考虑等效曲率的超二次曲面单元非线性接触模型

王嗣强, 季顺迎 - 力学学报, 2018 - lxxb.cstam.org.cn
nonspherical particles in nature and industrial applications, and accurately calculate the
contact force … Discrete particle simulation of particulate systems: A review of major applications …

[HTML][HTML] 基于水平集-离散元方法的球谐函数颗粒材料缓冲性能分析

刘芸松, 王嗣强, 季顺迎 - 计算力学学报, 2023 - pubs.cstam.org.cn
… number of non-spherical particles with different morphologies exhibit complex mechanical
properties and are used in different … A review of correlative modeling for transport properties,…

变重力场中散体颗粒堆的安息角及接触力分布

陈辉, 赵先琼, 刘义伦 - 北京航空航天大学学报, 2015 - bhxb.buaa.edu.cn
… of contact forces were obtained in the model. Results show that the force-chain formed
from contact forces within particle pile has the characteristics of structure of irregular mesh. …

[HTML][HTML] 非球形粒子反弹分布特性试验探究

牛佳佳, 王锁芳, 李鹏飞 - 推进技术, 2018 - tjjs.ijournals.cn
… , the experiment of 600μm steel ball and 600~800μm non-spherical quartz particlesparticles
is more concentrated, while the restitution coefficient of non-spherical quartz particles in the …

[HTML][HTML] 5-Nitro-1, 2, 4-triazole-3-one: A review of recent advances (英)

S Hanafi, D Trache, S Abdous… - Chinese Journal …, 2019 - energetic-materials.org.cn
… is revealed to be appropriate for better processability and has great impact on scale to
alter the performance and insensitivity towards a sudden mechanical stimuli than nonspherical

颗粒聚团结构对曳力特性影响的数值模拟

刘道银, 陈柄岐, 张祖扬, 吴琰 - 化工学报, 2023 - hgxb.cip.com.cn
… , thus increasing the drag force. The drag coefficient for agglomerates with different structures
are calculated, which indicates that the drag coefficient of non-spherical agglomerates is …

[HTML][HTML] 离散单元法及其在流态化领域的应用

周池楼, 赵永志 - 化工学报, 2014 - hgxb.cip.com.cn
… The DEM models are reviewed firstly, including the basic principles of … model, the particle
shape model, the contact force model, the non-contact force model, and the fluid force model. …

椭球颗粒体系剪切过程中自由体积的分布与演化

邹宇雄, 马刚, 李易奥, 王頔, 邱焕峰, 周伟 - 力学学报, 2021 - lxxb.cstam.org.cn
… a large number of discrete particles and their … properties as well as the deformation
characteristics of granular materials has been proved, the local free volume of nonspherical particles

考虑脏污材质的有砟道床力学行为及变形机理

Z Zhang, H Xiao, M Wang, G Liu, H Wang - Journal of Central South …, 2021 - Springer
… Ballast is composed of non-spherical particles. The principle of particle movement and
contact force iteration is shown in Figure 4. When the surface distance gs …

模拟月壤铺粉过程DEM 数值仿真

李雯, 徐可宁, 黄勇, 胡文颖, 王道宽 - 北京航空航天大学学报, 2020 - bhxb.buaa.edu.cn
characteristics and quality of final part. The geometric shape of the lunar regolith simulant
particles was modeled by means of a non-spherical particle superposition model method. The …