Schlegel, Dr. Fabian (FWDC) - 107795 · 93b17937 · 44127f42 · 97658a63 · 07df3fdb · 5989f367
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+layout: spotlight
+
+name: HZDR Multiphase Addon for OpenFOAM
+date_added: 2022-08-01
+preview_image: openfoam/openfoam_preview.png
+excerpt: >
+    The HZDR Multiphase Addon is a software publication released by Helmholtz-Zentrum 
+    Dresden-Rossendorf according to the FAIR principles (Findability, Accessibility, 
+    Interoperability, and Reuseability). It contains experimental research work for
+    the open-source CFD software OpenFOAM, released by The OpenFOAM Foundation. 
+    The developments are dedicated to the numerical simulation of multiphase flows,
+    in particular to the multi-field two-fluid model (Euler-Euler method). 
+    
+title_image: openfoam_title.png
+title: HZDR Multiphase Addon for OpenFOAM
+keywords: 
+    - Multiphase Flow
+    - Numerical Simulations
+    - OpenFOAM
+    - Computational Fluid Dynamics
+    - Finite volume method
+    - Multi-field two-fluid model
+    - Euler-Euler method
+hgf_research_field: Energy
+hgf_centers: 
+    - Helmholtz-Zentrum Dresden-Rossendorf
+contributing_organisations:
+    - name: The OpenFOAM Foundation
+      link_as: https://openfoam.org/
+    - name: CFD Direct
+      link_as: https://cfd.direct
+scientific_community:
+    - Energy / MTET 
+    - Computational Fluid Dynamics
+impact_on_community:
+contact: f.schlegel@hzdr.de
+platforms:
+   - type: webpage
+     link_as: https://hzdr.de/openfoam
+   - type: gitlab
+     link_as: https://gitlab.hzdr.de/openfoam
+license: GPL-3.0-or-later
+costs: free and open
+software_type: 
+    - numerical simulation
+    - multiphase flows
+application_type: 
+    - Desktop
+programming_languages:
+    - C++
+    - C
+    - CUDA
+    - Shell
+    - Python
+    - Gnuplot
+doi:
+     - name: HZDR Multiphase Addon for OpenFOAM
+       doi: 10.14278/rodare.767
+     - name: HZDR Multiphase Case Collection for OpenFOAM
+       doi: 10.14278/rodare.811
+funding:
+     - shortname: HZDR
+---
+
+# HZDR Multiphase Addon for OpenFOAM
+
+The majority of the developments for numerical simulation of multiphase flows at 
+HZDR are implemented in the open source library OpenFOAM. OpenFOAM is the leading 
+open source software package for numerical simulations of fluid flows 
+(Computational Fluid Dynamics, CFD) in engineering applications. By signing the 
+Contributors Agreement with the OpenFOAM Foundation in 2017, HZDR has the unique 
+opportunity to actively participate in the development of OpenFOAM. An example 
+is the contribution of the population balance modelling framework in 2017 
+together with VTT Technical Research Centre of Finland Ltd, which is 
+continuously developed and improved since.
+
+Besides, HZDR develops an extension for multiphase flows, the [HZDR Multiphase 
+Addon for OpenFOAM](https://doi.org/10.14278/rodare.767), and a validation 
+database, the [HZDR Multiphase Case Collection for OpenFOAM](https://doi.org/10.14278/rodare.811), 
+both published via Rossendorfer Data Repository. Since 2019, HZDR coordinates 
+the development work for [OpenFOAM_RCS](https://hzdr.de/openfoam-rcs) (RCS - Reactor Coolant System), 
+which is an extension for OpenFOAM to simulate the primary cooling circuit in a 
+nuclear power plant. As a member of the [OpenFOAM Process Engineering Consortium](https://openfoam.org/chemical-process-engineering/), 
+HZDR has established a strong cooperation with the chemical and process 
+engineering industry to ensure that the research done on multiphase flows fits 
+industrial needs.
+
+## Highlights
+
+- [OpenFOAM-Hybrid](https://hzdr.de/openfoam-hybrid): A morphology adaptive two-fluid model
+- [OpenFOAM_RCS](https://hzdr.de/openfoam-rcs): Sustainable development of simulation software for modeling of reactor coolant systems
+- Scientific workflow based on [Snakemake](https://snakemake.readthedocs.io/en/stable/) workflow management
+- [more](https://hzdr.de/openfoam)
+
+<!-- <center>
+<video src="{{ site.directory.videos | relative_url }}spotlights/openfoam/Simulation-of-a-distillation-column.webm" autoplay controls loop />
+</center>
+ -->
+<div class="spotlights-text-image">
+<video src="{{ site.directory.videos | relative_url }}spotlights/openfoam/Simulation-of-a-distillation-column.webm" alt="Distillation column" autoplay controls loop>
+<span>Example of a simulation of a distillation column.</span>
+</div>
+
+## Contributor with an Addon
+
+The open source library OpenFOAM is written in state-of-the-art, object-oriented 
+C++ and licensed under GNU GPL v3 license. Excellent code quality and robustness 
+of the OpenFOAM library is ensured by the maintenance work of the OpenFOAM Foundation, 
+which is a major requirement for CFD software in industrial design processes. 
+The OpenFOAM Foundation follows a continuous integration strategy to reduce 
+the amount of bugs in the source code. This development strategy has higher 
+demands on downstream developers, like HZDR. Contributions to the release are a 
+key prerequisite for industrial application of our developments. However, the 
+demands on software quality are high and cannot always be ensured in research. 
+
+Hence, HZDR develops the [HZDR Multiphase 
+Addon for OpenFOAM](https://doi.org/10.14278/rodare.767), which primarily 
+includes prototype functionality. The flexible interfaces of OpenFOAM and a 
+early communication with the core developers of OpenFOAM makes sure the 
+maintenance generated by the add-on is minimised. A support contract with 
+CFD Direct ensures that the long-term maintenance and the integration costs 
+of HZDR's release contributions are covered.
+
+<div class="spotlights-text-image">
+<img alt="Illustration of the linkage between OpenFOAM release and HZDR Multiphase Addon for OpenFOAM." 
+src="{{ site.directory.images | relative_url}}spotlights/openfoam/contributor_with_addon.png">
+<span>Illustration of the linkage between OpenFOAM release and HZDR Multiphase Addon for OpenFOAM.</span>
+</div>