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The pre-test analysis for overpressurization containment vessel using endochronic model

机译:使用内时模型对超压安全壳进行预测试分析

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This paper initially gives general steps of flow-cum-crack analysis using three-dimensional 32 nodded isoparametric elements together with line and bond-linkage elements. An endochronic model is used in which a provision is made for the increment of inelastic dialatancy variable, shear and bulk moduli. A set of material parameters obtained by fitting numerous test-data is used for the non-linear analysis of the Oldburg containment vessel. The endochronic model is then extended and is linked to a cracking analysis within the computer program OBAID. Certain analytical results such as displacements for low and high pressure-over pressurization are obtained. The results show agreement in certain areas with those obtained by other methods, and some disagreement at other areas of the solution domain.
机译:本文首先给出了使用三维32点头等参元素以及线和键链接元进行流-裂缝分析的一般步骤。使用了一个内部模型,其中规定了非弹性辩证变量,剪切模量和体积模量的增加。通过拟合大量测试数据获得的一组材料参数用于Oldburg安全壳的非线性分析。然后,将内时模型扩展并链接到计算机程序OBAID内的裂纹分析。获得了某些分析结果,例如低压和高压过压的位移。结果表明,在某些方面与通过其他方法获得的结果一致,在解决方案领域的其他领域也存在某些分歧。

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