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題 名 | Random Vibration of Multi-Span Mindlin Plate due to Moving Load=多跨距Mindlin板結構承受移動負載之隨機振動分析 |
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作 者 | 王榮泰; 林長源; | 書刊名 | 中國工程學刊 |
卷 期 | 21:3 1998.05[民87.05] |
頁 次 | 頁347-356 |
分類號 | 441.8172 |
關鍵詞 | 多跨距; Mindlin板; 移動負載; 平均值; 變異數; Multi-span; Mindlin plate; Moving load; Mean value; Variance; |
語 文 | 英文(English) |
中文摘要 | 本文主要是以模態法分析多跨距Mindlin板結構承受等速移動負載之隨機 動態響應。考慮負載為靜定隨機過程,並以四種變異相關函數:白色干擾、指 數遞減、指數遞減之餘弦與餘弦等,進行研究。探討負載之速度和隨機變異函 數與板之跨距數對於結構內位移與彎矩響應之最大平均值與最大變異數之影 響,並和古典板之結果作比較。 |
英文摘要 | In this paper, the method of modal analysis is presented to study the random vibration of multi-span Mindlin plates due to a load moving at a constant velocity. The moving load is considered to be a stationary process with a constant mean value and a variance. Foru types of variances are considered in this study: white noise, exponential, exponential cosine, and cosine. The effect of both velocity and statistical characteristics of the load, and the effect of the span number of the multi-span plate on the mean value, variance of deflection and moment of the structure are investigated. The results of the multi-span Mindlin plate are compared with those of a multi-span classical plate. |
本系統中英文摘要資訊取自各篇刊載內容。