The horizontal well stress distribution and the rock failure criterion constitute a fracture initiation mathematical model,which was solved by the iteration method.
水平井井筒应力分布和岩石破坏准则构成了水平井压裂裂缝起裂数学模型,利用迭代法对模型进行了求解。
参考来源 - 低渗透油藏水平井压裂理论及现场工艺探讨·2,447,543篇论文数据，部分数据来源于NoteExpress
The fracture initiation mechanism of refracturing was investigated by discussing rock failures.
从岩石破坏基本机制入手，研究重复压裂造缝机理。
Based on the FAD, the engineering safety assessment procedure for pre-venting fracture initiation of piping flaws is established.
以失效评定图技术为基础，建立了一套可用于防止压力管道缺陷起裂的断裂评定工程方法。
The results showed that with increasing the amount of the initial void damage, the ductile fracture initiation toughness of steel decreases.
研究结果表明，随钢组织在预加载荷中产生的微孔洞初始损伤量的增加，其延性起裂韧性降低。
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