代鲁平, 杨平. 破损船体的极限强度估算[J]. 中国舰船研究, 2008, 3(3): 18-22,33. DOI: 10.3969/j.issn.1673-3185.2008.03.004
引用本文: 代鲁平, 杨平. 破损船体的极限强度估算[J]. 中国舰船研究, 2008, 3(3): 18-22,33. DOI: 10.3969/j.issn.1673-3185.2008.03.004
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Dai Luping, Yang Ping. Estimation of Ultimate Strength for Damaged Ships[J]. Chinese Journal of Ship Research, 2008, 3(3): 18-22,33. DOI: 10.3969/j.issn.1673-3185.2008.03.004
Citation: Dai Luping, Yang Ping. Estimation of Ultimate Strength for Damaged Ships[J]. Chinese Journal of Ship Research, 2008, 3(3): 18-22,33. DOI: 10.3969/j.issn.1673-3185.2008.03.004
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破损船体的极限强度估算

Estimation of Ultimate Strength for Damaged Ships

    摘要
  • 摘要: 采用全塑性-全屈曲应力分布和弹塑性应力分布两种模式相结合的分析方法，对破损船体的弯曲极限强度计算进行了公式推导。通过一个实船算例对破损船体的结构极限承载力进行了计算与比较。结果表明，本文解析方法与逐步破坏法结果相近，且具有较好精度，可以用来估算破损船体的剩余极限强度，在破损船体剩余强度计算中具有一定的应用价值。

     

    Abstract: Using the combination of full-plastic-buckling stress distribution pattern and elastic-plastic stress distribution pattern, the paper derives formulas to calculate the ultimate strength of moment for damaged ships. Through an actual damaged ship example, the calculated results from the two methods are compared with each other to estimate the structural ultimate capacity. It shows that the resuits are quite well and can be used in practice.

     

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