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有限元正演计算
相关语句
  finite element forward solution
     FINITE ELEMENT FORWARD SOLUTION OF TWO DIMENSIONAL FREQUENCY ELECTROMAGNETIC SOUNDING IMPEDANCE APPARENT RESISTIVITY
     二维水平电偶极变频测深阻抗视电阻率的有限元正演计算
短句来源
  “有限元正演计算”译为未确定词的双语例句
     SOME PROBLEMS OF PROCESSING FORWARD MODELING CALCULATIONS OF 2-D ELECTRICAL PROSPECTING BY THE FINITE ELEMENT METHOD
     二维电法有限元正演计算的几个问题
短句来源
     SOME NEW RESULTS OF FORWARD MODELLING FOR 2-D ELECTRICAL PROSPECTING BY THE FINITE-ELEMENT METHOD
     电法二维有限元正演计算的若干新结果
短句来源
     THE APPLICATION OF OF OPTIMIZED NUMBER TO DIRECT CALCULATION OF POINT SOURCE TWO-DIMENSIONAL FINITE ELEMENT
     最优化波数在点源二维有限元正演计算中的应用
短句来源
     Some measures are given to save memory and decrease operation procedures in using microcomputer for processing forward modeling calculations of two-dimensional electrical prospecting by the finite element method. They are store of rigidity matrix, disposition of forced boundary counditions, and solution of the finite element equations etc.
     本文讨论了利用微型计算机进行二维电法有限元正演计算中节省内存及减少运算量的几项措施,即刚度矩阵存储、强加边界条件处理及有限元方程组解法等问题,并提出了相应的算法。
短句来源
     It has the same form as the finite element forward modeling equation. So all the elements of Jocobi matrix can be got through finite element forward modeling.
     它具有与时间域有限元正演方程相同的表达形式 ,故可通过有限元正演计算来获得雅可比矩阵 .
短句来源
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  相似匹配句对
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     地下涵管的有限计算
短句来源
     Computation of J-Integral With Finite Element Method
     有限方法计算J积分
短句来源
     A Finite Element Analysis for Prediction of Tides and Tidal Currents in the Horbons
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     跟骨有限计算和分析
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Some measures are given to save memory and decrease operation procedures in using microcomputer for processing forward modeling calculations of two-dimensional electrical prospecting by the finite element method. They are store of rigidity matrix, disposition of forced boundary counditions, and solution of the finite element equations etc. In addition, corresponding algorithms are also presented and examples prove the algorithms to be valid.

本文讨论了利用微型计算机进行二维电法有限元正演计算中节省内存及减少运算量的几项措施,即刚度矩阵存储、强加边界条件处理及有限元方程组解法等问题,并提出了相应的算法。算例表明,此方法是可行的。

An optimal selection of wavenumber in the foward modelling calculation by tinite-element method for 2-D electrical prospecting was presented.Based on the great data of ealculation of synthetic apparent electri-eal resistivity curves for some theorical models we found that a turming point exists within all the curves and the ealculation errors with wavenumber increasing keep stable beyond it.This feature will benefit the comput-er time saving in the forward modelling and the further use of finite-elernent method...

An optimal selection of wavenumber in the foward modelling calculation by tinite-element method for 2-D electrical prospecting was presented.Based on the great data of ealculation of synthetic apparent electri-eal resistivity curves for some theorical models we found that a turming point exists within all the curves and the ealculation errors with wavenumber increasing keep stable beyond it.This feature will benefit the comput-er time saving in the forward modelling and the further use of finite-elernent method in the 2-D inverse problem.

文章揭示出最优化选取波数的方法给电法二维有限元正演计算带来了显著的效果,并经大量试算发现了误差随波数个数及网格剖分参数变化的规律——变化曲线上存在突变点,突变点之后误差趋于平稳变化。这一发现使得我们可以在保证精度的前提下大大节省计算时间,这将对正演更充分地应用于反演有着重要意义。

In combination with geoelectric model,the present paper gives the curve showing thevariation of calculation error with optimized wave numbers, revealing the existence of an abruptlydropping stable point.This regularity greatly reduces the wave numbers that calculation requires.In addition,studies show that an abruptly-dropping stable Point is also existent on the curveshowals varistion of etror with density parameter of network.The discovery of this regularitycan considerably reduce the time of two-dimensional...

In combination with geoelectric model,the present paper gives the curve showing thevariation of calculation error with optimized wave numbers, revealing the existence of an abruptlydropping stable point.This regularity greatly reduces the wave numbers that calculation requires.In addition,studies show that an abruptly-dropping stable Point is also existent on the curveshowals varistion of etror with density parameter of network.The discovery of this regularitycan considerably reduce the time of two-dimensional finite element direct calculation, and makepossible its full application in the inverse problem.

文章结合地电模型给出了计算误差随最优化波数个数的变化曲线,揭示出该曲线上存在突降稳定点,这一规律使计算所需波数大大减少。研究还发现误差随网格加密参数曲线上也存在突降稳定点。上述规律的发现可以大大节省二维有限元正演的计算时间,使之在反演中的充分应用成为可能。

 
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