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In this contribution the Dirlik’s approach is enriched and extended by means of experiment-based full-field receptances. Starting from the optical full-field measurements, the receptances are put in evidence inside the modelling of the von Mises equivalent stresses for their ability to keep the structural dynamics of the test realisation. Details, examples and suggestions were given with coloured noise excitations and airborne induced forces, with attention on where the fatigue crack should start, over the whole sensed surface, according to the Dirlik’s approach.

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Hybrid Full-Field Receptances-Based Extension of Dirlik’s Approach to Map the Crack Initialisation

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  • 发表日期：

    2026年

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  • Alessandro Zanarini

摘要

In this contribution the Dirlik’s approach is enriched and extended by means of experiment-based full-field receptances. Starting from the optical full-field measurements, the receptances are put in evidence inside the modelling of the von Mises equivalent stresses for their ability to keep the structural dynamics of the test realisation. Details, examples and suggestions were given with coloured noise excitations and airborne induced forces, with attention on where the fatigue crack should start, over the whole sensed surface, according to the Dirlik’s approach.