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1)  double slit
双缝
1.
In this paper,the diffraction and the interference of electrons from a double slit and a multi-slit have been analyzed by quantum theory, and the results are in keeping with light s.
运用量子理论分析了电子双缝、多缝的衍射、干涉,与光的双缝、多缝的衍射、干涉完全一致。
2)  double-welded seams
双焊缝
3)  two-layer anastomosis
双层缝合
1.
[Methods] 24 New Zealand rabbits were randomly divided into A group (single-layer anastomosis group, 12 rabbits) and B group (two-layer anastomosis, 12 rabbits), which were evenly matched according to sex, weight.
其中A组行单层间断缝合,B组行双层缝合(胃肠的端端吻合),并于术后2、4、7d作吻合口的内径,压力测试实验及光镜、电镜、免疫组化切片观察新生肉芽组织的生成情况。
4)  two injection
双缝射流
5)  double-slit interference
双缝干涉
1.
Theoretical analysis of light distance difference in double-slit interference;
双缝干涉中光程差问题的理论分析
2.
Discuss of Talbot Effect Basing on Young′s Double-slit Interference;
利用杨氏双缝干涉讨论Talbot效应
3.
Influence of light-source-size on light intensity distribution of double-slit interference;
光源线度对双缝干涉光强分布的影响
6)  duplex weldments
双相焊缝
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