※ 引述《groundorder (Глебушка)》之銘言： 請問一下版上有沒有高手會用ANSYS聲學分析 我現在做的東西出來的結果遠比預期的小很多 (設定負載在薄殼元素上 該薄殼元素周圍用FLUID30元素包住) 出來的聲壓非常 非常小只有10的負1X次方..... 有聲學這方面很強的大大嗎 可以幫我解答一下嗎 謝謝 我把指令貼上來 有版上的大大們如果方便的話可以幫我看一下嗎 由於需要用到SOLIDWORKS的檔案 如果需要的話請跟我說一聲 我會把檔案寄給你 以下是我的指令: finish /clear /prep7 et,1,shell63 et,2,fluid30 et,3,fluid30,,1 et,4,fluid130 r,1,0.0018 r,2,20e-6 r,3,20e-6 r,4,1 mp,dens,1,1.29 mp,sonc,1,340 mp,ex,2,104.92e9 mp,nuxy,2,0.3 mp,dens,2,4430 匯入SOLID檔案 這步我就沒打上來了 lstr,5,1 lstr,1,9 lstr,8,4 lstr,4,12 lstr,7,3 lstr,3,11 lstr,6,2 lstr,2,10 vdele,all al,25,5,19,11 al,26,17,20,5 al,19,2,21,8 al,20,14,22,2 al,12,21,6,23 al,6,22,18,24 al,25,7,23,1 al,26,1,24,13 al,19,10,25,4 al,20,4,26,16 al,21,9,23,3 al,22,3,24,15 va,5,6,7,8 va,4,8,13,15,17,19 va,4,12,14,16,18,20 va,1,5,13,21 va,1,9,14,22 va,3,7,15,19,21,23 va,3,11,16,20,22,24 va,2,6,17,23 va,2,10,18,24 sph4,0,0,1 vovlap,all wprota,0,0,90 vsbw,all wprota,0,0,-90 wprota,0,90,0 vsbw,all wprota,0,-90,0 mshkey,2 type,3 real,3 mat,1 vmesh,11 vmesh,12 vmesh,13 vmesh,14 type,2 real,2 mat,1 esize,0.05 vmesh,3 vmesh,8 vmesh,19 vmesh,20 vmesh,35 vmesh,36 vsweep,4 vsweep,9 vsweep,31 vsweep,32 vsweep,37 vsweep,42 type,1 real,1 mat,2 amesh,1 amesh,6 amesh,35 amesh,40 amesh,50 amesh,59 amesh,84 amesh,81 amesh,96 amesh,99 amesh,106 amesh,113 type,2 real,2 mat,1 vmesh,1 vmesh,2 vmesh,7 vmesh,15 vmesh,16 vmesh,17 vmesh,18 vmesh,33 vmesh,34 vmesh,38 vsweep,10 vsweep,44 type,3 real,3 mat,1 esize,0.1 mshkey,0 mshape,1 vmesh,39 vmesh,40 vmesh,41 vmesh,43 type,4 real,4 mat,1 amesh,76 amesh,77 amesh,79 amesh,80 finish /solu antype,trans time,0.0001 kbc,1 deltim,0.0001 outres,,all vsel,s,volu,,1 vsel,a,volu,,2 vsel,a,volu,,7 vsel,a,volu,,10 vsel,a,volu,,15 vsel,a,volu,,16 vsel,a,volu,,17 vsel,a,volu,,18 vsel,a,volu,,33 vsel,a,volu,,34 vsel,a,volu,,38 vsel,a,volu,,44 eslv asel,s,area,,1 nsla sf,all,fsi asel,s,area,,6 nsla sf,all,fsi asel,s,area,,35 nsla sf,all,fsi asel,s,area,,40 nsla sf,all,fsi asel,s,area,,50 nsla sf,all,fsi asel,s,area,,59 nsla sf,all,fsi asel,s,area,,81 nsla sf,all,fsi asel,s,area,,84 nsla sf,all,fsi asel,s,area,,96 nsla sf,all,fsi asel,s,area,,99 nsla sf,all,fsi asel,s,area,,106 nsla sf,all,fsi asel,s,area,,113 nsla sf,all,fsi alls vsel,s,volu,,3 vsel,a,volu,,4 vsel,a,volu,,8 vsel,a,volu,,9 vsel,a,volu,,19 vsel,a,volu,,20 vsel,a,volu,,31 vsel,a,volu,,32 vsel,a,volu,,35 vsel,a,volu,,36 vsel,a,volu,,37 vsel,a,volu,,42 eslv asel,s,area,,1 nsla sf,all,fsi asel,s,area,,6 nsla sf,all,fsi asel,s,area,,35 nsla sf,all,fsi asel,s,area,,40 nsla sf,all,fsi asel,s,area,,50 nsla sf,all,fsi asel,s,area,,59 nsla sf,all,fsi asel,s,area,,81 nsla sf,all,fsi asel,s,area,,84 nsla sf,all,fsi asel,s,area,,96 nsla sf,all,fsi asel,s,area,,99 nsla sf,all,fsi asel,s,area,,106 nsla sf,all,fsi asel,s,area,,113 nsla sf,all,fsi alls lswrite,1 time,0.0002 asel,s,area,,40 asel,a,area,,84 asel,a,area,,99 asel,a,area,,113 nsla d,all,uz,-0.000001 alls lswrite,2 time,0.01 asel,s,area,,40 asel,a,area,,84 asel,a,area,,99 asel,a,area,,113 nsla ddele,all,all alls lswrite,3 lssolve,1,3 finish 有點繁複 希望可以獲得大大們的指教 拜託了 --

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※ 發信站: 批踢踢實業坊(ptt.cc) ◆ From: 140.117.58.221