The error analysis proves that this method can realize the exact identification of the structure boundary support stiffness if the modal test results are of enough accuracy.
误差分析表明,如果模态试验结果具有足够的精度,用本文方法能够准确地实现结构边界支承刚度识别。
The test and analysis about intension and stiffness of airplane structure is a important part of airplane design.
飞机结构强度和刚度的试验与分析研究是飞机设计的重要环节。
A fatigue life calculation and test was performed to investigate the influence of use of different-stiffness fasteners on structure fatigue life in repair area.
本文通过疲劳寿命计算和试验,研究了结构连接部位的紧固件剪切刚度不同,对疲劳寿命的影响。
应用推荐