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Similitude study for a laminated cylindrical tube under tension, torsion, bending, internal and external pressure Part II: scale models

机译:拉伸,扭转,弯曲,内部和外部压力下的层压圆柱管的相似性研究第二部分:比例模型

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摘要

The aim of this study is to demonstrate the validity of scale mode development testing and predict the laminated cylindrical tube behavior under tensile, torsion, bending, internal and external pressure load. Similitude theory is used to develop the necessary similarity conditions. In the amplitude approach, the coefficients of the governing differential equation for the prototype and the model of the prototype are compared to develop scaling laws. For composites, these scaling laws depend not just on geometry, but also on constituent properties and the laminate stacking sequences. The model tubes were ordered under scaled test conditions until catastropich failure. Data acquired included load, strain measurements and non destructive evaluation of damage mechanisms.
机译:这项研究的目的是证明比例模式开发测试的有效性,并预测层压圆柱管在拉伸,扭转,弯曲,内部和外部压力载荷下的行为。相似理论被用来发展必要的相似性条件。在幅度方法中,将原型的控制微分方程的系数与原型的模型进行比较,以制定缩放定律。对于复合材料,这些缩放定律不仅取决于几何形状,而且还取决于组成属性和层压板的堆叠顺序。在成比例的测试条件下订购模型管,直到催化失效。获得的数据包括载荷,应变测量和损伤机理的非破坏性评估。

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