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)
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HYBRID PERTURBATION-GALERKIN METHOD FOR GEOMETRICAL NONLINEAR ANALYSIS OF TRUSS STRUCTURES WITH RANDOM PARAMETERS1)
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图8. 铰顶处竖向位移$\upsilon $的概率密度函数图(变异系数为0.25) |
Fig. 8. PDF curves of the displacement $\upsilon $(The coefficient of variation is 0.25) |
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