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SAR and Temperature analysis in Heterogeneous/multi-layer tissues
Posted 14.07.2023, 12:14 GMT-4 RF & Microwave Engineering, Heat Transfer, Studies & Solvers Version 6.0 0 Replies
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I hope everyone is fine. I am experiencing some issues with my heterogeneous design (five layer model) in COMSOL, specifically related to Hyperthermia analysis. My model consists of an 8-dipole array, with a phantom placed between the array. In the case of a homogeneous phantom model, the E-field, SAR, and temperature are focused on the same point. However, in a heterogeneous phantom, the SAR does not align with the E-field, and the temperature is not rising as expected. I have attached 3 figures that illustrate the problem more clearly.
I would like to inquire whether I might be missing any boundary conditions for my simulation. Additionally, I am curious if the calculation of SAR in a heterogeneous model differs from that in a homogeneous model in COMSOL. Any insights or guidance you could provide would be greatly appreciated.
Thank you for your attention to this matter.
Best regards, Zain
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Hello ZAIN UL ABDIN
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