JMBC Representative: GertJan van Heijst(TU Delft, NL)
CISM Representative: Alfredo Soldati(CISM, Udine, I)
Fluids and fluid flows are everywhere and are key to a vast number of scientific problems and industrial applications. Fluid flows can display extremely different behavior depending on the length - and time - scale of observation, on the internal fluid structure, on the flow geometry and on the presence of (external) forces.
With the present course we will offer to PhD students and to young researchers the possibility to have a rather complete overview of the different type of behavior that fluids can exhibit under different flowing conditions. The course will cover from the dynamics of complex fluids to the statistical description of complex flows. In particular, the course will address the physics of yield stress materials, the rheology of dense fluid suspensions, the physics of laminar and turbulent flows, the (turbulent) transport of heat and mass. Lectures will present the phenomenology, the theoretical framework and where appropriate they will illustrate numerical and experimental approaches.
The organization of the course will combine the expertise of both JBMC and CISM and will address both the Dutch scientific community working on fluid mechanics as well as the international community (CISM).
6 lectures on: fluid dynamics turbulence.
The laminar-turbulent transition, fully developed turbulence, from Kolmogorov 1941 to multifractals; 2d vs. 3d turbulence, turbulent passive scalar. Eulerian vs. Lagrangian turbulence.
6 lectures on: thermally driven flows.
Specific topics: Physics of thermally driven turbulence flows, instability, Rayleigh-Benard and Rayleigh-Taylor model systems. The GL theory for Rayleigh-Benard and Taylor-Couette systems.
6 lectures on: rheology of dense particulate systems.
Classical rheology of suspensions, rheology of dense suspension and the jamming transition, rheology of suspension in complex fluids and shear thickening.
4 lectures on: soft glassy flows.
Specific topics: Soft glassy rheology; microscopic picture; the jamming transition; models of soft glassy rheology; non- local rheology; foams; open questions.
6 lectures on: from point-wise to complex particles turbulence.
Models for particles and bubble dynamics, preferential concentration, small-scale clustering and fractal dimensions; non-spherical particles; numerical techniques; open questions.
* Italian VAT is 22%.