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高嘉爽, 杨建国, 方洪渊, 石文勇, 尚海波. 基于VRML的焊接有限元分析前处理开发[J]. 焊接学报, 2008, (4): 93-96.
引用本文: 高嘉爽, 杨建国, 方洪渊, 石文勇, 尚海波. 基于VRML的焊接有限元分析前处理开发[J]. 焊接学报, 2008, (4): 93-96.
GAO Jiashuang, YANG Jianguo, FANG Hongyuan, SHI Wenyong, SHANG Haibo. FEA preprocessing system of welding analysis based on VRML[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2008, (4): 93-96.
Citation: GAO Jiashuang, YANG Jianguo, FANG Hongyuan, SHI Wenyong, SHANG Haibo. FEA preprocessing system of welding analysis based on VRML[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2008, (4): 93-96.

基于VRML的焊接有限元分析前处理开发

FEA preprocessing system of welding analysis based on VRML

  • 摘要: 为减小焊接变形,对复杂焊接结构要进行焊接顺序优化。文中使用虚拟现实建模语言(VRML)建立焊接模型,用户通过简单操作来定义焊接顺序,利用script节点将操作过程写入有限元分析软件Marc的过程文件中,按照此焊接顺序进行有限元分析。该系统的开发将乏味、复杂的有限元前处理替换为逼真的虚拟世界操作,为更好地确定焊接顺序、了解复杂焊接结构、焊接预装配等过程提供了解决方案。结合某产品油箱焊接结构的实例,尝试与讨论了虚拟现实与有限元软件的集成,这对于培训工人上岗、焊接质量分析等方面具有现实意义。

     

    Abstract: In order to decrease welding deformation, welding sequence of complex welding structures need to be optimized.Welding model of these type structures has been developed with the virtual reality modeling language (VRML).Welding sequence was defined based on user's simple operation and written into procedure file of FEA software Marc' s preprocessing system by script node.By this method, a vivid and interactive welding environment can replace the stuffy and complex processing analysis.It not only provides good guidance to understand complex welding structure and welding preassembly, but also discusses virtual reality and FEA software integration.It also supports welding quality analysis and training welding worker.

     

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