I designed an alloy which has no experimental counterpart. I am trying to study the efficiency of the different microstructures of this alloy as catalyst. For this I want to check the stability of those microstructures. But it is impossible to do MD simulation or DFT calculation to check their stability. Because it will take huge time & huge computational cost also. So please let me know if any suitable software or method is available which can solve my problem. Thanks in advance for any kind of help.