2 dimensiona antennal array in hfss

hi,
i am very new in array designing,i have some questions if anyone can help me to understand
1.i have designed bow tie antenna and want to make 2d arrays using master slave condition now firslty how to do this i have to create an object of rectangles around antenna to give that object master slave condition?then waht about air box?it will be outside master slave surrounded object or inside it?also how to give phase in master slave condition?
2.if i draw antenna mannually should i give single port to centre antenna?how to give phase in this situation>?

plzzzzzzzzzzz if anyone has any example send me