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Taking of Discrete Ribs Placing on Propagating of Waves Along the Thin Plates

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Zarutsky V. , Prokopenko N.

Zeszyty Naukowe Politechniki Rzeszowskiej. Mechanika

2002

tom z. 60 [197]

605-612

Equations of motion have been deduced for a plate strengthened with an orthogonal framework of ribs, taking into account the discrete placing of the ribs. An accurate solution of these equations has been obtained for the case when the plate reinforced with the ribs placed along one of the co-ordinate directions. For the plate strengthened with one longitudinal rib the influence of discrete placing of this rib and its rigidity on the magnitudes of the wave parameters of the harmonic waves propagating along the plate was studied by the numerical example.