Zobrazeno 1 - 10
of 96
pro vyhledávání: '"Dipankar Kumar"'
Autor:
Gour Chandra Paul, Tauhida, Md Nuruzzaman, Md Zakir Hossain, Mrinal Chandra Barman, Dipankar Kumar
Publikováno v:
Heliyon, Vol 10, Iss 15, Pp e34831- (2024)
This paper revisits the distribution of thermodynamic variables within initial protoplanets formed via gravitational instability (GI) across a broad mass spectrum ranging from 0.3MJ to 10MJ (where 1MJ denotes 1 Jupiter mass, equal to 1.8986×1030 g),
Externí odkaz:
https://doaj.org/article/00550f2bcf1249dfab6fb688ff69fcba
Autor:
Dipankar Kumar
Publikováno v:
Heliyon, Vol 10, Iss 14, Pp e34421- (2024)
Qualitative analysis in mathematical modeling has become an important research area within the broad domain of nonlinear sciences. In the realm of qualitative analysis, the bifurcation method is one of the significant approaches for studying the stru
Externí odkaz:
https://doaj.org/article/bff813156d1c47379e3d7e4abc6e0a4c
Publikováno v:
Results in Physics, Vol 54, Iss , Pp 107113- (2023)
The study aims to explore obliquely propagating optical wave solutions to the (2 + 1)-dimensional chiral nonlinear Schrödinger (NLS) equation in both the absence and presence of the Atangana derivative. In order to convert the classical-order chiral
Externí odkaz:
https://doaj.org/article/083e940066ab46bda169c374da4cdf8a
Publikováno v:
Results in Physics, Vol 54, Iss , Pp 107039- (2023)
This study aims to explore the intricate behavior of soliton-like pulses within a nonlinear and lossy electrical transmission line. The transmission line is described by a mathematical model called the “beta derivative”, which is specifically des
Externí odkaz:
https://doaj.org/article/0b31ff778e6646dd9810dd9f4edfc16b
Publikováno v:
Results in Physics, Vol 52, Iss , Pp 106786- (2023)
Propagation of the pressure waves in a liquid with gas bubbles is an important topic in the field of fluid dynamics and mathematical physics. The Kudryashov-Sinelshchikov equation is one of the models that describe the propagation of nonlinear waves
Externí odkaz:
https://doaj.org/article/b283b5cf4c8c4429b8e164b4d3dd38cf
Publikováno v:
Journal of Ocean Engineering and Science, Vol 7, Iss 6, Pp 543-554 (2022)
This paper deals with the closed-form solutions to the family of Boussinesq-like equations with the effect of spatio-temporal dispersion. The sine-Gordon expansion and the hyperbolic function approaches are efficiently applied to the family of Boussi
Externí odkaz:
https://doaj.org/article/f4ad0f02ed4744acb57d5e47b80577b8
Publikováno v:
AIMS Mathematics, Vol 7, Iss 12, Pp 20740-20751 (2022)
In this study, a fourth-order nonlinear wave equation with variable coefficients was investigated. Through appropriate choice of the free parameters and using the simplified linear superposition principle (LSP) and velocity resonance (VR), the examin
Externí odkaz:
https://doaj.org/article/91ec0471cab745b6a7cdb8ba61b714a6
Publikováno v:
Journal of Ocean Engineering and Science, Vol 7, Iss 4, Pp 353-362 (2022)
This paper explores some novel solutions to the generalized Schrödinger-Boussinesq (gSBq) equations, which describe the interaction between complex short wave and real long wave envelope. In order to derive some novel complex hyperbolic and complex
Externí odkaz:
https://doaj.org/article/62644d54e2f84c9da44a42f45ea6ecae
Publikováno v:
Results in Physics, Vol 45, Iss , Pp 106226- (2023)
This study uses the Hirota bilinear method and Maple, a symbolic computation program, to derive lump solutions for a new integrable (3 + 1)-dimensional Boussinesq equation and its dimensionally reduced equations. Furthermore, lump solutions with free
Externí odkaz:
https://doaj.org/article/7a606d75905c4b40980c01c64d41ac86
Publikováno v:
Results in Physics, Vol 44, Iss , Pp 106122- (2023)
This study investigates some analytic solutions and phase portraits to the diffusive predator-prey system in studying the spatiotemporal dynamics of a predator-prey community in ecology through an analytical approach and a qualitative theory of plana
Externí odkaz:
https://doaj.org/article/e7c6e2354cf74aa4a7b04e1766b1bb2f