UDEC310渗流算例中,有几个命令看不懂
算例
; test of fluid boundary logic
round=0.01
block (ang=15) 0,0 0,10 10,10 10,0
fb rad 20, n=5, rat=1.2
fb k11=0.913e-10 k12=0.492e-10 k22=1.087e-10
fb pp=20e4 pxgrad=1e4
jset 20,0 100,0 0,0 1,0
jset 80,0 100,0 0,0 1,0
del area 1.e-2
jdel
prop mat=1 d=1000 bulk=1e9 shear=5e8
prop jmat=1 jks=1e8 jkn=1e8 jfric 45 jten 1e4 jcoh 1e4
prop jmat=1 azero=1e-4 ares=1e-4 jperm=100.0
fluid dens 1000
set capratio 1.
gen edge 1.
; chan mat 1 jmat 1 cons 1 jcons 2
其中,rad 20, n=5, rat=1.2
azero=1e-4 ares=1e-4 jperm=100.0
这几个参数不明白.