科研成果 | 承担项目： [1] 国家自然科学基金面上项目：侧向爆炸载荷下轻质泡沫材料夹芯双圆管结构的动态响应与吸能机理，主持； [2] 国家自然科学基金面上项目：横向爆炸载荷下层级仿生夹芯柱壳结构的动态响应机理及设计优化，主持； [3] 国家自然科学基金重点项目：三维爆炸冲击流固耦合数值模拟的算法与软件，参与； [4] 山西省自然科学基金项目：柱壳结构中的非线性弥散波与波致失效的研究，主持； [5] 山西省自然科学基金项目：泡沫铝夹芯柱壳结构的抗爆性能与多目标优化设计，主持； [6] 横向：金属泡沫填充薄壁管的耐撞性研究； 代表性论文（专著、教材）： [1]Liu Zhifang, Huang Zhichao, Qin Qinghua. Experimental and theoretical investigations on lateral crushing of aluminum foam-filled circular tubes[J]. Composite Structures, 2017, 175:19-27. [2]Liu Zhifang, Hao Wenqian, Qin Qinghua. Buckling and energy absorption of novel pre-folded tubes under axial impacts[J]. Applied Physics A, 2017, 123(5):351. [3]Liu Zhifang, Hao Wenqian, Xie Jiamiao, Axial-impact buckling modes and energy absorption properties of thin-walled corrugated tubes with sinusoidal patterns, Thin-Walled Structures, 2015, 94:410-423. [4] Liu zhifang, Zhang tianhui, Li shiqiang, etc. Experiment and Numerical Simulation on the Dynamic Response of Foam-Filled Tubes Under Lateral Blast Loading, Acta Mechanica Solida Sinica, 2021, 34(6): 937-953 [5]Zhang Tianhui, Liu Zhifang, Li Shiqiang, etc. Dynamic response and energy absorption performance of aluminum foam-filled sandwich circular tubes under internal blast loading, International Journal of Impact Engineering, 2023, 173：104458. [6]Ma Yu, Liu Zhifang, Zhang Tianhui, etc. Crushing Behavior and Energy Absorption Performance of a Novel 3D Folded Structure with Negative Poisson’s Ratio, Advanced Engineering Materials, 2023,25(10)：2201769. [7]Zhang Tianhui, Liu Zhifang, Li Shiqiang, etc. Elastic-plastic response for the foam-filled sandwich circular tube under internal blast loading. International Journal of Impact Engineering, 2024, 188: 104945. [8]张天辉,刘志芳,雷建银,等. 内爆炸载荷下泡沫铝夹芯圆管塑性动力响应及能量耗散机理. 力学学报, 2023, 55: 2344-2353. [9]于博丽,冯根柱,李世强,刘志芳.横向爆炸载荷下薄壁圆管的动态响应[J].爆炸与冲击,2019,39(10):20-28. [10]张鹏飞,刘志芳,李世强.内爆炸载荷下梯度泡沫铝夹芯管的动态响应[J].爆炸与冲击,2020,40(7):14-23. 获奖情况： [1] 山西省科技二等奖（自然科学类），强动载荷作用下典型工程结构的非线性动力学行为，排名第三 [2] 山西省科技二等奖（自然科学类），薄壁构件及其复合功能材料的冲击力学行为与波致失效研究，排名第三 |
