Phase-field modeling of fracture in poroelastic solids for thermal energy storage

被引：0
|
作者：
Miao, Xing-Yuan [1 ,2 ]
Kolditz, Olaf [1 ,2 ]
Nagel, Thomas [1 ,3 ]
机构：
[1] UFZ Helmholtz Ctr Environm Res, Dept Environm Informat, Permoserstr 15, D-04318 Leipzig, Germany
[2] Tech Univ Dresden, Appl Environm Syst Anal, Dresden, Germany
[3] Trinity Coll Dublin, Sch Engn, Dept Mech & Mfg Engn, Dublin, Ireland
来源：
POROMECHANICS VI: PROCEEDINGS OF THE SIXTH BIOT CONFERENCE ON POROMECHANICS | 2017年
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D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The development of a continuum phase-field model of brittle fracture for poroelastic solids is presented. Three treatments for deriving the evolution equation of the phase-field are compared. The phase-field approach transforms the discontinuous crack interface into a continuous diffusive setting. The diffuseness is controlled by a length scale parameter which is also associated with the stress state in the process zone. A one-dimensional beam model with an analytical solution is provided for the verification of the current numerical implementation.
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页码：1976 / 1983
页数：8
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