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Publications
Zong, S., Wang, Z.L., Liu, K., Lu, Y., Wang, G. and Chen, B.Q. (2025), Dynamic mechanical properties of hull plate-frame structures under impact load, Innovations in the Analysis and Design of Marine Structures, Garbatov, Y. & Guedes Soares C. (Eds.), Taylor & Francis, London, UK, 331-338.
To investigate the dynamic mechanical properties of ship hull plate frame structures under drop hammer impact, experimental studies were conducted on two plate frame structures with different beam spacings under various impact velocities. The results indicate a relationship between primary beam spacing and structural performance, with smaller beam spacing contributing to enhanced stiffness and reduced deformation. Furthermore, static and dynamic tensile tests at different strain rates were carried out to simulate the impact tests accurately, and the Cowper-Symonds model parameters were fitted using the experimental data. Based on the above, a systematic analysis and discussion were conducted on the effects of truss spacing and width on the reinforced plates’ dynamic response, and optimal range for the ratio of truss spacing to truss width was proposed. A mesh size sensitivity analysis was performed for ship hull plate frame collision simulations. The research findings reference ship hull structure design and resilience assessment.
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