由於高分子材料的應用越來越廣，與黏彈性力學相關的問題也隨之浮現。光彈法雖已廣泛應用於求解工程構件受載荷時的內部應力，但若材料性質牽扯到時間與溫度的效應，光彈法則無法完全適用。本研究以數位光彈法，對自製之環氧樹脂試片在8個溫度點進行等應變率拉伸試驗，並使用時間-溫度重疊原理求得長時間範圍的光學主曲線，接著以波茲曼函數擬合實驗曲線而得其方程式，再代入光黏彈法理論，進而分析自製環氧樹脂構件在高頻諧和力負載下，隨時間變動的應力場。
本研究使用數位光彈法及有限單元法軟體ANSYS探討不同形狀的構件，在不同頻率與不同振幅大小的高頻諧和力下所造成的應力場改變，構件內隨時間變化的溫度場也經由紅外線熱影像儀取得，最後將數值與實驗兩種結果相互驗證。

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