CST MWS-Human Body Effects on Antenna

I am simulating a human body model alongwith a circularly polarised patch antenna to analyse the effects oh human body on the antenna performance at 1.5GHz. But the CST Microwave Studio is giving weird errors like Unstable calculations, abnormal termination etc. it also takes a lot of computational time.
I am using the sub-griding technique to optimise the mesh. Design is attached herewith.
If someone can help me in this matter, I will be very thankful.
Regards

Hi mrnizami

Sub-griding works well only from ver, 2006B and not for all cases it good only
for case that it reduced the mesh by factor of 8 to 10 and more. You have to run it and then look at the size of the mesh.

pl

go to:

https://www.edaboard.com/viewtopic.p...374&highlight=

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