力方程 meaning in English
force equation
Examples
- On the basis of this , we selected rms as feedback variable and constructed the controller g : add this controller to the right of ion radial self - edlctric force equation like equation ( 1 ) . we simulated the motion of ion beam by using muti - paticle code ( partice - in - cell ( pic ) code ) . the results demonstrated that the beam halo of five different initial distribution is eliminated well under the same controller . the halo intensity of k - v distribution , water - bag distribution and parabolic distribution and be reduced to zero . in the case of 3 - sigma distribution and full gauss distribution , the result is agree with minimum limitation ( 10 " ) of halo intensity of factual high intensity accelerator
在此基础上，选择a为控制变量，构造延迟反馈控制器g ： g （ s glrrms （ s ）一rms （ s ） （ 2 ）同（ l ）式一致，将此控制器函数加在粒子径向所受束自生场力方程的右边。利用多粒子数值模拟程序（ pic ）进行了控制试验。模拟结果表明，用同一个控制器和同一个控制参数即可实现五种不同初始分布情况下的束运一混饨的有效控制。 - Chapter 4 : there are a summary of two methods used in this thesis , together with the further work , a introduction of vlasov equation and its moment equations , i . e . , the continuity equation , the force equation and the pressure equation , and the ionization and recombination associated with the laser propagation in media
第四章：本章主要是在总结了两种方法的基础上提出进一步可以做的工作，介绍了等离子体动力论中的vlasov方程及它的三个矩方程(连续性方程、力方程和压强方程) ，以及强激光在介质中传输涉及到的电离和复合机制。 - The control of beam halo - chaos becomes a critical problem in the development of high intensity accelerator . efforts to remove the halo by collimation have been largely unsuccessful since the halos almost always regenerate . the mechanisms of halos are complex , such as nonlinear resonances and chaotic behavior etc . considering this , professor fang jin - qing who works in china institute of atomic energy pointed out that the theory of chaos control can be used to control beam halos . he presented the method to control halos by using nonlinear functions , which means nonlinear function g is added to the right of ion radial self - edlctric force equation and some nonlinear function are selected to control beam halos in simulations . in paper [ 69 ] , controllerg = - 0 . 15sin ( rmax - am ) 2 was used and the halo intensity was decreased to 0 . 1078 , the halos are removed partly
束晕?混沌的控制是新一代强流加速器研制的关键问题，随着强流离子束应用前景的日趋广阔而日益成为研究的热点。传统机械限束器因无法解决束晕的再生而收效甚微，因为束晕的形成有着其内在动力学机制?非线性共振以及混沌等。基于此，中国原子能科学院研究员方锦清将混沌控制的理论和方法开创性的运用于束晕?混沌的控制上，提出了控制束晕?混沌的非线性控制策略，即在粒子径向所受束自生场力方程的右边加上非线性控制函数g ：并选取一些非线性函数如等进行了控制的模拟研究，将束晕强度控制在0 . 1078左右，取得了初步的控制效果。 - Secondly the author ' s study are introduced in this paper . the author study mainly the linear static and dynamic , elastic - plastic static and dynamic problems of cfst arc - bridge . firstly , the author establish the linear static equation on the based of the rigid equation of element by qr - method , and then analysis the inner force of arc bridge , establish the linear dynamic equation and elastic - plastic rigid equation and dynamic equation , then solve respectively the elastic - plastic rigid and dynamic equation by the method of repeated increment and no limit stabilization , arithmetic
本文主要研究大跨度钢管混凝土桁架拱线性静力问题和线性动力问题以及弹塑性静力问题和弹塑性动力问题，先利用qr法按照梁单元的刚度方程建立桁架拱的线性静力方程，进行桁架拱内力分析，建立桁架拱线性动力方程、弹塑性刚度方程及弹塑性动力方程，然后利用增量迭代法及样条无条件稳定算法分别求解弹塑性刚度方程及动力方程。 - For obtaining the numeral solutions of round elastic plates in axisymmetrical deformation with varying - thickness in nonlinear deformation in the unsteady electromagnetic field and mechanical field , by establishing the equations of motion , the equations of distortion , the equations of lorentz force , the equations of electronic dynamic mechenical , and adopting iterative method , we gained the nonlinear magneto - elastic calculation method and outcome of current - carrying shell , and gained the influencing degree toward mechanical parameter of varying thickness round ferreous plates in the electromagnetic field and mechanical field
摘要为了获得内边界固定的环形导电薄板在均布力与横向磁场作用下的变形问题的数值解，通过建立运动方程、变形方程、电动力学方程和洛仑兹力方程，运用迭代法得出了载流板壳的非线性磁弹性的计算方法和结果，以及机械场、电磁场对铁质变厚度圆板各力学参量的影响程度。