Colour-Field Based Particle Categorization for Residual Stress Detection and Reduction in Solid SPH Simulations Topics: Physics-Based Animation; Simulation of Elastic Rods, Shells, and Solids In Proceedings of the 18th International Joint Conference on Computer Vision, Imaging and Computer Graphics Theory and Applications - Volume 1: VISIGRAPP, 237-241, 2023 , Lisbon, Portugal