Highlights of twenty years of research in mechanics
In this talk Prof. Gioia will outline the outcome of research on three themes in the mechanics of solids and fluids: “bistable material systems'' and encompasses phenomena such as the buckling of thin elastic films, the deformation of elastic celular materials, and the compaction of cohesive granular aggregates.
The second theme, ``dense granular flow,'' concerns phenomena such as stratification, diffusion, segregation, and crater-ray formation in flowing granular systems.
The third and last theme, ``the spectral link in turbulence,'' is named after a simple model whereby turbulent phenomena such as the frictional drag and the mean-velocity profile, which are discussed in any undergraduate textbook on fluid dynamics but remain poorly understood, can be linked to, and explained as macroscopic manifestations of, the classical turbulent-eddy velocity distribution of Kolmogorov.
The talk dwells on the physical phenomena (as evinced in experiments) and on salient theoretical concepts (excluding technicalities); it is meant for general engineering students who might be interested in research.
For further information:
Prof. Luca Ridolfi, Politecnico di Torino – DIATI, firstname.lastname@example.org