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Doubly Infinite Elastic Plate
Numerical Calculations and lUjcussion of Results 35
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acoustic medium added mass addition theorem Aitn amplitude approximately associated with propeller Bessel functions boundary conditions coordinate system cross product cylinder radius cylindrical bar cylindrical coordinate system Decibels double Fourier transform doublets due to incident due to radiated due to scattered elastic boundary equation evaluated FLAT PLATE force exerted given by Eq incident wave infinite plate ks)ds m-blade m=o o mechanism of sound method of saddle number of blades number of propeller obtained operating propeller parameter potential functions pressure component pressure signals due propeller action propeller blades propeller loading propeller thrust propeller torque radiating mechanisms reduced frequency saddle point method scattered and radiated scattered wave potential scattering mechanism sound pressures sound transmission space function stationary phase t-integration Thrust and Torque TIP CLEARANCE RATIO total force transform plane triple integral Velocity Potentials Associated VERSUS TIP CLEARANCE vibratory force wave number Young's modulus