计算地球表面任意两点之间的大圆距离

fortran 里面的二次开发的uel例子(a example of secondary development for uel in abaqus)

我博士毕业的8节点薄厚通用四边形单元，可以计算任何厚度的板，包括深受弯构件，是在精度上最精确的计算单元(I am a graduate Dr. Bo Hou general quadrilateral 8-node unit, can be calculated in any thickness of board, including the much-curved elements, is the most accurate calculation of accuracy unit)

计算电磁学有限元法全美经典教材，金建铭编著英文版(FEM computational electromagnetics American classic textbook, Jin Jianming edited English)

湍流数值模拟用，用于各种湍流的数值模拟，其中包含了许多湍流的模型，希望能帮到大家(Numerical simulation of turbulence)

《ABAQUS在岩土工程中的应用》-费康中二次开发的梁单元应用(" ABAQUS in geotechnical engineering" - charges the secondary development of health in the application of beam elements)

说明：  ABAQUS用户子程序film和dflux(It's film and dflux for abaqus)

采用初始应力法进行被动土压力分析，程序中对相关矩阵及每一步的意义进行了简要说明(The code uses the initial stress method to analyze the passive earth pressure. The relevant matrix and the significance of each step are briefly explained in the program.)

有限元软件等效线性本构本构代码，用于计算动力非线性(Equivalent linear constitutive law)

UMAT and VUMAT about elasticity, viscoplasticity, composite and PDF book about computational plasticity, I am PhD student, I would like to share with you our information and coding

说明：  iuoboi oioghiohlio ihgijohohjihh oij(phj oijpjop hjoph hiuhiopjpioj)