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
),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
),He Zhiyun,Zhang Heng
图3. GPC法和HPGM法计算的$Z_{1}$的前四阶统计矩与展开阶数的关系
Fig. 3. Relationship of the first four statistical moments of $Z_{1}$obtained by the GPC and HPGM with expansion order number
