Avoid box shrinking bellow 2Rcut for NPT simulation
Avoid box shrinking bellow 2Rcut for NPT simulation

GOMC-WSU/GOMC,GOMC-WSU/GOMC,GOMC-WSU/GOMC_Serial,GOMC-WSU/GOMC_Serial,GOMC-WSU/GOMC,GOMC-WSU/GOMC_Serial,GOMC-WSU/GOMC,GOMC-WSU/GOMC