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Thermoviscoelastic dynamic response for a rectangular steel plate under laser processing

机译：矩形钢板在激光加工下的热粘弹性动态响应

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摘要

The thermoviscoelastic dynamic response of a simply supported rectangular steel plate under laser processing is studied in this paper. Three-dimensional transient temperature field of the laser processing thermoviscoelastic rectangular steel plate is solved by the method of separation of variables. Meanwhile, based on von Karman nonlinear strain-displacement relationships and classical thin plate theory, a list of nonlinear dynamic equilibrium equations for a rectangular thermoviscoelastic steel plate are deduced. Then the entire problem is solved by utilizing the Newmark method and the iterative method. Finally, numerical results show that laser moving speed, laser power density and thickness-to-length ratio have a great influence on the thermoviscoelastic response of the rectangular DP980 steel plate.
机译：本文研究了简单支撑矩形钢板在激光作用下的热粘弹性动力响应。通过变量分离的方法求解了激光加工热粘弹性矩形钢板的三维瞬态温度场。同时，基于von Karman非线性应变-位移关系和经典薄板理论，推导了矩形热粘弹性钢板的非线性动力平衡方程。然后，利用Newmark方法和迭代方法解决了整个问题。最后，数值结果表明，激光移动速度，激光功率密度和厚度/长度比对矩形DP980钢板的热粘弹性响应有很大影响。

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  • 作者

    Hong-Liang Dai; Zhen-Qiu Zheng; Wei-Li Xu; Hai-Bo Liu; Ai-Hui Luo;

  • 作者单位

    State Key Laboratory of Advanced Design and Manufacturing for Vehicle Body, Hunan University, Changsha 410082, China,State Key Laboratory of Development and Application Technology of Automotive Steels (Baosteel Group), Shanghai Baoshan 201900, China,Key Laboratory of Advanced Design and Simulation Technology for Special Equipments Ministry of Education, Hunan University, Changsha 410082, China;

    State Key Laboratory of Advanced Design and Manufacturing for Vehicle Body, Hunan University, Changsha 410082, China,State Key Laboratory of Development and Application Technology of Automotive Steels (Baosteel Group), Shanghai Baoshan 201900, China,Key Laboratory of Advanced Design and Simulation Technology for Special Equipments Ministry of Education, Hunan University, Changsha 410082, China;

    State Key Laboratory of Development and Application Technology of Automotive Steels (Baosteel Group), Shanghai Baoshan 201900, China;

    State Key Laboratory of Advanced Design and Manufacturing for Vehicle Body, Hunan University, Changsha 410082, China,Key Laboratory of Advanced Design and Simulation Technology for Special Equipments Ministry of Education, Hunan University, Changsha 410082, China;

    State Key Laboratory of Development and Application Technology of Automotive Steels (Baosteel Group), Shanghai Baoshan 201900, China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    DP980 steel plate; Laser processing; Thermoviscoelastic; Dynamic response;

    机译：DP980钢板激光加工;热粘弹性;动态反应;

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