Within the scope of the research project, a methodology for a model-based Life Cycle Engineering (LCE) of structural parts and components of future vehicle generations is to be developed and implemented in a software functional model. Existing approaches in lifecycle-oriented development of automotive components severely limit the variability of the background system and the results generated with it represent only one possible lifecycle scenario. Model-based LCE solves this problem by integrating different subsystems, i.e. different technical processes in the life cycle, and quantifying the energy and material flows accordingly. Additionally, there are models for different product descriptions as well as for different background systems, e.g. energy demand and consumption. This comprehensive software functional model is intended to support engineering processes, especially in concept development, and to provide information about the advantages and disadvantages of different design and manufacturing options under variable boundary conditions.
The project MBLCE aimed to answer a variety of research questions that were central to the life cycle assessment of automotive parts. It enabled participants/users to carry out life cycle assessments for individual parts, determine the break-even point for alternative materials, and assess the impact of material and process efficiency in the various production processes on life cycle emissions. Additionally, the tool (web application) developed as part of the project facilitated scenario analyses by enabling users to change the electricity mix in the production and use phase and thus understand the emissions from raw material extraction to the recycling of a component. It also provided a comparative analysis of life cycle emissions based on the geographical location of the production and utilisation phase. For decision-making purposes, the tool could assist in selecting the most suitable material or an alternative component design from the same material. It took into account a standard production process and the use phase in a specific country to ensure that users/stakeholders could optimise both environmental impact and process efficiency.
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