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Volume 36 Issue 5
Oct 2022
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Chinese Journal of High Pressure Physics  > 2022  >  36(5): 054202.
WU Di, MI Guo, GUO Xianghua, ZHANG Qingming. Dynamic Model of Clamped Elastoplastic Circular Plate under Air Blast Loading[J]. Chinese Journal of High Pressure Physics, 2022, 36(5): 054202. doi: 10.11858/gywlxb.20220525
Citation: WU Di, MI Guo, GUO Xianghua, ZHANG Qingming. Dynamic Model of Clamped Elastoplastic Circular Plate under Air Blast Loading[J]. Chinese Journal of High Pressure Physics, 2022, 36(5): 054202. doi: 10.11858/gywlxb.20220525
shu

Dynamic Model of Clamped Elastoplastic Circular Plate under Air Blast Loading

doi: 10.11858/gywlxb.20220525

  • School of Mechatronical Engineering, Beijing Institute of Technology, Beijing 100081, China

  • Received Date: 07 Mar 2022
  • Rev Recd Date: 21 Mar 2022
  • Issue Publish Date: 11 Oct 2022
    Abstract
  • Based on equivalent single degree-of-freedom (SDOF) theory, a dynamic model of clamped elastoplastic circular plate under near air blast loading is established by considering the bending moment and the membrane force during the deformation process, and the whole process containing loading and unloading for circular plate is described. The finite element model is established using test parameters in the literature, and the dynamic response of clamped circular plate under air blast loading is analyzed by finite element simulation. After comparing the calculation results of the dynamic model and the finite element simulation results, the accuracy of the calculation results of the dynamic model is verified. The results show that the theoretical calculation results are in good agreement with the test results and the finite element simulation results. The proposed dynamic model can be applied to predict the large deformation of clamped circular plate under near air blast loading, and provides technical support for blast resistant structure.

     

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