IBHM - Index Based Hybrid Meshes

MatLab files and documentation for the IBHM (Index-based hybrid mesh) topological data structures described in DOI:10.1007/s00366-015-0395-0

IBHM

Developed by:
JP Moitinho de Almeida ([e-mail]) - Instituto Superior Técnico - Universidade de Lisboa (https://tecnico.ulisboa.pt/en/)
Luiz Fernando Martha ([e-mail]) - Pontifícia Universidade Católica do Rio de Janeiro - PUC-Rio (www.puc-rio.br)

These classes build matlab objects with topological data structures for the representation of 2D and 3D hybrid meshes, i.e., meshes composed of elements of different types.

These classes allow for a simple and efficient implementation of topological queries.

Quick start:

For che, the 2D data structure

* If using the gmsh interface, copy che.m and che_gmsh.m to your working directory and execute

m = che_gmsh();
m.load('yourfile.msh'); % a sample 'Simple.msh' is provided
% you can now access the adjacency information, for example of vertex 5
[faces, edges] = m.get_ce_v(5);

* A "bare" implementation is also available in che_test.m, with a test call in run_che_test.m

For chf, the 3D data structure

* If using the gmsh interface, copy chf.m, chf_cell.m and che_gmsh.m to your working directory and execute

m = chf_gmsh();
m.load('yourfile.msh'); % a sample 'Tap1.msh' is provided
% you can now access the adjacency information, for example of vertex 5
[cells, faces, edges] = m.get_cfe_v(5);

* A "bare" implementation is also available in chf_test.m, with several test calls in run_chf_*.m

GitLab repository:

* Available at https://gitlab.com/lfmartha/ibhm.

Wiki:

* Check the [wiki](https://gitlab.com/lfmartha/ibhm/wikis/home) for more details.

Matlab documentation:

* The documentation, as published in matlab, is available in folders che/doc and chf/doc.