We describe computational modeling of flaring horns and piecewise conical bores using “Truncated Infinite Impulse Response” (TIIR) digital filtering techniques. The approach yields highly efficient and accurate computational models and is therefore appropriate for real-time simulations of woodwind and brass musical instruments.

Controlling the wettability using microstructures has been studied because of many applications. In particular, bio-mimetic modeled after self-cleaning properties lotus leaf have extensively studied. Despite studies successfully achieving fabrication superhydrophobic to superhydrophilic surfaces through manipulation microstructures, effect rough on contact angle remains an area inquiry. this st...

One cannot assume that resemblances between the mechanical devices of human technology and those produced by the evolutionary process reflect either specific copying of nature by people or some particular point of functional superiority. A third alternative is that the two mechanical contexts derive quite different advantages from a given arrangement. While this latter might appear unlikely, on...