Biodiesel synthesis from waste coconut scum oil utilizing SnFe2O4/cigarette butt-derived biochar as a magnetic nanocatalyst: Optimization, kinetic and thermodynamic study

Process Safety and Environmental Protection, Год журнала: 2024, Номер 210, С. 311 - 327

Опубликована: Авг. 27, 2024

Язык: Английский

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Extending a higher-order foldability constitutive model for dynamic response analysis of 3D-reinforced shell of deformable

Acta Mechanica, Год журнала: 2025, Номер unknown

Опубликована: Янв. 20, 2025

Язык: Английский

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On the Propagation of Bulk Waves in Functionally Graded Beams with Consideration for Imperfection

Physical Mesomechanics, Год журнала: 2025, Номер 28(1), С. 134 - 144

Опубликована: Фев. 1, 2025

Язык: Английский

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Application of the modified Wakashima–Tsukamoto model on nonlocal torsional vibration analysis of functionally graded Timoshenko–Gere microbeam

Acta Mechanica, Год журнала: 2025, Номер unknown

Опубликована: Фев. 22, 2025

Язык: Английский

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Mechanical relation under torsional loading for composite round shaft with porous metal foam core

Multidiscipline Modeling in Materials and Structures, Год журнала: 2025, Номер unknown

Опубликована: Март 3, 2025

Purpose The round shaft that needs to be subjected torsional loading is a class of common engineering component in structures. purpose this paper mainly find the mechanical relationship under for lightweight with metal foam as core and dense tube shell. Design/methodology/approach On basis octahedral model porous materials, would deduced both shell composite shaft, which torsion occurs. Findings non-margin design can characterized by mathematical also established safe loading. Originality/value could new type excellent comprehensive performances. Here an open-cell reticular structure functional part multidiscipline functions, like sound absorption, noise reduction, energy vibration reduction heat exchange. Thus, has advantage physical properties.

Язык: Английский

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Smart analysis of sandwich foldable cylinders as gymnastic accessories

Mechanics of Advanced Materials and Structures, Год журнала: 2024, Номер unknown, С. 1 - 18

Опубликована: Окт. 8, 2024

A novel smart analysis of sandwich composite cylindrical shell is presented in this article. It assumed that the manufactured from graphene origami reinforced copper core between two intelligent layers. The proposed structure article can be used as an idealized model for cylinder shapes gymnastic sport and physical therapy units. virtual work principle piezo elasticity framework coordinate system extended to derive governing equations. To arrive at more accurate results, a third order shear deformable kinematic relations. electro elastic responses are explored using analytical method seek impact main parameters such foldability parameter, content percent, applied electric potential on strain, deformation stress results.

Язык: Английский

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Static analysis of foldable pressurized and thermally loaded cylindrical shell as an expander in sport equipment reinforced by G-Ori nanofillers

Mechanics of Advanced Materials and Structures, Год журнала: 2024, Номер unknown, С. 1 - 13

Опубликована: Окт. 8, 2024

The present work investigates stress, strain and deformation analyses of a shear deformable cylindrical shell manufactures by Copper (Cu) core reinforced with graphene origami auxetic metamaterial subjected to mechanical thermal loads. models can be used in sport equipment especially expander component. effective material properties the Cu matrix are developed using micromechanical cooperate both terms local temperature, volume fraction folding degree. principle virtual is derive governing equations accounting loading.

Язык: Английский

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Free vibration and buckling behavior of porous orthotropic doubly-curved shallow shells subjected to non-uniform edge compression using higher-order shear deformation theory

Thin-Walled Structures, Год журнала: 2024, Номер 205, С. 112522 - 112522

Опубликована: Окт. 11, 2024

Язык: Английский

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Application of G-Ori metamaterials as sports equipment baseball bat in an electro-magneto-elastic sandwich composite beam

Mechanics of Advanced Materials and Structures, Год журнала: 2024, Номер unknown, С. 1 - 20

Опубликована: Окт. 15, 2024

In this work, a higher order thickness stretched model is employed for electro-magneto-elastic results of shear deformable baseball bat as sandwich beam. The formulation performed using the two dimensional constitutive relations well electric potential and magnetic induction bat. proposed can be used in sport equipment. principle virtual work to derive governing equations presence thermal, electrical loads. physical beam composed graphene origami reinforced copper matric core integrated with piezoelectric/piezomagnetic face-sheets thermal environment excited by potentials.

Язык: Английский

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Electro-magneto-elastic analysis of a sandwich composite beam as diving board in swimming with composed of graphene origami metamaterials

Mechanics of Advanced Materials and Structures, Год журнала: 2024, Номер unknown, С. 1 - 15

Опубликована: Ноя. 13, 2024

A novel composite structure composed of graphene origami reinforcement integrated with piezoelectric/piezomagnetic layers is defined in this paper. The Material composition assumed as steel metamaterials. proposed model can be used a diving board swimming. vibrational-based formulation extended using an advanced higher-order thickness-stretchable model. governing motion equations are derived Hamilton's principle through the computation strain and kinetic energies well external work. constitutive relations for core terms volume fraction, folding degree, thermal load some modifier functions Halpin-Tsai micromechanical models modulus elasticity, Poisson's ratio, expansion coefficient, density. natural frequency responses analytical method characteristics such load, foldability parameter, amount reinforcement. Furthermore, investigation on impact initial electro-magneto-mechanical loads studied responses.

Язык: Английский

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