考虑温度相关性的岩石热破裂数值模拟

doi:10.6040/j.issn.1672-3961.0.2021.585

摘要/Abstract

摘要： 为解决岩石热力学参数如比热、热传导系数等会伴随温度变化而影响岩石热破裂的问题,基于连续-非连续元方法,采用显式积分建立一种考虑参数温度关联性的岩石瞬态热-力-破裂耦合数值模型,通过该模型研究不同升温速率对岩石热裂过程的影响。结果表明:考虑参数温度关联时,破裂速率、破裂程度比不考虑参数温度关联小;裂缝最大宽度比不考虑参数温度关联时大、开裂持续时间更长。

关键词: 岩石热破裂, 连续-非连续单元方法, 温度相关性, 耦合分析, 升温速率

中图分类号:

TU45

王骏林,冯春,张一鸣. 考虑温度相关性的岩石热破裂数值模拟[J]. 山东大学学报 (工学版), 2023, 53(1): 106-113.

WANG Junlin, FENG Chun, ZHANG Yiming. Numerical simulation of rock thermal fracture considering the temperature dependence[J]. Journal of Shandong University(Engineering Science), 2023, 53(1): 106-113.

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