ANSYS 做时程地震动考虑自重时一直出错？ 20

请问大神，做了一个导管架结构，后面时程地震动并考虑自重的命令流如下，输入一直出错怎么破

/SOLU 

ALLSEL

ANTYPE,TRANS 

TRNOPT,FULL 

TIMINT,OFF

NLGEOM,ON

TIME,1E-8

NSUBST,2

KBC,1

NSEL,S,LOC,Z,-50 

D,ALL,ALL

ALLSEL

ACEL,0,0,9.8

SOLVE

TIMINT,ON

*SET,NT,1000

*SET,DT,0.01

*DIM,X_INPUT,ARRAY,NT,1,1, , ,   

*CREATE,ansuitmp

*VREAD,X_INPUT,'qianan-seis_wave_ew_0.01_10','txt'

(F8.3)  

*END

/INPUT,ansuitmp 

ALPHAD,0.1575

BETAD,2.5389E-03

*DO,I,1,NT

TIME,I*DT

ACEL,X_INPUT(I),0,0 

KBC,1

NSUBST,1

OUTPR,ALL,NONE

OUTRES,ALL,NONE

OUTRES,NSOL,ALL 

SOLVE 

*ENDDO 

FINISH