A review of implicit algebraic constitutive relations for describing the response of nonlinear fluids

K Rajagopal - Comptes Rendus. Mécanique, 2023 - comptes-rendus.academie-sciences …
We review the class of implicit algebraic constitutive relations for fluids which includes in its
ambit those whose material properties depend on the invariants of the stress, the symmetric …

On the classification of incompressible fluids and a mathematical analysis of the equations that govern their motion

J Blechta, J Málek, KR Rajagopal - SIAM Journal on Mathematical Analysis, 2020 - SIAM
In the first part of the paper we provide a new classification of incompressible fluids
characterized by a continuous monotone relation between the velocity gradient and the …

[图书][B] Mechanics and mathematics of fluids of the differential type

D Cioranescu, V Girault, KR Rajagopal - 2016 - Springer
Many real fluids exhibit response characteristics that cannot be satisfactorily described by
the classical Navier–Stokes fluid model and such fluids are referred to as non-Newtonian …

[PDF][PDF] Derivation of equations for continuum mechanics and thermodynamics of fluids

J Málek, V Pruša - … of mathematical analysis in mechanics of …, 2016 - researchgate.net
The chapter starts with overview of the derivation of the balance equations for mass,
momentum, angular momentum and total energy, which is followed by a detailed discussion …

A novel approach to the description of constitutive relations

KR Rajagopal, G Saccomandi - Frontiers in Materials, 2016 - frontiersin.org
Recent advances in the development of implicit constitutive relations to describe the
response of both solids and fluids have greatly increased the repertoire of the modeler in his …

The state of stress and strain adjacent to notches in a new class of nonlinear elastic bodies

V Kulvait, J Málek, KR Rajagopal - Journal of Elasticity, 2019 - Springer
In this paper we study the deformation of a body with a notch subject to an anti-plane state of
stress within the context of a new class of elastic models. These models stem as …

On the flow of a stress power-law fluid in an orthogonal rheometer

L Fusi, B Calusi, A Farina, KR Rajagopal - International Journal of Non …, 2023 - Elsevier
The orthogonal rheometer, an instrument developed by Maxwell and Chartoff (1965) that
has been used to measure the properties of non-Newtonian fluids, is essentially two parallel …

Non-convex dissipation potentials in multiscale non-equilibrium thermodynamics

A Janečka, M Pavelka - Continuum Mechanics and Thermodynamics, 2018 - Springer
Reformulating constitutive relation in terms of gradient dynamics (being derivative of a
dissipation potential) brings additional information on stability, metastability and instability of …

On unsteady internal flows of incompressible fluids characterized by implicit constitutive equations in the bulk and on the boundary

M Bulíček, J Málek, E Maringová - Journal of Mathematical Fluid …, 2023 - Springer
Long-time and large-data existence of weak solutions for initial-and boundary-value
problems concerning three-dimensional flows of incompressible fluids is nowadays …

Compliance while resisting: A shear-thickening fluid controller for physical human-robot interaction

L Chen, L Chen, X Chen, H Lu… - … Journal of Robotics …, 2024 - journals.sagepub.com
Physical human-robot interaction (pHRI) is widely needed in many fields, such as industrial
manipulation, home services, and medical rehabilitation, and puts higher demands on the …