!aus dem Forum von ChristophN 
finish
/clear
*abbr,expansion,/input,expansion,inp


a=1
b=a/2
/prep7
rectng,0,a,0,b
adele,all
ldele,2
spline,2,3,,,,,-1,-1,,-1,1,,
al,all

!---Vernetzung----
et,1,13,2,,1
mp,kxx,1,42

esize,,10
amesh,all

!----Randbedingung--
nsel,s,loc,x,0
d,all,temp,20
nsel,s,loc,x,a,a*2
d,all,temp,100

allsel
!------Lösung----
/solu
solve
!----Auswertung----
/post1
/plopts,minm,0
plns,temp

!----Expansion-------

!/expand,27,axis,full,,10

etable,tempe,temp
pletab,tempe,avg

/expand,25,axis,,,10,,2,rect,half,,0.00001

/repl