The framework of Model F13000 triplex drilling pump is disintegrated into plate/shell elements and three-dimensional brick elements.

• 对F1300型钻井系机架结构按板壳单元和三维块元进行了离散；采用主从节点技术、罚单元和边界弹簧单元处理了复杂壳体结构的特有问题；