How to create perfect mesh transition from coarse Hexagonal elements to fine mesh?

5 mesh control (2)

Gmsh 4.12.2

✓ ANSYS MESHING - Fine Mesh - Basic Tutorial 1

How can I produce a mesh as shown in the attached image?

Efficiently Mesh Your Model Geometry with Meshing Sequences

Blog Verification And Quality Assurance Of Finite Element Meshes And Errors In The Model

Blog Verification And Quality Assurance Of Finite Element Meshes And Errors In The Model

Getting Started with ABAQUS/Standard: Keywords Version (v6.5-1)

Towards a robust and portable pipeline for quad meshing: Topological initialization of injective integer grid maps - ScienceDirect

Ensuring Element Quality for Mesh Size Transition

Gmsh 4.12.2

Choosing the Right Element Type and Size for FEA Modeling and Meshing