Hi,
I'm modelling an eddy current testing probe with the AC/DC module. So far the model basically consists of a transmitter coil, an aluminum plate test specimen, and a receiver coil. I'm using COMSOL to tell me the magnetic flux density in the receiver coil, which is then used by a program I wrote myself to calculate the induced voltage.
I'm doing a parametric sweep through different values for the distance of the aluminum plate from the coils, but I can't seem to get "nice" results. The data mostly follows a nice trend, but I keep getting outliers at various positions (see attached file). I've tried several different meshes, both free tetrahedral and physics-controlled. The mesh seems to affect the outliers, but I can't get them to go away, even with a very fine mesh.
Even though the error is small relative to the magnitude of the voltage, it becomes significant because ultimately I need to measure very small changes in voltage. Can anyone help me figure out how to get rid of the outliers?
Thanks,
Neil
I'm modelling an eddy current testing probe with the AC/DC module. So far the model basically consists of a transmitter coil, an aluminum plate test specimen, and a receiver coil. I'm using COMSOL to tell me the magnetic flux density in the receiver coil, which is then used by a program I wrote myself to calculate the induced voltage.
I'm doing a parametric sweep through different values for the distance of the aluminum plate from the coils, but I can't seem to get "nice" results. The data mostly follows a nice trend, but I keep getting outliers at various positions (see attached file). I've tried several different meshes, both free tetrahedral and physics-controlled. The mesh seems to affect the outliers, but I can't get them to go away, even with a very fine mesh.
Even though the error is small relative to the magnitude of the voltage, it becomes significant because ultimately I need to measure very small changes in voltage. Can anyone help me figure out how to get rid of the outliers?
Thanks,
Neil