Is the Temperature Distribution in Molecular Simulation Uniform?

• only18922
In summary, the conversation discusses a molecular simulation where the two sides of the system have a fixed temperature of 300 k and the middle area is free from any constraints. An electrical field is then added along the X direction, resulting in a temperature distribution that resembles a Gaussian distribution. However, one participant raises concern that the temperature should be uniformly distributed instead. This leads to a discussion on how to achieve a uniform gradient when both ends are fixed at the same temperature, and whether the temperature in the middle area should also follow a Gaussian distribution. The conversation ends with a request for clarification on the expected temperature distribution.
only18922
In molecular simulation, the two sides (X direction) of the simulating system has fixed temperature 300 k. The middle area is free to any constraint. Then we add a electrical field to the system along X direction. After some time steps,the temperature distribution along X direction looks like gauss distribution. The problem is,im my opinion,the temperature is supposed to distributed uniformly. Otherwise,we may need to make the wire we use smaller on two ends and bigger in the middle?
Anyway,can anybody explain the results?

How can you have a uniform gradient when both ends are fixed at the same temperature?

By saying uniformly distributed, I mean the temperature in the middle area (free to MD run) is supposed to distributed uniformly. If u think it has to be guass type,why do u think so?

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