华中科技大学学报（自然科学版）2024，Vol.52Issue(1)：78-84,7.DOI:10.13245/j.hust.240470
二维弱可压缩黏性流体的近场动力学模拟
Peridynamics simulation of 2D weakly-compressible viscous fluid
摘要
Abstract
In the basic of peridynamic theory,the peridynamic differential operator was used to solve the fluid continuity equation and momentum equation,and the peridynamic model of two-dimensional viscous fluid motion was established.The fluid was assumed to be weakly-compressible.The applicability of the established fluid calculation model in internal flow,free surface flow and flow around the cylinder was verified by three classical examples of two-dimensional cavity drive,dam break and low Reynolds number cylinder flow,and compared with the existing experimental data and numerical results.The results showed that fluid calculation model of the peridynamic differential operator established can effectively simulate the whole process of fluid motion.The trend and extreme value of the velocity distribution curve are in good agreement with the existing results,and the characteristics of the flow field can also be clearly captured.关键词
近场动力学微分算子/弱可压缩流体/溃坝/圆柱绕流/数值模拟Key words
peridynamic differential operator/weakly-compressible fluid/dam break/flow past a cylinder/numerical simulation分类
交通工程引用本文复制引用
王超,张郭杨,汪春辉,高岩..二维弱可压缩黏性流体的近场动力学模拟[J].华中科技大学学报（自然科学版）,2024,52(1):78-84,7.基金项目
国家自然基金资助项目(52171300). （52171300）
