How to Use Offset Surface Local Refinement Regions – Add Local Sizing – Fluent Watertight Workflow

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This video shows how to create an offset surface for creating a local refinement region using the Ansys Fluent Meshing Watertight Geometry Workflow. The free version of Ansys Student can be downloaded for free, here. Download the files here to follow the video step-by-step.

The Watertight Geometry Workflow in Ansys Fluent Meshing is a guided workflow designed to quickly mesh any clean watertight geometry. The guided workflow directs a user through a step-by-step process of simple, intuitive inputs. Behind the scenes, Fluent Meshing uses built-in intelligence and automation to create a high-quality CFD mesh.

It is sometimes necessary to create local volumetric refinement regions in your computational domain to capture wakes and laminar-to-turbulent flow transitions. In this video, using the example of a concept car, we will learn to set up the “offset surface” refinement region and understand the different types of offset surface BOIs that can be created using the “Create Local Refinement Region” task.

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I got a warning when create the local refinement 'Warning: Failed to remesh 1 area(s). Just mesh size adaptation was done for those area(s).
Faces in those area(s) have been marked.' Can someone know why this warning happens?

zongweizhang