Dear Team, 

I am trying to run a simulation of the FDA Benchmark Blood Pump case with TCAE. I am using my meshes that I have generated by myself (not via TMESH). 

The project case setup seems to be fine, and I get the message "Project Setup OK" upon checking. However, when I start the TCFD run, I get the following error message after a while - 

"--> FOAM FATAL IO ERROR:

Cannot open include file "C:/Users/KaranBaliga/Desktop/TCAE/GridPro Blood Pump/Fluent_Grids_GridPro/GridPro_Blood_Pump/simulationRun1/TCFD/transient/1_1/system/hi.fun" while reading dictionary "C:/Users/KaranBaliga/Desktop/TCAE/GridPro Blood Pump/Fluent_Grids_GridPro/GridPro_Blood_Pump/simulationRun1/TCFD/transient/1_1/system/controlDict/functions"

file: C:/Users/KaranBaliga/Desktop/TCAE/GridPro Blood Pump/Fluent_Grids_GridPro/GridPro_Blood_Pump/simulationRun1/TCFD/transient/1_1/system/controlDict at line 78.

From function static bool Foam::functionEntries::includeEntry::execute(Foam::dictionary&, Foam::Istream&)

in file db/dictionary/functionEntries/includeEntry/includeEntry.C at line 169.

FOAM exiting"

I do not know why this error occurs. Can you please help me out?

If required I can attach the case files as well. 

Thanks and Regards,

Karan H Baliga,

GridPro. 

Hi everyone,

We are looking to perform CFD calculations with OpenFoam of a large sea area (volume of around 1km x 1km x 200m) around a single offshore structure or ship (estimated size of around 100m – 200m, with small elements of around 0.3m).

We expect our cases to run in the range of 10 to 100 million cells, depending on the size of the structure. We think most cases will be at the lower end, so we want to size our hardware for it, but still be able to handle the larger ones even at the expense of much longer calculation times.

Thanks for your help! Any suggestions/questions are more than welcomed. 

Hello Everyone, 

I recently downloaded OpenFoam for windows from the CFD support download section and the installation went effortlessly. But when I tried to run the cavity simulation following the CFDSUPPORT training pdf, I faced the  bash: blockMesh.exe: command not founderror. The frustrating part is I managed to get it running yesterday and finished the cavity test case, but today I cannot recreate what I did. In the installation folder, there are bash files in the D:\OpenFoam\20.09\cygwin64\etc and D:\OpenFoam\20.09\cygwin64\opt\OpenFOAM\OpenFOAM-dev\etc  I think the error is related to sourcing the bash file. But I am not sure as the training documents mention for windows the sourcing is done automatically.

Please help me out here as I am an absolute beginner in using OpenFoam or Linux environment. If anyone can provide the steps common to all simulation set-up and starting the OpenFOAM, I will be more grateful.

Dear Sir or Madam,
I have the following request. I would like to make a simulation of the flow of a high speed train wich reaches a closed end for my bachelor thesis. I want to do it in Openfoam. The reason why im asking this question in this forum is because the video is from the CFD-Support Youtube channel. In a Youtube video from you with the following title Train in Tunnel Passing Sudden Cross-section Change - CFD OpenFOAM® simulation with the follwing URL https://www.youtube.com/watch?v=Gyr8Y7I16KA a similar problem was shown. Is there a possibility to learn more about it? Some more Information about the dicts of the Simulation would be highly appreciated to build my simulation.
Best regards
Benedikt Bihlmayer

Hello,

Is there a possibility to increase the number of CFD components that we can put within the simulation.

Currently the limits seems to be set at 10 components.

Thanks in advance for your response.

Yours,

Martin Heylen 

Dear Sirs,

I want to export a francis turbine runner geomtery to TCAE Pareview... I get always an error

"Loading inputfile "C:\Users\lenovo\Documents\resources\geometry\ft27022023.tcae"...

Required keyword "1_solid-meshInput" with 1 entries is missing in the setup file.

No path to STL file for solid component 1

Inputfile "C:\Users\lenovo\Documents\resources\geometry\ft27022023.tcae" contains invalid settings.

Failed to import surface geometry file "C:\Users\lenovo\Documents\resources\geometry\". A path to .stl or .step file expected."

Mesh is set to cfd mesh only...

anyone to help me..

Best Regards

Jamal

CFDSUPPORT decided to publicly and freely share their OpenFOAM training materials. 

The OpenFOAM training materials provided by CFDSUPPORT are an invaluable resource for anyone interested in learning OpenFOAM. With nearly 500 pages of comprehensive training material, the guide offers a step-by-step learning process that is tailored to suit the needs of both beginners and advanced users.

The guide covers a wide range of topics, including the basic principles of fluid dynamics, meshing, case setup, solver selection, post-processing, and more. The material is presented in a clear and concise manner, making it easy to understand even for those with little or no prior knowledge of CFD or OpenFOAM.

The training materials are accompanied by numerous examples and exercises that help reinforce the concepts covered in the guide. This hands-on approach is particularly useful in helping users develop the skills necessary to work with OpenFOAM effectively.

Moreover, the guide is available for free, making it accessible to anyone who is interested in learning OpenFOAM, regardless of their financial resources. This is a testament to the commitment of CFDSUPPORT to promoting education and innovation in the field of CFD.

Overall, the OpenFOAM training materials provided by CFDSUPPORT are a great resource for anyone looking to learn OpenFOAM, and I would highly recommend them to anyone who is interested in pursuing a career in CFD.

The download link is below in the comment section.       Please register to access it.

am Propeller CFD Benchmark is a set of test cases for evaluating the accuracy and performance of computational fluid dynamics (CFD) codes. It involves simulating the flow around a model of a ship propeller, which is a challenging and complex problem due to the highly unsteady and three-dimensional flow around the blade sections. The benchmark provides a set of reference solutions and metrics for the comparison and validation of CFD simulations. It is commonly used in the CFD community to evaluate new numerical methods and algorithms, and to compare different CFD codes and computing platforms.

CFDSUPPORT did the Potsdam propeller CFD Benchmark including FEA + FSI. If you are wondering how accurate the CFD simulation can be in comparison with the real physical measurement, take a look at th

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The goal of this category is to serve as a community of users, developers, and experts who interact and collaborate on various aspects of the software, such as usage, development, bug fixing, and feature requests. Joining this discussion group is a great way to learn from others and stay updated on the latest developments in the field of open-source CAE software tools.

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CFD (Computational Fluid Dynamics), FEA (Finite Element Analysis), and FSI (Fluid-Structure Interaction) simulations are used to analyze and predict the behavior of fluid flow, heat transfer, and structural mechanics in various engineering applications. Optimization is the process of finding the best solution to a problem by adjusting various input parameters. Optimization can be applied to CFD, FEA, and FSI simulations to improve the accuracy and efficiency of the simulation results. For example, optimization algorithms can be used to adjust mesh size, boundary conditions, and material properties to improve the accuracy of the simulation results, or to minimize the computational cost of the simulation.

Parametric optimization is a specific type of optimization in which the input parameters of a CFD, FEA, or FSI simulation are varied systematically to find the optimal solution. In parametric optimization, a set of input parameters is defined as the design variables, and a set of performance criteria is defined as the objective function. The optimization algorithm then searches for the combination of input parameters that minimizes or maximizes the objective function.

For example, in a CFD simulation of fluid flow through a pipe, the design variables might include the pipe diameter and the roughness of the pipe walls, while the objective function might be the pressure drop across the pipe. The optimization algorithm would then search for the combination of pipe diameter and roughness that minimizes the pressure drop.

Similarly, in an FEA simulation of a structure, the design variables might include the material properties and dimensions of the structure, while the objective function might be the stress or deflection of the structure. The optimization algorithm would then search for the combination of material properties and dimensions that minimizes the stress or deflection.

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The goal of this category is to provide technical support for TCAE users to share their knowledge and experience to help others troubleshoot technical issues, improve the performance of their simulations, and learn from one another. Members can ask questions, share their own solutions to common problems, and collaborate to improve the overall performance and efficiency of TCAE. The category is open to anyone who is interested in TCAE, regardless of their level of expertise.

The goal of this category is to provide technical support for TCAE users to share their knowledge and experience to help others troubleshoot technical issues, improve the performance of their simulations, and learn from one another. This category is focused on providing technical support and guidance exclusively for TCAE. Members can ask questions, share their own solutions to common problems, and collaborate to improve the overall performance and efficiency of TCAE. The category is open to anyone who is interested in TCAE, regardless of their level of expertise.