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来自维基百科,自由的百科全书
剪應變(shear strain)[1]是材料力學中的名詞,定義為一微小材料元素承受剪應力時所產生的角變形量。因此是一個无量纲(dimensionless)的物理量。公式記為
其中 是剪應變, 是材料元素的高度, 是承受剪應力的變形量。
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