“…Accuracy is ensured, and the time integration method, space difference method, and precession method are used as computer technologies to calculate in a realistic timeframe. Each of the above elements is used to construct the oil seal simulator (Amasaka, 2008;Amasaka, Tsubaki, Ymaji, & Ueno, 2009;Leo, Annos, & Oscarsson, 2004;Mitsuhashi, Takeoka, Tanabe, Yamaji, & Amasaka, 2007;Nozawa, Yamashita, & Amasaka, 2011).…”