# Agglomeration of Block-Structured Meshes A simple strategy to create a fully curved mesh is to use block-structured meshes (must be given in structured CGNS format) and agglomerate linear elements to high order elements. ```{figure} figures/Periodichill_3Dview.png --- name: fig:Periodichill_3Dview width: 400px align: center --- Example of an agglomerated curved mesh of the periodic hill testcase ``` ```{toctree} --- maxdepth: 1 caption: Table of Contents numbered: --- blockstructuredmeshes.md ```