梁-颗粒模型在混凝土侵彻问题中的应用

张德海; 朱浮声; 邢纪波

doi:10.11883/1001-1455(2005)01-0085-05

梁-颗粒模型在混凝土侵彻问题中的应用

doi: 10.11883/1001-1455(2005)01-0085-05

1.
东北大学土木工程系,辽宁沈阳 110004；
2.
烟台大学土木工程系,山东烟台 264005

计量
- 文章访问数: 2340
- HTML全文浏览量: 139
- PDF下载量: 161
- 被引次数: 6
出版历程
- 刊出日期: 2005-01-25

Application of beam-particle model to the prolem of concrete penetration

1.
Department of Civil Engineering, Northeastern University, Shenyang 110004, Liaoning, China;
2.
Department of Civil Engineering, Yantai University, Yantai 264005, Shandong, China

摘要

摘要: 用二维梁-颗粒模型BPM2D（beam-particle model in two dimensions）模拟了混凝土侵彻问题。在模型中用3种类型梁单元形成混凝土数值试样。每种类型梁单元的力学性质均按韦伯分布随机赋值来模拟混凝土细观结构的非均匀性。利用此模型对在钢弹侵彻下混凝土圆板的破坏过程进行了数值模拟。通过将计算结果与实验数据及LS-DYNA程序模拟结果比较，表明梁-颗粒模型可有效地应用于计算和模拟材料从连续介质向非连续介质转变的动态破坏问题。
- 固体力学 /
- 动态破坏 /
- 数值模拟 /
- BPM2D /
- 混凝土 /
- 冲击 /
- 侵彻
Abstract: The BPM2D (beam-particle model in two dimensions) was used to simulate the problem of concrete penetration. Three types of beam in the BPM2D were used to create numerical models of concrete. The mechanical properties of each type of beam were randomly allocated according to Weibull distribution to reflect the initial heterogeneity of concrete at the mesoscale level. The failure process of a steel bullet perforating into a concrete panel was analyzed with this model. The comparison of the simulated results with the experimental data and the simulated results of the code LS-DYNA3D demonstrated that the BPM2D was applicable to simulating the dynamic failure problems associated with the transition from continuum to discontinuous media.
- solid mechanics /
- dynamic failure /
- numerical simulation /
- BPM2D /
- concrete /
- impact /
- penetration

HTML全文

参考文献(0)

施引文献

期刊类型引用(2)

1.	熊玮，张先锋，李逸，谈梦婷，刘闯，侯先苇. 活性材料冲击压缩及反应行为模拟方法研究进展. 北京理工大学学报. 2023(10): 995-1015 . 百度学术
2.	王云天，曾祥国，陈华燕，杨鑫，王放，祁忠鹏. 钽靶板在冲击下层裂过程的数值模拟. 高压物理学报. 2021(02): 90-103 . 百度学术