[FLASH-USERS] questions about 1. Unit system 2. Adding additional types of substances

[ERNESTO ZURBRIGGEN]

Hi!
Maybe I can help with your first point. The units of a simulation should be
consistent with the value set for the runtime parameter "UnitSystem".

UnitSystem: System of units in which MHD calculations are to be performed.
Acceptable values are “none”, “CGS” and “SI”.
                     Default is "none".

Also, if you are using the PhysicalConstant unit, check the runtime
parameter "pc_unitBase".

Best!
Ernesto

On Sun, 29 Jun 2025 at 23:13, lizy <3287940670 at qq.com> wrote:

> Dear Flash developers and users,
> I have two questions about zpinch simulation and hope to receive your
> answers.
> 1.In the zpinch case, the units of output data, such as current in A/m2
> and speed in cm/s, are they correct?
> 2.In the 'Simulation_initblock' file, I added substances other than 'fill,
> line, vacu', such as' line1, line2, line3 ', and defined them in the flash.
> par file, but why is there only the mass percentage of' fill, line, vacu
> 'in the output file? (For example, It is supposed to output the quality
> scores for "fill, line, vacu, line1, line2, line3",but the result is "fill,
> line, vacu, line, line,line")
> Thank you very much for your answers.
> lizy
> 6.30.2025
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