<div dir="ltr"><div>I really don't know the LaserSlab example. Two thoughts though</div><div><br></div><div>1) In flash.par do you have ForceHydroLimit = .true. ? You'll need that parameter .false. in order to have non-zero magnetic fields evolved</div><div>2) In your problem directory's Simulation_initBlock are MAGX_VAR:MAGZ_VAR initialized? Also are face{x,y,z}Data initialized? Are there any "if" conditions preventing them from receiving non-zero values?</div><div><br></div><div>Best,<br></div><div><div><div dir="ltr" class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div dir="ltr">--------<div>Ryan</div></div></div></div></div></div></div><br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Fri, Jun 25, 2021 at 3:13 AM Ong Jian Fuh <<a href="mailto:jianfuh.ong@eli-np.ro">jianfuh.ong@eli-np.ro</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">Hi,<br>
<br>
Does any have an idea on this? Thanks.<br>
<br>
Regards,<br>
<br>
Dr. Ong Jian Fuh<br>
Extreme Light Infrastructure - Nuclear Physics<br>
"Horia Hulubei" National Institute for Physics and Nuclear Engineering<br>
30 Reactorului Street, 077125 Magurele (Ilfov), Romania<br>
<a href="http://www.eli-np.ro" rel="noreferrer" target="_blank">www.eli-np.ro</a><br>
<br>
On 07/06/2021 9:37 am, Ong Jian Fuh wrote:<br>
> Dear all,<br>
><br>
> I have read from the mailing list:<br>
><br>
> <a href="http://flash.uchicago.edu/pipermail/flash-users/2020-May/003200.html" rel="noreferrer" target="_blank">http://flash.uchicago.edu/pipermail/flash-users/2020-May/003200.html</a><br>
><br>
> My question is that does FLASH LaserSlab example calculate magnetic <br>
> field by default?<br>
><br>
> I tried to reproduce the LaserSlab example in the mailing list but the <br>
> magnetic field just turn out to be zero everywhere throughout the <br>
> simulation when visualized with VisIt. Is there something missing?<br>
><br>
</blockquote></div>