The settling behaviors of the rectangular particle were affected significantly by the initial orientation angle and length - width ratio 粒子的初始取向角和长宽比对其沉降过程有较大影响。
2.
The settling behaviors of a rectangular particle with different initial orientation angles and length - width ratios were simulated by using distributed lagrange multiplier / fictitious domain method 摘要为了对方形粒子在二维垂直通道中的沉降运动特性进行研究，应用了拉格朗日乘子虚拟区域方法对不同初始取向角、不同长宽比情况下方形粒子的沉降运动进行了直接数值模拟。
