This position is part of the research project VANGOGH (Unravelling and predicting degradation of canvas paintings: a multiscale and multiphysics framework), which is funded by the European Research Council (ERC Starting Grant). We are building a team of talented and enthusiastic researchers to work on this exciting multidisciplinary research program. Traditional canvas paintings represent an inestimable cultural legacy. At the same time, however, from an engineering perspective, canvas paintings are heterogeneous, multiscale systems subjected to complex loading conditions triggered by the interaction between multiple physical fields. This complicated scenario may result in different degradation mechanisms, including wrinkling of the painting surface, cracking, delamination, and paint flaking, which crucially affect the appearance, integrity, and longevity of the artwork. The main objectives of the project are as follows: The development of a multiscale hygro-thermo-mechanical constitutive model of paint and canvas materials based on the effective response of three-dimensional representative volume elements of the heterogeneous paint and canvas systems; The analysis of local, microstructural instability mechanisms in the canvas material; The development of a multiscale framework for multiphysics instability of the canvas and cracking and delamination in the paint, focused on understanding the mutual interaction between the phenomena.
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