科研成果 | 参与项目: [1] 国家杰出青年科学基金项目,工程结构抗灾可靠性优化设计理论,参与,350万元。 [2] 国家自然科学青年基金项目,基于非局部宏-微观损伤模型实现准脆性固体动力破坏分析的高效数值方法,参与,30万元。 学术论文: [1] Chen, J.-B.*, Ren, Y.-D., Lu, G.-D., 2021. Meso-scale physical modeling of energetic degradation function in the nonlocal macro-meso-scale consistent damage model for quasi-brittle materials. Computer Methods in Applied Mechanics and Engineering 374, 113588. [2] Ren, Y.-D., Chen, J.-B. *, Lu, G.-D., 2023. A structured deformation driven nonlocal macro-meso-scale consistent damage model for the compression/shear dominate failure simulation of quasi-brittle materials. Computer Methods in Applied Mechanics and Engineering 410, 115945. [3] Ren, Y.-D., Lu, G.-D., Chen, J.-B. *, 2024. Physically consistent nonlocal macro–meso-scale damage model for quasi-brittle materials: A unified multiscale perspective. International Journal of Solids and Structures 293, 112738. [4] Ren, Y.-D., Chen, J.-B. *, Lu, G.-D., 2024. Mesoscopic simulation of uniaxial compression fracture of concrete via the nonlocal macro–meso-scale consistent damage model. Engineering Fracture Mechanics 304, 110148. [5] Lu, G.-D., Chen, J.-B. *, Ren, Y.-D., 2024. New insights into fracture and cracking simulation of quasi-brittle materials based on the NMMD model. Computer Methods in Applied Mechanics and Engineering 432, 117347. [6] Ren, Y.-D., Chen, J.-B. *, Lu, G.-D., 2025. Characterize the pairwise deformation gradient without least squares in 2D: Application in the NMMD model. Computer Methods in Applied Mechanics and Engineering 436, 117715. [7] 任宇东, 陈建兵*, 2021. 基于一类非局部宏-微观损伤模型的混凝土典型试件力学行为模拟. 力学学报, 53(4): 1196-1121. [8] 任宇东, 陈建兵*, 卢广达, 2023. 基于结构化变形驱动的非局部宏−微观损伤模型的真II型裂纹模拟. 力学学报, 55(2): 390-402. [9] 陈建兵, 任宇东, 卢广达*, 2024. 两尺度视角下准脆性材料的损伤: 从几何不连续度到自由能折减. 力学学报, 56(11): 3202-3212. |