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There are some suggestion for your information:
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In GUI operation mode, choose "Model"->"Absorbent panels..."
In the Dialog, choose "Boundary type" as "Admittance" . If your model option is IBEM, you should choose "positive" option and then the "negetive" option.
For both options, you fill the blanks below that are titled with "Value"->"Real/Img" as "0" and "0".
In the following blanket "Where", fiil into it "All".
Then "Add", and "Close". So the rigid boundary for ALL the elements are difined and added. |
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