Problem with the imported mesh

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Hi everyone,

I am trying to observe to Reflectivity spectrum of an FBG. If i build the correct geometry in one project (Let's call it Project A) and i run the "Boundary Mode Analysis" i get the right results. But if i build the exact same geometry in a second project, study the deformation of the geometry using the "Solid Mechanics" and then import it in a third project for the "Boundary Mode Analisys" (Project C), the results i get are wayyy different.

In the "Solid Mechanics" project i run a "Stationary" study step using a Point Load of 0 Newton. I should get the exact same geometry after the study and thus the exact same results of the Reflectivity spectrum. I dont know if i am doing something wrong, anything can help. Could be an exporting error? The study step for the Mode Analysis in project A and C are the same with the same parameters. :(

I am using COMSOL version 5.3a.


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