航空学报 > 1990, Vol. 11 Issue (11): 595-598

飞机壁板结构的声疲劳计算及试验

葛森, 周枝伦   

  1. 飞机结构强度研究所
  • 收稿日期:1989-10-25 修回日期:1990-04-25 出版日期:1990-11-25 发布日期:1990-11-25

CALCULATION AND EXPERIMENTAL STUDY ON SONIC FATIGUE LIFE OF AIRCRAFT STRUCTURAL PANELS

Ge Sen, Zhou Zhilun   

  1. Aircraft Structure Strength Research Institute
  • Received:1989-10-25 Revised:1990-04-25 Online:1990-11-25 Published:1990-11-25

摘要: <正> 飞机结构所承受的噪声载荷声压级超过130dB时,经较长时间激励,往往在噪声诱导应力较大的区域里产生疲劳破坏。而在各种类型的结构件中声疲劳破坏的相对发生率以蒙皮壁板结构为最高。 本文采用矩形铝合金平板来模拟蒙皮壁板结构,对其进行了声疲劳寿命计算与试验研究.

关键词: 声疲劳, 壁板, 行波管

Abstract: The so called "DSR" method is used to calculate the sonic fatigue life aluminium rectangular panels and an introduction is given to both of the calculation and the relevant sonic fatigue experiment.

Key words: sonic fatigue, panels, progressive wave