This paper develops an Advanced Chinese-Moving Progressive Deformable Barrier(AC-MPDB)with a bi-directional block design to ad-dress the limitations of existing moving progressive deformable barriers in accurately ref...This paper develops an Advanced Chinese-Moving Progressive Deformable Barrier(AC-MPDB)with a bi-directional block design to ad-dress the limitations of existing moving progressive deformable barriers in accurately reflecting the dynamic response of the vehicle-to-vehicle crash.A comprehensive crashworthiness assessment of the AC-MPDB revealed certain stability issues under specific con-ditions.By analysing the mechanical properties of honeycomb aluminum and the design characteristics of the barrier,the root causes of these stability issues were identified,and corresponding robustness enhancement solutions were proposed.New evaluation indi-cators were developed for specific conditions,and the proposed solutions were validated and assessed.The results show that the optimized design offers improved crash robustness and can effectively represent the front-end structure of vehicles,providing a reliable tool for future safety evaluation protocols.展开更多
基金supported by the science and technology innova-tion Program of Hunan Province(Grant No.2022RC3044)the Postgraduate Scientific Research Innovation Project of Hunan Province(Grant No.CX20240257 and CX20240283)the Graduate Innovation Project of Central South University(Grant No.2023XQLH127 and 2023XQLH125).
文摘This paper develops an Advanced Chinese-Moving Progressive Deformable Barrier(AC-MPDB)with a bi-directional block design to ad-dress the limitations of existing moving progressive deformable barriers in accurately reflecting the dynamic response of the vehicle-to-vehicle crash.A comprehensive crashworthiness assessment of the AC-MPDB revealed certain stability issues under specific con-ditions.By analysing the mechanical properties of honeycomb aluminum and the design characteristics of the barrier,the root causes of these stability issues were identified,and corresponding robustness enhancement solutions were proposed.New evaluation indi-cators were developed for specific conditions,and the proposed solutions were validated and assessed.The results show that the optimized design offers improved crash robustness and can effectively represent the front-end structure of vehicles,providing a reliable tool for future safety evaluation protocols.
