September 8, 2020 at 11:05 pmvinay91SubscriberHello,nI have some planar antennas on an IC substrate and would like to look at the radiated power broadside (into air) vs that which is sent into the substrate and radiates out the back. I tried using two infinite sphere radiation boundaries - one covering the upper hemisphere, and one covering the lower hemisphere. (My antenna feed is at 0,0,0 and suspended on a substrate that extends in the -z direction).nThe first hemisphere extends from phi:-180 to 180, theta:0 to 90nThe second hemisphere extends from phi:-180 to 180, theta:90 to 180nI have a PML boundary around the entire antenna.nI get exactly the same values of all the antenna parameters (except front to back ratio) for both cases. Should this method be working? If not, what other methods would? I am yet to try integrating the Poynting vector across the hemisphere. Also, what surface would I need to use to do this integration?n
September 11, 2020 at 4:30 pmPraneethAnsys EmployeeHi,nWe need more information to serve you better regarding your query. Please share images of your antenna model along with the co-ordinate systems by using the insert image option provided. nAll the best,n
September 11, 2020 at 10:36 pm
September 16, 2020 at 11:37 amPraneethAnsys EmployeeHi,nThank you for sharing the details and appreciate your patience. Kindly share them in the following format:nLabel different objects in the geometry and make sure none of the object is hidden,nSuperimpose the radiation pattern on to the geometry.nThis will help to understand your query more effectively.nAll the best.nBest Regards,n
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