请求指教关于silvaco软件的问题

撩拨懵懂

go atlas
mesh
x.m l=0.0 spacing=1.0
x.m l=4.0 spacing=1.0
x.m l=8.0 spacing=1.0
x.m l=10.0 spacing=1.0
x.m l=11.0 spacing=0.2
x.m l=19.0 spacing=0.2
x.m l=20.0 spacing=1.0
x.m l=22.0 spacing=1.0
x.m l=26.0 spacing=1.0
x.m l=30.0 spacing=1.0
y.m l=-0.5 spacing=1.0
y.m l=0.0 spacing=0.2
y.m l=0.5 spacing=0.2
y.m l=1.5 spacing=1.0
y.m l=5.0 spacing=1.0
region num=1 material=silicon x.min=0.0 x.max=30.0 y.min=0.0 y.max=5.0
region num=2 material=oxide x.min=0.0 x.max=30.0 y.min=-0.5 y.max=0.0
electrode name=anode x.min=15 length=1 y.min=-0.5 y.max=0
electrode name=cathode x.min=5 length=1 y.min=-0.5 y.max=0
#....p-epi doping
doping uniform p.type conc=1.21e15 x.min=0.0 x.max=30.0 y.min=0.0 y.max=5.0
#....dnw doping
doping uniform n.type conc=1.28e17 x.min=4 x.max=26 y.min=0.0 y.max=2.0
#....pw doping
doping uniform p.type conc=1e17 x.min=8 x.max=11 y.min=0.0 y.max=0.5
doping uniform p.type conc=1e17 x.min=19 x.max=22 y.min=0.0 y.max=0.5
#....p+ doping
doping uniform p.type conc=5e19 x.min=10 x.max=20 y.min=0.0 y.max=0.15
save outf=diode1-01.str
model conmob fldmob srh optr auger bgn
impact selb
method newton trap maxtrap=10
contact name=anode
solve init
log outf=diode1-IV.log
solve vanode=-0.0 vstep=-0.2 vfinal=-15.0  
vstep=-0.5 vfinal=-17.0 name=anode
save outf=diode1-IV.str
tonyplot diode1-IV.str
tonyplot diode1-IV.log
quit
这是本人编写的代码，想要仿真二极管的击穿特性  但是曲线图怎么也跑不出来 一直显示unknown file type .还想问下那个电极定义对吗，初学菜鸟， 实在是山穷水尽  还请指教