1) borderline virtual borehole
边界虚拟钻孔
1.
By means of introducing the borderline virtual boreholes,this problem can be alleviated in some extents,because of the data point density on the borderlines of geological bodies was increased,and the borderlines were controlled eff.
借助边界虚拟钻孔方法来增加复杂地质体边界数据点密度,从而有效控制3维形体的边界,在一定程度上能缓解这一问题。
2) border virtual borehole
虚拟边界钻孔
3) virtual borehole
虚拟钻孔
1.
First, we constructed 3D model of strata by using Kriging algorithm on the basis of virtual borehole and other data; Second, in order to embody the results of virtual borehole modification and export knowledge in the flow of 3D model, we employed the method that can take full advantag.
地质体三维建模是地学信息系统核心课题之一,对现有建模方法进行分析,结合地层特点,提出首先引入虚拟钻孔,利用Kriging插值方法建立地层三维模型;其次把虚拟钻孔参数的调试结果及专家知识等资料在建模流程中予以充分体现,从而建立相对精确的三维地层模型;最后基于本文建模方法开发了一个三维地层模型,并用实际资料进行了验证,能有效满足工程需求。
2.
Concept of virtual borehole was import aim at this problem.
针对这一问题,文章引入了虚拟钻孔,用于增加数据点密度,有效控制三维形体边界。
3.
The high performance method of constructing virtual boreholes for models of stratigraphy under the platform of GMS was developed by this means.
物性反射层等深线数据文件与GMS中钻孔数据文件通过点的空间坐标相互关联,可高效地构建GMS中地层实体建模所需的虚拟钻孔。
4) virtual boundary
虚拟边界
1.
Planar flow field topology analysis based on virtual boundary
基于虚拟边界的平面流场拓扑分析
2.
The formula of thermal field for eddy current retar-der is deduced using principle of heat transfer and virtual boundary method and the result is compared with temperature-time characteristic of retarder on bed test.
利用传热学原理和虚拟边界法得出了电涡流缓速器温度分布的近似解析表达式,并与缓速器台架试验温度时域特性进行比较,结果表明,该表达式能够作为缓速器初始设计温度分布预估式,为电涡流缓速器设计提供依据。
3.
This paper presents a multigrid parallel algorithm of one dimensional virtual boundary ransack forecast, and discusses its convergence.
对网格方程组作多重网格区域分裂并行计算 ,虚拟边界预报提出一维搜索算法 ,并讨论相应的收敛性 ;通过 GS迭代的性质 ,构造区间压缩算法 ,证明了其收敛性 。
5) dummy borehole chain
虚拟钻孔链
1.
This paper proposed a new method of dummy borehole chain to control the complicated geo-body based on the similar tri-prism model.
基于似三棱柱模型和人工插入虚拟钻孔的方式提出采用虚拟钻孔链控制复杂地质体的新思路,成功设计了一种能够识别褶皱、透镜体、尖灭体、断层和高精度控制边界的推理算法。
6) virtual boundary method
虚拟边界法
1.
The virtual boundary method was extended to 3D application and used to study the transitions for the flow field of two spheres in tandem arrangement at various Reynolds numbers.
本文对虚拟边界法加以改善并推广到三维多连通区域的数值模拟上去,研究了不同雷诺数下串列双圆球的流场转捩现象。
2.
The virtual boundary method is extended to three-dimensional application and used to simulate the flow passing around two circular cylinders in cruciform arrangement at Re = 150, and the flow field of two spheres in tandem arrangement at Re = 250.
把Goldstein等人提出的虚拟边界法推广到三维情况,研究了Re=150时不同间距下正交双圆柱绕流,和Re=250时不同间距下串列双圆球绕流流场。
3.
The virtual boundary method is extended to 3D application and used to simulate the flow field of two spheres in tandem arrangement for Re=250.
本文把Goldstein等人提出的虚拟边界法推广到三维情况,研究了Re=250时不同间距比下串列双圆球的绕流场。
补充资料：地表钻孔抽水
地表钻孔抽水
dewatering through well
d{bjoo之uankong ehoushu}地表钻孔抽水(dewatering through well)为了解除矿区地下水害威胁，在地表矿区边界之外的来水方向上围绕矿体开凿若干个大直径钻孔，在钻孔内安放深井泵或潜水泵排水，使矿区开采地段处于疏干降落漏斗水面之上的疏干方法。钻孔布置见矿山深井降水孔平面图。钻孔直径D可按公式D一d十50+2 了尸·、’· 户。’\。。/ 望‘，卜’。 户)’力价 /{/。一、\ 匕一办’\ 矿山深井降水孔的平面图 l一来水方向;2一抽水钻孔; 3矿区;4一隔水层(a十b)计算。其中d为水泵的最大外径，mm;。为过滤管的厚度，mm;b为充填料的厚度，mm。地表钻孔抽水疏干在地表进行，施工简单、方便，劳动条件好、施工管理容易，钻孔的布置及疏水设备的迁移都比较灵活。因此，在条件允许的情况下，应该尽量采用地表钻孔抽水，疏干矿床。 (张福有)
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条