Part III: FORCED CONVECTION IN POROUS MEDIA Double-Diffusive Convection in Porous Media Abdelkader Mojtabi and Marie-Catherine Charrier-Mojtabi The Influence of Mechanical Vibrations on Buoyancy Induced Convection in Porous Media Yazdan Pedram Razi, Kittinan Maliwan, Marie Catherine Charrier-Mojtabi, and Abdelkader Mojtabi