参数化建模中出现的问题

本人初始接触参数化建模，遇到下面两个问题，期望达人解答。
第一个：
运行优化时，出现警告提示：
*** WARNING *** CP = 70.516 TIME= 12:48:11
Unknown parameter name= _Z1. A value of 7.888609052E-31 will be used.
*** WARNING *** CP = 70.547 TIME= 12:48:11
Unknown parameter name= _Z2. A value of 7.888609052E-31 will be used.
*** WARNING *** CP = 70.578 TIME= 12:48:11
Unknown parameter name= _Z3. A value of 7.888609052E-31 will be used.
input文件的内容：
/BATCH
! /COM,ANSYS RELEASE 9.0 UP20041104 18:56:21 03/17/2008
/input,menust,tmp,'',,,,,,,,,,,,,,,,1
! /GRA,POWER
! /GST,ON
! /PLO,INFO,3
! /GRO,CURL,ON
! /CPLANE,1
! /REPLOT,RESIZE
WPSTYLE,,,,,,,,0
/FILNAME,rotdisk,0
*SET,pi,3.142
*SET,hub_ri,4
*SET,hub_w,0.6
*SET,hub_ro,hub_ri+hub_w
*SET,hub_ht,1.6
*SET,rim_ro,10
*SET,rim_w,0.4
*SET,rim_ri,rim_ro-rim_w
*SET,rim_ht,0.5
*SET,thetahub,90
*SET,thetarim,90
*SET,xmid,(rim_ri-hub_ro)/2
*SET,ymid,(hub_ht+rim_ht)/2
/PREP7
BLC4,hub_ri,0,hub_w,hub_ht
BLC4,rim_ri,0,rim_w,rim_ht
K,10,hub_ro+xmid,ymid,,
CSYS,1
FLST,3,3,3
FITEM,3,3
FITEM,3,10
FITEM,3,8
BSPLIN, ,P51X
LDELE, 9
! /PNUM,KP,1
! /PNUM,LINE,0
! /PNUM,AREA,0
! /PNUM,VOLU,0
! /PNUM,NODE,0
! /PNUM,TABN,0
! /PNUM,SVAL,0
! /NUMBER,0
!*
! /PNUM,ELEM,0
/REPLOT
!*
! KPLOT
FLST,3,3,3
FITEM,3,3
FITEM,3,10
FITEM,3,8
BSPLIN, ,P51X, , , , ,1,90+thetahub,,1,90-thetarim,,
CSYS,0
FLST,2,4,3
FITEM,2,3
FITEM,2,2
FITEM,2,5
FITEM,2,8
A,P51X
! /DIST,1,0.924021086472,1
! /REP,FAST
! /DIST,1,0.924021086472,1
! /REP,FAST
! /DIST,1,0.924021086472,1
! /REP,FAST
! /DIST,1,1.08222638492,1
! /REP,FAST
! /DIST,1,1.08222638492,1
! /REP,FAST
! /DIST,1,1.08222638492,1
! /REP,FAST
! /DIST,1,1.08222638492,1
! /REP,FAST
! /DIST,1,1.08222638492,1
! /REP,FAST
! SAVE, rotdisk,db,
!*
ET,1,PLANE82
!*
KEYOPT,1,3,1
KEYOPT,1,5,0
KEYOPT,1,6,0
!*
!*
MPTEMP,,,,,,,,
MPTEMP,1,0
MPDATA,EX,1,,30e6
MPDATA,PRXY,1,,0.3
MPTEMP,,,,,,,,
MPTEMP,1,0
MPDATA,DENS,1,,7.2e-4
SMRT,6
SMRT,5
SMRT,4
SMRT,3
MSHAPE,0,2D
MSHKEY,0
!*
FLST,5,3,5,ORDE,2
FITEM,5,1
FITEM,5,-3
CM,_Y,AREA
ASEL, , , ,P51X
CM,_Y1,AREA
CHKMSH,'AREA'
CMSEL,S,_Y
!*
AMESH,_Y1
!*
CMDELE,_Y
CMDELE,_Y1
CMDELE,_Y2
!*
! SAVE, rotdisk,db,
FINISH
/SOL
!*
ANTYPE,0
!*
!*
NLGEOM,0
NROPT,AUTO, ,
LUMPM,0
EQSLV,PCG,1e-5,0,
PRECISION,0
MSAVE,0
PIVCHECK,1
PSTRES,ON
TOFFST,0,
!*
! LPLOT
FLST,2,3,4,ORDE,3
FITEM,2,1
FITEM,2,5
FITEM,2,10
FLST,2,3,4,ORDE,3
FITEM,2,1
FITEM,2,5
FITEM,2,10
DL,P51X, ,SYMM
*SET,rpm,7500
*SET,w,2*pi*rpm/60
OMEGA,0,w,0,0
! /STATUS,SOLU
SOLVE
FINISH
/POST1
!*
! /EFACET,1
! PLNSOL, S,EQV, 0,1.0
!*
NSORT,S,EQV
*GET,smax,SORT, ,MAX
*GET,nelem,ELEM,,COUNT, , , ,
AVPRIN,0, ,
ETABLE,eseqv,S,EQV
!*
*DIM,sarray,ARRAY,nelem,1,1, , ,
!*
*VGET,sarray(1),ELEM,1,ETAB,ESEQV, ,2
*VSCFUN,sdev,STDV,sarray(1)
! SAVE, rotdisk,db,
FINISH
/ASSIGN,RST,'temp','rst',' '
/FTYPE,DSUB,EXT
/FDELE,DSUB,KEEP
!*
/SOLU
!*
ANTYPE,2
!*
MSAVE,0
!*
MODOPT,LANB,3
EQSLV,SPAR
MXPAND,3, , ,0
LUMPM,0
PSTRES,1
!*
MODOPT,LANB,3,0,0, ,OFF
! LPLOT
FLST,2,10,4,ORDE,2
FITEM,2,1
FITEM,2,-10
DLDELE,P51X,ALL
FLST,2,3,4,ORDE,3
FITEM,2,1
FITEM,2,5
FITEM,2,10
DL,P51X, ,ASYM
! SAVE, rotdisk,db,
! /STATUS,SOLU
SOLVE
*get,freq1,mode,1,freq
*get,freq2,mode,2,freq
*get,freq3,mode,3,freq
FINISH
/ASSIGN,RST,'temp','rst',' '
/FTYPE,DSUB,EXT
/FDELE,DSUB,KEEP
!*
! LGWRITE,'rotdisk','lgw','D:\ANSYS9./?\',COMMENT
第二个：
在input过程中，出现警告：
*** WARNING *** CP = 32.766 TIME= 11:56:08
User Interface mode is already on.
Command ignored.
文件内容：
/BATCH
! /COM,ANSYS RELEASE 9.0 UP20041104 08:08:14 03/20/2008
/input,menust,tmp,'',,,,,,,,,,,,,,,,1
! /GRA,POWER
! /GST,ON
! /PLO,INFO,3
! /GRO,CURL,ON
! /CPLANE,1
! /REPLOT,RESIZE
WPSTYLE,,,,,,,,0
*afun,deg
*SET,inrad,200*cos(30)-20
*SET,t1,30
*SET,fil,10
/PREP7
CYL4,-200,0,inrad,-30,inrad+t1,30
CYL4,200*cos(60),200*sin(60),inrad,-90,inrad+t1,-150
CYL4,200*cos(60),200*sin(-60),inrad,90,inrad+t1,150
FLST,2,3,5,ORDE,2
FITEM,2,1
FITEM,2,-3
AADD,P51X
ADELE, 4
! LPLOT
! SAVE, file,db,
FINISH
! /EXIT,ALL
! /COM,ANSYS RELEASE 9.0 UP20041104 08:20:52 03/20/2008
/PREP7
!*
LFILLT,22,23,fil, ,
!*
LFILLT,22,24,fil, ,
!*
LFILLT,24,23,fil, ,
! SAVE, file,db,
wprot,0,90,0
FLST,2,18,4,ORDE,6
FITEM,2,1
FITEM,2,-4
FITEM,2,7
FITEM,2,11
FITEM,2,13
FITEM,2,-24
LSBW,P51X
wprot,0,0,60
FLST,2,22,4,ORDE,8
FITEM,2,1
FITEM,2,-2
FITEM,2,5
FITEM,2,-18
FITEM,2,20
FITEM,2,-21
FITEM,2,23
FITEM,2,-26
LSBW,P51X
WPSTYLE,,,,,,,,0
csys,1
lsel,s,loc,y,60,360
ldele,all,,,1
lsel,all
csys,0
! lplot
LSTR, 25, 23
LSTR, 28, 27
FLST,2,2,4,ORDE,2
FITEM,2,9
FITEM,2,21
LCOMB,P51X, ,0
FLST,2,6,4
FITEM,2,30
FITEM,2,26
FITEM,2,1
FITEM,2,9
FITEM,2,4
FITEM,2,2
AL,P51X
! SAVE, file,db,
!*
ET,1,PLANE82
!*
KEYOPT,1,3,3
KEYOPT,1,5,0
KEYOPT,1,6,0
!*
!*
R,1,10,
!*
!*
MPTEMP,,,,,,,,
MPTEMP,1,0
MPDATA,EX,1,,2.07e5
MPDATA,PRXY,1,,0.3
SMRT,6
SMRT,3
MSHAPE,0,2D
MSHKEY,0
!*
CM,_Y,AREA
ASEL, , , , 1
CM,_Y1,AREA
CHKMSH,'AREA'
CMSEL,S,_Y
!*
AMESH,_Y1
!*
CMDELE,_Y
CMDELE,_Y1
CMDELE,_Y2
!*
! SAVE, file,db,
FINISH
/SOL
FLST,2,2,4,ORDE,2
FITEM,2,1
FITEM,2,-2
DL,P51X, ,SYMM
FLST,2,1,4,ORDE,1
FITEM,2,9
/GO
!*
SFL,P51X,PRES,-50,
! LPLOT
! SAVE, file,db,
eqslv,pcg
! SAVE, file,db,
solve
FINISH
/POST1
!*
! /EFACET,1
PLNSOL, S,EQV, 0,1.0
!*
! /DSCALE,1,OFF
/REPLOT
!*
!*
!*
!*
! /EXPAND,6,POLAR,HALF,,60,, ,RECT,FULL,,,, ,RECT,FULL,,,,
/REPLOT
!*
/expand
nsort,s,eqv
nsort,s,eqv
*get,smax,sort,,max
etable,evol,volu
ssum
*get,vtot,ssum,,item,evol
finish
! LGWRITE,'hexplate','lgw','D:\ANSYS9./?\',COMMENT