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首页> 外文期刊>Mechanics Based Design of Structures and Machines >Analysis of Bending Deformation in Triangle Heating of Steel Plates with Induction Heating Process Using Laminated Plate Theory
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Analysis of Bending Deformation in Triangle Heating of Steel Plates with Induction Heating Process Using Laminated Plate Theory

机译：层板理论分析感应加热钢板三角加热中的弯曲变形。

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摘要

The steel-forming process in shipyards is considered an important stage with respect to productivity and precision of curved plates. The induction heating process has been of interest to steel formation because the power and its distribution are easier to control and reproduce. Besides, induction heating equipment can be easily integrated with a robotic system for automation. The heating process usually utilizes line heating or triangle heating methods to form hull plates. Even though a number of studies on the line heating method have been performed, there have been few studies on the triangle heating method. In this study, using a simplified elasto-plastic model and laminated plate theory, an analytic means of predicting the bending deformation in triangle heating of steel plates is derived. For the purpose of this, the induction heating process is modeled in advance, with numerical heat flux and heat flow analyses to determine the plastic region. The plastic region is considered as an inclusion that has eigenstrains in the laminated plate. The analytic solution is applied to predict deformations to verify its exactness. The results of the analytic solution are quite good compared with those of the triangle heating experiment, revealing the effectiveness of the analytic solution.
机译：就弯曲板的生产率和精度而言，船厂的钢成型工艺被认为是重要的阶段。感应加热过程已引起钢结构的兴趣，因为功率及其分布更易于控制和复制。此外，感应加热设备可以轻松地与机器人系统集成以实现自动化。加热过程通常利用线加热或三角形加热方法来形成船体板。即使已经进行了许多关于线加热方法的研究，但是关于三角加热方法的研究却很少。在这项研究中，使用简化的弹塑性模型和层压板理论，得出了一种预测钢板三角加热中弯曲变形的解析方法。为此，事先对感应加热过程进行建模，并通过数值热通量和热流分析来确定塑性区域。塑料区域被认为是在层压板上具有本征应变的夹杂物。该解析解可用于预测变形以验证其准确性。与三角形加热实验相比，该分析解决方案的结果相当不错，表明了该解决方案的有效性。

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