I also checked convergence by reducing mesh step to 5 nm – dip remains but shifts slightly.
: A subtle but critical topic is using "mesh order" to simulate overlapping objects (e.g., core-shell nanoparticles) without complex boolean geometry. Ansys Innovation Space Expert Advice for Common Bottlenecks Photonics - Ansys Customer Center lumerical forum
The forum serves as a critical support layer for users of FDTD, MODE, CHARGE, and other solvers. It transitioned from the legacy "Knowledge Exchange" (KX) to a unified Ansys platform, which initially met some user resistance due to broken legacy links but has since matured into a well-structured resource. Key Features Expert Moderation : Posts are frequently monitored and answered by Ansys employees and application engineers Searchable Knowledge Base : Users can filter posts I also checked convergence by reducing mesh step
Ansys Lumerical Forum (often referred to as the Ansys Customer Center - Photonics Forum It transitioned from the legacy "Knowledge Exchange" (KX)