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Non-Linear Finite Element Modeling of THUNDER Piezoelectric ActuatorsA NASTRAN non-linear finite element model has been developed for predicting the dome heights of THUNDER (THin Layer UNimorph Ferroelectric DrivER) piezoelectric actuators. To analytically validate the finite element model, a comparison was made with a non-linear plate solution using Von Karmen's approximation. A 500 volt input was used to examine the actuator deformation. The NASTRAN finite element model was also compared with experimental results. Four groups of specimens were fabricated and tested. Four different input voltages, which included 120, 160, 200, and 240 Vp-p with a 0 volts offset, were used for this comparison.
Document ID
19990046090
Acquisition Source
Langley Research Center
Document Type
Technical Memorandum (TM)
Authors
Taleghani, Barmac K. (Army Research Lab. Hampton, VA United States)
Campbell, Joel F. (Science Applications International Corp. Hampton, VA United States)
Date Acquired
September 6, 2013
Publication Date
May 1, 1999
Subject Category
Aircraft Design, Testing And Performance
Report/Patent Number
L-17834
NASA/TM-1999-209322
NAS 1.15:209322
ARL-TR-1977
Funding Number(s)
PROJECT: RTOP 522-32-41-01
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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