Tag: Unsteady

Pseudo-Monotone Operator Theory for Unsteady Problems with Variable Exponents


Free Download Pseudo-Monotone Operator Theory for Unsteady Problems with Variable Exponents by Alex Kaltenbach
English | PDF EPUB (True) | 364 Pages | ISBN : 3031296699 | 56.7 MB
This book provides a comprehensive analysis of the existence of weak solutions of unsteady problems with variable exponents. The central motivation is the weak solvability of the unsteady p(.,.)-Navier-Stokes equations describing the motion of an incompressible electro-rheological fluid. Due to the variable dependence of the power-law index p(.,.) in this system, the classical weak existence analysis based on the pseudo-monotone operator theory in the framework of Bochner-Lebesgue spaces is not applicable. As a substitute for Bochner-Lebesgue spaces, variable Bochner-Lebesgue spaces are introduced and analyzed. In the mathematical framework of this substitute, the theory of pseudo-monotone operators is extended to unsteady problems with variable exponents, leading to the weak solvability of the unsteady p(.,.)-Navier-Stokes equations under general assumptions.

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