Numerical simulation study on the effect of large explosive contact pipeline explosion on pipeline damage

He, Yanghua; Liu, Zhenyi; Ma, Yunlong; Cai, Peng; Zuo, Zhe

doi:10.1016/j.tws.2022.109146

Cited by 13 publications

(3 citation statements)

References 18 publications

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“…Mokhtari et al [ 15 ] investigated the influence of diameter-thickness ratio (D/t ratio) of pipe and internal pressure on the dynamic performance of the pipe under single-point blast load. He et al [ 16 ] numerically investigated the influence of the size of an explosive and pipe parameters on the damage of pipe caused by large explosives. Parviz et al [ 17 ] studied the parameters of pipes buried in two soil types under explosion load.…”

Section: Introductionmentioning

confidence: 99%

“…Many previous studies have shown that it can simulate the propagation law of shock waves and their impact on the dynamic response of various structures, such as slabs [ 26 , 27 ], beams [ 28 ], bridge decks [ 29 ], and pipes [ 30 , 31 ]. As far as the pipes were consented, most of the researchers concentrated their efforts on studying the dynamic performance of pipes under single-point explosion load [ [13] , [14] , [15] , [16] , [17] , [18] , 30 , 31 ]. However, multiple explosions often occur in actual terrorist attacks or industrial demolition [ 32 , 33 ].…”

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Dynamic buckling response of buried X70 steel pipe with bolted flange connection under two-charge explosion loads

Qu,

Zhang,

et al. 2024

Heliyon

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Dynamic buckling response of buried X70 steel pipe with bolted flange connection under two-charge explosion loads

Qu,

Zhang,

et al. 2024

Heliyon

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“…Mehreganian [28] proved that the coupled method is more consistent with the behavior of the plate after the explosion by comparing the numerical simulation with the experiment. In terms of the finite element algorithm, most scholars [18,29] adopt the fluid-structure coupling algorithm, Lagrangian mesh is used for the main damage part, and Euler mesh is used for other areas.…”

Section: Introductionmentioning

confidence: 99%

The Damage to Thick Steel Plates by Local Contact Explosions

Liu

et al. 2023

Materials

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The paper presents the damage results of thick steel plates subjected to local blast loading using experimental and numerical approaches. Three steel plates with a thickness of 17 mm under the local contact explosion of trinitrotoluene (TNT) explosives were tested, and the damaged parts of the steel plates were scanned using a scanning electron microscope (SEM). ANSYS LS-DYNA software was used to simulate the damage results of the steel plate. By analyzing and comparing the experimental results with the numerical simulation results, the influence law of the TNT acting on the steel plate, the damage mode of the steel plate, the reliability verification of the numerical simulation, and the criterion for judging the damage mode of the steel plate were obtained. Results show that the damage mode of the steel plate changes with the changes in the explosive charge. The diameter of the crater on the surface of the steel plate is mainly related to the diameter of the contact surface between the explosive and the steel plate. The fracture mode of the steel plate in the process of generating cracks is a quasi-cleavage fracture, and the process of generating craters and perforations in the steel plate is a ductile fracture. The damage mode of the steel plates can be divided into three types. The numerical simulation results have minor errors and high reliability, and numerical simulation can be used as an auxiliary tool for experiments. A new criterion is proposed to predict the damage mode of the steel plates under contact explosion.

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