介绍有限元等效应力法在拱坝设计中的运用实例。
An example of the finite element equivalent stress method in engineering design practice is described.
进一步针对轴对称问题,引入等效应变和等效应力。
The effective strain and effective stress are introduced under the condition of axial symmetry.
椎弓根和椎弓峡部在压力和后伸负荷下等效应力较高。
Higher equivalent stress was found when compression and extension loadings were applied to the pedicle of vertebral arch and interarticularis.
定义了便于实际应用的荷载效应比和等效应力换算系数。
Moreover the load effect ratio and conversion coefficient of equivalent stress is defined for practical application.
现文利用等效应力建立了连续油管的疲劳寿命估计模型;
Based on the equivalent stress formula of the coiled tubing, the life prediction model was put forward and a semi-empiric formula for prediction …
在频域内分别用等效应力法和等效窄带法计算了累积损伤。
The accumulated fatigue damage was calculated in frequency domain by equivalent stress method and equivalent narrow band method respectively.
详细分析了孔眼壁附近的等效应力随牙齿压入深度的变化关系。
The variation of equivalent stress near the hole wall with the depth of the teeth pressed is analyzed.
通过比较等效应力应变值及速度曲线,得出了最佳的浇口方案。
The optimal gate project have been found out by comparing the equivalent stress, strain and the graph of speed.
针对重力坝建基面角缘应力问题提出了非线性等效应力的概念。
The concept of nonlinear equivalent stress is proposed in this paper to solve the problem of corner stress of gravity dam near the base surface.
详细地分析了孔眼壁附近的等效应力随牙齿压入深度的变化关系。
The paper analyzed the equivalent stresses of the hole wall varied with the inserted depth of tooth.
针对管路连接件等轴对称形式的构件,引入等效应力和等效应变。
Furthermore, effective strain and effective stress are introduced into the study of pipeline connection assemblies under the condition of axial symmetry.
本文对有限元内力法求解拱坝等效应力分析方法进行了进一步改进。
The finite element internal force method for calculating arch dam equivalent stress is improved.
提出了依据宽带随机谱功率密度函数求解等效应力幅的半解析公式。
The semi-analytical solution for evaluating ESR from spectral density function of wide-band random loading is presented.
结果表明弯曲过渡段外弧前部和矫直段内弧后部等效应力值在各自区域内最大。
The results show that outer side of the slab at bending transition zone and inner side of the slab at straightening zone have maximum equivalent stress.
通过与结构力学简化方法和有限元等效应力法的比较,验证了该方法的可行性。
Thmugh the comparison with both the simplified method of structural mechanics and the finite element equivalent stress method, the feasibility of the method is verified.
文章介绍了传统的用裂尖塑性修正求解平面I型裂纹等效应力强度因子的方法。
This paper presents a numerical extrapolated method for calculating the effect stress intensity factor of 2-d Mode I crack.
系统地分析了刀具转速和悬伸长度对立铣刀径向位移、最大等效应力的影响规律。
At the same time, the influence laws of the rotational speed and suspended stretch of the tools on the radial displacement and the maximum equivalent stress have been investigated in detail.
结果表明,采用改进结构后,静态等效应力和动应力均较改进前减少50%左右。
The result shows that the static equivalent stress and dynamic stress are both reduced by 50% or so after the structure being improved.
地面支承架和大反力支承架在极限荷载作用下的最大等效应力均小于材料的屈服强度。
The most equivalent stress of the ground supporting frame and the large reaction wall under the action of the ultimate load was less than the yield strength.
有限元分析表明,开孔圆柱壳与其相应的平板模型在开孔附近的等效应力分布非常相似。
The similarity between equivalent stress distribution around the holes in cylindrical shell and its plate model is shown through finite element analysis.
最大刀具等效应力出现在前刀面上切削刃的周围,工件上最大等效应力出现在第一变形区。
The maximum tool effective stress is located in the flank face near cutting edge and the shear deformation zone on the workpiece.
用不同的简单应力状态下的应力-应变试验曲线,可以得到不同的广义等效应力-应变关系。
Using experimental stress-strain curves in various simple stress states, generalized effective stress-strain formulae may be derived correspondingly in various forms.
计算结果表明,等效应力强度因子与发动机点火顺序密切相关,其峰值随裂纹深度的增加而增大。
The numerical simulation results show that the equivalent stress intensity factors KIeq relates with the engine firing order, their peak value rises while the crack depth increases.
重力坝算例说明,2阶等效应力具有一定的网格稳定性,适合在重力坝工程中比较局部角缘应力。
The case study of a gravity dam shows that the 2-order equivalent stress is somewhat mesh independent, and suitable to be used to evaluate the corner stress of gravity DAMS.
根据不同荷载工况,进行加筋地基的非线性静力分析,绘制相应于各级荷载下的竖向沉降、等效应力等图形。
According to different load levels, the curves of settlement and equivalent stress distribution are drawn through nonlinear static analysis of reinforced foundation.
针对涡轮叶片处于复杂应力状态的情况,分别采用四种不同的等效应力合成准则参照对比,探索其合成方法。
We find the turbine blade is on the complicated stress status, so four different rules for achieving equivalent stress are used to contrast.
发生塑性剪断时,危险点位于应力场中等效应力取极大值处,断裂方向均为危险点处最大剪应力作用面方向。
Accordingly, the fracture direction is in the direction of the dangerous points where the maximum shear stress action face.
优化结果表明,优化后箱体最大变形量减小了15%,最大等效应力降低了22.5%,提高箱体整体性能。
Optimization results show that the optimized box reduces the amount of maximum deformation of 15%, the maximal effect force is reduced by 22.5%, to improve the overall performance box.
由此确定了不同材料在不同环境溶液中的临界裂纹尺寸,得到了气瓶工作压力及等效应力与临界裂纹尺寸的关系曲线。
The critical crack sizes of different materials in H_2S environment were thus figured out, and the curves with working pressures and equivalent stress to critical crack size were plotted.
由此确定了不同材料在不同环境溶液中的临界裂纹尺寸,得到了气瓶工作压力及等效应力与临界裂纹尺寸的关系曲线。
The critical crack sizes of different materials in H_2S environment were thus figured out, and the curves with working pressures and equivalent stress to critical crack size were plotted.
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