Study of time-fractional delayed differential equations via new integral transform-based variation iteration technique

IF 2.4 Q2 ENGINEERING, MECHANICAL Nonlinear Engineering - Modeling and Application Pub Date : 2023-01-01 DOI:10.1515/nleng-2022-0267
B. K. Singh, M. Awasthi, S. Agrawal, Mukesh Gupta, Ravi Tomar
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Abstract

Abstract The present article proposes a new-integral transform-based variational iteration technique (NTVIT) to study the behavior of higher-order nonlinear time-fractional delayed differential equations. The NTVIT is a hybrid technique that is developed via the concept of variational theory with the use of the properties of a new integral transform. The stability and convergence of NTVIT are analyzed via Banach’s fixed point theory. The effectiveness and validity of NTVIT solutions are demonstrated via the evaluation of error norms: relative/absolute errors for some test suitable delayed problems of different fractional order. The numerical experiments confirms that NTVIT is capable of producing highly accurate behaviors as compared to some existing techniques.
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基于积分变换的变分迭代技术研究时间分数阶时滞微分方程
本文提出了一种新的基于积分变换的变分迭代技术(NTVIT)来研究高阶非线性时间分数阶时滞微分方程的行为。NTVIT是一种混合技术,它是通过变分理论的概念与利用新的积分变换的性质发展起来的。利用Banach不动点理论分析了NTVIT的稳定性和收敛性。通过对不同分数阶的测试适用延迟问题的相对/绝对误差的误差规范评价,证明了NTVIT解的有效性和有效性。数值实验证实,与现有的一些技术相比,NTVIT能够产生高精度的行为。
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来源期刊
CiteScore
6.20
自引率
3.60%
发文量
49
审稿时长
44 weeks
期刊介绍: The Journal of Nonlinear Engineering aims to be a platform for sharing original research results in theoretical, experimental, practical, and applied nonlinear phenomena within engineering. It serves as a forum to exchange ideas and applications of nonlinear problems across various engineering disciplines. Articles are considered for publication if they explore nonlinearities in engineering systems, offering realistic mathematical modeling, utilizing nonlinearity for new designs, stabilizing systems, understanding system behavior through nonlinearity, optimizing systems based on nonlinear interactions, and developing algorithms to harness and leverage nonlinear elements.
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