Improvements to the particle-multipole interactions
For multipoles of order p, we can compute the forces of this multipole onto a particle using derivatives of the potential of order p+1. This leads to additional accuracy without having to carry additional multipole values.
Edited by Matthieu Schaller
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added 23 commits
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baf6cf1d...abe15cbd - 19 commits from branch
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- 4340e825 - Accelerations from M2P now use derivatives from one order higher than is computed for the multipole
- c569ffe1 - Updated potential_derivatives_M2P
- 50ef86b9 - Left over endif
- ea83c29d - Updated + to +=
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baf6cf1d...abe15cbd - 19 commits from branch
added 1 commit
- 1865c4ec - Extended the gravityDerivatives test to also verify the M2P terms.
added 1 commit
- 801b082f - Also add the additional order calculation in the P2M of the 'potential' gravity.
added 1 commit
- 002f4be0 - Use the correct += and not = whend adding the 4th-order contribution to M2P.
added 1 commit
- 71ff1f7e - No unnecessary pre-initialisation of the the D's in potential_derivatives_compute_M2P()
added 1 commit
- aa9d7e13 - Use the correct multipole order in the gravity derivatives unit test.
added enhancement SPH labels
mentioned in commit 0aaf4486
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