在此基础上，建立了以单晶硅为工件材料的分子动力学仿真三维模型，对不同深度下的加工过程进行分析研究。

Then, based on these theories, the three-dimensional model with using monocrystal silicon as the workpiece is built and the processes of different grinding deepness is studied.

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利用FIRE软件建立了某柴油机螺旋进气道的三维仿真模型，对进气流动进行了CFD模拟计算。

The three-dimensional simulation model of the spiral inlet duct of a diesel engine is created with the FIRE software, and CFD simulation of inlet flow is carried out.

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将三维动态切削力施加到机床响应模型上，仿真出实际加工过程中存在于刀具和工件之间的动态位移参量。

The dynamic increments in three-dimensions between the cutting tool and workpiece have been simulated by putting the cutting forces to the machining system response model.

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