There are 2 repositories under symplectic-integrator topic.
Symplectic Recurrent Neural Networks
biorbd + casadi + variational integrator
different methods for solving several ode
Investigation of the N-Body problem via numerical methods
Tiny n-body simulation project, just for fun
JavaScript simulation of equatorial 2+1D geodesics in the Kerr spacetime. Newtonian version is also plotted for comparison.
The training and evaluation code, synthetic datasets and pre-trained models accompanying the paper "Symplectic Learning for Hamiltonian Neural Networks" by M. David and F. Méhats.
Final project for Physics 561: Adv. Computational Physics comparing direct measurement in simulation to theoretical predictions of gravitational wave frequencies in weak-field binaries
A fast yet precise simulation of conservative, attractive forces acting on point-like particles embedded onto the surface of a unit sphere.