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基于SPH的风沙运动的数值模拟

逯博 买买提明·艾尼 金阿芳 徐玉娟

逯博, 买买提明·艾尼, 金阿芳, 徐玉娟. 基于SPH的风沙运动的数值模拟[J]. 力学学报, 2013, 45(2): 177-182. doi: 10.6052/0459-1879-12-312
引用本文: 逯博, 买买提明·艾尼, 金阿芳, 徐玉娟. 基于SPH的风沙运动的数值模拟[J]. 力学学报, 2013, 45(2): 177-182. doi: 10.6052/0459-1879-12-312
Lu Bo, Maimtimin·Geni, Jin Afang, Xu Yujuan. NUMERICAL SIMULATION OF WIND-BLOWN SAND MOVEMENT BASED ON SPH[J]. Chinese Journal of Theoretical and Applied Mechanics, 2013, 45(2): 177-182. doi: 10.6052/0459-1879-12-312
Citation: Lu Bo, Maimtimin·Geni, Jin Afang, Xu Yujuan. NUMERICAL SIMULATION OF WIND-BLOWN SAND MOVEMENT BASED ON SPH[J]. Chinese Journal of Theoretical and Applied Mechanics, 2013, 45(2): 177-182. doi: 10.6052/0459-1879-12-312

基于SPH的风沙运动的数值模拟

doi: 10.6052/0459-1879-12-312
基金项目: 国家自然科学基金(11102178)和国家重点基础研究发展计划(973计划)(2011CB706601)资助项目.
详细信息
    通讯作者:

    逯博,硕士研究生,主要研究方向:现代设计方法与数值仿真.E-mail:lunvbo@163.com

  • 中图分类号: O351.2

NUMERICAL SIMULATION OF WIND-BLOWN SAND MOVEMENT BASED ON SPH

Funds: The project was supported by the National Natural Science Foundation of China (11102178) and the National Basic Research Program of China (2011CB706601).
  • 摘要: 运用光滑粒子流体动力学(smoothed particles hydrodynamics, SPH)方法对沙粒和气流的相互耦合运动特性进行了分析,研究提出了风沙流的SPH数值方法并进行了数值模拟. 首先提出了风沙流的SPH建模方法和基本理论,建立了风沙流动的SPH数值模拟平台. 其次通过建立风沙流的SPH 模型并施加边界条件,对自然风作用下沙粒的运动情况进行了数值模拟,详细分析了沙粒运动轨迹及特性,最后通过与相关研究成果对比分析,验证了完善后的SPH方法有效性. 通过考虑气流场的可变性,在风沙流SPH计算模型中引入了加载(起风)和卸载(停风)方式,观察并对比分析了沙粒的运动轨迹和特性. 为进一步研究风沙流的实时动态非线性行为提供了SPH理论基础和数值分析方法.

     

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出版历程
  • 收稿日期:  2012-11-08
  • 修回日期:  2013-01-21
  • 刊出日期:  2013-03-18

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