TY - BOOK AU - Mohamed Omar Abdelreheem Mansour AU - Mustafa Arafa , AU - Said Megahed , TI - Vibration-based energy harvesting with resonators exhibiting tunable natural frequencies / PY - 2011/// CY - Cairo : PB - Mohamed Omar Abdelreheem Mansour , KW - Energy harvesting KW - Natural frequency tuning KW - Vibrations N1 - Thesis (M.Sc.) - Cairo University - Faculty of Engineering - Department of Mechanical Design and Production; Issued also as CD N2 - Energy generation is rapidly depending on renewable and abundant resources. Kinetic energy available in ambient mechanical vibrations offers an endless source of wasted energy which can be utilized to supply low power electronics with their required energy. A typical vibration energy harvester consists of an elastic element and an energy converting element ER -