A fast boundary element model for the analysis of three-dimensional solids with cracks and adhesively bonded piezoelectric patches, used as strain sensors, is presented. The piezoelectric sensors, as well as the adhesive layer, are modeled using a 3D state space finite element approach. The piezoelectric patch model is formulated taking into account the full electro-mechanical coupling and embodying the suitable boundary conditions and it is eventually expressed in terms of the interface variables, to allow a straightforward coupling with the underlying host structure, which is modeled through a 3D dual boundary element method, for accurate analysis of cracks. The technique is computationally enhanced, in terms of memory storage and solution time, using the hierarchical format in conjunction with a GMRES solver. The presented work is a step towards modeling of structural health monitoring systems.

Benedetti, I., Milazzo, A., Aliabadi, M.H. (2009). A fast BEM model for 3D elastic structures with attached piezoelectric sensors. ??????? it.cilea.surplus.oa.citation.tipologie.CitationProceedings.prensentedAt ??????? XX Congresso Nazionale AIDAA, Milano.

A fast BEM model for 3D elastic structures with attached piezoelectric sensors

BENEDETTI, Ivano;MILAZZO, Alberto;
2009-01-01

Abstract

A fast boundary element model for the analysis of three-dimensional solids with cracks and adhesively bonded piezoelectric patches, used as strain sensors, is presented. The piezoelectric sensors, as well as the adhesive layer, are modeled using a 3D state space finite element approach. The piezoelectric patch model is formulated taking into account the full electro-mechanical coupling and embodying the suitable boundary conditions and it is eventually expressed in terms of the interface variables, to allow a straightforward coupling with the underlying host structure, which is modeled through a 3D dual boundary element method, for accurate analysis of cracks. The technique is computationally enhanced, in terms of memory storage and solution time, using the hierarchical format in conjunction with a GMRES solver. The presented work is a step towards modeling of structural health monitoring systems.
2009
XX Congresso Nazionale AIDAA
Milano
29 giugno - 3 luglio
XX
2009
00
Benedetti, I., Milazzo, A., Aliabadi, M.H. (2009). A fast BEM model for 3D elastic structures with attached piezoelectric sensors. ??????? it.cilea.surplus.oa.citation.tipologie.CitationProceedings.prensentedAt ??????? XX Congresso Nazionale AIDAA, Milano.
Proceedings (atti dei congressi)
Benedetti, I; Milazzo, A; Aliabadi, MH
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/10447/42150
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