• 主题
高级搜索  >
历史搜索 清空历史
首页> 外文期刊>Advanced Powder Technology: The internation Journal of the Society of Powder Technology, Japan >Analysis and modeling of heaping behavior of granular mixtures within a computational mechanics framework
【24h】

Analysis and modeling of heaping behavior of granular mixtures within a computational mechanics framework

机译：在计算力学框架内对颗粒混合物的堆积行为进行分析和建模

获取原文
获取原文并翻译 | 示例
           
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

This paper presents a continuum model of the flow of granular material during filling of a silo, using a viscoplastic constitutive relation based on the Drucker-Prager plasticity yield function. The performed simulations demonstrate the ability of the model to realistically represent complex features of granular flows during filling processes, such as heap formation and non-zero inclination angle of the bulk material-air interface. In addition, micro-mechanical parametrizations which account for particle size segregation are incorporated into the model. It is found that numerical predictions of segregation phenomena during filling of a binary granular mixture agree well with experimental results. Further numerical tests indicate the capability of the model to cope successfully with complex operations involving granular mixtures.
机译：本文利用基于Drucker-Prager可塑性屈服函数的粘塑性本构关系，提出了筒仓填充过程中颗粒状物料流动的连续模型。进行的仿真表明，该模型能够真实地表示填充过程中颗粒流的复杂特征，例如堆料形成和散装物料-空气界面的非零倾角。另外，将考虑颗粒尺寸偏析的微机械参数化纳入模型。发现二元颗粒混合物填充过程中偏析现象的数值预测与实验结果吻合良好。进一步的数值测试表明该模型能够成功应对涉及颗粒混合物的复杂操作。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱：kefu@zhangqiaokeyan.com

京公网安备：11010802029741号 ICP备案号：京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有

  • 客服微信

  • 服务号