ANSYS 流固耦合操作视频
本帖最后由 ultrater 于 2011-5-19 08:44 编辑ANSYS帮助文件中,关于流固耦合分析例子的操作视频。
一环孔浸于无限延伸水中,使用谐分析通过对34到38Hz的频率之间进行频率扫描,计算出第一阶模态(卵形模态),此模态通过加载两个大小相等但方向径向相反的力激发。
/PREP7
/TITLE,AMA,EV129-1S,FLUID129,HARMONIC ANALYSIS
ET,1,PLANE42 ! structural element
ET,2,FLUID29 ! acoustic fluid element with ux & uy
et,3,129 ! acoustic infinite line element
r,3,0.31242,0,0
ET,4,FLUID29,,1,0 ! acoustic fluid element without ux & uy! material properties
MP,EX,1,2.068e11
MP,DENS,1,7929
MP,NUXY,1,0
MP,DENS,2,1030
MP,SONC,2,1460 ! create inner and outer quarter circles
CYL4,0,0,0.254,0,0.26035,90
CYL4,0,0,0.26035,0,0.31242,90 ! select, assign attribute to and mesh area 1
ASEL,S,AREA,,1
AATT,1,1,1,0
LESIZE,1,,,16,1
LESIZE,3,,,16,1
LESIZE,2,,,1,1
LESIZE,4,,,1,1
MSHKEY,1
MSHAPE,0,2D ! mapped quad mesh
AMESH,1 ! select, assign attribute to and mesh area 2
ASEL,S,AREA,,2
AATT,2,1,2,0
LESIZE,5,,,16,1
LESIZE,7,,,16,1
LESIZE,6,,,5
LESIZE,8,,,5
MSHKEY,0
MSHAPE,0,2D ! mapped quad mesh
AMESH,2 ! reflect quarter circle into semicircle about x-axis
nsym,x,1000,all ! offset node number by 1000
esym,,1000,all ! reflect semicircle into full circle about y-axis
nsym,y,2000,all ! offset node number by 2000
esym,,2000,all
NUMMRG,ALL ! merge all quantities! modify outer 2 layers of el29 into type 4
esel,s,type,,1
nsle,s
esln,s,0
nsle,s
esel,inve
nsle,s
emodif,all,type,4
esel,all
nsel,all ! define el129 line element
csys,1
nsel,s,loc,x,0.31242
type,3
real,3
mat,2
esurf
esel,all
nsel,all ! flag interface as fluid-structure interface
nsel,s,loc,x,0.26035
esel,s,type,,2
sf,all,fsi,1
nsel,all
esel,all
FINISH ! enter solution module
/SOLU
ANTYPE,harmic ! select harmonic analysis
hropt,full
f,19,fx,1000.
f,1019,fx,-1000.
harfrq,34.,38.
nsubst,100
kbc,1
SOLVE
FINISH
/post26
plcplx,0
nsol,2,1,u,x,d1ux
store
conjug,3,2
prod,4,2,3
sqrt,5,4
*get,uxmx,vari,5,extrem,tmax
/COM -------------------------------------------------------------
/COM Expected Result:
/COM
/COM The following "uxmx" should equal 35.24 Hz.
/COM -------------------------------------------------------------
*status,uxmx
finish
**** Hidden Message ***** 本帖最后由 sxg863 于 2011-5-19 08:54 编辑
本帖最后由 ultrater 于 2012-1-10 23:07 编辑
全部上传完了,共23个文件。
我主要是做压电换能器的流固耦合,用ANSYS求出换能器在空气中产生的声压,其他的流固耦合问题也不太懂
还有问题给我发邮件 breakingbad@foxmail.com
正在进行流固耦合的计算,学习下,谢谢分享 好好学习啊 不错,很好! :victory:下来看看 下下来看看,谢谢楼主 学习下,谢谢分享 要是能一键下载全部就好了 好贵啊。。。 没钱了,怎么下载啊 东西不错,希望有用。 看看 新手很有帮助 感謝樓主熱心無私的分享 下来看一下 为什么解压不了,提示缺少part06.rar。我是付过钱的不要让我看不了啊。 楼主太慷慨了。。。。多谢了~! 下下来看看希望能有帮助 下下来看看希望能有帮助