The Next Step in Micromechanical Studies of Rock Deformationand Failure: Experiments and Theory for More Complicated Value Problems that Include Stress Gradient Effects

岩石变形和破坏微观力学研究的下一步：包括应力梯度效应在内的更复杂价值问题的实验和理论

• 批准号: 9022381
• 负责人: John Kemeny
• 金额: $ 9万
• 依托单位: University of Arizona
• 依托单位国家: 美国
• 项目类别: Continuing Grant
• 财政年份: 1991
• 资助国家: 美国
• 起止时间: 1991-07-15 至 1993-12-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=9022381&HistoricalAwards=false
• 关键词: Next; Step; Micromechanical; Studies; Rock

The objective of this research is to develop a damage model to model the crack growth that occurs in hollow cylinder tests of Indiana limestone, as well as in other complicated boundary value problems. The damage model will be developed by implementing a micromechanical model into an elastic finite element code. The outcome could eventually eliminate the need for empirical constitutive relations in brittle rocks for which micromechanical models have been developed.

本研究的目的是建立一个损伤模型 模拟空心圆柱体中的裂纹扩展 测试印第安纳州石灰岩，以及在其他复杂的 边值问题将开发损伤模型 通过将微机械模型实施到弹性 有限元程序结果可能最终消除 脆性材料经验本构关系的必要性 岩石的微观力学模型已经开发。