linear adj. 1.線的,直線的。 2.長度的。 3.【數(shù)學(xué)】一次的,線性的。 4.【動、植】線狀的;細長的。 5.由線條組成的,以線條為主的,強調(diào)線條的。 linear amplification 直線放大。 a linear equation 一次方程式。 a linear leaf 線形葉。 linear arts 線條藝術(shù)。
Numerical methods for determining the periodic solution of non - linear oscillation systems 具有系統(tǒng)參數(shù)的非線性動力系統(tǒng)周期解方法
In this paper , a linear oscillation motor is introduced , for the shortage of to - and - fro equipment . the mathematic model of this type of motor is established . to finding out its distributing of magnetic field , the program of finite analysis method is worked out 本文針對傳統(tǒng)往復(fù)運動設(shè)備的缺點,提出了一種能量型永磁直線振蕩電機,建立了直線振蕩電機的數(shù)學(xué)模型;利用有限元分析方法,編制了直線振蕩電機磁場有限元分析程序;分析了直線振蕩電機在各種勵磁狀態(tài)下的磁場分布;驗證了所設(shè)計模型的合理性。
Coordinate transformation , matrix , vectors , newton ' s law , conservation theorems , simple harmonic oscillator , non - linear oscillations , gravitation , euler ' s equation when auxiliany condition are imposed , the delta notation , lagrangian and hamilitonian dynamics , central - force motion , dynamics of a system o f particles , motion of noninertial reference frame , dynamics of rigid body , coupled oscillations , orthogonality of the eigenvectors , continuous system 座標(biāo)變換、矩陣、向量、牛頓定律、守恒定律、簡諧振動、非線性振動、引力、尤拉式方程式及附加條件、符號、拉格蘭及漢米爾頓力學(xué)、中心運動、多粒子系統(tǒng)動力學(xué)、非慣性參考座標(biāo)運動、剛體動力學(xué)、耦會振動、本微向量正交性、連續(xù)系統(tǒng)。
A state space model for parts of non - linear oscillation systems is put forward , and the concealed analytical solution for the systems is deduced . a numerical calculation method is presented and the calculation precision is improved greatly through using iterative method . finally the presented numerical method is extended to solve differential equations with complex stiffness matrix 導(dǎo)出了一類非線性振動系統(tǒng)的狀態(tài)空間模型,在此模型中給出了非線性振動系統(tǒng)的隱式解析解,提出了相應(yīng)的數(shù)值計算方法,并利用迭代法有效地提高了計算精度,最后將該數(shù)值方法推廣應(yīng)用到復(fù)剛度振動方程的數(shù)值求解計算中。