Modeling and Analysis of Complex Flexible Systems Using Distributed TransferFunctions

摘要

In this research, an innovative tool, called the Distributed Transfer FunctionMethod (DTFM), is developed for modeling and analysis of complex flexible military structures. With the developed method, the eigensolutions, dynamic response and stability of a large class of flexible systems subject to a variety of forcing sources, multi-body coupling and constraints are precisely and efficiently predicted. Computational algorithms for modeling and analysis of different structural components such as beams, plates and shells with laminated layers, as well as their assemblies, have been developed. The DTFM is also shown to be useful for exploring innovative techniques in vibration controller design and smart structure design. The research results have important applications in optical design and vibration control of helicopter rotors with blades, robotized armament systems, rotating machinery, vehicle frame-suspension systems, and tank cannons and machine guns.