Multi-objective Optimization to Increase Nusselt Number and Reduce Friction Coefficient of Water/Carbon Nanotubes via NSGA II using Response Surface Methodology

Petrudi, Amin Moslemi; Fathi, Pourya; Rahmani, Masoud

doi:10.21467/jmsm.3.1.1-14

Cited by 3 publications

(2 citation statements)

References 17 publications

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“…Here, stabilization is an important concept in quality statistics which indicates minimizing the effects of secondary variables or friction [20]. Benefits of RSM method:…”

Section: Numerical Calculationsmentioning

confidence: 99%

Numerical and Experimental Analysis of Stacking Sequences Effects in Composite Mechanical Joints under Impact Loadings

Fathi

Oskouei

Vahedi

et al. 2020

Frattura Ed Integrità Strutturale

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The paper deals with composite structures in the field of advanced and modern structures in engineering design and according to high specification of composite materials such as high strength to weight ratio use in various industries such as aerospace, marine. One of the most important fields that Researchers have paid less attention to that is to investigate the effect of stacking sequence on the strength of mechanical joints under impact loading. In view of changing the mechanical properties of composite materials by changing the arrangement of layers, in this study, the effect of different orientation of layers on the strength of pin joints in glass-epoxy composites under low-velocity tensile impact has been investigated. Using the Abaqus software and the finite element method, the impact simulation and the force applied to the mechanical joint were analyzed. To evaluate the simulations, the results of the finite element method have been compared with the experimental results. By observing the results, the introduced finite element model is well-considered and is well-matched with the result of the experimental dataset, which made it a valuable tool for predicting the strength of multi-layer composite materials under impact loadings. Using the results of the model, one can analyze the distribution and type of stress and strain in each layer of composite.

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“…Here, stabilization is an important concept in quality statistics which indicates minimizing the effects of secondary variables or friction [20]. Benefits of RSM method:…”

Section: Numerical Calculationsmentioning

confidence: 99%

Numerical and Experimental Analysis of Stacking Sequences Effects in Composite Mechanical Joints under Impact Loadings

Fathi

Oskouei

Vahedi

et al. 2020

Frattura Ed Integrità Strutturale

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“…Foam materials are modeled with the homogeneous elastic model in Ansys, which is obtained by testing the linear equation of state and the Foam Crushable strength model in Autodyn and the data related to this model from the material pressure test. To use this model, the software strength only allows the user to use the linear model equation[36][37][38][39][40].…”

mentioning

confidence: 99%

Experimental and numerical optimization study of shock wave damping in aluminum panel sandwich

Rahmani

Petrudi

2020

Frattura Ed Integrità Strutturale

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Sandwich panels with polymer composite and light core composites are widely used in aircraft and spacecraft, vessels, trains, submarines, and cars. Due to their high strength to weight ratio, high stability, and high corrosion resistance, these structures have become particularly important in the industry. Reduction in impact energy, shock waves, and noise in many industries, including the automotive and military industries. Porous materials have always been the focus of attention due to their shock-reducing effects in various protective applications. For this reason, the study of physics governing shock propagation problems in porous media is of particular importance, and the complexity of the governing equations also results in the numerical solution of these equations with many computational problems and costs. In this paper, shock wave damping is investigated numerically and experimentally in aluminum blocks with porous grains scattered inside aluminum. The deformations of the specimens in numerical simulation and experimental testing have been compared. The results show that this material behaves similarly to the aluminum foam in both static loadings (practical pressure testing) and dynamic loading (explosion simulation) results, again similar to aluminum foam.

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Comparative rheological study on hybrid nanofluids with the same structure of MWCNT (50%)-ZnO(50%)/SAE XWX to select the best performance of nano-lubricants using response surface modeling

Esfe

Alidust

Ardeshiri

et al. 2022

Colloids and Surfaces A: Physicochemical and Engineering Aspect

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Multi-objective Optimization to Increase Nusselt Number and Reduce Friction Coefficient of Water/Carbon Nanotubes via NSGA II using Response Surface Methodology

Cited by 3 publications

References 17 publications

Numerical and Experimental Analysis of Stacking Sequences Effects in Composite Mechanical Joints under Impact Loadings

Numerical and Experimental Analysis of Stacking Sequences Effects in Composite Mechanical Joints under Impact Loadings

Experimental and numerical optimization study of shock wave damping in aluminum panel sandwich

Comparative rheological study on hybrid nanofluids with the same structure of MWCNT (50%)-ZnO(50%)/SAE XWX to select the best performance of nano-lubricants using response surface modeling

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