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Volume 30 Issue 2
Jun 2016
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Chinese Journal of High Pressure Physics  > 2016  >  30(2): 142-148.
LI Xin-Tao, LONG Lian-Chun. Buckling Analysis of Thin-Walled Structures under Local Laser Irradiation[J]. Chinese Journal of High Pressure Physics, 2016, 30(2): 142-148. doi: 10.11858/gywlxb.2016.02.009
Citation: LI Xin-Tao, LONG Lian-Chun. Buckling Analysis of Thin-Walled Structures under Local Laser Irradiation[J]. Chinese Journal of High Pressure Physics, 2016, 30(2): 142-148. doi: 10.11858/gywlxb.2016.02.009
shu

Buckling Analysis of Thin-Walled Structures under Local Laser Irradiation

doi: 10.11858/gywlxb.2016.02.009

  • College of Mechanical Engineering and Applied Electronics Technology, Beijing University of Technology, Beijing 100124, China

  • Received Date: 24 Dec 2014
  • Rev Recd Date: 09 Mar 2015
    Abstract
  • Thin-walled structures have been widely used in engineering practice, and great attention has been paid to the study of local changes that occur in their material properties and thermal stress as they have a great influence on the structures' bearing capacity.In our study, the laser power density, irradiation spot radius and thickness of the sheet were first taken into consideration in the analysis of the thermal nonlinear buckling behavior of the thin-walled structures under local irradiation.Then, the arc-length method was applied in the investigation of the stability of the thin-walled structures under combined external loads of axial compression and laser irradiation.Our numerical results indicated that the buckling capability of the thin-walled structures decreases almost linearly with the increase of irradiation time and irradiation spot radius, but increases exponentially along with the increase of sheet thickness.

     

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