在较为温和的条件下证明了方法的全局收敛性,及罚参数只需进行有限次调整。
It is shown that this method possesses global convergence and the penalty parameters are adjusted only finite times under mild conditions.
采用整体有限元模型计算与设计优化相结合的方法,可以在满足各项设计要求的条件下找到最优预应力设计方案。
The optimized design scheme could be found out to content requirements of design by a method combining calculation of finite element model and optimized design.
计算表明,这种计算方法与有限元相比,在保证具有相似精度的条件下能够节省CPU时间和数据处理工作量。
The results showed that this technique could significantly save CPU time and data preparations in the condition of having a similar accuracy compared with the finite element method.
但是,由于条件有限,本课题没有采取这种方法。
However, due to limited conditions, the subjects did not take this method.
比较详细地研究了在有限投影角条件下图像重建问题,给出了两种有实际意义的外推数据方法。
We study the problem of image reconstruction more careful-ly, under the condition of limited projection angles, and give two kinds of extrapolated da-ta methods with practical sense.
其次,分析了新方法的最优停时条件,证明了其有限停时的存在性。
Then analyse the making stopping conditions and demonstrate the existence of limited stopping time.
采用轴对称模型和有限元方法,模拟了大秦线长大坡道循环制动条件下货车车轮温度和应力场,结果表明车轮高应力区出现在辐板上,现行制动条件下车轮强度满足使用要求。
The temperature and stress field of wagon wheel under the condition of long ramp way cycle braking in Daqin line have been simulated by using FEM and axial symmetry model.
介绍门型架有限元模型的建模方法、边界条件的选择等。
The modeling method of the portal framed structure and the boundary condition were described.
目的采用有限元方法,预测寰椎在不同位置条件下寰椎应力的分布,并以此推断可能出现的寰椎骨折类型。
Objective to predict the stress distribution of atlas under different pre-trauma postures by finite element method, and to deduce the sites of atlas fracture accordingly.
本文用非线性有限元方法研究了准静态条件下纵向和横向加强筋对加筋方形管压溃破坏的影响。
The effects of longitudinal and transverse stiffeners on quasi-static crushing of stiffened square tubes are studied with the nonlinear finite element method.
用有限元数值计算的方法得出了一定条件下螺旋槽上游泵送机械密封端面间液体的压力分布、开启力及上游泵送量等。
The two dimensional fluid Reynolds equations were established using the finite element method. The pressure distribution, opening force and upstream pumping rate of spiral groove were obtained.
BERMAN修正方法基于无阻尼系统的模态正交条件,利用实验模态矩阵和特征值对有限元理论模型进行修正。
BERMAN updating arithmetic makes use of experimental model matrix and eigenvalue to modify the finite element academic model, based on the model orthographical condition of non-damping system.
在此基础上采用有限单元方法数值求解模型,并运用热焓法处理凝固潜热,得到了一定工艺条件下的稳态凝固温度场。
Using enthalpy to deal with latent heat of solidification the numerical model is solved by finite element method, and a steady temperature field can be obtained under a certain condition.
用有限元方法对平面应力条件下弹塑性材料的裂纹尖端应力应变场进行了计算。
The crack tip stress-strain field of elastic-plastic materials are analysed by finite element method in the plane stress condition.
该方法具有限制条件少,应用灵活方便等特点。
This method has the characters of few limited conditions and application easily.
方法考虑材料非线性,大变形和接触条件建立有限元模型,采用有限元法进行应力分析。
Method the Finite Element Method was employed to perform the stress analysis on this valve, which included the material nonlinearity, large deformation and the contact condition.
最小二乘混合元方法可以避免标准混合元格式中的限制条件,从而可以在更广泛的范围内选择有限元空空间。
A mixed LSM could skip the conditions which are required for a standard mixed method, so we could choose appropriate finite element Spaces more freely.
在有限元模型的建立过程中,不但考虑了边界条件的处理与简化,还考虑了骨架结构以及作用在其上的载荷的处理方法。
The FEM model also involves treatments of boundary conditions, simplified treatment of some skeleton parts and deals with the fixed weight and loading that is put on the structure.
该方法可以提高渐开线齿轮造型精度与效率,从而为渐开线齿轮的有限元分析提供了必要条件。
This approach can improve modeling precision and efficiency of producing involute gear, and provide necessary condition for finite element method analysis of involute gear.
进一步和有限元法相结合,得到了能够分析具有任意边界条件和几何形状的复合材料叠层厚板的半解析数值方法即哈密顿单元方法。
Combined with the finite element method, the semi-analytical numerical method presented can be used to analyze thick composite laminates with arbitrary boundary conditions and geometrical shapes.
以ZL 15装载机为例给出了有限元模型的建立方法和边界条件的施加方法。
ZL15 wheel loader was taken as an example to illustrate the methods for establishing finite element model and applying boundary conditions.
采用有限元计算和试验数据建立的回归模型方法来研究一般受损条件下轴心受压圆钢管杆件受力的全过程。
This paper studies the whole behavior of dent-damaged tubular members with the help of a regression model, which was developed from published test results and finite element analysis.
该方法可以在搜索资源有限的条件下优化监测资源的分配方案,使成功探测到事故性污染源的概率最大。
With this method, an optimal search plan can be obtained to maximize the probability of detecting the source of water pollution within finite time.
能处理任意形状及复杂边界条件的有限元素法可作为求解该问题的适合方法。
Due to its ability to process boundary conditions of arbitrary shape and complexity, fi-nite element method (FEM) may be used to solve this problem.
在给出非线性有限差分格式的稳定性条件时,所使用方法非常简单和有效。
The approach used is extraordinary simpleness and availability in gaining the stability condition of the scheme.
本论文对目前用于边坡稳定性评价的主要方法进行了研究对比后,提出了考虑孔隙水压力条件下的边坡有限元塑性极限分析法。
Appraising the current methods of slope stability, the paper puts forward Finite Element Plastic Limit Analysis of the slope stability subjected to pore water pressure.
本文采用有限元素方法在螺纹面无摩擦力的条件下对过盈配合的螺栓、螺母进行了分析计算。
In this paper, we give an analysis for friction-free interference fit bolt using the finite element method.
进一步,通过有限元数值模拟方法计算了界面不同位置的热循环曲线,进行了不同热输入条件下反应层厚度的预测。
Further, according to thermal cycle calculated by the finite element method, the thickness of reaction layer was predicted in the case of different heat input.
提出了一种基于有限体积法预测非线性边界条件下多层多孔介质内的传热传湿过程的数值分析方法。
A numerical approach based on finite volume method is proposed to study the procedure of coupled heat and moisture transfer in multilayered porous media under nonlinear boundary conditions.
具体推导了柱坐标下的有限元列式,并给出了周期对称边界条件的处理方法。
FEM formula in the cylindrical coordinates system is derived and the methods of dealing with the periodic symmetric boundary coordinates are given.
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