The main objective of this report is to describe the progresses in the WP4 achived at the mid term of the IDEAL project. The main objective of work package 4 is threefold: Firstly, obtaining a reliable forecast of the residual stresses and strains directly from the casting simulation. For this purpose the process simulation must include a thorough thermomechanical analysis itself. This is already possible in the FV-based process optimisation tool MAGMAsoft, although it is further being developed in the work package with respect to the constitutive description of the aluminium parts at high temperatures. Secondly, establishing a reliable model for the thermomechanical conditions during the subsequent heat treatment of the cast aluminium parts. In this process, several approaches involving both simple visco-plastic models as well as more complex unified models are taken. Thirdly, coupling of the casting simulation, the heat treatment simulation as well as a possible subsequent load analysis together and thereby addressing the entire CAE-chain.