具有杆间扭转约束的轴心压杆稳定性研究
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陈廷国,郭召迪
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Stability of axial compression bars with inter-bar torsional constraints
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Ting-guo CHEN,Zhao-di GUO
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| 表 5 压杆承载力在不同弹簧刚度下的理论解和有限元解对比 |
| Tab.5 Comparison between theoretical solutions and finite element solutions of compression bar capacities under different stiffness of spring |
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| c/（N·m） | $\gamma $ | Pt/kN | Pf/kN | e/% | | 0.000 1 | 0 | 20.29 | 20.25 | −0.2 | | 1 984 | 0.5 | 23.66 | 23.59 | −0.3 | | 3 968 | 1 | 26.19 | 26.12 | −0.3 | | 7 936 | 2 | 29.66 | 29.56 | −0.3 | | 11 904 | 3 | 31.82 | 31.71 | −0.3 | | 15 872 | 4 | 33.26 | 33.14 | −0.4 | | 23 808 | 6 | 35.02 | 34.89 | −0.4 | | 35 712 | 9 | 36.41 | 36.27 | −0.4 | | 51 584 | 13 | 37.35 | 37.20 | −0.4 | | 79 360 | 20 | 38.12 | 37.97 | −0.4 | | 3 968 000 | 1 000 | 39.66 | 39.48 | −0.5 | | 3 968 000 000 | 1 000 000 | 39.68 | 39.51 | −0.4 |
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