面元

这种布置理论上使得所有CMP点都在每个面元的中心。

Theoretically , such layout makes each CMP lie at the center of corresponding reflection bin .

对一般介质来说，三参数速度分析就是求取各面元中心点处，消除了倾角影响的叠加速度v和互相垂直的两个方向上的界面视倾角。

For usual medium , three parameter velocity analysis evaluates both the bin center stack velocity v without dip influence and the apparent interface dips at two perpendicular directions .

螺旋桨性能计算的B样条网格面元法研究

Calculation of propeller hydrodynamics by using panel method based on B-spline grid

面元法的快速算法与B样条高阶方法综述

Summary of fast algorithms and B-spline higher - order method in panel method

GIS中折线元及面元置信水平的随机模拟

The Stochastic Simulation of Confidence Levels of Polygon and Area in GIS

GIS中面元的误差熵模型

The Model of Error Entropy of Area Unit in GIS

开采沉陷预测的GIS面元栅格数字化模型及其应用

GIS raster digitized method with face element in predicting subsidence and its application

本文发展了一种面元法（PanelMethod），用以计算具有脱体涡的三元厚度机翼的空气动力。

The present paper has developed a panel method predicting the non-linear aerodynamic loads on thick wings with separation vortices .

共反射面元（CommonReflectionSurface，CRS）叠加是一种不依赖于宏观速度模型的零炮检距剖面成像方法。

Common reflection surface ( CRS ) stack is a macro-model independent seismic imaging method .

开发了一种基于B样条的高阶面元法用来求解浅水船舶兴波问题。

A high order panel method based on B-splines is developed to solve the wave-making problem of ships in shallow water .

NURBS高阶面元法在多体水动力分析中应用

Application of a NURBS higher-order panel method to multi-body hydrodynamic analysis

一种基于三角面元的目标RCS实用计算方法

Calculation of the Radar Cross Section of Targets Based on Triangular Object Model

几何独立的高阶面元法在波-流-物相互作用问题mj项求解中的应用

Application of a geometry-independent higher-order panel method to calculate the m_j terms in wave-current-body interaction problem

透声面元PVDF水听器的有限元法分析

A Finite Element Analysis of acoustically transparent planar PVDF hydrophone

基于三角面元的FDTD网格生成与可视化实现

FDTD Mesh-Generating and Visual Realization Based on Triangle-Patch

基于NURBS高阶面元法的有航速辐射问题数值解

A NURBS based higher order panel method for the radiation problem with forward speed

基于弹性理论和地理信息系统（GIS）技术，建立了用于开采沉陷预测的GIS面元栅格数字化模型。

Based on elastic theory and GIS technology , the model of GIS raster digitized model with face element is established to predict mining subsidence .

用高阶奇点分布面元法（PanelMethod）求位流解，然后进行各翼段粘性尾迹形状迭代，并解出正常边界层和汇流边界层特性。

A high order singularity panel method is used for the potential flow solution . The characteristics of ordinary and confluent boundary layer and viscous wake based on potential flow solution are obtained .

本文介绍了一种透声面元PVDF水听器的有限元分析方法。

This paper describes a finite element method analysis of an acoustically transparent planar PVDF hydrophone .

复杂地表条件下共反射面元（CRS）叠加方法研究

Common reflection surface stack for rugged surface topography

用几何独立的B样条高阶面元法进行多体水动力分析，速度势用任意阶的B样条函数近似，物面可以用任意的分片连续函数表示。

A geometry-independent higher-order panel method is applied to multiple-body hydrodynamic analysis in this paper , the velocity potential is approximated by B-splines of arbitrary order and the geometry is represented by any piecewise continuous functions .

通过对共反射面元双曲型时距关系式进行泰勒二阶展开，求得CRS叠加公式。

The CRS stack formula is deduced by second order Tailor expansion of CRS hyperbolic time-distance relationship .

推导出基于三角面元的PO的基本公式，在此基础上把目标划分成物理光学法区域和矩量法区域。

The formulation of PO based on triangular facets is derived , and the object is subdivided into MoM region and PO region further .

本文采用面元法理论以及计算流体力学软件FLUENT对螺旋桨与舵附推力鳍组合体系统进行了理论计算。

In this paper , panel method and CFD software FLUENT have been used for the calculation of the interaction of propeller and rudder with additional thrust fin .

该方法选用Laplace方程为流动方程，通过面元法求解流动问题以较快的获取流场数据。

In the approach , Laplace equation is used for flow equation , and the data are achieved quickly with flow problem solved by panel method .

问题的求解采用高阶面元法，以Rankine源作Green函数。船体可以是刚体，也可以按弹性结构处理。

The problem is solved by higher order panel method with Rankine source as Green function and the ship can be taken as a rigid as well as elastic structure .

其结果造成在CDP道集或共反射面元叠加时，由于各道的不一致性而影响叠加效果，使信噪比和分辨率不能得到有效提高。

They will influence the effect of CDP gathers or bin stacking because of the non-uniformity of each trace .

然后将每个面元内相同炮检距资料求和，即可作为DMO校正的结果。

Finally , the summation of common offset data in each bin brings the result of the DMO correction .

利用高阶面元法进行兴波计算，利用边界层方法和求解雷诺平均的Navier-Stokes方程计算粘性阻力。

Computed the wave resistance using high order panel method , computed the viscous resistance using boundary layer theory and solve the Reynolds Average Navier Stokes equation .

分析研究表明，Flexi面元（R）法不能实现既节省勘探投入又提高横向分辨率的目的。

The studies shows that it is incapable for Flexi-Bin ( R ) method to improve seismic lateral resolution while decrease the cost of exploration .