无限大刚性障板上板结构的传声损失计算
我用SYSNOISE计算无限大刚性障板上板结构的传声损失时（参照SYSNOISE中实例 12.7 Baffled 模型与透射模型）总产生下面的问题，不知是什么原因
计算代码：
New Name 'az' Model 1 File az.sdb Return
OptionFEM Frequency Structure Return
Import Mesh Format Patran File example.out Return
Geometry Thickness 0.02
Elements All
Return
Material Shell
Name 'steel'
Young 2.1e11Poisson 0.3Rho 7850
Elements All
Return
Set 10 Name"Envelope" Envelope
Elements All
Return
Set 20 Name"bb"
Elements All
Return
Boundary
UX Real 0 Imag 0 UY Real 0 Imag 0 UZ Real 0 Imag 0
RZ Real 0 Imag 0
Nodes Set 10
Return
Modes
Vector 40 Shift -10 Tolerance 1.0000e-6 Iteration 100 Real
Return
Save Return
New Name 'hj' Model 2 File hj.sdb Return
OptionBEM Indirect Variational Uncoupled Baffled FrequencyReturn
Import Mesh Format Patran File example.out Return
Material Fluid
Sound Real 3.4000e+002Rho Real 1.2250e+000
Return
Set 30 Name"jj"
Elements BetweenZ= 0,0
Return
Point Line0 0 1 To 0 0 -1 Divide 1 Return
Source Name 'p' Plane
Amplitude Real 1 Imag 0
Position 0 0 5
Vector 1 1 -1
Return
Link
Model 2
Elements Set 30
To
Model 1
Elements Set 20
Behavior FLUID-STRUCTURE
Return
Parameter Model 2
Physical
Save Potentials Step 1
Save Results none
Store Results none
Return
Near 2
Far 5
Quadrature 2 2 1
Positive
Return
Solve Frequency 50Return
SYSNOISE 历史记录会标记如下错误：
STRUCTURAL Energy:0.20428D-07
WARNING *** Velocities are not available for all points
POWER THROUGH FIELD POINT MESH CANNOT BE CALCULATED
[ 本帖最后由 榫眼 于 2009-3-13 18:18 编辑 ] 希望有做过这方面的工作高手帮忙指点一下，谢谢 很及时啊！
页:
[1]