LAPSE:2023.2893
Published Article
LAPSE:2023.2893
The Study of the Pore Structure Properties of Rocks Based on Complex Network Theory: Taking an Example of the Sandstone in the Tongnan Area in China
February 21, 2023
Abstract
The pores in rocks are multi-scale and highly complex. Based on complex network theory, the topological properties of a sandstone flow network are studied. The results show that the sandstone pore scale network is a small-world network with an average shortest path of 5.720, and 80% of the network node degree is less than 3. This network structure can improve the security of the network and ensure the permeability of the pores under the action of external forces. In addition, nodes with appropriate degree distribution have a significant influence on permeability. Nodes with a larger degree will significantly reduce the average shortest path of the network, while nodes with a smaller degree will expand the coverage of the seepage network.
The pores in rocks are multi-scale and highly complex. Based on complex network theory, the topological properties of a sandstone flow network are studied. The results show that the sandstone pore scale network is a small-world network with an average shortest path of 5.720, and 80% of the network node degree is less than 3. This network structure can improve the security of the network and ensure the permeability of the pores under the action of external forces. In addition, nodes with appropriate degree distribution have a significant influence on permeability. Nodes with a larger degree will significantly reduce the average shortest path of the network, while nodes with a smaller degree will expand the coverage of the seepage network.
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Keywords
clustering coefficient, complex network, pore throat, porous material, the distribution of degree
Subject
Suggested Citation
Hu Y, Gu J, Liu H, Zhu J, Ye D, Liu G, Jin Q. The Study of the Pore Structure Properties of Rocks Based on Complex Network Theory: Taking an Example of the Sandstone in the Tongnan Area in China. (2023). LAPSE:2023.2893
Author Affiliations
Hu Y: State Key Laboratory for Geomechanics and Deep Underground Engineering, China University of Mining & Technology, Xuzhou 221008, China; School of Mechanics & Civil Engineering, China University of Mining & Technology, Xuzhou 221116, China
Gu J: State Key Laboratory for Geomechanics and Deep Underground Engineering, China University of Mining & Technology, Xuzhou 221008, China; School of Mechanics & Civil Engineering, China University of Mining & Technology, Xuzhou 221116, China
Liu H: State Key Laboratory for Geomechanics and Deep Underground Engineering, China University of Mining & Technology, Xuzhou 221008, China; School of Mechanics & Civil Engineering, China University of Mining & Technology, Xuzhou 221116, China
Zhu J: State Key Laboratory for Geomechanics and Deep Underground Engineering, China University of Mining & Technology, Xuzhou 221008, China; School of Mechanics & Civil Engineering, China University of Mining & Technology, Xuzhou 221116, China
Ye D: State Key Laboratory for Geomechanics and Deep Underground Engineering, China University of Mining & Technology, Xuzhou 221008, China; School of Mechanics & Civil Engineering, China University of Mining & Technology, Xuzhou 221116, China [ORCID]
Liu G: Key Laboratory of Deep Earth Science and Engineering, Ministry of Education, Sichuan University, Chengdu 610065, China
Jin Q: Geotechnical and Structural Engineering Research Center, Shandong University, Jinan 250000, China
Gu J: State Key Laboratory for Geomechanics and Deep Underground Engineering, China University of Mining & Technology, Xuzhou 221008, China; School of Mechanics & Civil Engineering, China University of Mining & Technology, Xuzhou 221116, China
Liu H: State Key Laboratory for Geomechanics and Deep Underground Engineering, China University of Mining & Technology, Xuzhou 221008, China; School of Mechanics & Civil Engineering, China University of Mining & Technology, Xuzhou 221116, China
Zhu J: State Key Laboratory for Geomechanics and Deep Underground Engineering, China University of Mining & Technology, Xuzhou 221008, China; School of Mechanics & Civil Engineering, China University of Mining & Technology, Xuzhou 221116, China
Ye D: State Key Laboratory for Geomechanics and Deep Underground Engineering, China University of Mining & Technology, Xuzhou 221008, China; School of Mechanics & Civil Engineering, China University of Mining & Technology, Xuzhou 221116, China [ORCID]
Liu G: Key Laboratory of Deep Earth Science and Engineering, Ministry of Education, Sichuan University, Chengdu 610065, China
Jin Q: Geotechnical and Structural Engineering Research Center, Shandong University, Jinan 250000, China
Journal Name
Processes
Volume
10
Issue
2
First Page
211
Year
2022
Publication Date
2022-01-24
ISSN
2227-9717
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Original Submission
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PII: pr10020211, Publication Type: Journal Article
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LAPSE:2023.2893
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https://doi.org/10.3390/pr10020211
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[v1] (Original Submission)
Feb 21, 2023
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