2 , about the stability analysis of jiangyin bridge foundation , the geological model and nonlinear fe model are established , and the stability of foundation is analyzed 2 、在江阴长江公路大桥地基基础稳定性分析方面，建立了合理的概化地质模型与三维非线性有限元分析模型，分析了地基基础的稳定性。
The minimum travel - time tree algorithm is one of the main methods to trace rays , which is based on huygens ' and fermat ' s principles and can be applied to complex geological model 摘要最小旅行时树法是目前主要射线追踪方法之一，该方法以惠更斯原理和费马原理为基础，具有适应复杂地质模型的优点，缺点是速度较慢。
The reservoir geological modeling techniques integrated seismic and well - log data are the techniques and methods based on geostatistics and integrated seismic data to build reservoir geological model 地震与地质资料综合储层地质建模技术，是指以地质统计学为基础的结合地震资料建立储层地质模型的技术和方法的总称。
The snapshots of the theoretical and salt model show that they reduce artificial reflections to a great extent and absorb energy over a wide range of incident angles 理论模型及三维盐丘地质模型波场切片快照试算结果表明，该吸收边界条件可以有效地吸收人为边界反射，适用于较大入射角情况，从而消除了边界有效波信息的干扰。
Abstract : this paper introduces the types , studying content , modelling steps and modelling methods of reservoir geologic models , especially the significance of random modelling and some main methods of random modelling 文摘:概述了储层地质模型的类型、研究内容、建模步骤和建模方法，重点介绍了储层随机建模的意义和目前出现的主要随机建模方法。
In the light of the different contribution degrees of the geological variables to mineralization , the predicting model of metallogenetic favorable degree was constructed and some favorable minerogenetic areas or zones were delineated in the district 在已有的成矿地质模型基础上，利用信息量法和逻辑矢量长度法等方法筛选与成矿密切相关的地质变量。
Two dimensional experimental model of hydrocarbon migration and accumulation had been built up according to the geological model of the dina 2 structure including the database of structure , assemble of reservoir and caprock , and hydro - carbon sources 摘要为了研究油气运聚过程，以迪那2构造为地质模型，在构造特征、储盖组合、油长来源分析的基础上建立油长迟聚过程物理模拟的二维实验模型。
A geological model of the high and steep slopes in shuichang open - pit mine is established , which provides a strong basis for stability analysis and optimum design of the slopes using numerical modeling and limiting equilibrium analysis methods 边坡变形破坏机理和主要破坏模式，建立了水厂铁矿高陡边坡地质模型，为采用极限平衡分析和数值模拟相结合的方法进行边坡稳定性分析和设计提供依据。
In the aspect of designing observation system , aiming at the surface and geology condition of this area , the geology model was designed based on the seismic and logging data before and the suitable observation system parameters are chosen by using the technology of ray tracing 针对该区的地表和地质情况，在观测系统设计方面，以以往地震资料和测井资料为基础，建立该区的地质模型，利用射线追踪技术选取合适的观测系统参数。
Geologic structure modeling and input system are studied in this paper , we mainly aim at the efficiency and accuracy of model input . the major achievements obtained is listed as follows : 1 . an independent system for geologic structure modeling is built 本文根据具体的研究领域和科研任务，较深入地研究了同地震正演相关的构造模型的建立和输入技术，重点内容是如何建立地质模型，并在保证精度的前提下高效率地完成构造模型的输入。
