随机桁架结构几何非线性问题的混合摄动-伽辽金法求解1)
黄斌(),贺志赟,张衡
HYBRID PERTURBATION-GALERKIN METHOD FOR GEOMETRICAL NONLINEAR ANALYSIS OF TRUSS STRUCTURES WITH RANDOM PARAMETERS1)
Huang Bin(),He Zhiyun,Zhang Heng

图10. 桁架拱的弹性模量分区图

Fig. 10. Division of bars with random elastic modulus