选择共轭梯度法解决由有限元法形成的大型稀疏矩阵方程，应用FORTRAN语言编制了数值模拟系统软件。
Conjugate gradient method were choosed to solve the large sparse matrix equations induced by the FEM and computer language FORTRAN was used to programme the numerical simulation system software.
利用有限元法，通过有限元分析软件对其实际工况进行整体结构数值模拟，得出主轴装置在实际工况下的应力、变形情况。
It makes use of finite element method to carry out the numerical value simulation by software in reality in order to get the condition of strain and deformation on the main axle installing.
以渝怀铁路人和场隧道爆破施工为背景，采用动力有限元法对浅埋隧道掘进爆破引起的地表震动效应进行了数值模拟。
By taking a shallow tunnel on the Yuhuai railway as the research object, ground vibration induced by blasting was simulated numerically using a dynamic finite element method.
利用非线性动力有限元法对爆炸处理消除焊接接头残余应力的全过程进行了数值模拟。
The whole process of the relief of the welding residual stress through an explosive treatment is simulated by using the nonlinear dynamic finite element method.
针对7075铝合金中厚板真空电子束焊接过程，采用非线性有限元法，对焊接接头的残余应力分布进行了数值模拟。
Aim at 7075 aluminium alloy vacuum electronic beam welding, using nonlinear finite element, the numerical simulation of the residual stresses distribution in welding joint was made.
本文主要由两个部分构成，即基于有限元程序自动生成系统(FEPG)的组合网格法和组合网格法在焊接数值模拟中的应用。
This paper consists of two parts: one researches mainly on the Composite Grid method based on FEPG, the other studies the application of CGM on numerical simulation of welding.
有限元数值模拟法是对储层构造裂缝进行定量预测并确定其空间分布的一种有效方法。
The finite element numerical simulation method is an effective method in quantitatively forecasting reservoir structural fractures and determining the spatial distribution of fractures.
本文旨在应用广义有限元法研究混凝土的开裂问题，为混凝土结构裂缝的数值模拟工作开辟一条新的途径。
The purpose of this paper is to apply GFEM to make a research on concrete crack problem, so find a new way to the numerical simulation of concrete structure crack.
应用BP -神经网络法对数学模型进行修正，建立有限元数值模拟方法补充剔除数据并对数学模型适用范围进行扩展。
The mathematical models are amended by BP neural network algorithm, and method of finite element numerical simulation is used to compensate the removal data and extend the applied range.
土壤水研究的数值模拟方法也有一些突破，如有限解析法、特征有限元法、交替方向有限元法等。
Advanced numerical simulations were introduced in soil water research, such as finite analysis method, characteristic finite element method, and alternating direction finite element method.
采用三维弹塑性有限元法对虎克式万向节热挤压成形过程进行了数值模拟分析。
This paper deals with the numerical simulation analysis of hot extrusion forming process of the Hooke's Joint using three-dimensional elastoplastic finite element method.
用有限元数值模拟法研究了由弹性材料构成的三元复合管道的力学性能。
A three-element composite piping made of elastic materials was studied with finite element numerical simulation.
为消除铝合金预拉伸板中的残余应力，采用弹塑性有限元法对振动时效消除残余应力进行数值模拟。
To eliminate the residual stress of aluminum alloy pre-stretching board, an elastic-plastic finite element model was developed to simulate the vibratory stress relief (VSR) process.
采用变形有限元法对坩埚下降法晶体生长过程进行了瞬态数值模拟。
Transient numerical simulation for Bridgman method was carried out by means of deforming finite element method .
应用显式有限元法对倾斜断层台阶在地震体波斜入射下的地震反应进行了数值模拟。
The explicit finite element is used to simulate the seismic response of an inclined fault step subjected to obliquely incident P and SV waves.
采用三维刚塑性有限元法对四种径向精锻变形道次的变形分布进行了数值模拟计算；
The strain distributions of four kinds of radial forging processes have been simulated by rigid-plastic FEM.
摘要在基于有限元数值模拟的基础上提出了反向最小余量法，用以优化芯辊进给速度曲线。
A new method, which named reverse shrinking surplus method, has been pointed out based on the fem in order to optimize the speed curve of the spindle.
然后应用有限元法对气膜流场进行了有效的数值模拟计算及优化设计分析。
Then the application of finite element method has been carried on effective numerical value analog computation and the design analysing to the gas membrane flow field has been optimized.
考虑节理面上的接触领域的非透水性，用有限元法对节理中的渗流进行数值模拟。
Using the finite element method, with a special algorithm by treating the contact areas as zero-aperture elements, numerical simulations of fluid flow in joints were conducted.
本文采用有限元法，就三维楔形体结构对带自由表面流场的撞水过程进行了数值模拟。
By means of finite element method, a numerical simulation of water impact is proceeded for a three-dimensional wedge-shaped structure impacting on the fluid field with a free-surface.
用有限元法对非均匀介质的涡流检测信号进行了数值模拟，并针对检测信号采用逼近的方法预测了表面硬化层深度。
The numerical simulation on the eddy signals was introduced by approaching method based on Finite Elements theory to predict the hardened depth.
应用有限元法对路基内的水分迁移规律进行数值模拟。
The rule of the water migrating in subgrade is studied with finite element method, its numerical modelling results are given.
根据理论计算得到了法向压力分布的简化模型，并结合有限元数值模拟对多点压边圈上的压力传递问题进行了分析。
The simplified theoretical model of normal pressure was derived, and the pressure delivery principle of multi-point blank holder was analyzed with FE simulation.
讨论组合网格法(CGM)在有限元程序自动生成系统平台(FEPG)上的具体实现，并对激光焊接问题进行数值模拟，取得了理想的仿真结果。
Discussed the CGM based on finite element program generator (FEPG), the laser welding problems is simulated on it, and reached some ideal simulation results.
实验应力分析模拟结果与有限元数值法吻合较好。
The simulated results from experimental stress analyses agree with calculating data of finite-element numerical method very well.
采用基于s - R分解原理的更新拖带坐标有限元法，对火灾下钢筋混凝土板进行了数值模拟。
Update co-moving coordinate finite element based S-R decomposition theorem was used to calculate the reinforced concrete slabs under fire.
采用有限元法对门式钢刚架结构中的变截面梁进行了数值模拟，分别得到其在ISO标准升温曲线和局部火灾下的温度场变化，考察了升温曲线及火源位置对变截面梁升温的影响。
Tapered beam of a steel portal frame is numerically simulated by the finite element method, and the changes of temperature field under the ISO time-temperature curve and local fire are obtained.
本研究利用多重网格虚拟边界有限元法（MFBM）数值模拟多圆柱涡激运动问题。
In this paper, multigrid fictitious boundary method(MFBM)is applied to direct numerical simulation of vortex-induced motions of multi-cylinders in viscous flows.
论述了刚（粘）塑性有限元法的主要思想和处理方法。基于前期的本构模型，得出了刚（粘）塑性有限元法的求解列式。并对有限元数值模拟的发展前景作了预测。
Based on a former constitutive model, the calculation formulas for rigid-(visco) plasticity FEM were worked out, and an overview on the development of FEM numerical simulation was made.
论述了刚（粘）塑性有限元法的主要思想和处理方法。基于前期的本构模型，得出了刚（粘）塑性有限元法的求解列式。并对有限元数值模拟的发展前景作了预测。
Based on a former constitutive model, the calculation formulas for rigid-(visco) plasticity FEM were worked out, and an overview on the development of FEM numerical simulation was made.
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