Andreas Hazir is investigating the door seal contribution to the
interior noise level of production vehicles. These investigations
contain experimental contribution analyses of real production
vehicles and of academic test cases as well as the development of a
simulation methodology for noise transmission through sealing
systems and side windows. The simulations are realized by coupling
transient computational aeroacoustics of the exterior flow to
nonlinear finite element simulations of the structural
transmission. By introducing a linear transmission model, the setup
and computational costs of the seal noise transmission are
significantly reduced, resulting in the feasibility of numerical
contribution analyses of real production vehicles.
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