数字模拟分析岩石中断裂传播,基于光滑粒子水力动力学
Xuhua Ren1, Hui Zhang1, Jixun Zhang1
1College of Water Conservancy and Hydropower Engineering, Hohai University, Nanjing 210024, China.
Materials (Basel, Switzerland)
|October 14, 2023
概括
这项研究增强了光滑粒子水力学 (SPH) 方法,以模拟破碎岩石中的裂传播. 改进的SPH方法准确地模拟了岩石力学,为压力下的裂行为提供了洞察力.
科学领域:
- 岩石机械学 岩石机械学
- 计算地质力学计算地质力学
背景情况:
- 破碎岩石的机械性能在岩石力学中至关重要.
- 之前的研究强调了对裂传播的先进模拟方法的需求.
研究的目的:
- 改进光滑粒子水力学 (SPH) 方法,用于分析破裂岩石中裂传播.
- 调查裂几何学对传播特性的影响.
主要方法:
- 该研究提出了对SPH方法的改进.
- 在岩石样本上进行了单轴压缩测试.
- 使用增强的SPH方法对各种裂形状,角度,宽度和方向进行了裂传播模拟.
主要成果:
- 改进的SPH方法准确地模拟了破碎岩石中的裂传播.
- 确定了在单轴压缩下裂传播的关键特征.
- 该研究通过实验和现有的数值结果验证了SPH方法.
结论:
- 增强的SPH方法是研究破碎岩石力学的一个有效和有效的工具.
- 该方法提供了有价值的见解,了解裂角度,宽度和方向如何影响裂传播.
- 这项研究对SPH在地力学中的工程应用具有重大意义.
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