Instructor
Name LANGTHJEM, Mikael Andersen

Ph.D. (Technical University of Denmark),
Dr.Eng. (University of Osaka Prefecture)
Associate Professor
Affiliation Department of Mechanical Systems Engeneering, Faculty of Engineering, Yamagata University
Specialization Acoustics and Vibrations, Flow-Induced Sound, Dynamic Stability
Class Outline The five lectures are all related to the mechanics of waves. They deal with some mechanical problems particularly relevant to Japan. These problems have emerged because of Japans special geographic features: A densely populated country of islands, situated right in the Pacific Ring of Fire.
Message to Students Any of the five lectures starts with a description of the general background of the subject. This is followed by more technical analyses of particular issues. The lectures do however not make use of advanced mathematics and can be followed by first-year engineering students. Although it is stated that the lectures deal with "problems particularly relevant to Japan", they are of general significance, and hopefully useful for anyone interested in mechanics and mathematical models.
Theme 1.Earthquakes, tsunamis, and wave mechanics, lectureI
2.Earthquakes, tsunamis, and wave mechanics, lectureII
3.A problem from shipbuilding: Mechanics of the bulbous bow
4.Noise problems related to high-speed trains (Shinkansen)
5.Noise problems in machinery and self-sustained flow oscillations
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