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Economic assessment of virtual validation processes in the automotive development — An analytical approach

In the automotive development process virtual methods contribute significantly to the reduction of development costs and time. To further increase the use of simulation methods and support the management of the virtual validation process it is important to perform an economic assessment. The economic assessment is a complex task, as the virtual validation process is a highly decentralized process with a large number of boundary conditions influencing the simulation activities and therefore the process costs. In this paper we present a generic methodology consisting of a framework for the scenario-based economic evaluation of the virtual validation process. The main step of this analytical approach consists of matrix-based methods to model the complex virtual validation process and the dynamics of the boundary conditions. The integration of a process cost calculation and scenario selection in the matrix framework is presented and the benefit assessment is shown generically. The application of the approach is then shown in a case study with the discussion of the results. The presented methodology therefore significantly supports the decision-making process about the use of virtual validation methods during the development process of an automotive project.