subroutine fric

说明：  Abaqus中用于用户自定材料属性的子程序编程实例，适用于初学者。(ABAQUS subroutine programming example for user defined material properties, suitable for beginners.)

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：  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：  徐世良经典算法集合，包含常用的各种算法，供大家下载参考(index for FEM code)

说明：  ansys命令流,主要为土木工程相关实例的APDL语言，教程详细(Ansys command stream, mainly for the APDL language of civil engineering related examples, tutorial details)

说明：  基于ABAQUS UMAT开发的三维导入损伤参数的集料本构模型(Constitutive model of aggregate based on three-dimensional imported damage parameters developed by ABAQUS UMAT)

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.)

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.)

说明：  abaqus的残余应力数值模拟源文件，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：  一部分是Fortran代码可以用自学，一部分是abaqus hetval子程序用来实现混凝土水化热的代码(Part of the Fortran code can be used for self-study, and part of the code for the abaqus hetval subroutine to realize the heat of hydration of concrete)