二级支流

说明：  abaqus的动态力学数值模拟源文件，适合abaqus新手操作练习使用(ABAQUS source files for numerical simulation of plate constraints, suitable for ABAQUS novice operation exercises)

说明：  利用ansys建立输电塔模型，并进行模态分析。(The transmission tower model is established by ANSYS, and the modal analysis is carried out.)

说明：  精细积分法Matlab程序，利用该程序对动力系统的微分方程精细求解。(The program of precise integration method MATLAB is used to solve the differential equation of dynamic system precisely.)

说明：  autoform最全材料库，包含各类材料的详细参数及使用说明。(AutoForm is the most complete material library, including detailed parameters and instructions of various materials.)

说明：  用于房屋、大坝、桥梁、水电站等大型结构的时程分析，根据桥梁抗震细则规范标准谱得到的25条地震波(For time history analysis of large structures such as buildings, dams, bridges and Hydropower stations, 25 seismic waves are obtained according to the standard spectrum of seismic rules for bridges.)

39节点系统稳态和暂态运算的bpa源代码(BPA power flow calculation code for 39-node system)

说明：  张拉膜结构非线性有限元法找形程序，采用ANSYS APDL语言编制，附带详细注释(Non-linear Finite Element Method (FEM) finding program for tensioned membrane structures, wrote by ANSYS APDL with detailed comments.)

说明：  格子玻尔兹曼仿真多孔介质，适合煤炭，石油，岩土等行业(Lattice Boltzmann simulation of porous media, suitable for coal, petroleum, geotechnical and other industries)

说明：  39节点系统稳态和暂态运算的bpa源代码(BPA power flow calculation code for 39-node system)

说明：  程序考虑了悬臂梁的几个大变形，并给出了变形过程图，很适合非线性学习的初学者。(The program considers several large deformations of the cantilever beam, and gives the deformation process chart, which is very suitable for beginners of nonlinear learning.)