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应用分数阶导数湍流扩散理论考察不同初始条件下悬移质含沙量垂向分布的演化过程.基于对流-扩散方程和分数阶导数动力学理论,发展了一维非平衡状态下的分数阶导数方程模型,模拟了静水和稳态分布初始条件下悬移质的动态演化过程,分析了影响含沙量变化的因素.
非平衡条件下悬移质输沙过程的分数阶导数建模
【摘 要】
：
应用分数阶导数湍流扩散理论考察不同初始条件下悬移质含沙量垂向分布的演化过程.基于对流-扩散方程和分数阶导数动力学理论,发展了一维非平衡状态下的分数阶导数方程模型,模拟了静水和稳态分布初始条件下悬移质的动态演化过程,分析了影响含沙量变化的因素.
【机 构】
：
河海大学力学材料学院水力学与流体力学研究所,南京210098 中国科学院地理科学与资源研究所,北京
【出 处】
：
2015中国力学大会
【发表日期】
：
2015年2期
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