流体の流れがあるときの障壁による音響回折

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概要

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• Acoustic diffraction from a line source by a semi-infinite plane in the presence of a moving fluid is studied. A finite region in the vicinity of the edge has a soft (pressure release) boundary condition; the remaining part of the semi-infinite plane is rigid. The effects of convection ard included at low Mach numbers. The problem which is solved is a mathematical model for a rigid barrier with a soft edge. The far field is calculated using integral transforms, the Wiener-Hopf technique and asymptotic approximations. The physical interpretation of the result is then discussed.

• 社団法人日本音響学会の論文

著者

• Hayat Tasawar

  Mathematics Department Quaid-i-azam University

• Asghar S.

  Mathematics Department Quaid-i-azam University

関連論文

• 透過性能を有する帯状障壁近傍での音響回折
• 流体の流れがあるときの障壁による音響回折
• Acoustic Diffraction from a Slit in an Absorbing Sheet

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