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。
2
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。
3
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.