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- Quasi-static deformation of granular materials was examined by performing discrete element simulations on polydisperse systems of elastic-perfectly plastic spheres in a periodic cell. 摘要本文介绍了对由弹塑性圆球组成的粒度多分散系统进行的轴向准静态加载和卸载的数值模拟成果。
- discrete element simulation 离散元模拟
- Then, the authors perform simulation analysis by FLAC (Fast Lagrangi an Analysis of Continum) and DEM (Discrete Element Method). 然后运用拉格郎日差分法和离散单元法相结合,对滑坡发生的运动过程进行全程再现模拟。
- This paper hopes to reach the purpose to effectively evaluate the stability of the rockfall through the simulation of Fengdu s Mingshan rockfall by discrete element method. 以丰都名山崩滑体为研究对象,拟通过对该崩滑体失稳破坏过程的离散元模拟分析,达到对该崩滑体的稳定性进行有效分析评价的目的。
- Mechanism of subsidence induced by mining under stoped area is analyzed in the paper.The mechanism was testified with discrete element numerical simulation through a case study. 本文利用离散单元法,结合具体的工程实例对这一力学现象进行了数值模拟,验证了该机理的正确性。
- The discrete element method (DEM) model of two-level isolation system impacted by external force is developed. 提出了外力冲击的二级隔离系统的dem模型。
- A two-well pumping seepage discrete element model is built and numerically simulated with UDEC. 表明抽水速率界定孔隙压力平均趋近速率:抽水孔间距影响流速;
- The elasticoplastic finite element simulation analyses nave been made for the dual casing stringr by EPT software. 利用EPF软件对双层组合套管进行弹塑性有限元仿真分析,其结果与西德克劳塞尔技术大学M.
- Abstract: The discrete element method( DEM) model of two-level isolation system impacted by external force is developed. 文摘:提出了外力冲击的二级隔离系统的dem模型。
- Study on finite element simulation of stress and strain of jaw crusher teeth using determinate mechanics method. 应用确定性力学方法对破碎机齿板的应力应变进行了有限元仿真研究;
- The deformation failure and evolution of the rook slope before and after the excavation was simulated by discrete element method (DEM). 利用离散单元方法(DEM),模拟分析了该岩质边坡采石切坡前及采石切坡后的变形破坏及其演变过程。
- Orthogonal optimum design of laser peen forming based on finite element simulation[J]. 引用该论文 曹向广;周建忠;袁国定;杜建钧;倪敏雄.
- Abstract: The discrete element method (DEM) model of two-level isolation system impacted by external force is developed. 文摘:提出了外力冲击的二级隔离系统的DEM模型。
- Theoretical Investigation and Finite Element Simulation of Laser Peen Forming of Metal Plate[J]. 引用该论文 周建忠;倪敏雄;张永康;杨超君;杜建钧;曹向广.
- The advantages and principles of meso-mechanical models of concrete based on the discrete element method are introduced. 介绍了离散单元法用于混凝土细观结构数值模拟的优越性及其基本原理;
- ZHONG Shu-guang, ZHANG Xiang-dong.Using of discrete element method instability analysis of aroof.[J].Coal, 2000, 9(4): 15- 17. [11]张树光;张向东.;离散元在顶板稳定性分析中的应用[J]
- The BP neural network model based on finite element simulation and AI technology can quickly and effectively predict the flanging formability. 有限元仿真与人工智能相结合的BP人工神经网络模型可以快速有效地预测翻边成形性。
- DEM (Discrete Element Method) is used to simulate the gas-solid flow of a two-dimension fluidized bed with L-type wind caps in this paper. 该文采用离散元素法DEM模型对二维L型定向风帽流化床中的气-固流动特性进行模拟。
- In this paper, deformation mechanism and energy absorbability of foam metal in the course of compressing were researched by finite element simulation. 本文主要是对多孔材料在压缩过程中的变形机制以及能量吸收性进行有限元模拟研究。
- To predict the forming limit in sheet metal forming, a ductile fracture criterion is introduced into the finite element simulation. 摘要为了准确地预测板料成形极限,将韧性断裂准则引入到有限元模拟中。