Mechanical study of a support system for cupping control of panel paintings combining crossbars and springs

To design a spring-controlled support system for conservation of panel paintings, a numerical model is useful to predict the behaviour of both the board and the support in response to variations of environmental conditions. This article presents a practical model, as simplified as possible but sufficient to take into account the main phenomena and to allow the choice of the design parameters to obtain a given control of the mechanical behaviour of the wooden support.