NEC-LIST: How much should the size of patch be?

Hi,All:

I have met a problem of calculating the electric field near a metallic
object using NEC2D. The object is a cuboid with dimensions
1.8*1.96*6.3 meters. The distance between the object and an emitting
antenna is 3 meters. The field point is above the object
30centimeters. I use six surfaces to model the metallic object. These
surfaces are divided into a great number of patchs. I found the
various size of the patchs lead in different results. I am confused
how much the size of the patchs should be. I would appreciate it if
someone would clarify this.

Thanks
Moupin Jin
Received on Tue Jun 30 1998 - 09:48:57 EDT