摘要在海冰与锥体海洋结构的相互作用过程中, 潮汐水位变化时海冰作用于锥体结构的位置改变
对冰载荷具有显著影响. 本文采用具有粘结破碎功能的离散元方法计算海冰与锥体作用的破坏 …

摘要采用离散元算法模拟了石英玻璃圆环受到外加动态载荷时的力学行为. 首先基于flat-jointed
粘结模型, 通过标准的单轴拉压, 三点弯曲等数值实验来标定了石英玻璃的微观参数 …

摘要基于颗粒材料冲击与波动响应特性的调控波传播行为的超材料设计受到广泛关注,
设计这类材料需要对颗粒材料的波传播机制及调控机理有深入认识. 波在颗粒材料中传播的频散 …

摘要基于连续函数包络的超二次曲面单元可有效地描述自然界和工业生产中的非球体颗粒形态,
并通过非线性迭代方法精确计算单元间的接触力. 对于具有复杂几何形态的超二次曲面单元 …

The particle image velocimetry (PIV) is used to conduct experimental research in the solid-
liquid two-phase plane turbulent boundary layer. The turbulence statistics such as the …

During the interaction between the sea ice and the conical structure, the ice load is affected
by the position of the sea ice acting on the conical structure when the tidal water level …

The mechanical behavior of quartz glass rings under internal velocity impact is simulated by
using discrete element method (DEM) based on the flat-jointed bond model. The …

The super-quadric elements based on the continuous function representation can effectively
describe the non-spherical particles in nature and industrial applications, and accurately …

The design of metamaterials is paid more attention to control the behaviors of the wave
propagation based on response characteristics of shock and wave in granular materials …

摘要玛湖致密砾岩油藏是目前重要的陆上原油上产的主要组成部分, 系统的油藏工程评价显示,
其裂缝的扩展规律与页岩为代表的非常规储层具有典型的差异,“绕砾成缝” 是其重要的控制机理 …