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Hadjigeorgiou E.P.
artykuł
Stavroulakis G.E.
This paper presents a study of the implications of using auxetic materials in the design of smart structures. By using auxetic materials as core and piezoelectric actuators as face layers to provide control forces, the problem of the shape control of sandwich beams is analyzed under loading conditions. The mechanical model is based on the shear deformable theory for beams and the linear theory of piezoelectricity. The numerical solution of the model is based on superconvergent (locking-free) finite elements for the beam theory, using Hamilton's principle. The optimal voltages of the piezo-actuators for shape control of a cantilever beams with classical and auxetic material are determined by using a genetic optimization procedure. Related numerical solutions of static problems demonstrate the role of auxetic material in the deformation, shape control and stress distribution of the beam and related twodimensional composite elastic structures.
Poznań
OWN
2004.12.14
application/pdf
oai:lib.psnc.pl:567
eng
Jul 31, 2014
May 26, 2014
767
https://lib.psnc.pl/publication/668
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OAI-PMH
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