Expand Euclid for inverse element in the template has been turned into a long long type.
拓展欧几里德用于求逆元，在本模板中已经把类型改成了long long。
Mathematics a set with an associative binary operation under which the set is closed, which contains an identity element and an inverse for every element in the set.
群：二元结合运算为闭合的数学集合，具有单位元素。集合中每一元素都有逆元素。
Based on the boundary element method, an inverse method is developed to identify the material parameters of orthotropic plane problem.
以边界元计算为基础，提出正交各向异性平面问题材料参数识别的反分析方法。
Based on good localization property of the K element (inverse of the partial inductance method), a fast algorithm for interconnect inductance and resistance extraction is proposed in this paper.
本文基于K参数(电感矩阵的逆)较好的局部化特性，提出适应高频情况的互连电感电阻提取算法。
Taking a beam element structure for example, this paper has deduced a calculating method for structures' inverse design, which satisfied static and dynamic characteristics of structures.
本文以梁元结构为例，推导满足结构静、动力特性的结构逆设计计算方法。
Study on applying the theory of inverse analysis and in-out boundary element method to forecast the pressure of soft rock tunnel 'surrounding rock and supporting deformation.
研究了用反分析理论和内、外边界元方法预测软岩巷道围岩压力和支护变形。
There is no explicit formulation of inverse mapping about the isoparametric element, so inverse mapping is avoided in finite element analysis.
由于等参元不存在逆变换的显式，所以在有限元分析的列式中都回避等参元逆变换。
An inverse stochastic boundary element method for prediction of contact stress is presented by combining improved filter algorithm with stochastic boundary element method.
将改进的滤波算法和随机边界元法结合，提出了用于预测接触应力的逆随机边界元法。
The inverse heat conduction finite element method and its application are described.
本文描述逆热传导有限元方法及其应用。
The finite element method has been used to solve the inverse problem for the determination of parameters and to predict the groundwater head. The results were satisfactory.
用有限单元法解决反求参数问题及预测水头，获得了满意结果。
Based on the theory of inverse algebraic eigenvalue problem, a method for correction finite element model by using test data is presented in this paper.
基于代数特征值逆问题理论，提出了一种利用静力试验数据修正有限元模型方法。
Based on modal analysis of piezoelectric smart laminated plates a finite element inverse algorithm for identifying the time history of impact loads from piezoelectric modal responses is presented.
基于对智能层合板结构的模态分析，提出由结构的压电模态响应反演瞬态荷载时间历程的有限元方法。
This thesis analysis the design principles and security and studies the critical algorithm of element inverse in the AES.
这一论断的设计原则和安全性分析和研究的关键算法逆向的元素在aes。
Based on the inverse iteration method, an iterative technique for dynamic condensation of finite element models has been derived in this paper.
本文从逆迭代法出发，导出了一种有限元模型动力缩聚迭代方法。
Based on the triangular membrane element model, a high precision inverse approach with finite element is deduced.
以三角形膜单元为基础，推导了精度较高的有限元逆算法。
The discontinuous finite element method is extended to solve the direct problem, and then the conjugate gradient method is used to solve the inverse problem by optimizing the objective function.
正问题采用间断有限元法求解，反问题的解则在正问题的基础上通过共轭梯度法得到。
This paper uses inverse finite element method combined with forward finite element method to design blank of automobile panel, and proves its rationality by physical simulation.
本文采用有限元逆向法和正向法结合的方法，确定覆盖件零件的成形毛坯，并用物理实验验证了其合理性。
Based on ideal deformation theory, the authors developed a finite element inverse approach for sheet metal forming process simulation, and the computer program was implemented.
依据理想形变理论，研究开发了冲压成形过程模拟的有限元逆算法，并考虑了成形中的压边力，拉延筋等工艺条件，实现了计算机程序。
Based on the finite element analysis for 3-d electrostatic field in the fuse-contactor, the mathematical model of inverse problem is set up.
本文以真空组合电器三维静电场有限元分析为基础，建立三维静电场边问题的数学模型。
Inverse Approach has been selected to calculate the blank shape and independent finite element program has been developed.
以锥形盆为例，验证了根据有限元逆算法设计的毛料展开程序在毛料展开中的有效性和精确性。
Boundary element method has a great advantage over others on the inverse problems above in that boundary element method works out the results only based on the boundary datum.
因为边界元法仅利用边界量进行求解，故对于上述一类反问题分析有较大优势。
Geometric dichotomy method is innovated and used for inverse isoparametric mapping in linear finite element, of which a property is proved and served as the foundation.
在证明线性等参单元的一个几何特性的基础上，提出了线性等参单元逆变换的几何二分法。
Based on the assumption of ideal forming theory and plain stress, the FE equations for axisymetric multi-step deep drawing inverse simulation are formulated with linear membrane element and .
针对增量有限元求解用时过多的问题 ，采用形变理论并利用理想形变的假设 ，导出用于板料成形设计的一步法 。
With regard to complicated inverse problems, numerical methods are always adopted to deal with them, such as finite element method, finite difference method and boundary element method.
对于复杂结构的反问题，通常采用数值方法求解，如有限元法、有限差分法、边界元法等。
The eight-point finite element is used for the discretization in the space system. The finite element model is given, facilitating to sensitivity analysis for non-linear direct and inverse problems.
采用八节点的等参单元在空间上进行离散，建立了便于敏度分析的非线性正演和反演的有限元模型，可直接求导进行敏度分析。
The eight-point finite element is used for the discretization in the space system. The finite element model is given, facilitating to sensitivity analysis for non-linear direct and inverse problems.
采用八节点的等参单元在空间上进行离散，建立了便于敏度分析的非线性正演和反演的有限元模型，可直接求导进行敏度分析。
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