structural grid

Based on the theory of thermal elasticity mechanics and structural optimization, the models of finite element numerical simulation for thermo-mechanical analysis of a plastic ball grid array ( PBGA) package design are established.

基于热弹性力学和结构优化理论，针对典型的PBGA封装体在工作过程中的受热问题，建立了有限元数值模拟分析模型。

Structural light projection technique for measuring ball grid array coplanarity

BGA焊点共面度的特殊结构光投影测量技术

The anti-rutting performance of asphalt concrete pavement reinforced with grid is researched, on the one hand by the rutting test of asphalt mixture reinforced with grid, on the other hand by structural mechanical analysis.

对格栅加筋沥青混凝土路面的抗车辙性能研究，一方面通过格栅加筋沥青混合料车辙试验，另一方面通过结构力学分析。

It propose a set of method which calculated conductivity based on non-structural grid and compiles program.

针对这一问题,研究了角点几何学在传导率计算中的应用并建立了数学模型.

The structural system of steel grid bearing wall is a special structural system of residential building.

钢格栅墙承重体系是一种较为特殊的住宅结构体系。