For the damage self repair of the smart composite structure,this paper puts the self diagnose and self repair net in smart composite structure by hollow center optic fiber forth and some key technologies in it are discussed.

Bending Vibration Equation and Vibration Model of SMA Smart Composites;

The conception, research orientation and potential applications of smart materials and structures were reviewed.

The testing methods for shape memory alloy (SMA) are proposed based on material evaluation technology and requirement of smart materials and structures.

Recent devel-opments and applications of smart materials and structures in various countries,compositions an.

As a newly emerging frontier interdiscipline, smart materials and structures possesses a great development potential and wide application prospect, and has become one of the research focuses at home and abroad.

With the reference to up to date world wide literature, some methods based on smart materials and structures such as stress wave factor, mechanical impedance and hollow center optical fiber sensing are emphatically presented on with a concise review of conventional methods of structural damage detection.

With reference to up\|to\|date overseas and home literature, the paper has concentrated on methods of optical fiber sensing, stress wave and mechanical impedance, which is based on smart materials and structures, on the basis of a concise review of conventional methods of structural damage evaluation.