%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% W. G. Pritchard Lab Seminar: 11:15 AM - 12:15 PM, 216 McAllister Bldg **Monday November 14, 2005** Modeling fracture in materials with memory Jay R. Walton Department of Mathematics Texas A&M University Abstract: Many important naturally occurring and synthetic materials exhibit memory in their thermomechanical behavior. In such materials, thermal fluxes and mechanical stresses depend on the history of temperature and deformation gradients rather than on just their instantaneous, current values. These history effects are most easily simulated within the context of the linearized theory of viscoelasticity. This talk focusses upon mathematical and modeling issues arising in the study of fracture boundary value problems in the context of linear viscoelasticity. Both a survey of the subject's history and open problems are discussed. %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%