tm1504.docx

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tm1504

finish

/CLEAR

/PREP7

/VIEW,1,,,1

/ANG,1

!

*

ET,1,LINK8!

定义单元类型,具体说明参看李立峰教授图书:

《ANSYS土木工程实例详解》,如有问题可询问:

iCAX@

ET,2,BEAM3

R,1,0.191984,0.00011,!

实常数

R,2,0.191984,0.00012,

R,4,0.91,1.7821,3.6,,,,!

*加劲梁实常数

R,5,19.336,54.324,5.17,0,0,0,

R,6,22.634,95.518,6.348,,,,

R,7,38.472,198.112,6.873,,,,

*DO,I,1,61,1

R,I+7,0.0103775,0.0,!

*定义吊杆实常数

*ENDDO

!

*吊杆和主缆材料特性

mp,ex,1,1.95e8!

弹性模量

mp,prxy,1,0.3!

泊松比

mp,dens,1,78.5!

密度

!

*钢箱梁材料特性

mp,ex,2,2.06e8!

弹性模量

mp,prxy,2,0.3!

泊松比

mp,dens,2,181.476!

密度

!

*混凝土材料特性

mp,ex,3,3.45e7!

弹性模量

mp,prxy,3,0.2!

泊松比

mp,dens,3,0.000265!

密度************(密度有误)*************

!

*

!

*定义数组

*DIM,x,ARRAY,500,1,1,,,!

节点坐标

*DIM,Y,ARRAY,500,1,1,,,

*DIM,xm,ARRAY,500,1,1,,,!

辅助数组

*DIM,Ym,ARRAY,500,1,1,,,

*DIM,S0,ARRAY,20,5,1,,,

*DIM,DSS,ARRAY,61,1,1,,,!

吊杆初应力相关数组

*DIM,DDS0,ARRAY,61,1,1,,,

*DIM,DS0S,ARRAY,61,1,1,,,

*DIM,DYBS,ARRAY,61,1,1,,,

!

*

!

*DEFINITIONOFSOMEPARAMETER!

定义参数

YS=1.7313!

竖曲线参数

SHUR=24402.745

EE=1.9E8!

弹性模量

EA=0.191984!

加劲梁面积

DEA=0.0103775!

主缆面积

QQS=EA*78.5!

边跨加劲梁集度

QQM=EA*78.5!

主跨加劲梁集度

QQD=0.0103775*80!

主缆集度

YSM=-46.257!

矢高点坐标

YMM=-65.6

SHS=70.995!

锚点高差

SHM=0.0

!

*

!

*CONSTRUCTLEFTANDRIGHTCABLENODE(X,Y,0)ANDSTOREINXM(1:

29,101:

129)

!

*

*DO,I,1,3,1

X(I+100)=164+6*(I-1)

*ENDDO

*DO,I,3,27,1

X(I+100)=164+12+4.5*(I-3)

*ENDDO

*DO,I,27,29,1

X(I+100)=164+132-6*(29-I)

*ENDDO

*DO,I,1,29,1

XM(I)=-1*X(130-I)

XM(I+100)=X(I+100)

X(I)=XM(I)

*ENDDO

!

*

!

*

!

*CONSTRUCTMIDDLESPANCABLENODE(X,Y,0)ANDSTOREINXM(29:

101)

!

*

*DO,I,1,3,1

X(28+I)=-164+5.5*(I-1)

XM(28+I)=X(28+I)

*ENDDO

*DO,I,3,71,1

X(28+I)=-164+11+4.5*(I-3)

XM(28+I)=X(28+I)

*ENDDO

*DO,I,71,73,1

X(28+I)=-164+328-5.5*(73-I)

XM(28+I)=X(28+I)

*ENDDO

!

*

!

*ASSUMPTIONS0S-UNSTRAINEDLENGTHOFSIDESPAN,S0M-UNSTRAINEDLENGTHOFMIDDLESPAN

S01M=359.5!

中跨无应力索长迭代区间

S02M=360.0

!

*

!

*NODEOFCABLE

*DO,I,1,129,1

Y(I)=0

N,I,X(I),Y(I),0

*ENDDO

!

*

!

*节点坐标:

FIVESPANSOFDECK

*DO,I,1,21,1

X(129+I)=-366+3.5*(I-1)

Y(129+I)=-69.2-YS-SHUR+SQRT(SHUR*SHUR-X(129+I)**2)

YM(129+I)=Y(129+I)

*ENDDO

*DO,I,1,29,1

X(149+I)=XM(I)

Y(149+I)=-69.2-YS-SHUR+SQRT(SHUR*SHUR-X(149+I)**2)

YM(149+I)=Y(149+I)

*ENDDO

*DO,I,29,101,1

X(149+I)=XM(I)

Y(149+I)=-69.2-YS-SHUR+SQRT(SHUR*SHUR-X(149+I)**2)

YM(149+I)=Y(149+I)

*ENDDO

*DO,I,101,129,1

X(149+I)=XM(I)

Y(149+I)=-69.2-YS-SHUR+SQRT(SHUR*SHUR-X(149+I)**2)

YM(149+I)=Y(149+I)

*ENDDO

*DO,I,1,21,1

X(277+I)=366-70+3.5*(I-1)

Y(277+I)=-69.2-YS-SHUR+SQRT(SHUR*SHUR-X(277+I)**2)

YM(277+I)=Y(277+I)

*ENDDO

!

*

!

*辅助墩节点坐标:

193,394,395,236

X(394)=-34

X(395)=34

XM(394)=X(394)

XM(395)=X(395)

Y(394)=-69.2-YS-SHUR+SQRT(SHUR*SHUR-X(394)**2)

Y(395)=-69.2-YS-SHUR+SQRT(SHUR*SHUR-X(395)**2)

YM(394)=Y(394)

YM(395)=Y(395)

!

*

!

*生成主梁节点

!

*

*DO,I,130,298,1

N,I,X(I),Y(I),0

*ENDDO

*DO,I,394,395,1

N,I,X(I),Y(I),0

*ENDDO

!

*

!

*生成吊杆下吊点

*DO,I,333,345,1

X(I)=-296+12+(I-333)*9

Y(I)=Y(2*I-514)

XM(I)=X(I)

YM(I)=Y(I)

*ENDDO

*DO,I,381,393,1

X(I)=164+12+(I-381)*9

Y(I)=YM(726-I)

XM(I)=X(I)

YM(I)=Y(I)

*ENDDO

*DO,I,346,380,1

X(I)=-164+11+(I-346)*9

Y(I)=Y(2*I-512)

XM(I)=X(I)

YM(I)=Y(I)

*ENDDO

!

*

*DO,I,333,393,1

N,I,X(I),Y(I),0

*ENDDO

!

*

!

*SIDESPANCABLE-ELEMENT

!

*

TYPE,1

MAT,1

REAL,1

ESYS,0

*DO,I,1,28,1

EN,I,I,I+1

EN,I+100,I+100,I+101

*ENDDO

!

*

!

*MIDDLESPANCABLE-ELEMENT

!

*

TYPE,1

MAT,1

REAL,2

ESYS,0

*DO,I,29,100,1

EN,I,I,I+1

*ENDDO

!

*

!

*DECKELEMENT

TYPE,2

MAT,2

REAL,4

ESYS,0

*DO,I,1,76,1

EN,129+I-1,130+I-1,130+I

*ENDDO

*DO,I,78,91,1

EN,129+I-1,130+I-1,130+I

*ENDDO

*DO,I,93,168,1

EN,129+I-1,130+I-1,130+I

*ENDDO

EN,390,394,207

EN,205,206,394

EN,391,221,395

EN,220,395,222

!

*

!

*吊杆单元

TYPE,1

MAT,1

ESYS,0

*DO,I,1,13,1

REAL,I+7

EN,296+I,3+2*(I-1),333+I-1

*ENDDO

*DO,I,1,35,1

REAL,I+20

EN,309+I,31+2*(I-1),346+I-1

*ENDDO

*DO,I,1,13,1

REAL,I+55

EN,344+I,103+2*(I-1),381+I-1

*ENDDO

!

*

!

*TOWERNODEANDELEMENT

*DO,I,1,5

X(299+I-1)=-164

Y(299+I-1)=-27.494/4*(I-1)

X(316+I-1)=164

Y(316+I-1)=-27.494/4*(I-1)

*ENDDO

*DO,I,1,9

X(303+I-1)=-164

Y(303+I-1)=-27.494-46.657/8*(I-1)

X(320+I-1)=164

Y(320+I-1)=-27.494-46.657/8*(I-1)

*ENDDO

*DO,I,1,5

X(311+I-1)=-164

Y(311+I-1)=-27.494-46.657-28.302/4*(I-1)

X(328+I-1)=164

Y(328+I-1)=-27.494-46.657-28.302/4*(I-1)

*ENDDO

*DO,I,299,332,1

N,I,X(I),Y(I),0

*ENDDO

!

*

!

*TOWERSHANG

TYPE,2

MAT,3

REAL,5

ESYS,0

!

*

!

*UPPERTOWER

*DO,I,1,4,1

EN,358+I-1,299+I-1,300+I-1

*ENDDO

*DO,I,1,4,1

EN,374+I-1,316+I-1,317+I-1

*ENDDO

!

*

!

*MIDDLETOWER

REAL,6

*DO,I,1,8,1

EN,362+I-1,303+I-1,304+I-1

*ENDDO

*DO,I,1,8,1

EN,378+I-1,320+I-1,321+I-1

*ENDDO

!

*

!

*BOTTOMTOWER

REAL,7

*DO,I,1,4,1

EN,370+I-1,311+I-1,312+I-1

*ENDDO

*DO,I,1,4,1

EN,386+I-1,328+I-1,329+I-1

*ENDDO

!

*索塔耦合索梁耦合

CP,1,ALL,150,1

CP,5,ALL,278,129

CP,9,UY,29,299

CP,10,UY,101,316

CP,11,UY,178,311

CP,12,UY,250,328

!

*

!

*定义块

ESEL,S,,,1,296,1

ESEL,A,,,358,391,1

CM,KUAI1,ELEM

ALLSEL

!

*

ESEL,S,,,297,357,1

CM,KUAI2,ELEM

ALLSEL

!

*

!

*

!

*------------------------------------------------------------------------------

*DO,NITER,1,8,1!

修正无应力索长循环

*IF,NITER,EQ,1,THEN

ZSAYP=0

*ENDIF

!

*

*DO,YP,1,4,1!

修正预偏量循环

!

*CONSTRUCTLEFTANDRIGHTCABLENODE(X,Y,0)AGAIN

!

*

!

*ASSUMPTIONS0M-UNSTRAINEDMAINSPAN---CALAULATINGAGAIN

S0M=(S01M+S02M)/2.0

!

*===========================================================================

SLS=132-ZSAYP!

计算跨径

SLM=328+2*ZSAYP

X(29)=-164-ZSAYP

X(101)=164+ZSAYP

!

*

!

*ASSUMPTION:

MIDDLESPANHORIZONTALFORCE:

HFM

HF1=0.1

HF2=5000

*DO,I,1,11,1

HFM=(HF1+HF2)/2

CI=-QQM/HFM

A0=SHM*CI/SINH(SLM*CI/2)/2.0

AI=LOG(A0+SQRT(A0**2+1))-SLM*CI/2

BI=-COSH(AI)/CI

SS=(SINH(CI*SLM+AI)-SINH(AI))/CI

DS0=HFM*(SLM+(SINH(2*CI*SLM+2*AI)-SINH(2*AI))/2/CI)/(2*EE*EA)

*IF,(SS-S0M),GT,DS0,THEN!

修正HFM

HF1=HFM

*ENDIF

*IF,(SS-S0M),LT,DS0,THEN

HF2=HFM

*ENDIF

*ENDDO

!

*

YBM=DS0/S0M!

加初始应力

R,2,0.191984,YBM,

!

*

*DO,I,1,73,1!

修正主缆空缆坐标

Y(I+28)=COSH(CI*(164+ZSAYP+X(I+28))+AI)/CI+BI

*ENDDO

!

*

*DO,I,29,101,1

N,I,X(I),-1*Y(I),0

*ENDDO

!

*

!

*ASSUMPTION:

SIDESPANHORIZONTALFORCE:

HFS

HFS=HFM!

塔不受水平力控制边跨索力

BCI=-QQS/HFS

BA0=SHS*BCI/SINH(SLS*BCI/2)/2.0

BAI=LOG(BA0+SQRT(BA0**2+1))-SLS*BCI/2

BBI=-COSH(BAI)/BCI

BSS=(SINH(BCI*SLS+BAI)-SINH(BAI))/BCI

BDS0=HFS*(SLS+(SINH(2*BCI*SLS+2*BAI)-SINH(2*BAI))/2/BCI)/(2*EE*EA)

S0S=BSS+BDS0

!

*

BYBS=BDS0/S0S

R,1,0.191984,BYBS,

!

*

*DO,I,1,29

Y(I+100)=COSH(BCI*(X(I+100)-164-ZSAYP)+BAI)/BCI+BBI

*ENDDO

*DO,I,1,29

Y(I)=Y(130-I)

*ENDDO

!

*

*DO,I,1,29

N,I,X(I),-1*Y(I),0

*ENDDO

*DO,I,101,129

N,I,X(I),-1*Y(I),0

*ENDDO

!

*===========================================================================

EPLOT

FINISH

!

*给定初始顶升量

LDS1=0

LDS2=0

LDS3=0

LDS4=0

!

*

*DO,III,1,20,1!

修正顶升量循环

/SOLU

ANTYPE,0

NLGEOM,1

NROPT,AUTO,,

LUMPM,0

EQSLV,,,0,

PRECISION,0

!

*PIVCHECK,1

SSTIF,ON

TOFFST,0,

AUTOTS,0

NSUBST,20,,,1

KBC,0

/STATUS,SOLU

!

*

ALLSEL

EKILL,ALL

ESEL,S,,,KUAI1

EALIVE,ALL

ESEL,S,LIVE

NSLE,S

NSEL,INVE

D,ALL,ALL,0

ALLSEL

!

*

*IF,NITER,EQ,1,THEN

!

*BOUNDARYCONDITION

d,214,UX,0

d,150,UY,0

d,278,UY,0

d,315,ALL,0

d,332,ALL,0

D,130,UY,0

D,298,UY,0

!

*

!

*APPLYLOAD

F,299,FY,-810!

鞍座

F,316,FY,-810

F,300,FY,-3700!

横系梁

F,317,FY,-3700

F,304,FY,-4037.6

F,321,FY,-4037.6

F,312,FY,-9780

F,329,FY,-9780

F,150,FY,-16000!

压重

F,178,FY,-12000

F,250,FY,-12000

F,278,FY,-16000

*DO,I,3,27,2!

吊杆附属构件重

F,I,FY,-16.9325

*ENDDO

*DO,I,31,99,2

F,I,FY,-16.9325

*ENDDO

*DO,I,103,127,2

F,I,FY,-16.9325

*ENDDO

ACEL,0,1,0,!

加重力

*ENDIF

!

*

D,192,UY,LDS1!

辅助墩处主梁位移

D,394,UY,LDS2

D,395,UY,LDS3

D,236,UY,LDS4

D,164,UY,0

D,264,UY,0

SOLVE

SAVE

FINISH

!

*

/POST1

*GET,DSL1,NODE,192,RF,FY!

顶升力

*GET,DSL2,NODE,394,RF,FY

*GET,DSL3,NODE,395,RF,FY

*GET,DSL4,NODE,236,RF,FY

!

*

FINISH

!

*

/PREP7!

修正吊杆下吊点

*DO,I,1,13,1

X(332+I)=XM(332+I)+UX(150+2*I)

Y(332+I)=YM(332+I)+UY(150+2*I)

!

*!

吊杆初应力,不考虑倾斜影响

DSLS=ABS(X(332+I)-X(2*I+1))

DSHS=ABS(Y(332+I)+Y(2*I+1))

DSS(I)=DSHS

DS0S(I)=DSHS/(1+80*DSHS/EE)

DDS0(I)=DSS(I)-DS0S(I)

!

*

DYBS(I)=DDS0(I)/DS0S(I)

R,I+7,0.0103775,DYBS(I),

!

*

N,332+I,X(332+I),Y(332+I),0

*ENDDO

!

*

!

*

*DO,I,1,35,1

X(345+I)=XM(345+I)+UX(178+2*I)

Y(345+I)=YM(345+I)+UY(178+2*I)

!

*

DSLS=ABS(X(345+I)-X(2*I+29))

DSHS=ABS(Y(345+I)+Y(2*I+29))

DSS(I+13)=DSHS

DS0S(I+13)=DSHS/(1+80*DSHS/EE)

DDS0(I+13)=DSS(I+13)-DS0S(I+13)

!

*

DYBS(I+13)=DDS0(I+13)/DS0S(I+13)

R,I+20,0.0103775,DYBS(I+13),

!

*

N,345+I,X(345+I),Y(345+I),0

*ENDDO

!

*

!

*

*DO,I,1,13,1

X(380+I)=XM(380+I)+UX(248+2*I)

Y(380+I)=YM(380+I)+UY(248+2*I)

!

*

DSLS=ABS(X(380+I)-X(2*I+101))

DSHS=ABS(Y(380+I)+Y(2*I+101))

DSS(I+48)=DSHS

DS0S(I+48)=DSHS/(1+80*DSHS/EE)

DDS0(I+48)=DSS(I+48)-DS0S(I+48)

!

*

DYBS(I+48)=DDS0(I+48)/DS0S(I+48)

R,I+55,0.0103775,DYBS(I+48),

!

*

N,380+I,X(380+I),Y(380+I),0

*ENDDO

FINISH

!

*!

模拟施工计算

/SOLU

ANTYPE,0

!

*

TIME,1!

杀死吊杆,顶升主梁

NLGEOM,1

NROPT,AUTO,,

LUMPM,0

EQSLV,,,0,

PRECISION,0

!

*PIVCHECK,1

SSTIF,ON

TOFFST,0,

AUTOTS,0

NSUBST,20,,,1

KBC,0

/STATUS,SOLU

!

*

ALLSEL

EKILL,ALL

ESEL,S,,,KUAI1

EALIVE,ALL

ESEL,S,LIVE

NSLE,S

NSEL,INVE

D,ALL,ALL,0

ALLSEL

!

*

DDELE,192,UY

DDELE,394,UY

DDELE,395,UY

DDELE,236,UY

!

*

F,192,FY,DSL1

F,394,FY,DSL2

F,395,FY,DSL3

F,236,FY,DSL4

!

*

ALLSEL

SOLVE

SAVE

!

*

TIME,2!

安装吊杆,撤除辅助墩

NSUBST,20,,,1

ALLSEL

ESEL,S,,,KUAI2

EALIVE,ALL

ALLSEL

NSEL,S,,,333,393,1

DDELE,ALL,ALL

ALLSEL

F,192,FY,0

F,394,FY,0

F,395,FY,0

F,236,FY,0

DDELE,164,UY

DDELE,264,UY

*DO,I,1,13,1

CP,16+4*I,ALL,150+2*I,332+I

*ENDDO

*DO,I,1,35,1

CP,68+4*I,ALL,178+2*I,345+I

*ENDDO

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