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DOI	10.1016/j.compgeo.2022.104675
	A non-local frost heave model based on peridynamics theory
	Zhou, Yanqiao; Zhang, Mingyi; Pei, Wansheng; Wang, Yapeng
通讯作者	Zhang, MY (通讯作者)，Chinese Acad Sci, Northwest Inst Ecoenvironm & Resources, State Key Lab Frozen Soil Engn, Lanzhou 730000, Peoples R China.
发表日期	2022
ISSN	0266-352X
EISSN	1873-7633
卷号	145
英文摘要	Multitudes of physical phenomena have non-local effects. However, non-local effects are not considered by most soil frost heave models. Peridynamics takes into account non-local interactions, and has not yet been applied in the field of permafrost research. Thus, this study is a preliminary attempt to introduce peridynamics into permafrost research. In this paper, a one-dimensional frost heave model of saturated soils for local theory is established, and then converted to a non-local model of peridynamics. A program of the model is used to verify the model. The comparison between the numerical simulation results and the measured results shows that the model can basically reflect the characteristics of the physical field evolution in the frost heave process of saturated soils. To accelerate the model, the integral term in the mathematical model is deduced into the form of convolution. The modified model can use fast Fourier transform to calculate the convolution term in the model. Compared with the original program, the program accelerated by the fast Fourier transform has a lower memory cost and a higher calculation efficiency.
关键词	POROUS-MEDIA COUPLED HEAT TRANSPORT STRESS WATER
英文关键词	Frost heave; Peridynamics; Multi-field coupling; Numerical simulation
语种	英语
WOS研究方向	Computer Science ; Engineering ; Geology
WOS类目	Computer Science, Interdisciplinary Applications ; Engineering, Geological ; Geosciences, Multidisciplinary
WOS记录号	WOS:000779684400004
来源期刊	COMPUTERS AND GEOTECHNICS
来源机构	中国科学院西北生态环境资源研究院
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/253827
作者单位	[Zhang, Mingyi] Chinese Acad Sci, Northwest Inst Ecoenvironm & Resources, State Key Lab Frozen Soil Engn, Lanzhou 730000, Peoples R China; Univ Chinese Acad Sci, Beijing 100049, Peoples R China
推荐引用方式 GB/T 7714	Zhou, Yanqiao,Zhang, Mingyi,Pei, Wansheng,et al. A non-local frost heave model based on peridynamics theory[J]. 中国科学院西北生态环境资源研究院,2022,145.
APA	Zhou, Yanqiao,Zhang, Mingyi,Pei, Wansheng,&Wang, Yapeng.(2022).A non-local frost heave model based on peridynamics theory.COMPUTERS AND GEOTECHNICS,145.
MLA	Zhou, Yanqiao,et al."A non-local frost heave model based on peridynamics theory".COMPUTERS AND GEOTECHNICS 145(2022).