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題 名 | 蜂巢狀核心材纖維強化複合材料三明治夾層板結構最佳化設計=Structural Optimization of the Fiber-Reinforced Composite Sandwich Plate with a Honeycombed Core |
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作 者 | 陳弘文; 孫懷谷; 劉天志; | 書刊名 | 航空太空及民航學刊. 系列B |
卷 期 | 39:2 2007.10[民96.10] |
頁 次 | 頁71-82 |
分類號 | 440.34 |
關鍵詞 | 混合式遺傳演算法; 蜂巢狀核心材; 纖維強化複合材料; 結構最佳化設計; Hybrid genetic algorithm; Fiber-reinforced composite; Honeycombed core; |
語 文 | 中文(Chinese) |
中文摘要 | 近年來,由於材料科技及製程上的進步,改變了三明治夾層結構材料的選擇及設計的概念。上下面板材料選擇纖維強化的複合材料取代傳統金屬材料,而核心層材料也大量使用蜂巢狀的結構取代實心及其他構形材料,藉以達成整體結構輕量化及增加其強勁度的設計目標。本文目的係進行蜂巢狀核心材纖維強化三明治夾層板結構的最佳化設計,考慮在承受軸向壓縮負荷下,滿足結構挫曲強度及材料失效強度的需求限制條件,以整體結構之輕量化爲設計目標,進行結構最佳化設計,並探討結構之面板厚度、面板上斜交疊層之纖維排列角度、蜂巢狀核心層厚度及其構形幾何特徵值(巢室壁厚/巢室內切圓直徑)等構形參數之最佳化設計。此外,亦評估此等設計參數對蜂巢狀核心材纖維強化三明治夾層板結構強度之影響。 |
英文摘要 | Recently, the design concepts of sandwich structures have been changed because of the improvements of materials and their manufacturing technology. Fiber-reinforced composites are adopted to make the bilateral faceplates of the sandwich structure instead of using conventional materials, while the honeycombed structures are widely used as the core layer instead of applying solid or other forms of structures. This study concerns with the optimal design of the fiber-reinforced sandwich plate with a honeycombed core with regard to the constraints of the structural buckling strength and the failure strength of the composite sandwich plate under axial compression. The objective is to determine the optimal configuration parameters of the fiber-reinforced sandwich plate with a honeycombed core. The configuration parameters include the thickness of the faceplates, the angle that the laminated fiber is arranged within the faceplate, and the geometric characteristics of the honeycombed core structure, which are including the thickness of the cell wall and the diameter of the cell. Besides, the evaluation will be done with regard to the influence of the parameter design on the fiber-reinforced composite sandwich plate with a honeycombed core. |
本系統中英文摘要資訊取自各篇刊載內容。