On May 27, 2019, Prof. Weikang Jiang invited Prof. Steffen Marburg from Technical University of Munich to visit ISVN and make a report. The topic of the report was " From Axioms of Continuum Mechanics to Quiet Structures: A Brief Survey of Vibroacoustic Modelling and Optimization". After the meeting, Prof. Weikang Jiang invited Prof. Steffen Marburg to visit our lab.