本文研究之目的在於探討含邊緣開口之三維疊層板，在無窮遠處
承受單軸向拉伸應力時，利用有限單元分析軟體『ANSYS』探討疊層
板在開口半徑不同情況下應力集中之情形。
首先，進行修正型疊層板自由端模型以及無缺口三維疊層板之間結果
的比較，驗證三維疊層板之合理性。進而考慮含邊緣開口之三維疊層
板在彈性範圍內其應力集中現象。本文發現在堆疊形式為[0 / 90]s
的應力集中因子最大值會發生在纖維走向與施力方向夾角為 0°層的層
板處；堆疊形式為[45/-45]s的應力集中因子最大值則發生在兩疊層
之間。

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