remoll/computational_astrophysics_nbody_solver
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cleanup of t1, tried integration in t2, units

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Remy Moll
2025-01-10 17:44:02 +01:00
parent 77a4959fe2
commit 9e856bc854
16 changed files with 1388 additions and 1292 deletions
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nbody/checklist.md
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@@ -8,7 +8,21 @@
- [x] compare with the analytical expectation from Newtons 2nd law
- [ ] compute the relaxation time
### Task 2
### Task 2 (particle mesh)
- [ ] Choose reasonable units
- [ ] Implement force computation on mesh
- [ ] Find optimal mesh size
- [ ] Compare with direct nbody simulation
- [ ] Time integration for direct method AND mesh method
### Task 2 (tree code)
- [ ] Implement force computation with multipole expansion
- [ ] Find optimal grouping criterion
- [ ] Compare with direct nbody simulation
- [ ] Time integration for direct method AND tree method
@@ -16,4 +30,8 @@
### Questions
- Procedure for each time step of a mesh simulation? Potential on mesh -> forces on particles -> update particle positions -> new mesh potential? or skip the creation of particles in each time step?
- Procedure for each time step of a mesh simulation? Potential on mesh -> forces on particles -> update particle positions -> new mesh potential? or skip the creation of particles in each time step?
- How to represent the time evolution of the system?
- plot total energy vs time
- plot particle positions?
- What is the parameter a of the Hernquist model?