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The periodic boundary condition and PML question about COMOL 4

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Hey Guys?

The first question is In COMSOL 3.5a, the periodic boundary condition can be express as u in the source and U*exp(i*k*a?in the destination, but it doesn't works in COMSOL4.

The other quesiton is the PML can be defined in Structural Moudule in COMSOL 3.5a, But it also can not works in COMSOL 4.

Anyone konws how to figure out these questions.

Best regards.

0 Replies Last Post May 17, 2010, 7:35 a.m. EDT
COMSOL Moderator

Hello Kyo Lee

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