各位老师及群友:
大家好!
近日我在尝试采用VASP进行从头分子动力学计算时,计算停滞不前,请各位指导指导.(机器配置,VASP版本及输入文件等信息见末尾,AIMD输入文件在此
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①离子步设置为50可正常结束,当离子步改为500时,计算到第95步后,计算停滞,内存可用空间约40%,等待14小时后仍无进展。
②我在VASP官网 找到如下一条说明:
To run molecular dynamics calculation VASP has to be compiled using the -Dtbdyn precompiler flag in the makefile.include file. A sample input using this tag would look like this:
谢谢宝贵意见,有学习CP2K的计划,但目前想弄清楚这个问题,因为之前这个体系在超算上正常结束过。作者Author: Lilunjisuan 时间: 2023-9-11 22:38
“我不解的是为何1x1x1可正常结束分子动力学计算,而其他高密度K点却造成计算停滞不前,也不报错。”
官网看到的,用Gamma点就行了吧 https://www.vasp.at/wiki/index.php/Liquid_Si_-_Standard_MD
Since a sufficiently large super cell is used in this example, it is ok in this case to use only a single k-point in the calculations. Hence it is also possible to use the
Γ\Gamma -point only version which is significantly faster than the standard version.作者Author: a851026453 时间: 2023-9-12 10:17
你好,我也是用vasp算AIMD,但我温度波动很大,请问你遇到过这种情况吗,该怎么解决好呢作者Author: Lilunjisuan 时间: 2023-9-16 09:06