in-situ stress field 地应力场 ; 原岩应力场
initial in situ stress field 初始地应力场
current in-situ stress field 现今地应力场
initial in-situ stress field 初始地应力场
3-D in-situ stress field 三维地应力场
The values of main influence factors are got by calculate with GeneticAlgorithm. Applied these values to Finite Element model and calculated with thismodel, the initial in-situ stress field is obtained.
然后采用逐步回归法确定地应力场的主要影响因子，剔除其它不显著因子，利用遗传算法强大的优化搜索计算功能，求出各主要影响因子大小，将其施加到有限元模型上进行有限元计算，进而得到初始地应力场。
参考来源 - 遗传算法在初始地应力场分析计算中的应用·2,447,543篇论文数据，部分数据来源于NoteExpress
So in-situ stress field is also one of base works about drilling engineering design.
因此地应力场的研究是钻井工程设计的基础工作之一。
Initial in-situ stress field is analyzed with multiple variables and equations regression.
在初始地应力场分析问题中，采用了多方程回归方法。
The grey system is the system in which some information is defined and some undefined. The in-situ stress field is a typical grey system.
信息部分明确、部分不明确的系统为灰色系统，地应力场则是典型的灰色系统。
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