科技视界
科技視界
과기시계
Science & Technology Vision
2015年
33期
181-182
,共2页
球头铣刀%Runge-Kutta算法%模型%仿真
毬頭鐉刀%Runge-Kutta算法%模型%倣真
구두선도%Runge-Kutta산법%모형%방진
Ball end milling cutter%Runge-Kutta algorithm%Model%Simulation
建立的球头铣刀动力学模型,要在计算机上进行仿真算法,必须进行离散的数值计算,在两点间等分区间,对节点采用离散值不断趋近真实值的数学方法,计算过程要始终保持较小误差,采用四阶显式Runge-Kutta算法,利用变步长数值积分算法求解球头铣刀振动微分方程,给出球头铣刀动力学微分方程仿真算法步骤及算例,Runge-Kutta算法精度为四位,精度较高,比较高适合机床动力学模型的仿真与分析。
建立的毬頭鐉刀動力學模型,要在計算機上進行倣真算法,必鬚進行離散的數值計算,在兩點間等分區間,對節點採用離散值不斷趨近真實值的數學方法,計算過程要始終保持較小誤差,採用四階顯式Runge-Kutta算法,利用變步長數值積分算法求解毬頭鐉刀振動微分方程,給齣毬頭鐉刀動力學微分方程倣真算法步驟及算例,Runge-Kutta算法精度為四位,精度較高,比較高適閤機床動力學模型的倣真與分析。
건립적구두선도동역학모형,요재계산궤상진행방진산법,필수진행리산적수치계산,재량점간등분구간,대절점채용리산치불단추근진실치적수학방법,계산과정요시종보지교소오차,채용사계현식Runge-Kutta산법,이용변보장수치적분산법구해구두선도진동미분방정,급출구두선도동역학미분방정방진산법보취급산례,Runge-Kutta산법정도위사위,정도교고,비교고괄합궤상동역학모형적방진여분석。
If the model of ball end milling dynamics model can be simulate on the computer, that must be discrete numerical calculation, the continuity mathematical problems can be discretized by using equal partition to take a node, computational process can keep a low error, adopting a fourth-order explicit Runge Kutta algorithm, the variable step numerical integration algorithm is used to solve the ball end milling vibration differential equation, giving the algorithm simulation steps of the ball end milling dynamics differential equation and examples, the Runge Kutta algorithm accuracy is four, that is suitable for the simulation and analysis of dynamic model of machine tool.