Zobrazeno 1 - 10
of 417
pro vyhledávání: '"hull structure"'
Publikováno v:
Frattura ed Integrità Strutturale, Vol 18, Iss 69, Pp 129-141 (2024)
Mechanical processing of hole edges in large-size hull structures of single and double curvature for welding saturation parts into them is an urgent task of shipbuilding. A considerable amount of such machining has to be performed directly on the sli
Externí odkaz:
https://doaj.org/article/34ebe2834caf4bf59e31e2141e827020
Publikováno v:
Frattura ed Integrità Strutturale, Vol 18, Iss 69 (2024)
Mechanical processing of hole edges in large-size hull structures of single and double curvature for welding saturation parts into them is an urgent task of shipbuilding. A considerable amount of such machining has to be performed directly on the sli
Externí odkaz:
https://doaj.org/article/2b7d2502be1e474686bdb093845ebe00
Publikováno v:
Zhongguo Jianchuan Yanjiu, Vol 18, Iss 5, Pp 57-64 (2023)
ObjectivesHigh fidelity finite element models and effective load identification technology are very important for ship structure health monitoring and evaluation. Therefore, a model updating and load identification method based on improved particle s
Externí odkaz:
https://doaj.org/article/bb54f10747d34967ad5a76f172bb9dd6
Publikováno v:
Zhongguo Jianchuan Yanjiu, Vol 18, Iss 4, Pp 242-250 (2023)
ObjectiveThis paper analyses the fatigue life of weld cracks in a large opening coaming with a conical shell under uniform pressure load. MethodsFirst, a finite element model of an underwater pressure-hull structure is built. Next, the peril point an
Externí odkaz:
https://doaj.org/article/dfe990b85347431db8536aa3f67d392a
Publikováno v:
Journal of Marine Science and Engineering, Vol 12, Iss 7, p 1184 (2024)
In this study, the finite element method combined with the model test method are used to investigate the ultimate strength of a target ship reactor hull structure under a pure bending load. Based on the distortion similarity theory and nonlinear simi
Externí odkaz:
https://doaj.org/article/d4ec04d1464e4e2c8b1e537b336cfb7f
Publikováno v:
Forces in Mechanics, Vol 11, Iss , Pp 100189- (2023)
DMR 249A is a micro-alloyed high strength low alloy (HSLA) steel particularly designed for shipbuilding structures due to its excellent strength-to-weight ratio. In this investigation, the rotating-beam fatigue test was performed on the flux-cored ar
Externí odkaz:
https://doaj.org/article/069859b70ffe4017a43b420cf2127be3
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Akademický článek
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Publikováno v:
Zhongguo Jianchuan Yanjiu, Vol 16, Iss 6, Pp 159-165 (2021)
ObjectivesThe design domain for the topological optimization of ship structures is usually based on two-dimensional shell elements. However, the thickness difference of the design domain affects the setting of volume fraction constraints and the acqu
Externí odkaz:
https://doaj.org/article/9d9bbc11eac346bea1e93bd5c6785fdd