Gallery: Binary, inspiraling neutron stars forming a hypermassive neutron star

This simulation shows how to evolve a pair of neutron stars, reading in initial data provided by the LORENE code. The video shows the rest mass density in an equatorial slice of the simulation. The emitted gravitational waves of the inspiral and due to the oscillations in the formed hypermassive neutron star are shown as well.

Parameter file nsnstohmns.par

Use with ./GetComponents to dowload the code and compile using simfactory/bin/sim build --thornlist thornlists/ once downloaded. This thornlist contains the thorns of the Einstein Toolkit as well as the thorn NSTracker which is not part of the Einstein Toolkit yet.

Initial data file G2_I12vs12_D4R33T21_45km.resu.xz

Uncompress using unxz. Sample ID is taken from LORENE

Support scripts scripts.tar.gz
approx. memory 8.8 GB
approx. runtime 24 hours using 12 cores
Results (11MB) bns-20221027.tar.gz

This example was last tested on 27-Oct-2022.

Psi_4^{2,2} at r=300M over time