[FLASH-USERS] [EXT] Re: resistivity problems

[Adam Reyes]

Hi Zhao,

I don't see any issues with how you're setting the resistivity. Are your
simulations producing the magnetic fields that you expect? I'm
surprised you don't see any differences between the runs at different
resistivities.
*************************************************************************
Adam Reyes

Code Group Leader, Flash Center for Computational Science
Research Scientist, Dept. of Physics and Astronomy
University of Rochester
River Campus: Bausch and Lomb Hall, 369
500 Wilson Blvd. PO Box 270171, Rochester, NY 14627
Email adam.reyes at rochester.edu
Web https://flash.rochester.edu
 (he / him / his)

*************************************************************************


On Thu, May 4, 2023 at 10:34 AM 赵旭 <xuzhao1994 at sjtu.edu.cn> wrote:

> Dear Adam,
>
> Thank you very much for your reply.
>
> This simulation is try to use FLASH to simulate the magnetic reconnection
> in a 'coil' target configuration.
>
> I tried to set the resistivity from 0, 1e-20, and 1e-18 (for testing),
> respectively.
>
> I want to see the transition from magnetic energy to kinetic energy when
> the reconnection occurs.
>
> However, it seems nothing changes in these simultions (Both plasma
> evolution and the value of magnetic energy/kinetic energy).
>
> The log and .par file are attached.
>
> Any suggestion helps as I have struggled for a while for this problem.
>
> Best,
> Zhao
>
> ----- 原始邮件 -----
> 发件人: "Adam Reyes" <adam.reyes at rochester.edu>
> 收件人: "赵旭" <xuzhao1994 at sjtu.edu.cn>
> 抄送: "flash-users" <flash-users at flash.rochester.edu>
> 发送时间: 星期四, 2023年 5 月 04日 下午 9:51:44
> 主题: Re: [FLASH-USERS] resistivity problems
>
> Hi Zhao,
>
> Do you have a logfile from the FLASH simulation that you could share? These
> contain details of how the code was configured for your simulation so we
> can give a more specific suggestion.
>
> *************************************************************************
> Adam Reyes
>
> Code Group Leader, Flash Center for Computational Science
> Research Scientist, Dept. of Physics and Astronomy
> University of Rochester
> River Campus: Bausch and Lomb Hall, 369
> 500 Wilson Blvd. PO Box 270171, Rochester, NY 14627
> Email adam.reyes at rochester.edu
> Web https://flash.rochester.edu
>  (he / him / his)
>
> *************************************************************************
>
> On Thu, May 4, 2023 at 9:43 AM 赵旭 <xuzhao1994 at sjtu.edu.cn> wrote:
>
> > Dear FLASH users/developers,
> >
> >
> > When I want to set up a non-ideal plasma magnetic resistivity condition
> in
> > 3D laser-driven experiment simulation, a mistake trouble me.
> >
> > I change the resistivity of plasma at constant condition, but the
> > simulation results didn't change. I use the CGS system. Do I made any
> > mistakes in in FLASH?
> >
> > Any suggestion helps.
> >
> >
> > Zhao
> >
> > --
> > Zhao Xu
> > Laboratory for Laser Plasmas (MoE)
> > Shanghai Jiao Tong University
> > 800 Dongchuan Rd, Shanghai 200240
> > _______________________________________________
> > flash-users mailing list
> > flash-users at flash.rochester.edu
> >
> > For list info, including unsubscribe:
> > https://flash.rochester.edu/mailman/listinfo/flash-users
> >
> --
> Zhao Xu
> Laboratory for Laser Plasmas (MoE)
> Shanghai Jiao Tong University
> 800 Dongchuan Rd, Shanghai 200240
>
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