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題名 | 不對稱楔形體之水面衝擊=Water Entry of Nonsymmetrical Wedge |
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作者 | 蔡禮滔; | 書刊名 | 復興學報 |
卷期 | 1998.12[民87.12] |
頁次 | 頁53-57 |
分類號 | 444 |
關鍵詞 | 不對稱楔形體; 邊界元素法; 相似解法; Nonsymmetrical wedge; Boundary element method; Similarity method; |
語文 | 中文(Chinese) |
中文摘要 | 利用MEL邊界元素法計算不對稱楔形體衝擊水面後之水面波形變化及楔形體楔面所 承受之壓力分佈。首先計算對稱楔形體之結果與相似解法之結果比較相符以驗證本數值模擬 之正確,再計算不對稱楔形體衝擊水面之結果,得知楔形體所承受之最大壓力不僅增加,其 發生位置亦有偏移之現象。 |
英文摘要 | A numerical method for studying water entry of nonsymmetrical wedge is presented, It is a MEL(mixed-Eulerian-Lagrangian) boundary element method to compute free surface elevation and pressure distribution during water entry of nonsymmetrical wedge. The method had been verified by comparisons with similarity solution results for symmetrical wedge. We find the value of the maximum pressure of nonsymmetrical wedge is larger than that of symmetrical wedge. The position of the maximum pressure is also shift from the apwx of the wedge. |
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