标题: 跑npt报错:The domain decomposition grid has shifted too much [打印本页] 作者Author: 鱼叉君 时间: 2018-5-31 15:38 标题: 跑npt报错:The domain decomposition grid has shifted too much 体系:400个正己醇、100个氯离子、50个铜离子
力场:Cu、Cl离子力场用的是 oplsaa.ff/ions.itp ,正己醇信息来自于amber力场,分子间为 oplsaa.ff/forcefield.itp
操作:
insert-molecular 把粒子都放进去,盒子大小设定为8 8 8 ,能量最小化之后,跑nvt,步长为2fs,跑100000步(0.2ns) 正常结束,然后跑npt的时候,跑1万步就会报错停止:Step 11840: The domain decomposition grid has shifted too much in the Y-direction around cell 1 5 1. This should not have happened. Running with fewer ranks might avoid this issue.
把nvt的轨迹拿出来看了下,发现粒子都跑到一起去了,感觉不太合理。然后npt的轨迹看了下,盒子一开始就收缩了,然后就报错,想问下这需要改什么地方呢?谢谢大家!~