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1)  initial stress coefficient
初应力系数
1.
Based on 14 specimen tests of concrete filled square steel tubes(CFST), the effects of the initial stress coefficient, load eccentricity ratio, strength of concrete, ratio of slenderness of test specimens, etc.
在14根方钢管混凝土构件试验的基础上,分析了初应力系数、荷载偏心率、混凝土强度、试件长细比等因素对承载力的影响,给出了钢管初应力对方钢管混凝土压弯构件承载力的影响系数,采用ANSYS有限元分析程序进行了非线性全过程分析。
2.
The parameters such as initial stress coefficient,load eccentricity ratio,strength of concrete,slenderness ratio of test specimens are discussed in detail for the effects on bearing capacity of the members.
报导了14个方钢管混凝土试件的承载力试验结果,对初应力系数、荷载偏心率、混凝土强度、试件长细比等因素对承载力的影响进行了分析,给出了钢管初应力对方钢管混凝土压弯构件承载力的影响系数 k_p,可供设计和施工时的参考。
2)  pre-stress coefficient
钢管初应力系数
3)  initial intermediate principal stress coefficient
初始中主应力系数
1.
Experimental study on effect of initial intermediate principal stress coefficient on dynamic shear modulus and damping ratio of medium-dense fly ash;
初始中主应力系数对中密粉煤灰动模量阻尼比影响的试验研究
4)  stress coefficient
应力系数
1.
Based on the finite element software and elastic-plastic mechanics theory, the stress coefficient of perforated casing with the different bore density, bore diameter, phasing degree was carried out finite element analysis, and the stress distribut.
文章对结构为N80钢级的高密射孔管进行研究,采用有限单元法建立了三维有限元力学模型,根据弹塑性力学理论,借助有限元软件,对不同孔径、孔密及相位角的射孔套管在一定外压情况下沿不同路径的应力系数进行了有限元分析,给出了不同参数下沿不同路径的应力分布情况。
2.
So,a stress coefficient depending on the porosity of medium is proposed to determine the value of internal water pressure in medium and in pore water,respectively.
提出采用取决于岩土介质孔隙率的应力系数来确定隧洞边界上衬砌(围岩)介质和孔隙水分别承担的内水压力值。
5)  initial stress
初应力,初始应力
6)  acoustic-stress coefficient
声应力系数
1.
In order to establish the relationship between acousto-caustics and stress intensity factor under plane stress condition, a new acoustic-stress coefficient-the ratio between acoustic-path difference and stress is defined.
为建立声焦散线与平面应力条件下裂尖应力强度因子的关系,定义了一个新的声应力系数——声程差随应力线性变化的比例系数,该系数的大小既取决于材料常数又取决于耦合介质及声束的传播历程。
补充资料:ANSYS工字梁焊缝初应力例子

建立好模型
…..
/SOLU
!*
ANTYPE,0
/INPUT,'input','txt',
/INPUT,'output1','txt',
!*
ISFILE,READ,1,txt, ,0
SOLVE
=====================
!定义残余应力矩阵
I=1
fy=310e6
!定义单元中心坐标数组,初应力数组
*DIM,EleCenter,ARRAY,NumNode,3,1, , ,
*DIM,EleIS,ARRAY,NumNode,1,1, , ,
*DO,I, 1, NumNode,1
!得到单元中心坐标
*GET,EleCenter(I,1,1),ELEM,I,CENT,X
*GET,EleCenter(I,2,1),ELEM,I,CENT,Y
*GET,EleCenter(I,3,1),ELEM,I,CENT,Z
!焊缝位置在X=1.0 到1.05 之间
*IF,EleCenter(I,1,1),GT,1,THEN
*IF,EleCenter(I,1,1),LT,1.05,THEN
*IF,EleCenter(I,2,1),GT,0.5,THEN
!上翼缘初始应力
EleIS(I,1,1)=-20*fy*EleCenter(I,3,1)**2+0.3*fy
*endif
*IF,EleCenter(I,2,1),LT,0.0,THEN
!下翼缘初始应力
EleIS(I,1,1)=-20*fy*EleCenter(I,3,1)**2+0.3*fy
*endif
!腹板初始应力
*if,EleCenter(I,2,1),GE,0.0,THEN
*IF,ELECENTER(I,2,1),LE,0.5,THEN
EleIS(I,1,1)=4.076*fy*(EleCenter(I,2,1)-0.5)**2
EleIS(I,1,1)=EleIS(I,1,1)-0.719*fy
*IF,EleIS(I,1,1),LT,-0.3*fy,THEN
ELeIS(I,1,1)=-0.3*fy
*ENDIF


*ENDIF
*ENDIF
*ENDIF
*ENDIF
*ENDDO
===============
!输出应力数值
*CFOPEN,'1','txt',' '
*DO,I,1,3840
!*IF,EleIS(I,1,1),ne,0.,then
*VWRITE,'!'
(A)
*VWRITE,'! Stress for element',
(A,F)
*VWRITE,'!'
(A)
*VWRITE,'eis,',I
(A,F)
P=EleIS(I,1,1)
*VWRITE,P,0.,0.,0.,0.,0.
(E,E,E,E,E,E)
!*ENDIF
*ENDDO
*CFCLOS

说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条