Effect of partial thickness actuation on stress concentration reduction near a hole

Piezoelectric materials and shape memory alloys are often used as partial thickness acuators. It is shown that such partial-thickness actuation cannot be used to reduce the stress concentration factor with axisymmetric actuation strain distribution.

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Bibliographic Details
Published in:AIAA journal 1994-04, Vol.32 (4), p.884-886
Main Authors: Sensharma, Pradeep K, Kadivar, Mohammad H, Haftka, Raphael T
Format: Article
Language:English
Subjects:
Exact sciences and technology
Fundamental areas of phenomenology (including applications)
Mechanical engineering
Physics
Solid mechanics
Static elasticity
Static elasticity (thermoelasticity...)
Structural and continuum mechanics
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Description
Summary:Piezoelectric materials and shape memory alloys are often used as partial thickness acuators. It is shown that such partial-thickness actuation cannot be used to reduce the stress concentration factor with axisymmetric actuation strain distribution.
ISSN:0001-1452
1533-385X
DOI:10.2514/3.12070