Open AccessA Fourier series method for solving the two-stage vibration isolation system under dual-wave shock input
Author(s) -
Liang Ren,
Hongmei Zhang,
Guangqiang Fan,
Yang Li,
Yuepeng Song
Publication year - 2020
Publication title -
journal of physics. conference series
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.21
H-Index - 85
eISSN - 1742-6596
pISSN - 1742-6588
DOI - 10.1088/1742-6596/1550/2/022011
Subject(s) - vibration isolation , isolation (microbiology) , shock (circulatory) , acoustics , frequency domain , vibration , underwater , dual (grammatical number) , shock wave , sine wave , time domain , computer science , structural engineering , engineering , physics , mathematics , aerospace engineering , mathematical analysis , geology , electrical engineering , art , voltage , oceanography , literature , biology , medicine , computer vision , microbiology and biotechnology
Shock isolation for on-board devices is one of the most important issues for underwater vehicles to resist underwater non-contact explosions (UNDEX). According to German military specification BV043/85, the shock input spectrum can be transformed into a time domain signal represented as a dual-wave, which is composed of a positive and a negative half-sine. Previous researches have pointed out that two-stage vibration isolation system (TSVIS) shows better isolation performance than the single-stage vibration isolation system (SSVIS). However, there is relatively rare research on the shock isolation performance of a TSVIS subjected to a dual-wave shock input. This issue is addressed in this investigation. The Fourier series method is employed to calculate the response in the time domain. This study will shed some light on the design of TSVIS in a dual-wave environment.