论文结合实际的工程项目，以某型号直升机旋翼气动载荷模拟为研究内容，对加载系统的组成、系统数学模型进行分析和研究。
In this thesis, the aerodynamic load simulation of one type of helicopter airscrew is studied, and the system's structure and its mathematic model are analyzed.
可选型号：模拟电压控制模式，双功能模式，转换器和移相器操作有可选输入。
Optional models: Analog Voltage controlled models. Dual function models, selectable input for either translator or phase shifter operations.
本文利用CFD技术对某型号385柴油机的进气道流场进行了三维模拟计算，并对结果进行了分析，验证了其有效性。
Applying CFD to simulate the fluid field of a inlet port in a kind of 385 diesel engine, and with 3d analog computing as well, we analyze these results and prove its effectuality.
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