[CP2K-user] [CP2K:20120] Re: Temperature decreases in NVT AIMD simulation.

Madhurja Buragohain cy22d015 cy22d015 at smail.iitm.ac.in
Sat Apr 20 14:05:43 UTC 2024


Hi Vahiya,
Thank you so much for the response. I'll follow the advice you gave and 
update you later. 

Regards,
Madhurjya B.

On Saturday, April 20, 2024 at 12:54:01 PM UTC+5:30 Vahiya Mitanshu wrote:

> You should try the TEMP_TOL parameter to control your temperature. Set the 
> parameter according to your requirement. This parameter is going to set the 
> upper and lower limit of temperature rescaling. That means if you have set 
> TEMP_TOL 20 , the atom's velocities are going to rescale, if your 
> temperature is going above 320 or below 280. So that your temperature will 
> remain in the range of 280 to 320.
>
> Regards,
> Mitanshu vahiya
>
>
> On Saturday 20 April 2024 at 1:40:44 am UTC+5:30 Madhurja Buragohain 
> cy22d015 wrote:
>
>> Dear all,
>>
>> I'm trying to do NVT AIMD for a system (salt surrounded by solvent 
>> molecules).
>> I was set temperature to 300K, but after several steps, it decreases to 
>> 150 K .  I was used NOSE-HOOVER thermosat, with timecon 100.
>>
>>  Any help would really appreciated. 
>>
>> Thanks
>>
>>
>> Best,
>> Madhurjya.
>>
>

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