PREISACH MODEL AND HYSTERETIC BEHAVIOR OF DUCTILE MATERIALS

This paper presents an application of the Preisach model of hysteresis to analysis of the hysteretic response of ductile materials subjected to cyclic loading or straining. The proposed method is applied to var ious material models, obtained by series or parallel connections of el astic and plastic elements. Energy dissipation and the locked-in energ y are determined for the primary loading and any subsequent unloading and reloading. Finally, the paper presents a discussion of the hardeni ng characteristics and anisotropic response.