之前在使用一款力学仿真软件(Openfast)计算时,总是出现不收敛的问题,怀疑是数值计算问题。所以后面详细的分析了其中使用的广义α法的收敛性。 动力学数值求解方法常用叠加法(Duhamel 积分)、直接积分法(如newmark-beta法),Generalized- α 法是直接积分法的一种。 以单自由度动力学系统为例,对Generalized- α 方法计...
Systematic Study on Alpha Decay Half-Lives of Superheavy Nuclei The decay barriers have been determined in the quasi-molecular shape path within the Generalized Liquid Drop Model (GLDM) including the proximity effects ... Zhang,Hong-Fei,Li,... - 《Communications in Theoretical Physics》 被引量...
{A} {Time} {Integration} {Algorithm} for {Structural} {Dynamics} {With} {Improved} {Numerical} {Dissipation}: {The} {Generalized}-\\ensuremath{\\alpha} {Me... A new family of time integration algorithms is presented for solving structural dynamics problems. The new method, denoted as the...
Error analysis of generalized- $$\\alpha $$ α Lie group time integration methods for constrained mechanical systems Generalized- \\(\\alpha \\) methods are very popular in structural dynamics. They are methods of Newmark type and combine favourable stability properties w......
\left( 1-\alpha_f \right)\mathbf{S}^{k} \Delta\mathbf{x}_{i+1}^{k}=-\left[ \mathbf{S}_L\mathbf{x}_{i+1}^{k} + \boldsymbol{f}_{nl}\left( \mathbf{x}_{i+1-\alpha_f}^{k} \right) - \boldsymbol{p}_{i+1} \right] \tag{10} 其中 \begin{split} \boldsymbol{...
A generalized-alpha method for integrating the filtered Navier-Stokes equations with a stabilized finite element method A generalized- α method is developed and analyzed for linear, first-order systems. The method is then extended to the filtered Navier–Stokes equations w... KE Jansen,CH Whiting...
Nonlinear evolution of the alpha‐particle‐driven toroidicity‐induced Alfvén eigenmode ENERGY CONSERVATIONGUIDING−CENTER APPROXIMATIONITER TOKAMAKTHERMONUCLEAR DEVICESTOKAMAK DEVICESA fast and efficient numerical algorithm using energy conservation is ... Y Wu,RB White,Y Chen,... - 《Physics of Plasma...
Kalata, P.: The tracking index: A generalized parameter for alpha-beta and alpha-beta-gamma target trackers. IEEE Transactions on Aerospace and Electronic... PR Kalata - 《IEEE Trans.aerosp. & Electron.syst》 被引量: 0发表: 1984年 The tracking index: A generalized parameter for amp;#x00...
expression of IL-8, ICAM-1, IL-1beta, and TNF-alpha were located in pocket epithelium and adjacent connective tissue with large numbers of infiltrating... R K,Liu,C F,... - 《Journal of Periodontology》 被引量: 170发表: 2001年 Solution of Volterra Integro-Differential Equations with Gen...
Possible association of a silent polymorphism in the neuronal nicotinic acetylcholine receptor subunit alpha4 with common idiopathic generalized epilepsies. The 伪4 subunit gene of the neuronal nicotinic acetylcholine receptor (CHRNA4) has recently been identified as the first gene underlying an idiopathic ...