Direct acoustic measurement of stress and strain in soft materials

Michel Destrade (NUI Galway, Galway, Ireland)

Thursday 12th May, 2022 14:15-15:00 Maths 311B AND ZOOM


With this talk we will see that the states of stress and strain in a loaded material can be accessed directly from wave speed measurements, without having to determine, or even know, its material properties beyond its mass density and geometry. These techniques presented are expected to have important applications in the health monitoring of loaded structures. Examples include stressed rail steel, the human skin in situ, and thin membranes such as a stretched rubber sheet, a piece of cling film (~10 μm thick) and the animal skin of a bodhrán, a traditional Irish drum.

Full workshop programme and ZOOM details below:

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