Jae Dong Chung's research while affiliated with Sejong University and other places

... partial differential equations, trying to find solutions that show the interesting complexity of these systems and to shed light on their special features [15][16][17][18] . The studies referenced cover a wide range of topics, from aerospace engineering to materials science and physics. ...

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Fractional dynamics study: analytical solutions of modified Kordeweg-de Vries equation and coupled Burger’s equations using Aboodh transform

... Subsequently, the model will be extended to include differential group delay and, ultimately, dispersion-flattened fibers. These awaited results will be sequentially reported once organized, following the structure of the cited works [32][33][34][35][36][37][38][39][40][41][42][43]. ...

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Highly dispersive optical solitons with generalized quadratic—cubic form of self—phase modulation by Sardar sub—equation scheme

... Assume that the Eq. (7) has the solution of the form as follows 34,35 : www.nature.com/scientificreports/ where coefficients c j (j = 0, 1, 2...N) are constants to be determined such that c j = 0,and Q j (χ) = 1 rA �χ +sA −�χ is solution of nonlinear ODE. ...

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Solitonic solutions and stability analysis of Benjamin Bona Mahony Burger equation using two versatile techniques

... Optical soliton pulses play a pivotal role in soliton communication technology, facilitating efficient data transmission over transoceanic distances and transcontinental networks within the telecommunications industry [5][6][7]. This technology extends its influence to optical fibers, optical communication systems, and all-optical switching strategies, contributing to the advancement and optimization of communication networks [8][9][10]. Solitons find captivating applications in the efficient transmission of short pulses through optical fibers, a subject comprehensively covered in [5,11]. ...

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Soliton unveilings in optical fiber transmission: Examining soliton structures through the Sasa-Satsuma equation

... Hybrid nanofluids are created using carbon nanotubes (CNTs) in cylindrical form and iron oxide. An inquiry to elucidate the flow behaviour of a Ree-Eyring hybrid nanofluid under stretching flow conditions was conducted by Ali et al. [25], who studied SiO2 and GO for their potential use as hybrid nanoparticles in combination with carboxymethyl cellulose (CMC) in water at low concentrations. A concentration range between 0.0 and 0.4% is recommended for use as the base fluid (CMC water). ...

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Heat and Mass Transformation of Casson Hybrid Nanofluid (MoS2 + ZnO) Based on Engine Oil over a Stretched Wall with Chemical Reaction and Thermo-Diffusion Effect

... Besides, vehicle air conditioning systems, also found in private and commercial vehicles, have a major impact on greenhouse gas emissions and the world's oil consumption. [1][2][3][4]. Refrigerants containing chlorofluorocarbons (CFC) and hydrochlorofluorocarbons (HCFC) interact with the ozone layer in the atmosphere and have the potential to deplete the ozone layer. This effect is called the ozone depletion potential (ODP). ...

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Theoretical comparison analysis of R134a, R1234yf, R452A and R454C refrigerants used in automobile, trailer and commercial and industrial cooling systems

... The investigation of nonlinear wave motion is an incredibly fascinating subject that captivates numerous disciplines including optical fibers [1][2][3], plasma physics [4][5][6], biomedical science [7,8], and fluid mechanics [9][10][11]. In order to achieve a deeper understanding of these nonlinear phenomena, it is crucial to determine exact soliton solutions. ...

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Analysis of Kudryashov's equation with conformable derivative via the modified Sardar sub-equation algorithm

... There are many mathematical models have been used to analyze the wave propagation phenomenon in optical fibers. These models include nonlinear Schrödinger equation [7,8], complex Ginzburg-Landau equation [9], Sasa-Satsuma equation [10], Lakshmanan-Porsezian-Daniel (LPD) equation [11], Radhakrishnan-Kundu-Lakshmanan equation [12] and so on. Among the above models, LPD equation B Aiyong Chen aiyongchen@163.com 1 as a famous model was originally derived in [13,14] to give a description of continuum isotropic biquadratic Heisenberg spin chain. ...

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Bifurcations Analysis and Monotonicity of the Period Function of the Lakshmanan–Porsezian–Daniel Equation with Kerr Law of Nonlinearity

... Various techniques have been utilized by different researchers to study NLPDEs and nonlinear Schrödinger equations. These methods include simplest extended equation method (Bilige et al. 2013;Murad et al. 2023), new Kudryashov method (Murad 2023;Murad et al. 2023), Hirota bilinear method (Manafian et al. 2020;Liu et al. 2008), Laplace decomposition method (González-Gaxiola and Biswas 2018), generalized Jacobi elliptic function method (Hosseini et al. 2020, Arefin et al. 2022, used the extended tanh-method to the space-time fractional telegraph equation and the spacetime fractional modified third-order Kdv equation. Zaman et al. (2023), applied the subsidiary extended tanh-function technique to study the nonlinear coupled type Boussinesq-Burger and coupled type Boussinesq equations. ...

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A class of optical solutions for time-fractional perturbed Fokas–Lenells equation via a modified Sardar sub-equation approach

... Ghanmi and Abbas (2019) studied the heat transfer model including fractional derivatives for a living tissue exposed to a moving heat source. Shah et al. (2023) established the bio heat transfer theory using the Riemann-Liouville definition of a fractional derivative. Recently, various problems have been solved by adopting the new generalized theories of heat transfer (Ahmed et al. 2022;Braet et al. 2023;Raza et al. 2023a,b;Riaz and Saeed 2021;Qayuum et al. 2023;Rehman et al. 2021). ...

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Thermo-mechanical waves in a biological tissue under ramp and oscillatory heat in Atangana–Baleanu fractional theory