in this thesis, the pcb of a computer power supply is regarded as the specific object . dynamic analysis and vibration fatigue analysis of this pcb are implemented based on finite element method 本文以計(jì)算機(jī)電源印制電路板為對(duì)象,利用有限元方法對(duì)該印制電路板進(jìn)行動(dòng)力學(xué)分析和疲勞壽命分析,并進(jìn)行優(yōu)化設(shè)計(jì)。