Torsion and transverse sensing of conical shells
Torsion and transverse sensing of conical shells
复制标题
锥形壳的扭转和横向传感
DOI：
10.1016/j.ymssp.2010.05.004
复制
发表时间：
2010-10
影响因子：
8.4
通讯作者：
H.S
中科院分区：
文献类型：
--
作者：
李华;陈照波;Tzou;H.S
Conical shells are widely used as payload/rocket adapters in rocket fairing systems. Generally, the conical shells are clamped at the major end and free at the minor end, where the payload is mounted. This study focuses on the dynamic sensing of conical shells with fix-free boundary conditions (BCs) by using distributed piezoelectric helical sensors. Two types of motion are studied, i.e., the transverse modes and the torsion modes. The shear-type sensors for shells sensing are presented first. Formulations of sensing signals of a general shell of revolution are presented, and then simplified to conical shells. For sensing of transverse vibrations, thin piezoelectric sensors are laminated on the top surface. Two types of sensor distribution are considered: a fully distributed and a helical or diagonal laminated. The total signal consists of four components resulting from the four strain components, and each of them is evaluated in detail. For sensing of torsion vibrations, a meridional polarized shear-type sensor with side electrodes is layered on the top surface of the shell structure. Sensing signals of natural shell modes are also evaluated. Analyses show that, in low order modes, the sensing signals induced by the circumferential membrane strains are the primary components of the total signal generations. The numerical results indicate the optimal location of the sensors. The proposed method is capable of determining the modal participation factors, while the testing signal is available; it is also capable of determining the mode shapes by using several distributed sensor segments.
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DOI：
10.1177/1045389x05053154
发表时间：
2005-06
影响因子：
2.7
作者：
Brian P. Baillargeon;S. Vel
通讯作者：
Brian P. Baillargeon;S. Vel
影响因子：
3.6
作者：
Xiao-Hong Wu;Changqing Chen;Ya-peng Shen;X. Tian
通讯作者：
Xiao-Hong Wu;Changqing Chen;Ya-peng Shen;X. Tian
影响因子：
4.7
作者：
H. Tzou;W. K. Chai;D. W. Wang
通讯作者：
H. Tzou;W. K. Chai;D. W. Wang
DOI：
--
发表时间：
2005
期刊：
--
影响因子：
--
作者：
Z. Jun
通讯作者：
Z. Jun
DOI：
10.1117/12.384583
发表时间：
2000-04
期刊：
--
影响因子：
--
作者：
J. Maly;Scott A. Haskett;P. Wilke;E. Fowler;D. Sciulli;T. Meink
通讯作者：
J. Maly;Scott A. Haskett;P. Wilke;E. Fowler;D. Sciulli;T. Meink