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In the future, computer-based development tools will lead to a significant reduction in the duration of the development period for both powertrains and vehicles as well as ensure a dramatic increase in product quality. Today, CAE tools support the development process beginning with concept design and ending in series production. This paper presents today's state-of-the-art CAE capabilities in the simulation of the dynamic and acoustic behavior of Powertrain components. The paper focuses on the interaction of the excitation mechanisms and noise transmission. Modern CAE tools allow the analysis, assessment and target-oriented acoustic optimization of the powertrains and powertrain components.