In this paper, the pre and post process system (POPPS) for stretch forming simulation with FEM is presented.
介绍了飞机蒙皮拉形过程有限元分析软件的前后置处理系统POPPS。
With the FEM simulation, the strain and stress of each node under different deformation stage are analyzed and the common forming law of this ring shell container is obtained.
采用有限元数值模拟对环壳零件成形过程中不同压下量下毛坯各节点的应力应变分布及变化规律进行了分析，获得了环壳零件冲压过程的成形规律。
In this paper, together with road simulation test, reliability theory and FEM, the fatigue life and degree of reliability were analyzed based on the construction of the frame.
论文在对车架结构模型构建的基础上，将道路模拟试验、可靠性分析理论和有限元分析方法等结合起来，分析其可靠度及疲劳寿命。
The application fields, basic principle and FEM of one step forming simulation software and its advantages compared with incremental method simulation have been introduced.
介绍了一步成形法模拟软件的应用领域、基本原理和方法以及同增量法模拟比较的优点。
It was shown that the failure members obtained by numerical analysis agreed very well with practical situation, which verified the air temperature rise simulation and the FEM analysis.
有限元数值模拟杆件破坏情况与实际火灾的破坏情况一致，验证了温度分布的正确性和有限元分析过程的合理性。
The simulation of roll forming with multiple passes was studied by FEM software ABAQUS.
利用ABAQUS软件对多道次辊弯成形数值模拟技术进行了研究。
The FEM simulation of molten pool temperature filed of laser cladding was in accordance with the results of cladding experiments.
本文激光熔覆熔池温度场的有限元模拟与熔覆实验取得了较为一致的结果。
To obtain sample space used to establish the nonlinear regression model, the FEM simulation tests were arranged with the methods of orthogonal and random experimental design.
基于正交和随机方法安排了有限元仿真试验，获得了用于非线性电磁建模的样本空间。
Among the numerical simulation methods, the finite element method (FEM) is widely to solve the electric field with complex structure and multi-dielectric medium with high precision.
在常用数值求解方法中，有限元法以其通用性强，适用于结构复杂、多重介质复杂场域求解，且求解精度高等优点而被广泛用于电器电场的数值求解。
A new concept, essential technical design (ETD) for automobile stretching part which provides succeeding FEM simulation with initial conditions, its necessity and characteristics are presented.
提出了要领设计的新概念，即通过该环节为汽车覆盖拉延件成形的有限元模拟提供初始条件，分析了要领设计的必要性和特点。
However, for the existing method of numerical simulation of prestressed anchor cable in slope has some disadvantages, the result of numerical simulation in FEM isn't in accord with practical one.
然而，对于现有的在边坡预应力锚索数值模拟方法也有一些缺点，在有限元数值模拟的结果，是不符合实际的。
The process conditions are selected and operated. The result of FEM simulation is compared with the practical result.
根据讨论的结果选取了较为合理的工艺方案，并把该工艺方案的运用状况与模拟的结果作了对比。
The stability of rock mass is studied with FEM simulation and the unequal thrust method.
通过弹塑性的有限元模拟和不平衡推力法计算，对其稳定性进行分析研究。
With FEM simulation, the cost and tooling design time can be reduced significantly by minimizing the number of try outs.
通过有限元法分析可减少试模次数，从而降低消耗，缩短模具设计时间。
The basic numerical simulation method is FDM and FEM, but the traditional FDM are not efficient for some models with convection term.
常用的数值计算方法有有限差分法和有限元法，但用标准的有限差分方法求解数学模型时常常失效，根本原因在于对流项的存在。
The FEM elastic simulation results of plane strain show that the deformation and stress distribution of this structure are safe and accord with the relevant standard of highway tunnel.
平面应变弹性数值模拟分析结果表明：该结构的变形与受力是合理的，在安全上均能满足相关技术规范。
For numerical simulation of photonic crystal fibers with FEM, the effect of material dispersion is considered in the transmission properties.
在对光子晶体光纤数值分析时，加入了材料色散对于传输特性的影响。
With the help of FEM numerical simulation method, the performance of cooling towers in terms of stress, displacement and local elastic stability due to aerodynamic loads are examined.
根据模型中状态反馈模块和时滞反馈模块的不变性特点，通过构造合适的迭代映射，研究了饱和区域内平衡点的存在性、个数以及局部渐近稳定性。
Corresponding testing results are compared with the CFD and FEM simulation results in order to validate the methods feasibility.
实验结果与数值模型结果的比较验证了测试方法的可行性。
A 3d FEM numerical simulation of electromagnetic field in the crystallizer with different outer sleeves materials for al melt in low-frequent electromagnetic casting were conducted.
在结晶器外套材料的不同情况下，对低频电磁铸造铝合金过程的电磁场进行了三维有限元数值模拟。
Combined with the complexity of 3d FEM analysis of seepage field of underground project, the simulation of faultage was comprehensively discussed.
结合地下工程渗流场三维有限元分析复杂性的实际，对断层的处理进行积极探讨。
Combined with the complexity of 3d FEM analysis of seepage field of underground project, the simulation of faultage was comprehensively discussed.
结合地下工程渗流场三维有限元分析复杂性的实际，对断层的处理进行积极探讨。
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