Simulations of Bingham plastic flows with the multiple-relaxation-time lattice Boltzmann model

• 作 者: CHEN SongGui SUN QiCheng JIN F
• 机 构: StateKeyLaboratoryofHydroscience&,Engineering
• 出 处: 中国科学：物理学、力学、天文学英文版
• 发表日期: 2014年3期
• 关键词: 格子BOLTZMANN模型 流体流动模拟 松弛时间 流动行为 塑性 宾汉流体 LB模型 圆形颗粒 Bingham fluids multiple-relaxa
• 基金项目: The authors thank Prof. SHI BaoChang and Dr. CHAI ZhenHua for their guidance in discussions. This work was supported by the National Key Basic Research Program of China （Grant No. 2010CB731504）, the N

Fresh cement mortar is a type of workable paste,which can be well approximated as a Bingham plastic and whose flow behavior is of major concern in engineering.In this paper,Papanastasiou’s model for Bingham fluids is solved by using the multiplerelaxation