Comments (5)
about the drift in center of mass: this can happen for treecodes such as gadget2 since they are not guaranteed to conserve momentum - its difficult to say whether to drift here is unacceptable and or bigger than expected.it can be decreased by using smaller timesteps (parameter: timestep_accuracy_parameter)...I looking into the other issue...
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if I generate the galaxy with:
from amuse.ic import new_plummer_model
converter = nbody_system.nbody_to_si( 1.0e12 |units.MSun, 33.0 |units.kpc)
galaxy1=new_plummer_model(8000000, converter)
it runs here..can you check wether the 3.5e6 particle galaxy looks ok?
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also have you checked the code output:
dynamics = Gadget2(converter,number_of_workers=23, redirection="none")
this may give some hints..
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for me, GalactICs generates nan z positions for large N, YMMV, this could cause problems
(although for me it doesn't generate the same gadget error)
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492ed70 should fix this
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Related Issues (20)
- suppress output? HOT 5
- make_secondaries HOT 6
- multithreading HOT 4
- Crash when generating invalid parameter error message
- Lost connection to Fi when recommitting particles HOT 5
- Build system needs replacing HOT 4
- Problem installing Petar on cluster HOT 10
- Issue With Multiples Module HOT 2
- Nose is obsolete HOT 9
- Bridge with support for pressure
- Adding a non-existing photo star in MESA doesn't return an error
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- /home/janez/.local/lib/python3.9/site-packages/amuse/rfi/core.py:964: UserWarning: MPI (unexpectedly?) not available, falling back to sockets channel HOT 4
- Difference in evolve_model between gadget2 and bridge HOT 3
- Use pytest for testing support HOT 2
- Error with Building wheels for collected packages: amuse-galaxia and many other HOT 25
- problem installing/running PeTar using AMUSE HOT 3
- Building and running with GPUs HOT 6
- Failed to install amuse due to "Failed building wheel for amuse-simplex" HOT 4
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