The inspection of composite structures by thermal non-destructive evaluation (TNDE) techniques based on Infrared Thermography is relatively common in the aerospace industry. However, state-of-the-art is far to be reached and there is still place for substantial improvement, in terms of development of the inspection procedures, optimization of the experimental set-up and assessment of the inversion algorithms. This requires the availability of large amounts of reference data, which can be provided in a cost-effective way by mathematically modeling the thermal behavior of the inspected structures.The numerical simulation of procedures for thermographic inspection is investigated in this work. The analysis is focused on the strategies that can be implemented to model the heat conduction processes in composite structures typical of TNDE procedures by means of commercial software packages for coupled mechanical-thermal analyses. The results of a pilot application of a commercial software packages to a real case are finally presented.

Modeling of thermal non-destructive evaluation techniques for composite materials / S., Marinetti; Muscio, Alberto; P. G., Bison; E., Grinzato. - STAMPA. - SPIE vol. 4020:(2000), pp. 164-173. ((Intervento presentato al convegno Thermosense XXII tenutosi a Orlando (Florida), U.S.A. nel 25-27 Aprile 2000.

Modeling of thermal non-destructive evaluation techniques for composite materials

MUSCIO, Alberto;
2000

Abstract

The inspection of composite structures by thermal non-destructive evaluation (TNDE) techniques based on Infrared Thermography is relatively common in the aerospace industry. However, state-of-the-art is far to be reached and there is still place for substantial improvement, in terms of development of the inspection procedures, optimization of the experimental set-up and assessment of the inversion algorithms. This requires the availability of large amounts of reference data, which can be provided in a cost-effective way by mathematically modeling the thermal behavior of the inspected structures.The numerical simulation of procedures for thermographic inspection is investigated in this work. The analysis is focused on the strategies that can be implemented to model the heat conduction processes in composite structures typical of TNDE procedures by means of commercial software packages for coupled mechanical-thermal analyses. The results of a pilot application of a commercial software packages to a real case are finally presented.
Thermosense XXII
Orlando (Florida), U.S.A.
25-27 Aprile 2000
SPIE vol. 4020
164
173
S., Marinetti; Muscio, Alberto; P. G., Bison; E., Grinzato
Modeling of thermal non-destructive evaluation techniques for composite materials / S., Marinetti; Muscio, Alberto; P. G., Bison; E., Grinzato. - STAMPA. - SPIE vol. 4020:(2000), pp. 164-173. ((Intervento presentato al convegno Thermosense XXII tenutosi a Orlando (Florida), U.S.A. nel 25-27 Aprile 2000.
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11380/465945
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