温变形变结构时域有限积分建模方法研究

提出并实现了一种温变形变结构的时域有限积分(TDFIT)建模方法,通过快速三维插值技术同时解决了非同类热力电网格和参数曲面的形变映射问题,在确保仿真精度的前提下,实现了任意热分布和较小形变量的热力电联合仿真,适用电大、任意非均匀温变和形变材料的仿真建模。设计了蜕化模型、分层收敛等案例验证了方法的必要性、有效性和正确性。为高温高压下天线罩、飞行器的电磁散射和辐射特性建模提供了热力电一体化建模方法和实用仿真工具。

Finite Integral Time-Domain Modeling for Thermal Deformation Structures

In this paper, we propose and implement a time-domain finite integral technique (TDFIT) for modeling thermal deformations and variable structures of any complexity. By employing a rapid 3D interpolation technology, we simultaneously solve the deformation mapping of diverse thermoelectric mesh models and parametric surfaces. Our approach ensures the accurate integrated simulation of thermoelectric properties, arbitrary thermal distributions, and minor shape variations. The proposed method is particularly suitable for materials characterized by electrically large scales, non-uniform temperature changes, and deformations. This study presents a thermoelectric integrated modeling approach and a practical simulation tool for analyzing the electromagnetic scattering and radiation properties of radomes and aircraft under high-temperature and high-pressure conditions.