Muschik Wolfgang Muschik – författare

In six lectures aspects of modern non-equilibrium thermodynamics of discrete systems as well as continuum theoretical concepts are represented. Starting out with survey and introduction, state spaces are defined, the existence of internal energy is investigated, and Clausius inequality including negative absolute temperature is derived by diagram technique. Non-equilibrium contact quantities, such as contact temperature — the dynamic analogue of thermostatic temperature — and chemical potentials are phenomenologically defined and quantumstatistically founded. Using Clausius inequality the existence of non-negative entropy production is proved which allows to formulate a dissipation inequality in continuum thermodynamics. The transition between thermodynamics of discrete systems and continuum thermodynamics with respect to contact quantities is considered. Different possibilities of exploiting the dissipation inequality for getting constraints for constitutive equations are discussed. Finally hyperbolic heat conduction in non-extended thermodynamics is treated.

The aim of this international symposium was to bring together active scientists from Central, East and West Europe working in the field of physics of continua. So 9 invited and 27 contributed lectures were delivered, and 16 posters were presented from scientists of 12 European countries. The covered fields of the symposium were thermomechanics including thermoviscoplasticity and magnetoplasticity, nonlinear and hyperbolic heat conduction processes, two-phase flow, biomechanics and mesoscopic continuum mechanics. A final discussion on the terminology of continuum physics brought closer together the different theoretical methods used in the various fields.