[vosper]

I've been trying to figure out where I should place a shelter belt on my property, as I've heard that the wind will rise up over the belt and then "dump" downwards. I don't want to position the belt so that the wind dumps on my house. I think it's essentially a fluid dynamics problem (I say this as decidedly not an engineer).

I've only looked half-heartedly, but found nothing that can help me.