Lady bug Grid analysis and mesh surfaces

hello everyone, i hope i can find here help

i have a brep that i want on all the faces Radiation analysis..

i took the brep-> deconstruct brep->Mesh UV

i made the faces to meshes and i want to divide them at the same  size grid that i have in the Radiation analysis..

the problem is that on the Radiation you need to put a value of size and on the mesh surf i need to put u and v

how can i do it???

hope to have a fast answer

(and sorry for my English)

Tal