FLAC3D接触问题
在FLAC3D建模过程中设置了接触,为了计算初始应力场,除了用initial命令付值外, 我想用solve 或者solve elastic来求解初始应力场,请问接触面的参数应该如何取值才对初始应力场无影响?谢谢 flac3d的interface也可以进行应力初始化。。。 tg0215,以不能举个例子呀?谢谢! 举个例子 大家看看 本帖最后由 marathon 于 2009-10-20 16:52 编辑;---------------------------------------------------
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;Vertically and horizontally loaded pile in clay
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gen zone radcyl p0(0,0,0)p1(8,0,0)p2(0,0,-5)p3(0,8,0)&
p4(8,0,-5) p5(0,8,-5) p6(8,8,0) p7(8,8,-5) &
p8(.3,0,0)p9(0,.3,0)p10 (.3,0,-5)p11 (0,.3,-5) &
size 3 10 6 15ratio 1 1 1 1.15
gen zone radcyl p0(0,0,-5)p1(8,0,-5)p2(0,0,-8)p3(0,8,-5)&
p4(8,0,-8)p5(0,8,-8)p6(8,8,-5)p7(8,8,-8)&
p8(.3,0,-5) p9(0,.3,-5) p10 (.3,0,-8) p11 (0,.3,-8) &
size 3 6 6 15ratio 1 1 1 1.15 fill
gen zone reflect dd 270 dip 90
group clay
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interface 1 face range cylinder end1 (0,0,0)end2 (0,0,-5.1) radius .31 &
cylinder end1 (0,0,0)end2 (0,0,-5.1) radius .29 not
interface 2 face range cylinder end1 (0,0,-4.9)end2 (0,0,-5.1) radius .31
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gen zone cyl p0 (0,0,6) p1 (.3,0,6) p2 (0,0,1)p3 (0,.3,6)&
p4 (.3,0,1) p5 (0,.3,1) &
size 3 10 6
gen zone cyl p0 (0,0,6.1) p1 (.3,0,6.1) p2 (0,0,6)p3 (0,.3,6.1)&
p4 (.3,0,6) p5 (0,.3,6) &
size 3 1 6
gen zone reflect dd 270 dip 90 range z 1 6.1
group pile range z 1 6.1
ini z add -6.0 range group pile
save pile_geom.sav
;pause
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model mohr range group clay
prop bulk 8.333e7shear 3.846e7coh 30000 fric 0range group clay
model elas range group pile
prop bulk 8.333e7shear 3.846e7range group pile
interface 1 prop kn 0ks 0fric 0 coh 30000
interface 2 prop kn 0ks 0fric 0 coh 30000
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ini dens 1230 range group clay
ini dens 1230 range group pile
model null range z -0.1 0.15
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fix z range z -8.1 -7.9
fix x range x -8.1 -7.9
fix x range x 7.9 8.1
fix y range y -.1 .1
fix y range y 7.9 8.1
set grav 0 0 -10
solve
比如这个例子中,如何设置接触面参数来计算初始应力场,谢谢 我觉得 接触面的 参数 会影响初始地应力的快慢,个人感觉最好是设置大一点的接触面参数,比如摩擦角或者粘聚力等 使其不影响土体间的应力传递, 学习下^_^ :):)谢谢楼主分享 好有用呀!谢谢啦! 最近也在学习FLAC,谢谢各位楼主![ marathon 发表于 2009-10-20 16:51 static/image/common/back.gif
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;Vertically and horizontally loaded pile in ...
请问interface 2 face range cylinder end1 (0,0,-4.9)end2 (0,0,-5.1) radius .31
的目的是什么?
以及gen zone cyl p0 (0,0,6.1) p1 (.3,0,6.1) p2 (0,0,6)p3 (0,.3,6.1)&
p4 (.3,0,6) p5 (0,.3,6) & size 3 1 6
的目的是什么?
一个初学者,请教一下高手,呵呵
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