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- discrete element theory 散体介质理论
- To break through the limit of continuous medium theory, a uniaxial compression test of HMA was simulated with discrete element method (DEM), and then the simulation was compared with the lab test. 为突破常规数值方法基于连续性的理想假设,进行了某级配的沥青混合料单轴压缩试验的离散元模拟,并将模拟试验与室内试验进行了比较。
- 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;
- 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。
- 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。
- 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。
- 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。
- The performances of deviator were studied in detail by combining the finite element theory and strut-and-tie model. 运用有限元技术结合拉压杆模型方法,对转向结构的受力特性进行详细的分析和配筋计算。
- 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]
- 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。
- The essay inspects the history from traditional alchemy,mediCal chemistry to the issue of "element theory"by Boyle,which is an important stip of the modern chemistry. 本文考察了从传统炼金术在由医药化学环节,到波义耳提出“元素说”,从而迈出近代化学关键一步的历史脉络;
- Through the finite element theory the nonlocal elastoplastic model is applied to the simulation of end friction effect of a compression plane plate. 最后,将提出的非局部弹塑性模型通过有限元理论应用到压缩平板端部摩擦效应的模拟中。
- Matter element theory is adopted for equipment quality surveillance performance evaluation,based on the indexes system and indexes weights conforming. 在构建出评价指标体系和确定指标权重的基础上,将物元理论引入到装备质量监督业绩评价中来。
- 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。
- In this paper, the time scale modification rule in Time Domain Pitch-Synchronous OLA(TD-PSOLA) method is developed based on "tonal element theory". 在基于"调素"论结论的基础上,对时域基音同步叠加(TD-PSOLA)算法中的时间标尺修改部分作了相应的调整,使之符合"边缘调素脱落"原理;
- 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 AMME method and the super finite element theory are proposed to consider the influence of concrete creep during construction. 在分析中提出采用龄期调整的有效模量法(AMME)考虑施工期混凝土徐变的影响,并利用超级有限元-有限元耦合理论进行施工过程的模拟。
- Numerical simulations on particle mixing characteristics of spout-fluid bed were carried out in three dimensional based on discrete element method (DEM). 采用离散元方法,对喷动流化床内的颗粒混合特性进行了三维直接数值模拟。