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提出了一种新的基于图像灰度梯度迭代的数字散斑相关方法(DSCM,digital speckle correlation method)。通过使用DSCM测量碳纤维复合材料压力容器在水压下的局部区域的位移场和应变场,分析了复合材料压力容器的轴向和环向的变形特征,为碳纤维复合材料压力容器的优化设计提供了理论和实验依据。
A new digital speckle correlation method (DSCM) based on image gray gradient iteration is proposed. By using DSCM to measure the displacement and strain fields of carbon fiber composite pressure vessel in the local area under water pressure, the axial and circumferential deformation characteristics of the composite pressure vessel were analyzed, which provided the optimal design for the carbon fiber composite pressure vessel Theoretical and experimental basis.