The high frequency response of a concentrated mass on a plate.

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  • 板に取付けられた集中質量の高次振動応答
  • イタ ニ トリツケラレタ シュウチュウ シツリョウ ノ コウジ シンドウ オウ

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Abstract

The high frequency response of a concentrated mass on a plate under a point random force has been discussed. The approximate expression for the local response of the concentrated mass has been derived using component modal analysis and asymptotic modal analysis (AMA). It is shown that the response of the concentrated mass depends on the ratio of the plate mass per (squared) wavelength to the value of the concentrated mass. The approximate expression becomes more accurate as the number of plate modes of interest increases.

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