有限元进击

空间插值函数
https://wenku.baidu.com/view/d34f957827284b73f2425069.html?rec_flag=default&word=%E7%A9%BA%E9%97%B4%E6%8F%92%E5%80%BC

有限元形函数 详细解析
https://blog.youkuaiyun.com/weixin_42152986/article/details/80443844?utm_medium=distribute.pc_relevant.none-task-blog-BlogCommendFromMachineLearnPai2-9.add_param_isCf&depth_1-utm_source=distribute.pc_relevant.none-task-blog-BlogCommendFromMachineLearnPai2-9.add_param_isCf

再用有限元计算节点应力
https://www.ixueshu.com/document/f40c6c2af946c823318947a18e7f9386.html