DualSPHysics Guidelines for Earth Scientists - Revision history

Nick at 16:44, 29 March 2019

2019-03-29T16:44:18Z

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← Older revision		Revision as of 16:44, 29 March 2019
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	<p><sup>1</sup>Crespo, A.J.C., Domínguez, J.M., Rogers, B.D., Gómez-Gesteira, M., Longshaw, S., Canelas, R., Vacondio, R., Barreiro, A., and García-Feal, O., 2015, DualSPHysics: Open-source parallel CFD solver based on Smoothed Particle Hydrodynamics (SPH): Computer Physics Communications, v. 187, p. 204–216, doi: 10.1016/j.cpc.2014.10.004.		<p><sup>1</sup>Crespo, A.J.C., Domínguez, J.M., Rogers, B.D., Gómez-Gesteira, M., Longshaw, S., Canelas, R., Vacondio, R., Barreiro, A., and García-Feal, O., 2015, DualSPHysics: Open-source parallel CFD solver based on Smoothed Particle Hydrodynamics (SPH): Computer Physics Communications, v. 187, p. 204–216, doi: 10.1016/j.cpc.2014.10.004.
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−	~~<pdf>File:Crespo et al 2015.pdf</pdf>~~

← Older revision		Revision as of 17:08, 28 March 2019
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	<p><sup>1</sup>Crespo, A.J.C., Domínguez, J.M., Rogers, B.D., Gómez-Gesteira, M., Longshaw, S., Canelas, R., Vacondio, R., Barreiro, A., and García-Feal, O., 2015, DualSPHysics: Open-source parallel CFD solver based on Smoothed Particle Hydrodynamics (SPH): Computer Physics Communications, v. 187, p. 204–216, doi: 10.1016/j.cpc.2014.10.004.		<p><sup>1</sup>Crespo, A.J.C., Domínguez, J.M., Rogers, B.D., Gómez-Gesteira, M., Longshaw, S., Canelas, R., Vacondio, R., Barreiro, A., and García-Feal, O., 2015, DualSPHysics: Open-source parallel CFD solver based on Smoothed Particle Hydrodynamics (SPH): Computer Physics Communications, v. 187, p. 204–216, doi: 10.1016/j.cpc.2014.10.004.
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		+	<pdf>File:Crespo et al 2015.pdf</pdf>

← Older revision		Revision as of 14:44, 27 March 2019
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		+	''[[User:Nick \| Nick Richmond]], University of Maine''
	<h2>History</h2>		<h2>History</h2>

← Older revision		Revision as of 14:42, 27 March 2019
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	<p>At the 4th Annual DualSPHysics Users Workshop in Lisbon, Portugal, Orlando García-Feal of University of Vigo delivered an outstanding presentation in which he described the process of customizing DualSPHysics with clarity and detail. You can find the PDF version of his presentation on our wiki: [[Customizing DualSPHysics]].</p>		<p>At the 4th Annual DualSPHysics Users Workshop in Lisbon, Portugal, Orlando García-Feal of University of Vigo delivered an outstanding presentation in which he described the process of customizing DualSPHysics with clarity and detail. You can find the PDF version of his presentation on our wiki: [[Customizing DualSPHysics]].</p>
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		+	I think of Orlando's presentation as the definitive template for adding functionality to DualSPHysics, and the code he produced is an official branch of the DualSPHysics repository. This now allows for temperature to be a physical property held by moving fluid particles, with the added benefit of thermal boundary conditions.

	<h2>References Cited</h2>		<h2>References Cited</h2>

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-There are many more open source and commercial options for producing the same results, but I can personally attest to the utility of the tools listed here. You might find that software such as [https://www.goldensoftware.com/products/surfer Surfer] or [http://www.meshlab.net/ MeshLab] might best fit your needs.
+There are many more open source and commercial options for producing the same results. I can personally attest to the utility of the tools listed here, but you might find that software such as [https://www.goldensoftware.com/products/surfer Surfer] or [http://www.meshlab.net/ MeshLab] might best fit your needs.
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      <li> [https://www.bluemarblegeo.com/products/global-mapper.php Global Mapper] is commercial GIS software which can produce an STL from raster files (GeoTIFFs) using a graphical user interface. This is a good option if you aren't comfortable with something like phstl. Global Mapper is installed on all of the machines in the Computer Cluster on the 2<sup>nd</sup> floor of Bryand Global Sciences Center.
      </li>
 There are many more open source and commercial options for producing the same results, but I can personally attest to the utility of the tools listed here. You might find that software such as [https://www.goldensoftware.com/products/surfer Surfer] or [http://www.meshlab.net/ MeshLab] might best fit your needs.
 </li>
 </ul>

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      </li>
      <li> [https://github.com/NWRichmond/xyz2stl xyz2stl] is a standalone MATLAB app (you don't need MATLAB to run it) that I wrote in 2017 which produces an STL from x,y,z coordinates (such as in a CSV file).
      </li>
    </ul>

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 <li>Once you're familiar with the example models, you're ready to start experimenting with your own model design. Start by considering which physics (e.g., fluid + fixed structure, fluid + fixed structure + floating objects, fluid + sediment, etc.) and which boundary conditions (e.g., closed system, periodic boundary conditions, open boundary conditions, etc.) will be necessary for your model. From there you can copy an example model which is closest to the system you want to model and adapt it to your needs.</li>
 <li>In the early stages of model design, it's best to start with a simple design which is fast to generate. Often the fastest route to a working model is by first running only GenCase, visualizing the outputs in ParaView, and then modifying your case design (XML) file until the geometry is as you would like it to be. From there, you can run DualSPHysics and shift your focus to the quality of the physics simulation. It's usually fastest to run the model at coarse resolution (higher inter-particle distance, or <em>dp</em>), increasing resolution only when the simulation is producing reasonable results.</li>
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