Hello everyone:
In HFSS I have designed two Dipole Antenna with 50cm distance between them. When I change the size of the Radiation Box S-parameter results (S11 and S21) are affected. I increased the pass number and initial mesh size but I got the same results. I’m attaching the results.
Please help me in this regard.
Thanks in advance.
you are talking about radiation boundaries.
Please go through this.
http://www.ece.uprm.edu/~rafaelr/inel6068/HFSS/HFSS_Antenna_v2015_v1/workshop_instructions_trainee/ANSYS_HFSS_Antenna_W04_1_Boundaries.pdf
Dear Jagdish M Rathod,
Thank you very much. It was really helpful.
The new results are attached.
FEBI and PML is better approach than radiation boundary. For multiobject design system FEBI is always an optimized approach.
http://www.ece.uprm.edu/~rafaelr/inel6068/HFSS/HFSS_Antenna_v2015_v1/lectures_trainee/ANSYS_HFSS_Antenna_L08_0_Hybrid_FEM-IE.pdf
Dear Swadesh Poddar ,
Thank you for your comment and sharing the link. You are right the FE-BI and PML boundary box is better for such structures with two or more antennas.
Best Regards,
Behrooz
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