Premium
Predicting laser‐induced cavitation near a solid substrate
Author(s) -
Denner Fabian,
Evrard Fabien,
Reuter Fabian,
Gonzalez-Avila Silvestre Roberto,
van Wachem Berend,
Ohl Claus-Dieter
Publication year - 2021
Publication title -
pamm
Language(s) - English
Resource type - Journals
ISSN - 1617-7061
DOI - 10.1002/pamm.202000007
Subject(s) - cavitation , bubble , mechanics , materials science , radius , shear stress , laser , substrate (aquarium) , shear (geology) , optics , composite material , physics , geology , computer science , computer security , oceanography
The asymmetric collapse of cavitation bubbles near a solid substrate generates large wall shear stresses, the precise magnitude of which is still not known with certainty. By comparing numerical simulations and experiments of a laser‐induced cavitation bubble near a solid substrate, we demonstrate that an accurate measurement of the pressure pulse emitted during bubble inception and of the maximum bubble radius allow a unique initialisation of the simulation. This allows an accurate reproduction of the asymmetric collapse, with reliable predictions of the shear stress and pressure generated at the substrate.