n
title Structure_dynamic_analysis_lakewater
config dyn
sel pile id=1 beg 0 0 0 end 0 0 1
sel pile prop dens 2400 &
Emod 1.0e10 Nu 0.3 XCArea 0.3 &
XCJ 0.16375 XCIy 0.00625 XCIz 0.01575 &
Per 2.8 &
CS_sK 1.3e11 CS_sCoh 0.0 CS_sFric 10.0 &
CS_nK 1.3e11 CS_nCoh 0.0 CS_nFric 0.0 CS_nGap off
def f1
whilestepping
f0=10000*sin(10*dytime)
np = nd_head
loop while np # null
if nd_pos(np,1,3)=1
nd_apply(np,1)=f0
endif
np = nd_next(np)
endloop
end
sel node fix x y z xr yr zr ran id=1
sel set damp combined
这是FLAC/FLAC3D基础与工程实例中的一个例子,在桩顶部施加周期荷载作用,现在看不懂当中那段FISH函数,求指教,谢谢。