Szukana fraza: [Opis = "The purpose of this paper is to investigate the effect of temperature change on the Lamb wave\-based SHM method. This study evaluates the Lamb wave method’s ability to detect damage to an AL2024\-T3 sheet, assessed by a near\-surface hole. Lamb waves are created via numerical simulation with the commercial Finite Element \(FE\) package ABAQUS. In this study, the Lamb wave\-based SHM method using displacement responses is used. The results indicate that this method is able to detect a near\-surface hole in the AL2024\-T3 sheet as well as its location, with close approximation. Subsequently, the AL1100 sheet was investigated for changes in temperature from this method, which was evaluated over a temperature range of –200\(°C\) to 204\(°C\). The results show that temperature change in the range of –200\(°C\) to 93\(°C\) has no effect on the displacement responses. However, the graphs related to temperature change of more than 149\(°C\) do not overlap with the reference temperature. Hence, it has been concluded that Lamb waves can be used as an SHM method in the temperature range of –200\(°C\) to 93 \(°C\) without having to worry about the effects of temperature change on the results."]

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