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Sound, Noise, and Vibration Control:
The first problem involves assembling the structure in such a way that energy transfer through connections is inefficient. The term often used to describe this process is "impedance mismatch." Unfortunately, "impedance" seems to convey little information to many engineers. Perhaps an examination of this term will clarify the matter and help to explain how this concept can be used in design.
This guy is constantly dissing engineers and their dumbness.