Ultimate strength analysis of composite typical joints for ship structures

Shen, Wei; Yan, Rong; Luo, Bailu; Zhu, Yingfu; Zeng, Haiyan

doi:10.1016/j.compstruct.2017.02.008

Cited by 20 publications

(10 citation statements)

References 10 publications

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“…Fiberglass is used for making boats, airplanes, car body or interior swimming pools and so on. In fiberglass composites, the reinforcing component is glass fibers and the binder is plastic (Salekeen and Jones, 2007) (Shen et al, 2017 Other materials are used as longitudinal reinforcement (keel) and transverse reinforcement (frame) so that the hull material does not experience deformation due to the load received. For the frame material used stainless steel is selected.…”

Section: Methodsmentioning

confidence: 99%

Strength Analysis and Assessment of Ina-TEWS Wave Glider

Priohutomo¹,

Nugroho²,

Yulfani³

2020

IJNSE

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Indonesia as a country that often experiences tsunami disasters needs to have an early warning system against tsunami disasters. This system can use various existing technologies, one of which is the tsunami buoy system. The new tsunami buoy system does not use the natural mooring system but uses the wave glider system. This paper discusses the structural strength of the surface floater of wave glider using Eva Foam and Fiberglass material for skin and Alluminium material for frame and kell. The surface floater using 16 pieces for frame and 1 piece for keel. Enviromental loads is use in this paper like hydrodynamics load and weight load. The results from this paper is material from Eva Foam has a maximum principle stress is 12693 Pa and shear stress is 6114.6 Pa. For material from Fiberglass has maximum principle stress is 11.875 Pa and shear stress is 6076.3 Pa. Safety factor (SF) from maximum principle stress and shear stress for Eva Foams is up to 6x and SF for maximum principle and shear stress for Fiberglass is up to 26x. Conclusions for this paper is the desain for surface floater of wave glider it can be operated in the sea with draugh 0.18 m.

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Section: Methodsmentioning

confidence: 99%

Strength Analysis and Assessment of Ina-TEWS Wave Glider

Priohutomo¹,

Nugroho²,

Yulfani³

2020

IJNSE

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“…The material properties of glass fiber reinforced plastics (GFRP), polyvinyl chloride (PVC) foam core, fiber and matrix provided by the manufacturer are shown in Tables 2 to 4, and these properties can be found in Shen et al. 11 The material degradation coefficients are calculated according to the material degradation model and applied to the PFA of the sandwich L-joints (see Table 5. )…”

Section: Specimen Design and Experimental Proceduresmentioning

confidence: 99%

“…Numerical modeling and experimental verifications were carried out to predict the failure load of L-joints under certain accuracy. 11,12…”

Section: Introductionmentioning

confidence: 99%

Progressive failure analysis of marine sandwich joints with a modified material degradation model

Yan

Shen

et al. 2018

Journal of Reinforced Plastics and Composites

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The progressive failure analysis based on a modified stiffness degradation model was proposed to predict mechanical response of sandwich L-joints for ships. A representative volume element was established for the derivation of the modified material degradation model for two-dimensional orthogonal woven fabric structures based on micromechanical theory. The modified Shokrieh failure criterion and six field variables were applied in ABAQUS user subroutines. Three different coordinate systems were used to assign reasonable material orientation. The predictions of ultimate load, stress distribution, load-displacement curve and failure patterns were compared with experimental results. The good consistence indicates the effectiveness of the proposed stiffness degradation model. The FE results show the edge of the arc bracket is the stress concentration area due to the shear lag effect, and the declined slope of load–displacement curve is caused by delamination failure due to the stiffness difference of laminates and foam core.

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“…As one of the basic structural components of large-scale composite marine structures, the mechanics of L-joints have been studied more in [6][7][8]. Feih S. and H.R.…”

Section: Introductionmentioning

confidence: 99%

Failure-Mode Shift of Metal/Composite L-Joint with Grooved Structure under Compressive Load

Kang

Lei

et al. 2022

Polymers

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Bond length and bond interface morphology have a great influence on the performance of metal/composite hybrid joints. In this paper, a metal/composite L-joint with groove structure was designed, and seven groups with different bonding lengths were fabricated using the VARI (Vacuum Assisted Resin Infusion) process to study the effect of different bonding lengths on the performance of the joint. In the simulation analysis of the metal/composite L-joint, the stiffness equivalence method was adopted, and the groove structure was equivalent to a 0-thickness element layer. The applicability of the simulation method was verified by comparing the ultimate load, displacement and failure mode of the test and simulation. Furthermore, the simulation method was used to simulate more compression experiments of metal/composite L-joints with different bonding lengths, and prediction diagrams of failure displacement and failure mode were produced. According to the prediction map, when the bonding length is 100.00 mm, the metal/composite L-joint has better compressive properties.

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Ultimate strength analysis of composite typical joints for ship structures

Cited by 20 publications

References 10 publications

Strength Analysis and Assessment of Ina-TEWS Wave Glider

Strength Analysis and Assessment of Ina-TEWS Wave Glider

Progressive failure analysis of marine sandwich joints with a modified material degradation model

Failure-Mode Shift of Metal/Composite L-Joint with Grooved Structure under Compressive Load

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