| 岩石破裂过程分析(RFPA2D)系统的细观单元本构关系及验证 |
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| 引用本文： | 朱万成,唐春安,杨天鸿,梁正召.岩石破裂过程分析(RFPA2D)系统的细观单元本构关系及验证[J].岩石力学与工程学报,2003,22(1):24-29. |
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| 作者姓名： | 朱万成 唐春安 杨天鸿 梁正召 |
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| 作者单位： | 东北大学岩石破裂与失稳研究中心,沈阳,110006 |
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| 基金项目： | 国家自然科学基金(49974009)资助项目 |
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| 摘 要： | 从岩石的细观非均匀性特点出发，应用弹性损伤力学，对岩石破裂过程分析数值（RFPA^2D)模拟系统的本构关系进行了描述。用RFPA^2D系统模拟了岩石试样在单轴或双轴载荷作用下的强度特征和破坏形态，通过与实验结果对比验证了该本构关系和数值模拟系统的合理性和有效性。
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| 关 键 词： | 岩石力学 本构关系 细观 破坏过程 双轴载荷 数值模拟系统 |
| 文章编号： | 1000-6915(2003)01-0024-06 |
| 收稿时间： | 2001-3-4 |
| 修稿时间： | 2001年3月4日 |
CONSTITUTIVE RELATIONSHIP OF MESOSCOPIC ELEMENTS USED IN RFPA2D AND ITS VALIDATIONS |
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| ZhuWancheng,TangChun''''an,Yang Tianhong,Liang Zhengzhao.CONSTITUTIVE RELATIONSHIP OF MESOSCOPIC ELEMENTS USED IN RFPA2D AND ITS VALIDATIONS[J].Chinese Journal of Rock Mechanics and Engineering,2003,22(1):24-29. |
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| Authors: | ZhuWancheng TangChun'an Yang Tianhong Liang Zhengzhao |
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| Abstract: | Based on the heterogeneous characteristics of rock at mesoscopic level, the constitutive law of mesoscopic elements used in RFPA2D is described with elastic damage mechanics. The RFPA2D is used to simulate the strength and failure patterns of rock specimen subjected to uniaxial or biaxial loading. The numerical results are compared well with the corresponding experimental results, which proves that the constitutive law as well as the numerical system (RFPA2D) are reasonable and effective in simulating the failure of rock under various plane stress conditions. |
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| Keywords: | rock mechanics constitutive relationship mesoscopic failure process |
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