论文标题
部分可观测时空混沌系统的无模型预测
PCWE for FSAI -- Derivation of scalar wave equations for fluid-structure-acoustics interaction of low Mach number flows
论文作者
论文摘要
本文通过利用瞬时速度场作为对流操作员的基础，提出了对流动波方程的新型推导。在建模流体结构 - 声学相互作用（FSAI）问题的背景下，这种方法具有特殊的意义，例如在人类发声中遇到的问题或涉及具有灵活叶片风扇的系统。通过两种不同的方法探索了推导：一种从线性化的压缩方程（LPCE）开始，另一个从变体2（APE-2）的声学扰动方程中探索。对这些替代推导的比较分析可能有助于对FSI场景和空气声学中涉及的潜在物理学有更深入的了解。
This paper presents a novel derivation of the perturbed convective wave equation by utilizing the instantaneous velocity field as the foundation for the convective operator. This approach holds particular significance in the context of modeling fluid-structure-acoustic interaction (FSAI) problems, such as those encountered in human phonation or systems involving fans with flexible blades. The derivation is explored through two distinct methodologies: one commencing from the linearized perturbed compressible equations (LPCE) and the other rooted in the acoustic perturbation equations of variant 2 (APE-2). The comparative analysis of these alternative derivations may contribute to a more profound understanding of the underlying physics involved in FSI scenarios and aeroacoustics.
