Framework of computational approach based on inherent deformation for welding buckling investigation during fabrication of lightweight ship panel
Framework of computational approach based on inherent deformation for welding buckling investigation during fabrication of lightweight ship panel
复制标题
基于固有变形的轻质船板制造过程中焊接屈曲研究的计算方法框架
DOI：
10.1016/j.oceaneng.2018.03.057
复制
发表时间：
2018-06
影响因子：
5
通讯作者：
Hong Zhou
中科院分区：
文献类型：
--
作者：
Jiangchao Wang;Bin Yi;Hong Zhou
在轻质船体壁板的制造过程中，通常采用薄板，会产生焊接屈曲，这将对制造的完整性和性能产生很大影响。提出了一种基于固有变形的计算方法，并介绍了该方法的框架和应用。具体地，对典型的角焊接头进行了试验，并对其实体单元有限元模型进行了数值检验和试验验证。然后根据计算结果对焊接固有变形进行评估；以焊接固有变形为输入参数进行弹性有限元分析，预测离面焊接变形和临界焊接屈曲条件。作为一项实用技术，采用了间歇焊接工艺，以减小焊接固有变形的大小，从而避免焊接屈曲的发生。在此基础上，对薄板装配过程中的焊接屈曲进行了描述，并论证了焊接屈曲的临界条件和消除技术。
During the fabrication of lightweight ship panel, thin plates are usually employed and welding induced buckling may be generated, which will significantly influence the manufacturing integrity and performance. Computational approach based on inherent deformation was proposed, and its framework and application were introduced in this study. In detail, typical fillet welded joint was experimentally conducted and its solid elements FE model was numerically examined with experimental validation. Then, welding inherent deformation was evaluated based on computational results; elastic FE analysis with welding inherent deformations as input parameters was implemented to predict out-of-plane welding distortion and critical welding buckling condition. As the practical technique, intermittent welding procedure was employed to decrease the magnitude of welding inherent deformation, and sequentially avoid the occurrence of welding induced buckling. With this holistic investigation, welding induced buckling during thin plate section assembly was represented; critical welding buckling condition and mitigation technique were also demonstrated.
登录
查看更多内容
影响因子：
6.3
作者：
Jiangchao Wang;Xianqing Yin;H. Murakawa
通讯作者：
Jiangchao Wang;Xianqing Yin;H. Murakawa
DOI：
--
发表时间：
1996-11
期刊：
Journal of ship production
影响因子：
--
作者：
P. Michaleris;A. Debiccari
通讯作者：
P. Michaleris;A. Debiccari
DOI：
--
发表时间：
2007-07
期刊：
Transactions of JWRI
影响因子：
--
作者：
Y. Tajima;S. Rashed;Y. Okumoto;Y. Katayama;H. Murakawa
通讯作者：
Y. Tajima;S. Rashed;Y. Okumoto;Y. Katayama;H. Murakawa
DOI：
--
发表时间：
2009-12
期刊：
Transactions of JWRI
影响因子：
--
作者：
H. Murakawa;D. Deng;S. Rashed;Shinji Sato
通讯作者：
H. Murakawa;D. Deng;S. Rashed;Shinji Sato
DOI：
10.1007/s00170-015-7810-y
发表时间：
2015-09
期刊：
The International Journal of Advanced Manufacturing Technology
影响因子：
--
作者：
N. Ma;Jiangchao Wang;Y. Okumoto
通讯作者：
N. Ma;Jiangchao Wang;Y. Okumoto