Variational modeling and complex fluids

Mi Ho Giga, Arkadz Kirshtein, Chun Liu

Research output: Chapter in Book/Report/Conference proceedingChapter

Abstract

In this chapter, a general energetic variational framework for modeling the dynamics of complex fluids is introduced. The approach reveals and focuses on the couplings and competitions between different mechanisms involved for specific materials, including energetic contributions vs. kinematic transport relations, conservative parts vs. dissipative parts and kinetic parts vs. free energy parts of the systems, macroscopic deformation or flows vs. microscopic deformations, bulk effects vs. boundary conditions, etc. One has to notice that these variational approaches are motivated by the seminal works of Rayleigh (Proc Lond Math Soc 1(1):357-368, 1871) and Onsager (Phys Rev 37(4):405, 1931; Phys Rev 38(12):2265, 1931). In this chapter, the underlying physical principles and background, as well as the limitations of these approaches, are demonstrated. Besides the classical models for ideal fluids and elastic solids, these approaches are employed for models of viscoelastic fluids, diffusion, and mixtures.

Original languageEnglish (US)
Title of host publicationHandbook of Mathematical Analysis in Mechanics of Viscous Fluids
PublisherSpringer International Publishing
Pages73-113
Number of pages41
ISBN (Electronic)9783319133447
ISBN (Print)9783319133430
DOIs
StatePublished - Apr 19 2018

Fingerprint

Complex Fluids
ideal fluids
Ideal Fluid
Fluids
Viscoelastic Fluid
fluids
Variational Approach
Modeling
Rayleigh
Free Energy
Kinematics
kinematics
Kinetics
free energy
boundary conditions
Boundary conditions
Free energy
kinetics
Model
Framework

All Science Journal Classification (ASJC) codes

  • Mathematics(all)
  • Physics and Astronomy(all)
  • Engineering(all)

Cite this

Giga, M. H., Kirshtein, A., & Liu, C. (2018). Variational modeling and complex fluids. In Handbook of Mathematical Analysis in Mechanics of Viscous Fluids (pp. 73-113). Springer International Publishing. https://doi.org/10.1007/978-3-319-13344-7_2
Giga, Mi Ho ; Kirshtein, Arkadz ; Liu, Chun. / Variational modeling and complex fluids. Handbook of Mathematical Analysis in Mechanics of Viscous Fluids. Springer International Publishing, 2018. pp. 73-113
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Giga, MH, Kirshtein, A & Liu, C 2018, Variational modeling and complex fluids. in Handbook of Mathematical Analysis in Mechanics of Viscous Fluids. Springer International Publishing, pp. 73-113. https://doi.org/10.1007/978-3-319-13344-7_2

Variational modeling and complex fluids. / Giga, Mi Ho; Kirshtein, Arkadz; Liu, Chun.

Handbook of Mathematical Analysis in Mechanics of Viscous Fluids. Springer International Publishing, 2018. p. 73-113.

Research output: Chapter in Book/Report/Conference proceedingChapter

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Giga MH, Kirshtein A, Liu C. Variational modeling and complex fluids. In Handbook of Mathematical Analysis in Mechanics of Viscous Fluids. Springer International Publishing. 2018. p. 73-113 https://doi.org/10.1007/978-3-319-13344-7_2