in which thermal fluctuations are included consistently. Generalization to more complex viscoelastic models, such as finitely extensible nonlinear elastic Peterlin (FENE-P) model, with the proper introduction of thermal fluctuations is straightforward.

Authors+Show Affiliations

Departamento de Física Fundamental, UNED, Apartado 60141, 28080 Madrid, Spain.No affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

19518593

Citation

Vázquez-Quesada, Adolfo, et al. "Smoothed Particle Hydrodynamic Model for Viscoelastic Fluids With Thermal Fluctuations." Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics, vol. 79, no. 5 Pt 2, 2009, p. 056707.
Vázquez-Quesada A, Ellero M, Español P. Smoothed particle hydrodynamic model for viscoelastic fluids with thermal fluctuations. Phys Rev E Stat Nonlin Soft Matter Phys. 2009;79(5 Pt 2):056707.
Vázquez-Quesada, A., Ellero, M., & Español, P. (2009). Smoothed particle hydrodynamic model for viscoelastic fluids with thermal fluctuations. Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics, 79(5 Pt 2), p. 056707.
Vázquez-Quesada A, Ellero M, Español P. Smoothed Particle Hydrodynamic Model for Viscoelastic Fluids With Thermal Fluctuations. Phys Rev E Stat Nonlin Soft Matter Phys. 2009;79(5 Pt 2):056707. PubMed PMID: 19518593.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Smoothed particle hydrodynamic model for viscoelastic fluids with thermal fluctuations. AU - Vázquez-Quesada,Adolfo, AU - Ellero,Marco, AU - Español,Pep, Y1 - 2009/05/22/ PY - 2008/10/20/received PY - 2009/6/13/entrez PY - 2009/6/13/pubmed PY - 2009/6/13/medline SP - 056707 EP - 056707 JF - Physical review. E, Statistical, nonlinear, and soft matter physics JO - Phys Rev E Stat Nonlin Soft Matter Phys VL - 79 IS - 5 Pt 2 N2 - We present a fluid-particle model for a polymer solution in nonisothermal situations. The state of the fluid particles is characterized by the thermodynamic variables and a configuration tensor that describes the underlying molecular orientation of the polymer molecules. The specification of very simple physical mechanisms inspired by the dynamics of single polymer molecules allows one, with the help of the general equation for nonequilibrium reversible-irreversible coupling (GENERIC) formalism, to derive the equations of motion for a set of fluid particles carrying polymer molecules in suspension. In the simplest case of Hookean dumbbells we recover a fluid-particle version of the Oldroyd-B model in which thermal fluctuations are included consistently. Generalization to more complex viscoelastic models, such as finitely extensible nonlinear elastic Peterlin (FENE-P) model, with the proper introduction of thermal fluctuations is straightforward. SN - 1539-3755 UR - https://www.unboundmedicine.com/medline/citation/19518593/Smoothed_particle_hydrodynamic_model_for_viscoelastic_fluids_with_thermal_fluctuations_ DB - PRIME DP - Unbound Medicine ER -