Numerical and theoretical analysis of burst pressures for casings with eccentric wear

Chen, Zhanfeng; Zhu, Wancheng; Di, Qinfeng; Li, Shiqiang

doi:10.1016/j.petrol.2016.05.024

Cited by 22 publications

(5 citation statements)

References 15 publications

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“…The equations for blast pressure prediction are shown in Table 1. Additionally, previous studies on pipelines with corrosion and wear defects by the author of this paper revealed several static blasting pressure equations [26][27][28][29]. However, because the blast pressure is a typical high-strain-rate load [30], these static blast pressure prediction equations cannot accurately predict the blast pressure of a cylindrical shell subjected to an internal explosive load.…”

Section: Dynamic Blast Pressurementioning

confidence: 84%

Theoretical and Numerical Analysis of Blasting Pressure of Cylindrical Shells under Internal Explosive Loading

Chen

Wang

Sang

et al. 2021

JMSE

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Cylindrical shells are principal structural elements that are used for many purposes, such as offshore, sub-marine, and airborne structures. The nonlinear mechanics model of internal blast loading was established to predict the dynamic blast pressure of cylindrical shells. However, due to the complexity of the nonlinear mechanical model, the solution process is time-consuming. In this study, the nonlinear mechanics model of internal blast loading is linearized, and the dynamic blast pressure of cylindrical shells is solved. First, a mechanical model of cylindrical shells subjected to internal blast loading is proposed. To simplify the calculation, the internal blast loading is reduced to linearly uniform variations. Second, according to the stress function method, the dynamic blast pressure equation of cylindrical shells subjected to blast loading is derived. Third, the calculated results are compared with those of the finite element method (FEM) under different durations of dynamic pressure pulse. Finally, to reduce the errors, the dynamic blast pressure equation is further optimized. The results demonstrate that the optimized equation is in good agreement with the FEM, and is feasible to linearize the internal blast loading of cylindrical shells.

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Section: Dynamic Blast Pressurementioning

confidence: 84%

Theoretical and Numerical Analysis of Blasting Pressure of Cylindrical Shells under Internal Explosive Loading

Chen

Wang

Sang

et al. 2021

JMSE

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“…Evans and Miller (2015) used non-linear finite element technique to calculate the failure pressure very well for symmetric vessel, however, the asymmetric pressure vessel failed at the weld instead of the predicted location. Chen et al (2016) proposed a three-dimensional finite element model for predicting the burst pressure of pipelines with geometric eccentricity and compared the numerical results with the full-scale experimental data. Kim et al (2019) conducted the systematic finite element damage analysis on the steam generator tubes with surface cracks and proposed a series of burst pressure estimation equations based on analytical local collapse load approach.…”

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Finite element analysis and experimental validation of the failure characteristic of pressurized cylinder

Chai,

Zhong,

et al. 2023

IJSI

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PurposeThe high-pressure accumulator has been widely used in the hydraulic system. Failure pressure prediction is crucial for the safe design and integrity assessment of the accumulators. The purpose of this study is to accurately predict the burst pressure and location for the accumulator shells due to internal pressure.Design/methodology/approachThis study concentrates the non-linear finite element simulation procedure, which allows determination of the burst pressure and crack location using extensive plastic straining criterion. Meanwhile, the full-scale hydraulic burst test and the analytical solution are conducted for comparative analysis.FindingsA good agreement between predicted and measured the burst pressure that was obtained, and the predicted failure point coincided very well with the fracture location of the actual shell very well. Meanwhile, the burst pressure of the shells increases with wall thickness, independent of the length. It can be said that the non-linear finite element method can be employed to predict the failure behavior of a cylindrical shell with sufficient accuracy.Originality/valueThis paper can provide a designer with additional insight into how the pressurized hollow cylinder might fail, and the failure pressure has been predicted accurately with a minimum error below 1%, comparing the numerical results with experimental data.

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“…Considering the influence of the ratio of metal yield strength to tensile strength (Y/T) on the bursting pressure, Chen [ 32 ] proposed a multi-parameter failure criterion including (Y/T). Chen [ 33 , 34 ] first proposed the DCA model, a theoretical model using thick-walled worn casing, and obtained the stress analytical solution for thick-walled corroded pipes. The model is used to develop a series of burst pressure equations to predict the burst pressure of corroded pipes.…”

Section: Introductionmentioning

confidence: 99%

Burst Pressure Prediction of Subsea Supercritical CO2 Pipelines

Wang

Chen

et al. 2022

Materials

Self Cite

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To improve transportation efficiency, a supercritical CO2 pipeline is the best choice for large-scale and long-distance transportation inshore and offshore. However, corrosion of the pipe wall will occur as a result of the presence of free water and other impurities present during CO2 capture. Defects caused by corrosion can reduce pipe strength and result in pipe failure. In this paper, the burst pressure of subsea supercritical CO2 pipelines under high pressure is investigated. First, a mechanical model of corroded CO2 pipelines is established. Then, using the unified strength theory (UST), a new burst pressure equation for subsea supercritical CO2 pipelines is derived. Next, analysis of the material’s intermediate principal stress parameters is conducted. Lastly, the accuracy of the burst pressure equation of subsea supercritical CO2 pipelines is proven to meet the engineering requirement by experimental data. The results indicate that the parameter b of UST plays a significant role in determining burst pressure of pipelines. The study can provide a theoretical basis and reference for the design of subsea supercritical CO2 pipelines.

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Numerical and theoretical analysis of burst pressures for casings with eccentric wear

Cited by 22 publications

References 15 publications

Theoretical and Numerical Analysis of Blasting Pressure of Cylindrical Shells under Internal Explosive Loading

Theoretical and Numerical Analysis of Blasting Pressure of Cylindrical Shells under Internal Explosive Loading

Finite element analysis and experimental validation of the failure characteristic of pressurized cylinder

Burst Pressure Prediction of Subsea Supercritical CO2 Pipelines

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