双剪类流动模型的非圆形颗粒离散元数值验证

中国医学科学杂志

2013, Vol. 47

Issue (6): 619-626

学科二临床研究

本期目录 | 过刊浏览 | 高级检索

双剪类流动模型的非圆形颗粒离散元数值验证

蒋明镜^{1, 2}, 李立青^{1, 2, 3}, 申志福^{1, 2}

1. 同济大学岩土及地下工程教育部重点实验室，上海 200092; 2. 同济大学地下建筑与工程系，上海 200092; 3. 河南省交通科学技术研究院有限公司，河南郑州 450006

Evaluation of double-shearing type kinematic models for granular flows by use of distinct element methods for non-circular particles

JIANG Ming-jing^{1, 2}, LI Li-qing^{1, 2, 3}, SHEN Zhi-fu^{1, 2}

1. Key Laboratory of Geotechnical and Underground Engineering of Ministry of Education, Tongji University, Shanghai 200092, China; 2. Dept. of Geotechnical Engineering, Tongji University, Shanghai 200092, China; 3. Henan Transportation Research Institute Co., Ltd., Zhengzhou 450006, China

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摘要应用地球物理资料进行储层物性参数反演是储层预测及综合评价的重要步骤。基于贝叶斯分类的储层物性参数联合反演方法综合应用统计岩石物理模型和蒙特卡罗仿真模拟技术，在贝叶斯反演框架下，基于贝叶斯分类算法计算储层物性参数后验概率分布，实现多种储层物性参数的联合反演。该方法不需要进行复杂的模型初始化，而是通过统计岩石物理模型建立储层物性参数与岩石弹性参数之间的关系，进而与叠前地震反演相结合，不仅能模拟地球物理随机特性，还能解决常规物性参数反演方法对测井资料过度依赖的问题。海上某区块实际资料应用结果表明，该方法能为储层精细描述提供多种物性参数，并可对反演结果的误差进行定量评价。

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	蒋明镜
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关键词 ：砂土流动, 双滑移自由转动模型, 双剪模型, 双滑移转动率模型, 离散单元法, 椭圆颗粒

收稿日期: 2012-01-08

ZTFLH:

TU44

基金资助:

基金项目：国家杰出青年基金项目（51025932）；国家自然科学基金项目（10972158，51179128）；上海优秀学术带头人计划项目（11XD1405200）

作者简介: 作者简介：蒋明镜（1965- ），男，教授，博士生导师，国家杰出青年基金获得者，“同济大学特聘教授”，日本JSPS外籍研究员，加拿大和英国两站的岩土工程出站博士后，主要从事天然结构性黏土、砂土、非饱和土、太空土、深海能源土的宏微观试验、本构模型和数值分析方面的研究以及土体逐渐破坏分析。E-mail: mingjing.jiang@tongji.edu.cn。

引用本文:

蒋明镜, 李立青, 申志福. 双剪类流动模型的非圆形颗粒离散元数值验证[J]. 中国医学科学杂志, 2013, 47(6): 619-626.
JIANG Ming-jing, LI Li-qing, SHEN Zhi-fu. Evaluation of double-shearing type kinematic models for granular flows by use of distinct element methods for non-circular particles. CMD, 2013, 47(6): 619-626.

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http://192.168.0.151:8080/Jwk_cyfdj/CN/ 或 http://192.168.0.151:8080/Jwk_cyfdj/CN/Y2013/V47/I6/619

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