Hi
See this discussion for help with convergence (go through all of the video).
https://www.youtube.com/watch?v=sZf5p_evqOk
https://www.youtube.com/watch?v=O-qTAiE8Kdo
Finally I would apply the pressure on the surface load and consider making the curved part rigid body instead of fixing all displacements. Also consider using 1/2 symmetry so you have both sides (so mirror it along XY plane) of the rigid form and the glass panel.
All the best
Erik