Dear Zach,

Sorry for late reply. I have tried one of the parameter file you mentioned ( 
nsns_test.par ). I have a question for this file that the thorn VolumeIntegrals 
should be activated but I can only find VolumeIntegrals_GRMHD  and 
VolumeIntegrals_vacuum. After I tried both thorns, I chose 
VolumeIntegrals_GRMHD(that is, I change all VolumeIntegrals into 
VolumeIntegrals_GRMHD in the nsns_test.par).However the code stopped after 
several minutes running. So what I want to ask is: Is there a thorn called 
VolumeIntegrals ? Since I cannot find after searching and I think it is the 
reason terminating the code.

And I am curious about: what is the main difference between the parameter file 
(nsnstohmns.par) in the gallery example and nsns_test.par ?


Thank you.

Best regards,

Chia-Hui

________________________________
寄件者: Zach Etienne <[email protected]>
寄件日期: 2018年7月14日 上午 02:41:24
收件者: 林家暉
副本: Einstein Toolkit Users
主旨: Re: [Users] error after activating IllinoisGRMHD and VolumeIntegrals_GRMHD

Hi Chia-Hui,

If you really want to use VolumeIntegrals_GRMHD, you are more than welcome to 
do so. However, the parameter file you are using from the examples gallery will 
need to be significantly modified to be compatible with IllinoisGRMHD. My 
immediate thought (which may be correct or incorrect) is that it is attempting 
to initialize both GRHydro and IllinoisGRMHD simultaneously.

If you want to use IllinoisGRMHD, the easiest route would be to start with a 
parameter file in the following wvuthorns_diagnostics directory:
https://bitbucket.org/zach_etienne/wvuthorns_diagnostics/src/master/Meudon_Bin_NS-modified/par/

I haven't had time yet to fully set up a gallery example for this BNS case, so 
beware: you may need to modify the parameter file a bit to make it work 
properly. I'm hoping to schedule the next IllinoisGRMHD Working Group telecon 
in the next few weeks, so please stay tuned if you are interested.

-Zach

*     *     *
Zachariah Etienne
Assistant Professor of Mathematics
West Virginia University
http://math.wvu.edu/~zetienne/
http://blackholesathome.net

On Fri, Jul 13, 2018 at 11:50 AM, 林家暉 
<[email protected]<mailto:[email protected]>> wrote:
Dear Zach,
Becasue if I only activate VolumeIntegrals_GRMHD but not IllinoisGRMHD , there 
will be following error in the .out file:

Error: Implementation 'ILLINOISGRMHD' not activated.
       This implementation is required by activated thorn(s):
           VolumeIntegrals_GRMHD (implementing VolumeIntegrals_GRMHD)
       This implementation is provided by compiled thorn(s):
           IllinoisGRMHD
       Add a thorn providing this implementation to the ActiveThorns parameter.
Activation failed - 1 errors in activation sequence

It seems it is required to activate IllinoisGRMHD  in order to use 
VolumeIntegrals_GRMHD.

Thanks,
Chia-Hui
________________________________
寄件者: Zach Etienne <[email protected]<mailto:[email protected]>>
寄件日期: 2018年7月13日 下午 09:04:30
收件者: 林家暉
副本: Einstein Toolkit Users
主旨: Re: [Users] error after activating IllinoisGRMHD and VolumeIntegrals_GRMHD

Hi Chia-Hui,

Is there a reason you are using IllinoisGRMHD for this particular example? The 
example was written for GRHydro.

-Zach

*     *     *
Zachariah Etienne
Assistant Professor of Mathematics
West Virginia University
http://math.wvu.edu/~zetienne/
http://blackholesathome.net

On Thu, Jul 12, 2018 at 11:35 PM, 林家暉 
<[email protected]<mailto:[email protected]>> wrote:

Dear whom it may concern,

I tried to solve the tracking problem of unequal mass binary neutron 
(http://einsteintoolkit.org/gallery/bns/index.html ) star by using the thorn 
WVUThorns_Diagnostics / VolumeIntegrals_GRMHD . Therefore I activate both 
IllinoisGRMHD and VolumeIntegrals_GRMHD. However I met the error which showed 
in both .err file and .out file.

In .err file:
Thu Jul 12 08:03:04 2018: [unset]:_pmi_alps_init:alps_get_placement_info 
returned with error -1
Thu Jul 12 08:03:04 2018: [unset]:_pmi_init:_pmi_alps_init returned -1

In .out file:
INFO (IllinoisGRMHD): Font fix failed!
INFO (IllinoisGRMHD): i,j,k = 78 31 41, stats.failure_checker = 10000 x,y,z = 
-1.800000e+01 -7.593750e+00 1.068750e+01 , index=574610 st_i = -nan -nan -nan, 
rhostar = 2.902693e+243, Bi = 0.000000e+00 0.000000e+00 0.000000e+00, gij = 
1.295702e+00 0.000000e+00 0.000000e+00 1.295702e+00 0.000000e+00 1.295702e+00, 
Psi6 = 1.474883e+00
INFO (IllinoisGRMHD): Couldn't find root from: -nan 2.902693e+243 -nan -nan 
-nan, rhob approx=1.968084e+243, rho_b_atm=1.000000e+200, Bx=0.000000e+00, 
By=0.000000e+00, Bz=0.000000e+00, gij_phys=1.295702e+00 0.000000e+00 
0.000000e+00 1.295702e+00 0.000000e+00 1.295702e+00, alpha=8.746533e-01

I am not sure what these error exactly mean and how to solve it.

Thanks.
Chia-Hui


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