通过可符合的卡普托非多项式支线方法有效模拟时间分数科尔特韦格-德弗里斯方程
Majeed A Yousif1, Faraidun K Hamasalh2, Ahmad Zeeshan3
1Department of Mathematics, College of Education, University of Zakho, Duhok, Iraq.
PloS one
|June 26, 2024
概括
使用可符合的卡普托分数非多项式斜线的新数值方法准确地解决了时间分数的科尔特韦格-德弗里斯 (KdV) 方程. 这种强大的方法证明了对复杂波浪建模的无条件稳定性和卓越效率.
科学领域:
- 数字分析 数字分析
- 计算数学 计算数学 计算数学
- 分数微积分的计算.
背景情况:
- 时间分数Korteweg-de Vries (KdV) 方程模拟了各种现象,包括浅水波.
- 现有的数值方法往往面临着对分数顺序导数的准确性和稳定性的挑战.
- 需要强大而高效的数值技术来解决这些复杂的方程.
研究的目的:
- 引入一种新的数值方法来解决时间分数KdV方程.
- 为了提高分数微分方程的精度和建模能力.
- 确定拟议方法的稳定性和准确性.
主要方法:
- 开发一个符合卡普托的分数非多项式支线方法.
- ·诺伊曼稳定性分析的应用.
- 使用图形和错误规范评估,与现有的数值技术进行比较分析.
主要成果:
- 提出的方法在特定参数下表现出无条件的稳定性.
- 使用L2和L∞误差规范进行定量评估证实了该方法的优越性.
- 与其他方法相比,图形表示 (轮,2D/3D) 验证了准确性和效率.
结论:
- 符合卡普托的分数非多项式支线方法为时间分数KdV方程提供了强大的和准确的解决方案.
- 该研究通过严格的数值分析和比较研究来验证该方法的有效性.
- 这种新的方法推进了分数微分方程的数值处理.
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