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elemade.p3dat
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elemade.p3dat
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new
set random 10001
title "Studies on Landslide Properties"
domain extent -5 5
cmat default model linear property kn 1e6
[h = 0.5]
[sita = 45]
[h0 = 0.25]
[lenbot = 0.2]
[lenfb = 0.4]
[detax = 0.1]
[detaz = 0.1]
[x = array.create(1,6)]
[y = array.create(1,2)]
[z = array.create(1,3)]
;[a = math.tan(45*math.pi/180)]
def slidepnt(h, sita, h0)
x[1,1] = -lenbot/2.0-h/math.tan(sita*math.pi/180)
x[1,2] = -lenbot/2.0
x[1,3] = lenbot/2.0
x[1,4] = lenbot/2.0 h/math.tan(sita*math.pi/180)
x[1,5] = -lenbot/2.0-(h-h0)/math.tan(sita*math.pi/180)
x[1,6] = -lenbot/2.0-h/math.tan(sita*math.pi/180) h0/(math.sin(sita*math.pi/180)*math.cos(sita*math.pi/180))
y[1,1] = -lenfb/2
y[1,2] = lenfb/2
z[1,1] = 0.0
z[1,2] = h
z[1,3] = h-h0
end
@slidepnt(@h, @sita, @h0)
;生成源头坡
wall generate ...
group boundaries ...
id 1 ...
name orislide ...
polygon ...
@x(1,2) @y(1,1) @z(1,1) ...
@x(1,2) @y(1,2) @z(1,1) ...
@x(1,1) @y(1,2) @z(1,2) ...
@x(1,1) @y(1,1) @z(1,2)
;生成对岸坡
wall generate ...
group boundaries ...
id 2 ...
name opposlide ...
polygon ...
@x(1,3) @y(1,1) @z(1,1) ...
@x(1,3) @y(1,2) @z(1,1) ...
@x(1,4) @y(1,2) @z(1,2) ...
@x(1,4) @y(1,1) @z(1,2)
;生成底坡
wall generate ...
group boundaries ...
id 3 ...
name botslide ...
polygon ...
@x(1,2) @y(1,1) @z(1,1) ...
@x(1,2) @y(1,2) @z(1,1) ...
@x(1,3) @y(1,2) @z(1,1) ...
@x(1,3) @y(1,1) @z(1,1)
;生成前约束
wall generate ...
group boundaries ...
id 4 ...
name frontslide ...
plane ...
dip 90.0 ...
ddir 0.0 ...
position @x(1,2) @y(1,1) @z(1,1)
;生成后约束
wall generate ...
group boundaries ...
id 5 ...
name backslide ...
plane ...
dip 90.0 ...
ddir 0.0 ...
position @x(1,2) @y(1,2) @z(1,1)
;生成料斗面
wall generate ...
group boundaries ...
id 6 ...
name ldslide ...
polygon ...
@x(1,5) @y(1,1) @z(1,3) ...
@x(1,5) @y(1,2) @z(1,3) ...
@x(1,6) @y(1,2) @z(1,2) ...
@x(1,6) @y(1,1) @z(1,2)
wall activeside both
;颗粒级配曲线
def granulometry
global lintab = table.create("experimental")
table(lintab, 0.005) = 0.0
table(lintab, 0.01) = 0.25
table(lintab, 0.02) = 0.60
table(lintab, 0.04) = 1.00
end
@granulometry
[table.y(lintab,2)]
;pause key
;生成粒子
ball distribute box [x(1,1) detax] [x(1,6)-detax] [y(1,1)] [y(1,2)] [z(1,3)] [z(1,2) detaz] ...
porosity 0.5 ...
numbin 3 ...
bin 1 ...
radius [0.5*table.x(lintab, 1)] [0.5*table.x(lintab, 2)] ...
volumefraction [table.y(lintab,2)-table.y(lintab,1)] ...
group smallball ...
bin 2 ...
radius [0.5*table.x(lintab, 2)] [0.5*table.x(lintab, 3)] ...
volumefraction [table.y(lintab,3)-table.y(lintab,2)] ...
group mediumball ...
bin 3 ...
radius [0.5*table.x(lintab, 3)] [0.5*table.x(lintab, 4)] ...
volumefraction [table.y(lintab,4)-table.y(lintab,3)] ...
group largeball
ball delete range ...
plane ...
origin ...
[x(1,5)] [y(1,1)] [z(1,3)] ...
dip [sita] ...
dd 90 ...
below
ball delete range ...
plane ...
origin ...
[x(1,5)] [y(1,1)] [z(1,3)] ...
dip [sita] ...
dd 90 ...
distance 0.02
ball delete range ...
plane ...
origin ...
[x(1,5)] [y(1,1)] [z(1,3)] ...
dip [-sita] ...
dd 90 ...
below
ball delete range ...
plane ...
origin ...
[x(1,5)] [y(1,1)] [z(1,3)] ...
dip [-sita] ...
dd 90 ...
distance 0.02
ball delete range ...
plane ...
origin ...
[x(1,5)] [y(1,1)] [z(1,3)] ...
dip 0 ...
dd 0 ...
distance 0.02
ball delete range ...
plane ...
origin ...
[x(1,5)] [y(1,2)] [z(1,3)] ...
dip 0 ...
dd 0 ...
distance 0.02
;料斗内颗粒堆积
ball attribute density 2650 damp 0.05
cycle 10000 calm 10
save elemade1