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- W2016514997 abstract "A method has been devised for designing baffled beams that radiate sound inefficiently. The problem has been broken into two steps. First, given the overall length of the beam, a velocity distribution is found that would result in a beam that radiates sound least efficiently. This particular velocity distribution is referred to as the “weak radiator” mode shape. Second, given a choice of material properties, the structural configuration of a beam is found that exhibits the weak radiator mode shape. In the first step, a finite element adaptation of the Rayleigh integral has been employed in conjunction with the Lagrange multiplier theorem to obtain a beam velocity distribution that minimizes the radiated sound power. In the second step, extensive use of finite element modeling, as well as linear programming techniques, has been made. The result is the optimum structural configuration of a beam that exhibits a weak radiator mode shape as a natural mode shape." @default.
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- W2016514997 date "1991-04-01" @default.
- W2016514997 modified "2023-10-17" @default.
- W2016514997 title "Optimum structural configuration of a baffled beam for a minimum radiation condition" @default.
- W2016514997 doi "https://doi.org/10.1121/1.2029720" @default.
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