大型柔性航天器动力学与振动控制研究进展
曹登庆, 白坤朝, 丁虎, 周徐斌, 潘忠文, 陈立群… - 力学学报, 2019 - lxxb.cstam.org.cn
随着航天重大工程的逐步实施, 航天器正朝着超高速, 超大尺度, 多功能的方向发展,
其面临的发射和运行环境也更加恶劣. 航天器发射过程中的振动及其主/被动控制 …
其面临的发射和运行环境也更加恶劣. 航天器发射过程中的振动及其主/被动控制 …
Advances in research on gas storage in sediment void of salt cavern in China
Salt cavern gas storage (SCGS) is a mature energy storage method that is applied around
the world. Insoluble sediment particle (ISP) accumulated at the bottom of the salt cavern …
the world. Insoluble sediment particle (ISP) accumulated at the bottom of the salt cavern …
[PDF][PDF] Advances in dynamics and vibration control of large-scale flexible spacecraft
C Dengqing, B Kunchao, D Hu, Z Xubin… - Chinese Journal of …, 2019 - lxxb.cstam.org.cn
With the gradual implementation of the major projects in aerospace engineering, the
spacecraft design is heading towards the direction of ultra-high speed, large scale and multi …
spacecraft design is heading towards the direction of ultra-high speed, large scale and multi …
An efficient adaptive length scale insensitive phase-field model for three-dimensional fracture of solids using trilinear multi-node elements
As a diffused fracture theory, phase-field models can seamlessly simulate complex crack
patterns such as extending, branching, and merging. Despite the success of phase-field …
patterns such as extending, branching, and merging. Despite the success of phase-field …
[HTML][HTML] Predicting rock size distribution in mine blasting using various novel soft computing models based on meta-heuristics and machine learning algorithms
Blasting is well-known as an effective method for fragmenting or moving rock in open-pit
mines. To evaluate the quality of blasting, the size of rock distribution is used as a critical …
mines. To evaluate the quality of blasting, the size of rock distribution is used as a critical …
Discrete element modeling of crushable sands considering realistic particle shape effect
R Fu, X Hu, B Zhou - Computers and Geotechnics, 2017 - Elsevier
This study proposed a novel approach for generating crushable agglomerates with realistic
particle shapes in discrete element modeling (DEM). The morphologies of sand particles …
particle shapes in discrete element modeling (DEM). The morphologies of sand particles …
A 2D discrete moisture diffusion model for simulating desiccation fracturing of soil
C Yan, Z Luo, Y Zheng, W Ke - Engineering Analysis with Boundary …, 2022 - Elsevier
The desiccation fracturing of soil is widespread, which affects the migration of rainwater in
the soil, and the stability of slopes or other projects. This paper proposes a simple two …
the soil, and the stability of slopes or other projects. This paper proposes a simple two …
[HTML][HTML] Theoretical and numerical studies of rock breaking mechanism by double disc cutters
Y Kang, R Yang, L Yang, C Li, J Chen, H Zhu… - International Journal of …, 2023 - Elsevier
A plane mechanical model of rock breaking process by double disc cutter at the center of the
cutterhead is established based on contact mechanics to analyze the stress evolution in the …
cutterhead is established based on contact mechanics to analyze the stress evolution in the …
Discrete element modeling of particle breakage considering different fragment replacement modes
Granular breakage is a common phenomenon among rockfill dams, mineral engineering,
and geological phenomenon. In this work, we perform one-dimensional compression tests …
and geological phenomenon. In this work, we perform one-dimensional compression tests …
Effects of particle breakage on the mechanical characteristics of geogrid-reinforced granular soils under triaxial shear: A DEM investigation
D Shi, J Niu, J Zhang, Z Chao, G Fowmes - Geomechanics for Energy and …, 2023 - Elsevier
A series of numerically triaxial shear tests on crushable and uncrushable granular soils
reinforced by geogrid were conducted using 3-Dimension Particle Flow Code. The …
reinforced by geogrid were conducted using 3-Dimension Particle Flow Code. The …