The finite difference method is used to calculate the multi dimensional diffusion of hydrogen isotopes in materials. 研究了氫同位素在材料中多維擴散行為的有限差分計算方法。
The differential calculation formulas of the temperature field and the temperature gradient are presented for large scale hoctonspheres annealing with non-stationary heat transfer. 提出了大型球罐熱處理在非穩態傳熱狀態下的溫度場差分計算公式和溫度梯度計算公式。
