Abstract
Spherical-symmetric stead-state response problem of piezoelectric spherical shell in the absence of body force and free charges is discussed. The steady-state response solutions of mechanical displacement, stresses, strains, potential and electric displacement were derived from constitutive relations, geometric and motion equations for the piezoelectric medium under external excitation ( i. e. applied surface traction and potential) in spherical coordinate system. As an application of the general solutions, the problem of an elastic spherical shell with piezoelectric actuator and sensor layers was solved. The results could provide good theoretical basis for the spherical symmetric dynamic control problem of piezoelectric intelligent structure. Furthermore, the solutions can serve as reference for the research of general dynamic control problem.
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Communicated by SHEN Hui-shen
CLC number: 0343.1
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Hang-yun, L., Zheng-xing, L. & Qi-rong, L. Spherical-symmetric steady-state response of piezoelectric spherical shell under external excitation. Appl Math Mech 21, 947–956 (2000). https://doi.org/10.1007/BF02428365
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DOI: https://doi.org/10.1007/BF02428365