关于beam188模拟蠕变的资料

fini
/cle
/fil,exam0610
/COM, Structural
/prep7
ET,1,BEAM188
SECTYPE, 1, BEAM, RECT, , 0
SECOFFSET, CENT
SECDATA,0.1,0.1,0,0,0,0,0,0,0,0
tb,creep,1,1,4,6
tbdata,1,1.614e-13,1,-0.786,0
mp,ex,1,3.65e10
mp,nuxy,1,0.2

TYPE, 1
MAT, 1
SECNUM, 1

n,1,
n,2,,0.25
n,3,,0.5
n,4,,0.75
n,5,,1.0
n,10,0.2,0.5
e,1,2,10
e,2,3,10
e,3,4,10
e,4,5,10
fini
/solu
lscl,all
time,360
deltim,1,1,30
!NSUBST,36,0,0
outres,all,all
rate,1
!ARCLEN,1,30,0.0001
AUTOTS,-1.0
kbc,1
D,1, , , , , ,ALL, , , , ,
F,5,FY,-5.2e5
alls
solve

/POST26       !显示杆件收缩的时程曲线
FILE
FILE,'exam0610','rst','.'
/UI,COLL,1
NUMVAR,200
SOLU,191,NCMIT
STORE,MERGE
FILLDATA,191,,,,1,1
REALVAR,191,191
!*
NSOL,2,5,U,Y, UY_2
STORE,MERGE
XVAR,1
PLVAR,2, :lol:

看看了！！！！！！！！！！！！

请问您一下，TBDATA中的参数是如何确定的呢？