流体力学与流体中含气泡的(3+1)维广义非线性波动方程的特定波廓和闭型孤子解

IF 13 1区 工程技术 Q1 ENGINEERING, MARINE
Sachin Kumar , Ihsanullah Hamid , M.A. Abdou
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引用次数: 19

摘要

非线性演化方程(NLEE)经常被用来确定自然现象的基本原理。非线性方程在非线性科学、海洋物理学、流体动力学、等离子体物理学、科学应用和海洋工程中得到了广泛的研究。本文利用广义指数有理函数(GERF)技术,对(3+1)维广义非线性波动方程寻求几种闭合形式的波动解和不同波形的演化动力学,解释了包括气泡在内的液体中的几种非线性现象。生成了大量的闭合形式波解,包括三角函数解、双曲三角函数解和指数有理函数解。在不同孤立波的动力学中,得到了各种孤立子解,包括单孤立子、多波结构孤立子、扭结型孤立子、组合奇异孤立子和奇异型波形。这些确定的解决方案以前从未发表过。通过为自由参数提供合适的值,使用三维图形以图形方式演示了一些解析解的动态波结构。该技术还可以用于获得工程物理、流体动力学和其他非线性科学领域中其他著名方程的孤立子解。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Specific wave profiles and closed-form soliton solutions for generalized nonlinear wave equation in (3+1)-dimensions with gas bubbles in hydrodynamics and fluids

Nonlinear evolution equations (NLEEs) are frequently employed to determine the fundamental principles of natural phenomena. Nonlinear equations are studied extensively in nonlinear sciences, ocean physics, fluid dynamics, plasma physics, scientific applications, and marine engineering. The generalized exponential rational function (GERF) technique is used in this article to seek several closed-form wave solutions and the evolving dynamics of different wave profiles to the generalized nonlinear wave equation in (3+1) dimensions, which explains several more nonlinear phenomena in liquids, including gas bubbles. A large number of closed-form wave solutions are generated, including trigonometric function solutions, hyperbolic trigonometric function solutions, and exponential rational functional solutions. In the dynamics of distinct solitary waves, a variety of soliton solutions are obtained, including single soliton, multi-wave structure soliton, kink-type soliton, combo singular soliton, and singularity-form wave profiles. These determined solutions have never previously been published. The dynamical wave structures of some analytical solutions are graphically demonstrated using three-dimensional graphics by providing suitable values to free parameters. This technique can also be used to obtain the soliton solutions of other well-known equations in engineering physics, fluid dynamics, and other fields of nonlinear sciences.

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来源期刊
CiteScore
11.50
自引率
19.70%
发文量
224
审稿时长
29 days
期刊介绍: The Journal of Ocean Engineering and Science (JOES) serves as a platform for disseminating original research and advancements in the realm of ocean engineering and science. JOES encourages the submission of papers covering various aspects of ocean engineering and science.
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