[Constructal theory] Flow architecture (flow structure) [Thermodynamics] 
State
S t a t e
P r o c e s s
P r o p e r t i e s
E q u i l i b r i u m s t a t e
F u n d a m e n t a l r e l a t i o n
C o n s t r a i n e d e q u i l i b r i u m s t a t e s
R e m o v a l o f c o n s t r a i n t s
E n e r g y m i n i m u m p r i n c i p l e