新余学院学报
新餘學院學報
신여학원학보
JOURNAL OF XINYU COLLEGE
2014年
6期
4-8
,共5页
斜拉索%参数振动%龙格 -库塔法%激励振幅%频率比
斜拉索%參數振動%龍格 -庫塔法%激勵振幅%頻率比
사랍색%삼수진동%룡격 -고탑법%격려진폭%빈솔비
stay cable%parameter vibration%Runge -kutta method%excitation amplitude%frequency ratio
运用哈密顿原理求得了索-桥耦合非线性振动方程组,并运用龙格-库塔数值分析法进行分析计算,利用MATLAB 得到了频率比、激励振幅、拉索阻尼比、桥面阻尼比对参数振动的影响,对拉索的减振具有重要意义。
運用哈密頓原理求得瞭索-橋耦閤非線性振動方程組,併運用龍格-庫塔數值分析法進行分析計算,利用MATLAB 得到瞭頻率比、激勵振幅、拉索阻尼比、橋麵阻尼比對參數振動的影響,對拉索的減振具有重要意義。
운용합밀돈원리구득료색-교우합비선성진동방정조,병운용룡격-고탑수치분석법진행분석계산,이용MATLAB 득도료빈솔비、격려진폭、랍색조니비、교면조니비대삼수진동적영향,대랍색적감진구유중요의의。
The Hamilton's principle was used to obtain line -bridge nonlinear vibration equation and Runge -kutta numerical analysis method was used to do analysis and calculation .MATLAB was used to get the influence of frequency ratio , excitation amplitude, inhaul cable damping ratio, and bridge surface damping ration on the parameter , which is of great significance to decrease of vibration of inhaul cable.