Smooth transition between flat and bent surface using sheet metal

Hi,

I don't have much experience using sheet metal and need some help to check if what i'm trying to achieve is possible using sheet metal, or if I should use some other method.

The problem I have is to make a smooth transition between a flat and a bent surface.

I've tried some different ways of modeling the part but haven't managed to find one that works yet. I have attached one of the models i've made to illustrate the problem. I've also attached a PDF that hopefully shows what I want to achieve.

Appreciate all help I can get in solving this!

SolidworksSheet Metal