filling modei的用法和樣例：
例句
- Calculation of pressure and velocity is very important for the simulation of mold filling of castings.
摘要鑄造充型過程數值模擬計算中，速度場和壓力場的求解非常重要。 - First, three-dimensional finite element modeling was used to simulate the temperature distribution of camshaft during filling and solidification.
首先採用三維有限元方法模擬了凸輪軸充型凝固過程的溫度分佈。
