parking

说明：  薄壁圆柱壳轴压屈曲非线性计算，采用模态缺陷作为初始缺陷(In the nonlinear calculation of thin-walled cylindrical shells under axial compression, modal defects are used as initial defects)

说明：  用Fortran语言编写的abaqus，Dflux热源子程序，路径为环形路径(Abaqus, Dflux heat source subroutine written in Fortran language, with a circular path)

说明：  丹麦大学研究建立的风力发电机模型，2MW风机，包括叶轮、齿轮箱、发电机等风机系统仿真模型。(The wind turbine model established by the University of Denmark, 2MW wind turbine, including impeller, gearbox, generator and other complete simulation models.)

abaqus 帮助文档中的蠕变本构模型，包括时效强化模型和应变强化模型，以及一个模型的inp文件(Creep constitutive model in abaqus help document, including time-based reinforcement model and strain reinforcement model, and inp file of a model)

使用zernike多项式进行光学像差的拟合，从而进行光学镜面像差的分析，有助于提高光学系统的加工精度。(The Zernike polynomial is used to fit the optical aberration, and the analysis of optical mirror aberration is helpful to improve the machining precision of the optical system.)

matlab 小程序实现晶粒形核加圆形长大(CA grain nucleation and growth)

粒子群算法的仿真程序，并采用典型benchmark进行演示分析； 然后，应用粒子群算法进行热工过程水轮机系统模型辨识，matlab软件可直接运行； 采用粒子群算法与PID参数整定进行联合仿真，用以提高PID控制器对热工过程水轮机的控制性能。(Particle swarm algorithm simulation program, and the use of a typical benchmark for demonstration analysis; Then, the particle swarm optimization algorithm is used to identify the turbine system model of the thermal process. The matlab software can be run directly. Particle swarm algorithm and PID parameter tuning are used to simulate the PID controller to improve the control performance of the hydraulic turbine.)

说明：  基于仿真噪声信号的随机共振分析，结果准确可靠(Based on stochastic resonance analysis of simulated noise signal, the results are accurate and reliable)

动网格，DEFINE_CG_MOTION，DEFINE_GRID_MOTION，很好的模板(dynamic mesh good template)

基于空间矢量的电流型整流器，双闭环，可运行，实现了电压电流同相位功能(The current mode rectifier based on space vector can operate with double closed loops, and achieve the function of voltage current and phase.)