Modelling MHD slow body modes in solar pores and sunspot umbrae with light bridges.

在本项目中，Aldhafeeri等人（ApJ，2022）简化MHD慢体模式数值模拟的近似将用于使用隐式重新启动Arnoldi方法计算具有光桥的孔隙和太阳黑子本影的本征模式。建模将充分考虑到所观察到的磁波导的不规则横截面形状，并允许背景磁场强度、压力、密度和温度在光球平面内变化，以捕捉光桥的真实结构。由于4米丹尼尔K的全面运行状态，这项研究是最及时的。Inouye太阳望远镜，有史以来最强大的太阳望远镜。

In this project the approximation of Aldhafeeri et al. (ApJ, 2022) to simplify the numerical modelling of MHD slow body modes will be used to calculate the eigenmodes of pores and sunspot umbrae with light bridges using using an implicitly restarted Arnoldi method. The modelling will fully take into account the irregular cross-sectional shape of observed magnetic waveguides and allow the background magnetic field strength, pressure, density and temperature to vary in the plane of the photosphere to capture the realstic structure of light bridges. This research is most timely due to now fully operational status of the 4m Daniel K. Inouye Solar Telescope, the most powerful solar telescope ever built.