趋同(经济学)
联轴节(管道)
灵活性(工程)
往复运动
基质(化学分析)
机械
放松(心理学)
收敛速度
算法
理论(学习稳定性)
材料科学
电流(流体)
计算机科学
数学
物理
热力学
方位(导航)
复合材料
人工智能
统计
机器学习
频道(广播)
计算机网络
经济
社会心理学
经济增长
心理学
作者
Chong Xiang,Fei Guo,Xiang Liu,Yijie Chen,Xiaohong Jia,Yuming Wang
标识
DOI:10.1016/j.triboint.2019.106078
摘要
By analyzing the principle of pressure balance in the sealing area, a more stable and faster convergence fluid–solid coupling numerical algorithm is proposed. The overall flexibility matrix of fluid film and asperities is extracted from both fluid and contact mechanics analyses. Then, multiplying the flexibility matrix by the current unbalanced pressure yields the required film thickness correction. Through some example analysis, it can be found the present model can be set with a larger relaxation factor (0.1) or even do not need any relaxation, while conventional model usually need to sacrifice efficiency and choose a smaller relaxation factor (0.001) to achieve stable convergence, meaning that the stability of the present model can be ensured at a higher convergence rate.
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