结合某型号飞机试验任务，阐述有关空气作动筒仿升的起落架落震试验方法。
A landing gear drop test method is presented in this paper, in which the lift is simulated by an air actuator and accumulator system with constant pressure.
根据起落架落震试验结果和该数学模型，可以得到考虑动态效应的起落架机轮水准载荷。
Then the horizontal load to aeroplane undercarriage tyre can be obtained more accurately by making use of the proposed model and results of drop-test simultaneously.
利用定油孔起落架的落震试验对该模型进行了校验。
The model is verified by the drop tests of fixed orifice landing gear.
着陆载荷研究：通过撬式起落架功量计算分析，落震试验论及全机着陆载荷特性。
By means of calculation and falling vibration test for ski landing set the characteristics of landing load is discussed in research of landing load.
利用大型商用有限元软件ABAQUS对某机起落架建模，并进行落震试验数值模拟。
FEM software, ABAQUS, is used to model the landing gear for an aircraft, and carry out the numerical simulation for drop test.
以某歼击飞机前起落架为例，用落震试验的方法，通过分析起落架有关参数随机轮转速变化的情况，来研究飞机着陆瞬间起落架的状况。
The status of an undercarriage at the touchdown instant is studied by analyzing the undercarriage parameters which change with the wheel rotational speed in the drop test.
使用上述模型，分别进行了主起落架落震仿真试验和全机着陆仿真试验，用以模拟真实的起落架落震和全机着陆情况，并将二者得到的主起落架仿真结果进行了对比。
The above models are used to simulate the dropping test of the main landing gear and landing test of the aircraft. The two results have a good correspondence.
使用上述模型，分别进行了主起落架落震仿真试验和全机着陆仿真试验，用以模拟真实的起落架落震和全机着陆情况，并将二者得到的主起落架仿真结果进行了对比。
The above models are used to simulate the dropping test of the main landing gear and landing test of the aircraft. The two results have a good correspondence.
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