求翻译：在此之后分别进行材料定义接触条件定义、边界条件定义、重力定义、初始条件定义和运行参数的定义来完成对进气风罩充型凝固过程数值模拟的前处理是什么意思？

After that contact conditions are defined in the definition of materials, boundary conditions defined, the definition of gravity, definition of initial conditions and operating parameters of the definition to cover the completion of the intake air filling the numerical simulation of solidification p

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Contact conditions defined material definitions, after separately defined boundary conditions defined, gravity, the definition of initial condition definition and operating parameters to complete the inlet hood numerical simulation of mold filling and solidification process of pretreatment

After that contact conditions are defined in the definition of materials, boundary conditions defined, the definition of gravity, definition of initial conditions and operating parameters of the definition to cover the completion of the intake air filling the numerical simulation of solidification p