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I am completely lost as to why I have one model that is able to run Feko Solver (CPWpatch_JCHv4) while the other model has a Error 39518 (CPWpatch_JCHv5). I have reviewed both models and see no reason as to why the v5 model is unable to be solved. I used the v4 model and only changed the design of the trace while only shifting the Port to be in the center of the Transmission line. There is only one other post in this community that answers this error problem and I am not sure how to apply it to my specific scenario. Please help!!!
Hi @Jmanhaft,
In the model CPWpatch_JCHv5, the edge port is defined on the surface of a dielectric body, hence the error message is getting triggered.
The restriction is that a port cannot be placed on the edge of a finite substrate when using MoM.
To avoid this , you can either remove a small piece of dielectric below the edge or slightly elevate the edge. (See reference images below)
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