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楼主 |
发表于 2008-1-17 20:59
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我的网格就是一个水池,尺寸4.9*11.9*4,中心我给定义了一个点声源,我用直接边界元法,可和理论不相符啊.下边是我的命令流
New Name 'chang' Model 1 File chang.sdb Return
Option BEM Direct Collocation Node Interior Coupled Frequency Return
Import Mesh Format Ansys File ..\ANSYS7\chang.cdb Return
Check Mesh Return
Material Fluid
Name 'water'
Sound Real 1500 Rho Real 1000
Return
Set 1 Name "ying"
Nodes Between X = -0.01,0.01
Nodes Between X = 4.89,4.91
Nodes Between Y = -0.01,0.01
Nodes Between Y = 11.89,11.90
Nodes Between Z = -0.01,0.01
Return
Set 2 Name "ruan"
Nodes 344 To 550 Step 1
Return
Boundary Velocity Real 0 Imag 0
Nodes Set 1
Return
Boundary Pressure Real 0 Imag 0
Nodes Set 2
Return
Source Name 'point_source' Spherical
Amplitude Real 10 Imag 0
Position 2.45 5.95 2
Return
Parameter Model 1
Physical
Save Potentials Step 1
Save Results none
Save Displacements none
Store Potentials none
Return
Store Results none
Return
Near 2
Far 5
Quadrature 2 2 1
Return
Solve
Frequency 10 To 500 LinStep 5
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Point Box 1 0 0 To 2.95 11.9 4 Divide 10 50 10 Return
PostProcess
Points All
Frequency 10 To 500 LinStep 5
Near 2
Far 5
Quadrature 2 2 1
Save Results Step 1
Return
Store
Case Active
Results
Frequency 10 To 500 LinStep 5
Points X = 2.95
Return
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