If h is h_max then set rho_dh to 0, prevent insanely high grad_h_term

Fix a bug causing super high accelerations on rare occasions when a particle has very few neighbours and already the max smoothing length.

added 1 commit

• 8be370e6 - Remove old check that is now unnecessary with the more general fix

Compare with previous version

added 1 commit

• 0616aecb - Tidy up unnecessary inverse term

Compare with previous version

added 1 commit

• 57fba300 - Tidy up unnecessary inverse term

Compare with previous version

merged

mentioned in commit 460fcba7

mentioned in issue #790 (closed)