在电磁散射中对介电目标形状的优化进行异地质边界元素方法分析
Chengmiao Liu1,2, Qingxiang Pei2, Ziyu Cui2
1Department of Neurosurgery, Zhumadian Central Hospital, Affiliated Hospital of Huanghuai University, Zhumadian, China.
Science progress
|November 19, 2024
概括
本研究介绍了一种异地质边界元素方法 (IGABEM),用于优化2D介电介质中的电磁散射. 它使用灰狼优化器-ANN进行高效,准确的多频雷达截面优化.
科学领域:
- 计算电磁学的计算.
- 数字分析 数字分析
- 应用数学 应用数学 应用数学
背景情况:
- 电磁散射分析对于设计先进系统至关重要.
- 优化散射形式需要准确的几何表示和高效的计算.
- 在优化过程中,现有的方法可能会面临几何真实性和计算成本方面的挑战.
研究的目的:
- 开发一种可靠的方法来优化2D介电介质中的电磁散射形式.
- 为了确保几何精度,并防止在优化过程中过度精炼网格.
- 创建一个高效和准确的替代模型,用于多频散射优化.
主要方法:
- 频域边界元素方法与异地质分析 (IGABEM) 集成.
- 使用非统一的理性B-splines (NURBS) 进行边界积分的分离,以提高准确性和速度.
- 开发基于灰狼优化器的反向传播神经网络 (GWO-ANN) 作为替代模型.
- 使用雷达截面 (RCS) 作为优化目标函数.
主要成果:
- IGABEM确保了几何正确性,并避免了过度精炼网格.
- 基于NURBS的离散使得快速准确的数值计算成为可能.
- GWO-ANN 作为一个有效的替代模型,以优化形状.
- 拟议的算法高效准确地解决了多频电磁散射问题.
结论:
- 开发的IGABEM与GWO-ANN相结合,为优化电磁散射形状提供了一种高效准确的方法.
- 这种方法在复杂的散射问题中增强了几何控制和计算性能.
- 该方法适用于多频率优化任务,在设计过程中提供了显著的优势.
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