Yifu Wang Junji Wang Bohan Wang Yifei Wang Jianjun Chen Multi-threaded parallel tetrahedral mesh improvement by combining atomic operation and graph coloring. 103782 2024 198 Adv. Eng. Softw. https://doi.org/10.1016/j.advengsoft.2024.103782 db/journals/aes/aes198.html#WangWWWC24 streams/journals/aes