初始应力

FLAC~（3D）分析中的初始应力场生成及在大型地下洞室群计算中的应用

Improvement of the generation of the initial stress field by using flac ~ ( 3d ) and application in a huge underground cavern group

文采用ANSYS／LS-DYNA动力有限元软件模拟了具有初始应力情况下的地下工程中地震波在弹塑性性介质中的传播过程，分析了该条件下的地震波衰减规律。

Transmission process of seismic wave in the underground engineering with initial stress was simulated and the law of seismic wave attenuation was analyzed in the elastic - plastic media by using the software ANSYS / LS - DYNA .

采用电解铜、电解锰、电解锌、工业纯铝为原料，熔制了不同成分的MnCu系合金及CuZnAl合金，并测试了其在不同初始应力下的减振能力。

Mn-Cu and Cu-Zn-Al alloys of varios compositions were prepared with electrolytic copper , manganese and zinc and industrial pure aluminium . Their damping capacity was measured under different original stresses .

随着初始应力σimp的增加，增加，裂纹稳定扩展时间下降。

The of test materials increased and the time of stable propagation of SC-crack decreased with initial stress increased .

利用Mindlin给出的、半无限空间重力隧洞初始应力场下的完整应力解分析了洞室周边的应力分布规律，用数值方法计算出了最大压应力的位置；

Utilizing the complete Mindlin 's stress solution of the gravity tunnel , the stress distribution around the periphery of tunnel and the maximum compressive stress are analyzed numerically .

BCC金属纳米丝由于比表面积更大，拉伸屈服阶段比FCC金属更明显，初始应力更高，表面效应对初始弹性模量的软化作用更大。

Analysis results show that BCC metal has a longer yield process and higher initial stress than FCC metal , and the soften effect on initial elastic modulus is more obvious in BCC metals because of its higher surface ratio .

本文研究初始应力对碳纳米管在极高频率（大于1THz）下横波传播的影响。

The influences of initial stress on the vibration and transverse wave propagation in carbon nanotubes under ultrahigh frequency ( above 1THz ) were investigated .

表面微机械工艺中，薄膜的光学常数、初始应力及其梯度等光学和机械性能对MOEMS器件有着至关重要的作用。

The main contents in this paper are as follows : The optical and mechanical properties of thin films , such as optical constants , residual stress and stress gradient are vital for the MOEMS devices in surface micromachining technology .

本文在确定了厂房区的初始应力场和边界条件的基础上，应用ADINA自动动态增量非线性有限元程序对思林水电站地下洞室群建立了平面弹塑性有限元计算模型。

This paper has got the initial stress field and boundary conditions . On this basis , the overall planar elastic-plastic finite element model of the underground caverns was established by ADINA ( a finite element program for automatic dynamic incremental nonlinear analysis ) .

岩体初始应力实测值的各向异性球壳模型解析

Analysis on initial rock stress measurements by orthotropic spherical shell model

煤系地层岩体初始应力场的分析与估算

Analysis and Estimate of In-situ Stress Field In Coal Measures Strata

此初始应力对钢管混凝土柱的承载力有影响。

This initial stress influences the load carrying capacity of column .

原位岩体强度与初始应力状态的关系

Relations between in situ rock mass strength and primary earth stress condition

利用激光光热技术测量材料初始应力

Using Laser Photothermal Technique Measurement the Initial Stress of Material

上海软土的初始应力状态的影响研究

Study on Influence of Initial Stress State on Soft Clay in Shanghai

岩体开挖过程中初始应力的动态卸荷效应研究

Study on effects of dynamic unloading on initial stress during rock excavation

用磁测法测定龙门起重机钢结构初始应力

Determining the Initial Stress in Gantry Crane Steel Structure by Magnetic Method

各向异性初始应力状态下圆柱孔扩张理论弹塑性分析

Elastoplastic analysis of cylindrical cavity expansion with anisotropic initial stress

螺旋形种植体骨界面初始应力的三维有限元分析

Three-dimensional finite element analysis of initial stress around screw implant

初始应力的回归与三维拟合

Regression analysis and 3 D fitting of initial stress

基于遗传算法的岩体初始应力场反演

Inversion procedure of initial stress fields in rock masses based on genetic algorithm

中山大桥钢管初始应力稳定计算分析

The analysis of initial stress about stability and bearing capacity of Zhongshan Bridge

目的：分析螺旋形种植体植入下颌骨后骨界面初始应力的分布。

Aim : to analyze the distribution of initial stress around screw implant .

利用初始应力钢管混凝土的本构关系，分析钢管混凝土拱桥稳定承载力影响程度。

The results show initial stress reduces stability and bearing capacity of concrete-filled st.

建立初始应力场回归模型，以回归精度为目标函数，优化基本因素组合。

The model for the 3D Initial Geo - stress Field is build .

薄壁冲压件初始应力对焊接热裂纹敏感性影响

Influence of initial stress of thin pressing parts on welding hot cracking susceptivity

初始应力对缝槽卸压效果影响的数值分析

Numerical Analysis of the Pressure Relief Effect on Slot at Different Initial Stresses

巷道围岩初始应力场和弹性模量的区间反演方法

Interval back analysis on initial stresses and elastic modulus of surrounding rocks of tunnels

初始应力场对爆破效果的影响

The influence of initial stress field on Blasting

电弧气刨对板材初始应力场的影响

Influence of air-arc cutting on initial stress fields