CNLF method;
Navier-Stokes/Darcy model;
Stabilized finite element method;
Lowest equal-order finite element pair;
FINITE-ELEMENT-METHOD;
2ND-ORDER;
EFFICIENT;
SURFACE;
STEPS;
D O I:
10.1016/j.cam.2021.113793
中图分类号:
O29 [应用数学];
学科分类号:
070104 ;
摘要:
In this paper, a Stabilized Crank-Nicolson LeapFrog (SCNLF) method for the non-stationary Navier-Stokes/Darcy model is presented and analyzed. Initially, we decompose the coupling model into Navier-Stokes and Darcy equations. The spatial discretization by stabilized finite element method and the temporal discretization by CNLF method give a second-order partitioned method. Stability and error estimate of the numerical method are given. Finally, some numerical tests are presented to justify the theoretical analysis. (C) 2021 Elsevier B.V. All rights reserved.
机构:
Xiangtan Univ, Sch Math & Computat Sci, Xiangtan 411105, Peoples R China
Taiyuan Univ Technol, Coll Math, Taiyuan 030024, Peoples R ChinaXiangtan Univ, Sch Math & Computat Sci, Xiangtan 411105, Peoples R China
Jia, Hongen
Jia, Huiyong
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机构:
Taiyuan Univ Technol, Coll Math, Taiyuan 030024, Peoples R ChinaXiangtan Univ, Sch Math & Computat Sci, Xiangtan 411105, Peoples R China
Jia, Huiyong
Huang, Yunqing
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机构:
Xiangtan Univ, Sch Math & Computat Sci, Xiangtan 411105, Peoples R ChinaXiangtan Univ, Sch Math & Computat Sci, Xiangtan 411105, Peoples R China
机构:
Henan Univ Technol, Coll Sci, Zhengzhou 450001, Peoples R China
Xi An Jiao Tong Univ, Sch Math & Stat, Xian 710049, Peoples R ChinaHenan Univ Technol, Coll Sci, Zhengzhou 450001, Peoples R China
Han, Yongbin
Hou, Yanren
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机构:
Xinjiang Univ, Sch Math & Syst Sci, Urumqi 830046, Peoples R China
Xi An Jiao Tong Univ, Sch Math & Stat, Xian 710049, Peoples R ChinaHenan Univ Technol, Coll Sci, Zhengzhou 450001, Peoples R China
机构:
Xi An Jiao Tong Univ, Sch Math & Stat, Xian 710049, Shaanxi, Peoples R ChinaXi An Jiao Tong Univ, Sch Math & Stat, Xian 710049, Shaanxi, Peoples R China
Gao, Yali
He, Xiaoming
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机构:
Missouri Univ Sci & Technol, Dept Math & Stat, Rolla, MO 65409 USAXi An Jiao Tong Univ, Sch Math & Stat, Xian 710049, Shaanxi, Peoples R China
He, Xiaoming
Mei, Liquan
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机构:
Xi An Jiao Tong Univ, Sch Math & Stat, Xian 710049, Shaanxi, Peoples R ChinaXi An Jiao Tong Univ, Sch Math & Stat, Xian 710049, Shaanxi, Peoples R China
Mei, Liquan
Yang, Xiaofeng
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机构:
Univ South Carolina, Dept Math, Columbia, SC 29208 USA
Univ Elect Sci & Technol China, Sch Math Sci, Chengdu 610054, Sichuan, Peoples R ChinaXi An Jiao Tong Univ, Sch Math & Stat, Xian 710049, Shaanxi, Peoples R China
机构:
Xi An Jiao Tong Univ, Sch Math & Stat, Xian 710049, Shaanxi, Peoples R ChinaXi An Jiao Tong Univ, Sch Math & Stat, Xian 710049, Shaanxi, Peoples R China
Qin, Yi
Hou, Yanren
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机构:
Xi An Jiao Tong Univ, Sch Math & Stat, Xian 710049, Shaanxi, Peoples R ChinaXi An Jiao Tong Univ, Sch Math & Stat, Xian 710049, Shaanxi, Peoples R China