Importing CT image on 5.2 version

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Dear all,

As a new user of COMSOL, I would like to inquire if there are any examples or instructions available for importing CT micro 2D images of a rock into COMSOL. Specifically, I am interested in creating a mesh and modeling diffusion in order to obtain the effective diffusion coefficient. I would greatly appreciate any guidance or resources you can provide on this matter.

Kind regards


1 Reply Last Post May 26, 2023, 8:55 a.m. EDT
Jeff Hiller COMSOL Employee

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Posted: 2 weeks ago May 26, 2023, 8:55 a.m. EDT
Updated: 2 weeks ago May 26, 2023, 9:59 a.m. EDT

Hello Abdelrazik,

This tutorial illustrates two different approaches you can take. The following blog posts may be useful to you as well: Modeling irregular shapes..., How to use interpolated material data... and Generating a simulation mesh.... Yet another approach consists in using a third party tool to generate the mesh and importing that mesh into COMSOL.

Best,

Jeff

PS: 5.2 is a rather old version of COMSOL, and there have been a number of enhancements made to the software since then, so not I am not sure that all techniques presented in these resources are available to you.

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Jeff Hiller
Hello Abdelrazik, [This tutorial](https://www.comsol.com/model/pore-scale-flow-488) illustrates two different approaches you can take. The following blog posts may be useful to you as well: [Modeling irregular shapes...](https://www.comsol.com/blogs/modeling-irregular-shapes-how-to-import-curve-data-and-loft-a-solid/), [How to use interpolated material data...](https://www.comsol.com/blogs/how-to-use-interpolated-material-data-to-model-irregular-geometries/) and [Generating a simulation mesh...](https://www.comsol.com/blogs/generating-a-simulation-mesh-of-a-femur-from-3d-data/). Yet another approach consists in using a third party tool to generate the mesh and importing that mesh into COMSOL. Best, Jeff PS: 5.2 is a rather old version of COMSOL, and there have been a number of enhancements made to the software since then, so not I am not sure that all techniques presented in these resources are available to you.

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