Theoretical Study on the Collapse Property of Casing
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摘要: 抗擠毀性能是油套管的一項至關重要的性能指標．橢圓度和壁厚不均是存在于油套管中的初始微小幾何缺陷．運用Koiter初始后屈服理論分析承受均勻外壓力的長薄壁油套管的后屈曲性態及其缺陷敏感性，得出承受均勻外壓力的長薄壁油套管具有后屈曲穩定性的結論．Abstract: Koiter's Initial Postbuckling Theory is applied to analyse the long thin-walled casing under uniform external pressure, from which it is concluded that the long thin-walled casing under uniform external pressure owns postbuckling stablity.
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Key words:
- casing /
- collapse /
- initial postbuckling
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