1Liang C, Sun FP, Rogers CA. An impedance method for dynamic analysis of active material system. Journal of Vi- bration and Acoustics, 1994,8:116-120.
2Heyliger PIL Reddy YN. A higher order beam finite el- ement for bending and vibration problems. Journal of So- und and Vibration, 1996,126:309-326.
3Park G, Cudney HH, Inman DJ. An integrated health monitoring technique using structural impedance sensors.Journal of Intelligent Material Systems and Structures, 2000, 11:448-455.
4Naidu ASK, Soh CK. Damage severity and propagation characterization with admittance signatures ofpiczo trans- ducers. Smart Materials and Structures, 2004,13:393-403.
5Park G, Cudney HH, Inman DJ. Feasibility of using impe- dance-based damage assessment for pipeline structures. Earthquake Engineering and Structural Dynamics, 2001.30:1463-1474.
6Crawlcy EF, Lius JD. Use of piezoelectric actuators as ele- ments of intelligent structures. AIAA Joumal, 1987,25 (10):1373-1385.
7Yah W, Chen WQ, Lim CW, Cai JB. Damage detection with highfrequency electric impedance signals. Journal of Zhejiang University (Engineering Science), 2007,41 (1): 6-11.
8Howard SM, Pao YH. Analysis and experiments on stress waves in planar trusses. Journal of Engineering Mechan- ics, 1998,124:884-910.
9Lim CW, Li ZR, Xiang Y, Wei GW, Wang CM. On the mis- sing modes when using the exact frequency relationship between Kirchhoff and Mindlin plates. Advances in Vibra- tion Engineering. 2005,4(3):221-248.
10Pao YH, Keh DC. Dynamic response and wave propaga- tion in plane trusses and frames. AIAA Journal, 1999,37: 594-603.
