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The fluid participant reads heat flux at the interface Γ C , while the solid participant reads temperature. The boundary values for the inflow (Γ inflow ), outflow (Γ outflow ), and the hot bottom of the plate (Γ hot ) are listed in the tables at the bottom of the figure. All other boundaries are insulated. u inflow , T inflow : velocity and temperature at the inflow boundary. p 0 : ambient pressure at all boundaries of the fluid. T hot : temperature at the bottom of the plate. g : acceleration due to gravity. k F and k S : thermal conductivity of the fluid and solid. ρ F and ρ S : density of the fluid and solid. c p,F and c p,S : specific heat capacity of the fluid and solid. α S ∗ = k S /( ρ S c p,S ): thermal diffusivity of the solid. µ : dynamic viscosity. ν * = µ / ρ F : kinematic viscosity. Pr* = c p,F µ / k F : Prandtl number of the fluid. M * = ρF RT inflow / p 0 : Molar mass of the fluid with R being the gas constant. z is the out-of-plane thickness: even if the coupled case is described as 2D, <t>OpenFOAM</t> is still a 3D solver. Quantities marked with a * are derived quantities.
Openfoam V1706–V2106, supplied by OpenCFD Ltd, used in various techniques. Bioz Stars score: 90/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
https://www.bioz.com/result/openfoam v1706–v2106/product/OpenCFD Ltd
Average 90 stars, based on 1 article reviews
openfoam v1706–v2106 - by Bioz Stars, 2025-11
90/100 stars
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The fluid participant reads heat flux at the interface Γ C , while the solid participant reads temperature. The boundary values for the inflow (Γ inflow ), outflow (Γ outflow ), and the hot bottom of the plate (Γ hot ) are listed in the tables at the bottom of the figure. All other boundaries are insulated. u inflow , T inflow : velocity and temperature at the inflow boundary. p 0 : ambient pressure at all boundaries of the fluid. T hot : temperature at the bottom of the plate. g : acceleration due to gravity. k F and k S : thermal conductivity of the fluid and solid. ρ F and ρ S : density of the fluid and solid. c p,F and c p,S : specific heat capacity of the fluid and solid. α S ∗ = k S /( ρ S c p,S ): thermal diffusivity of the solid. µ : dynamic viscosity. ν * = µ / ρ F : kinematic viscosity. Pr* = c p,F µ / k F : Prandtl number of the fluid. M * = ρF RT inflow / p 0 : Molar mass of the fluid with R being the gas constant. z is the out-of-plane thickness: even if the coupled case is described as 2D, OpenFOAM is still a 3D solver. Quantities marked with a * are derived quantities.

Journal: Open Research Europe

Article Title: preCICE v2: A sustainable and user-friendly coupling library

doi: 10.12688/openreseurope.14445.2

Figure Lengend Snippet: The fluid participant reads heat flux at the interface Γ C , while the solid participant reads temperature. The boundary values for the inflow (Γ inflow ), outflow (Γ outflow ), and the hot bottom of the plate (Γ hot ) are listed in the tables at the bottom of the figure. All other boundaries are insulated. u inflow , T inflow : velocity and temperature at the inflow boundary. p 0 : ambient pressure at all boundaries of the fluid. T hot : temperature at the bottom of the plate. g : acceleration due to gravity. k F and k S : thermal conductivity of the fluid and solid. ρ F and ρ S : density of the fluid and solid. c p,F and c p,S : specific heat capacity of the fluid and solid. α S ∗ = k S /( ρ S c p,S ): thermal diffusivity of the solid. µ : dynamic viscosity. ν * = µ / ρ F : kinematic viscosity. Pr* = c p,F µ / k F : Prandtl number of the fluid. M * = ρF RT inflow / p 0 : Molar mass of the fluid with R being the gas constant. z is the out-of-plane thickness: even if the coupled case is described as 2D, OpenFOAM is still a 3D solver. Quantities marked with a * are derived quantities.

Article Snippet: We support the latest versions of the major OpenFOAM variants, including v1706–v2106 (ESI/OpenCFD, main adapter branch) and 4.0–8 (The OpenFOAM Foundation, version-specific branches).

Techniques: Viscosity, Derivative Assay

The bottom of the flap is clamped, the solid participant reads forces at the interface, while the fluid participant reads displacement values. The inflow velocity at the channel inlet is 10 m/s and the outflow sets a zero velocity gradient. Ma ∞ , p ∞ , T ∞ , u ∞ : Mach number, pressure, temperature, and velocity at the inflow. ν f , ρ f : kinematic viscosity and density of the fluid. E : Young’s modulus. ν s : Poisson’s ratio of the solid. ρ s : density of the solid. z is the out-of-plane thickness: even if the coupled case is described as 2D, OpenFOAM and CalculiX are still 3D solvers.

Journal: Open Research Europe

Article Title: preCICE v2: A sustainable and user-friendly coupling library

doi: 10.12688/openreseurope.14445.2

Figure Lengend Snippet: The bottom of the flap is clamped, the solid participant reads forces at the interface, while the fluid participant reads displacement values. The inflow velocity at the channel inlet is 10 m/s and the outflow sets a zero velocity gradient. Ma ∞ , p ∞ , T ∞ , u ∞ : Mach number, pressure, temperature, and velocity at the inflow. ν f , ρ f : kinematic viscosity and density of the fluid. E : Young’s modulus. ν s : Poisson’s ratio of the solid. ρ s : density of the solid. z is the out-of-plane thickness: even if the coupled case is described as 2D, OpenFOAM and CalculiX are still 3D solvers.

Article Snippet: We support the latest versions of the major OpenFOAM variants, including v1706–v2106 (ESI/OpenCFD, main adapter branch) and 4.0–8 (The OpenFOAM Foundation, version-specific branches).

Techniques: Viscosity

The upper plot shows the results for an incompressible flow computed with Nutils or OpenFOAM. The lower plot shows the results for compressible flow computed with SU2. Incompressible and compressible flow give qualitatively different results, as expected. Good agreement within each class of flow simulation is achieved for all combinations of solid and fluid solvers. When using CalculiX as solid solver, the distribution v2104.0 specified C3D8 elements, which led to insufficient agreement with the results of the rest of the solvers. Using C3D8I elements produces results which are in better agreement, a suggestion contributed after the release of v2104.0 by Andrés Pedemonte Fehrmann ( https://github.com/precice/tutorials/pull/250 ) and used for the results shown here.

Journal: Open Research Europe

Article Title: preCICE v2: A sustainable and user-friendly coupling library

doi: 10.12688/openreseurope.14445.2

Figure Lengend Snippet: The upper plot shows the results for an incompressible flow computed with Nutils or OpenFOAM. The lower plot shows the results for compressible flow computed with SU2. Incompressible and compressible flow give qualitatively different results, as expected. Good agreement within each class of flow simulation is achieved for all combinations of solid and fluid solvers. When using CalculiX as solid solver, the distribution v2104.0 specified C3D8 elements, which led to insufficient agreement with the results of the rest of the solvers. Using C3D8I elements produces results which are in better agreement, a suggestion contributed after the release of v2104.0 by Andrés Pedemonte Fehrmann ( https://github.com/precice/tutorials/pull/250 ) and used for the results shown here.

Article Snippet: We support the latest versions of the major OpenFOAM variants, including v1706–v2106 (ESI/OpenCFD, main adapter branch) and 4.0–8 (The OpenFOAM Foundation, version-specific branches).

Techniques:

All pictures taken from the page Community stories on precice.org. Top left: a shallow-water equations solver coupled to OpenFOAM . Top right: an artificial heart valve simulated with OpenFOAM and CalculiX . Bottom left: A 3D poro-mechanics model coupled to 2D fluid equations, both implemented in FEniCS . Bottom right: a MATLAB heat equation solver coupled to a GPU ray-tracing software package to simulate heat conduction and radiation on the surface of the moon .

Journal: Open Research Europe

Article Title: preCICE v2: A sustainable and user-friendly coupling library

doi: 10.12688/openreseurope.14445.2

Figure Lengend Snippet: All pictures taken from the page Community stories on precice.org. Top left: a shallow-water equations solver coupled to OpenFOAM . Top right: an artificial heart valve simulated with OpenFOAM and CalculiX . Bottom left: A 3D poro-mechanics model coupled to 2D fluid equations, both implemented in FEniCS . Bottom right: a MATLAB heat equation solver coupled to a GPU ray-tracing software package to simulate heat conduction and radiation on the surface of the moon .

Article Snippet: We support the latest versions of the major OpenFOAM variants, including v1706–v2106 (ESI/OpenCFD, main adapter branch) and 4.0–8 (The OpenFOAM Foundation, version-specific branches).

Techniques: Software

Whereas new releases have a clear impact on GitHub traffic, conferences, such as the ECCOMAS mini-symposia (MS1, MS2, MS3), different OpenFOAM workshops (ESI, OFW), and the preCICE workshops (WS) have not always a clear direct impact. With the start of the preCICE forum (fall 2019) and, in particular, with moving the user documentation to the new website at the end of 2020, traffic is shifted away from GitHub. At the online preCICE Workshop 2021, we used the forum to let attendees introduce themselves. This led to sustainable increase of forum traffic.

Journal: Open Research Europe

Article Title: preCICE v2: A sustainable and user-friendly coupling library

doi: 10.12688/openreseurope.14445.2

Figure Lengend Snippet: Whereas new releases have a clear impact on GitHub traffic, conferences, such as the ECCOMAS mini-symposia (MS1, MS2, MS3), different OpenFOAM workshops (ESI, OFW), and the preCICE workshops (WS) have not always a clear direct impact. With the start of the preCICE forum (fall 2019) and, in particular, with moving the user documentation to the new website at the end of 2020, traffic is shifted away from GitHub. At the online preCICE Workshop 2021, we used the forum to let attendees introduce themselves. This led to sustainable increase of forum traffic.

Article Snippet: We support the latest versions of the major OpenFOAM variants, including v1706–v2106 (ESI/OpenCFD, main adapter branch) and 4.0–8 (The OpenFOAM Foundation, version-specific branches).

Techniques: Introduce