飞机载荷校准虚拟试验建模方法研究

Modeling method for aircraft load calibration virtual test

载荷校准虚拟试验可以实现对真实试验的外推、预测以及模拟演练等。建模的优劣影响了载荷校准虚拟试验对真实试验的逼真度,决定了虚拟试验的成败。本文以某型飞机机翼为例,研究了载荷校准虚拟试验建模的各个环节,包括有限元建模、虚拟应变电桥建模、约束及载荷建模和模型修正等,形成了载荷校准虚拟试验的建模方法。

The load calibration virtual test can be used in extrapolation,prediction and simulated exercises.The quality of modeling affects the fidelity of the virtual test,and determines the results of the virtual test.Taking a certain type of aircraft wing as an example,we studied the various links of load calibration virtual test modeling,including finite element modeling,virtual strain bridge modeling,constraint and load modeling,and model correction,etc.A modeling method for load calibration virtual test was formed.