The stability of ship deck grillage is analyzed by means of transportmatrix technique and minimal weight of the structure is obtained with multilevel optimization method.
本文运用迁移矩阵法进行甲板板架稳定性分析，并用分级优化方法作结构最小重量设计。
2
The transportmatrix method is used to analyze internal forces and displacement of arbitrary cantilever horizontally folded beam under arbitrary shape and arbitrary loads.
应用传递矩阵法，可方便地解决任意形状、任意荷载作用下悬挑水平折梁的计算问题。
3
Clearly, affordable transport costs are an essential ingredient in this regional production matrix.