March 16, 2021 at 11:41 pm
April 22, 2022 at 10:20 pmGuilin SunAnsys Employee
More than one override mesh regions: In some cases more than one override mesh is needed. Due to the meshing mechanism, from finer mesh to coarser mesh, it has gradual change. By default it has the graded factor 1.414. Therefore, for layered structures or when you add two cascaded override meshes, the actual mesh will not behave as expected. For example, one layer has a thickness of 30nm, and the other has 70nm. You add two override regions: one has 3nm mesh size and the other has 7nm to expect integer number of meshes for each layer. But the result will have some graded meshes from the finer mesh 3nm to 7nm.
I would suggest to test the meshing if you have complicated structure and more than one override regions. Please note that the override region will have one mesh buffer on each side.
You can set the override to have 1D,2D or 3D specified mesh sizes.
The override region can also be attached with a specified object.
May 24, 2023 at 12:45 amGuilin SunAnsys Employee
Please note that in most cases the override mesh may not be used to release the heavy memory burden. Otherwise the result accuracy can be poor, except that you know the reason, such as in this example: https://optics.ansys.com/hc/en-us/articles/360042357654-CMOS-Optimize-microlens-ROC
- You must be logged in to reply to this topic.
Boost Ansys Fluent Simulations with AWS
Computational Fluid Dynamics (CFD) helps engineers design products in which the flow of fluid components is a significant challenge. These different use cases often require large complex models to solve on a traditional workstation. Click here to join this event to learn how to leverage Ansys Fluids on the cloud, thanks to Ansys Gateway powered by AWS.
Earth Rescue – An Ansys Online Series
The climate crisis is here. But so is the human ingenuity to fight it. Earth Rescue reveals what visionary companies are doing today to engineer radical new ideas in the fight against climate change. Click here to watch the first episode.
Subscribe to the Ansys Blog to get great new content about the power of simulation delivered right to your email on a weekly basis. With content from Ansys experts, partners and customers you will learn about product development advances, thought leadership and trends and tips to better use Ansys tools. Sign up here.
- “Import optical generation” or “delta generation rate”?
- Why am I getting “process exited without calling finalize”, and how do I fix it?
- Using a license file on a new license server
- Ansys Insight: Diverging Simulations
- Error: addfdtd is not a valid function or a variable name
- Questions about the calculation of the cross-polarization conversion efficiency of metasurface
- Finding your Ansys (or Lumerical) account number
- Error on Lumerical device
- Ansys Insight: About override mesh in FDTD: its use and settings
- Lumerical – error message when trying to open from Linux terminal
© 2023 Copyright ANSYS, Inc. All rights reserved.