upbuilt词根词缀

Base on the basic theory of finite-element analysis, hypostatic modeling for four-side simple supporting plank was upbuilt with ANSYS software. Three-dimensions hypostatic model and plane model were present by simulating the strain distribution of four-side simple supporting plank with damage using finite-element analysis software.

介绍了有限元分析的理论基础，用ANSYS软件对四边简支板试件进行了实体建模，比较了三维实体模型和平面模型特点，并指出了采用平面模型进行建模的合理性；

Meanwhile, a method and an exploring process for constructing the initial complex form are also brought forward on the basis of characteristics of unit mesh node set and upbuilt mesh complex form method for discrete variable optimization design.

提出了根据单位网格结点集的特征构建初始复合形的方法和探索过程，建立了离散变量优化设计的网格复形法；

D geometric model had been upbuilt by applying computer aided design technique, which laid the good foundations for following prototype development.

应用计算机辅助设计技术建立了系统的3维几何模型，为后续样机试制工作的开展打下了良好的基础。