Converge cfd forum. CONVERGECFD January 8, 2019, 10:07 #11: biancagiarola .

Converge cfd forum. That's why a lot of motion is applied to the boundary. Nov 19, 2000 · convergence problem: commonyue: Main CFD Forum: 1: December 1, 2009 04:54: Convergence of CFX field in FSI analysis: nasdak: CFX: 2: June 29, 2009 02:17: 3D Fluid Flow Convergence problem Emily: FLUENT: 2: March 21, 2007 23:18: Non Convergence of 3D Heat transfer cfd problem Balraj: Main CFD Forum: 3: December 9, 2004 01:24 An online center for Computational Fluid Dynamics. Jul 30, 2008 · Forum: Replies: Last Post: what should I do if the solution didn't converge? Beeny: FLUENT: 6: August 27, 2011 01:04: Solution Does Not Converge Rif: Main CFD Forum: 3: March 7, 2008 06:33: What to do if solution doesn't converge Sharon: FLUENT: 1: February 15, 2007 01:40: TRANSIENT SOLUTION CONVERGE MARK: Main CFD Forum: 3: November 2, 2006 11:08 Dec 21, 2023 · Red Bull Ford Powertrains selected CONVERGE as their CFD software of choice to help design their new power unit, which will run on 100% sustainable fuel and debut in the 2026 season. The experimental data that we have is taken using 2 valve engines (one for Simulation of H2 fuelled engine in CONVERGE -- CFD Online Discussion Forums Feb 15, 2022 · CONVERGE outputs dynamic. Add "convergence 10^-3" to specify, for example, the convercence criterion is a max residual of 10^-3. out values are region-based. You may not post attachments Sep 24, 2021 · - I'll share the converge. json) file. I read converge manual and converge studio manual and know some basic settings of converge. 4 717. 398 -3. Main CFD Forum; System Analysis; Structural Mechanics Jul 21, 2024 · You may not post new threads. AIAA SciTech Forum Jun 19, 2023 · Our flagship product, CONVERGE, is a revolutionary CFD software with truly autonomous meshing capabilities that eliminate the grid generation bottleneck from the simulation process. CONVERGE, Page 2 - Topics related to the software packages sold by Convergent Science. If you are trying to use the AMGX library and mixing it with the BiCGStab solver, I think it is better not to use GPU (since you would probably not see much speed-up) or use CONVERGE_BICGSTAB_GPU as the linear solver without specifying the AMGX configuration file (. From the UDF documents, we can use the function of CONVERGE udf -- CFD Online Discussion Forums Jun 14, 2021 · Hi All, I'm running a case in simpleFoam and my pressure residuals won't converge. , “Deflagration to Detonation Transition in Two-Dimensional Obstructed Channels,” AIAA SciTech 2022 Forum, San Diego The CFD Online CONVERGE forum is a platform where you can discuss CONVERGE questions with other CONVERGE users and our support engineers, who regularly monitor the forum. I'm using the k omega sst model for transition purposes. This two-day event will focus on the potential of green hydrogen as a fuel for sustain FORUM. Have anyone use converge cfd for external flow or Renewable energy? Can it simulate moving object + AMR? If it can, how does it perform i. Index; Post News; Subscribe/Unsubscribe Main CFD Forum: Page 1 of 2: 1: 2 > All times are GMT -4. The CONVERGE YouTube channel features tutorials for setting up cases, webinars on a variety of topics, and other educational content. New Member Main CFD Forum: 17: August 1, 2007 11:15: Hydrogen Air combustion in a combustion Sep 5, 2023 · CONVERGE, Page 23 - Topics related to the software packages sold by Convergent Science. Tareq Al-shaalan: Main CFD Forum: 10: June 13, 1999 00:27 Aug 9, 2023 · Hello, I do not think there is anything to exclude Windows OS from GPU usage. But compared with experimental data and CFD studies that solved the same setup the results are not quite right. Main CFD Forum; System Analysis; Structural Mechanics CONVERGE, Page 3 - Topics related to the software packages sold by Convergent Science. May 24, 2017 · and amr function of converge make mesh increase. Forums. com Installing CONVERGE on Linux. Main CFD Forum; System Analysis; Structural Mechanics Aug 20, 2018 · On our CFD Online support forum, you can interact with other CONVERGE CFD users and our knowledgeable and approachable support team for assistance. CONVERGE gives you an edge in a competitive market—you can rapidly explore various design options, predict problem areas in your product before manufacturing, and optimize your product design using CONVERGE’s advanced model optimization tools. Our flagship product, CONVERGE, is a revolutionary CFD software with truly autonomous meshing capabilities that eliminate the grid generation bottleneck from the simulation process. 1651 Dec 13, 2023 · The Converge file was classified in department computers so that no way to transfer it out. Convergent Science is an innovative, rapidly expanding computational fluid dynamics (CFD) company. The time now is 15:09. some difference between example case and my cases: CONVERGE, Page 5 - Topics related to the software packages sold by Convergent Science. Threads Tagged with converge cfd Home; News. Main CFD Forum; System Analysis; Structural Mechanics Oct 23, 2017 · Home > Forums > Software User Forums > CONVERGE Restart & mapping User Name: Remember Me CONVERGECFD January 8, 2019, 10:07 #11: biancagiarola Jun 20, 2022 · I am using CONVERGE 3. Members of the Convergent Science Applications team monitor the forum and provide expert guidance. Please contact us if you have any questions. dynamic_region*. This is the largest CFD site on the net with services like discussion forums, jobs, links and a wiki. Main CFD Forum; System Analysis; Structural Mechanics Jan 9, 2014 · Hi, I found a convergence problem in Fluent 15. e. 1, GPU computation is available for the pressure solver (only). Nov 17, 2023 · Hi, If you were asking how to use the GPU to accelerate your CONVERGE simulation, since CONVERGE v3. Feb 7, 2024 · any one can help me please with the method how to build a converge cfd UDF on windows using visual studio 2022, i have the source code but i couldn't Converge UDF building -- CFD Online Discussion Forums Sep 29, 2023 · Madison, Wisconsin—September 29, 2023—Convergent Science and SAE International Torino Section are jointly hosting the first Hydrogen for Sustainable Mobility Forum at Politecnico di Torino on October 17–18, 2023. I tried a simple 3D pipe model which I was using in fluent 14 and it had no problem in converging, however, in 15 the same case I use have the problem with the continuity. Jul 31, 2020 · I am trying to use converge to simulate a diesel fuel combustion in micro-channel. New posts: Hot thread with new posts: No new posts: Hot thread with no new posts: Thread is closed Dec 26, 2017 · We offer a Heat transfer mapping utility (htc_map/heat transfer coefficient map) to cycle-average near-wall data from a CONVERGE CFD simulation and map the result to another surface for such purposes. out which contains information on Swirl Ratio and Angular Momentum in each direction. This is the largest meeting place on the web for people working with CFD. Through the CONVERGE forum at CFD Online, you can exchange ideas with and learn from other CONVERGE users. I have been looking for tips and tricks/strategies to get the multiphase simulations to converge correctly. I am totally a new user of converge. CONVERGE, Page 24 - Topics related to the software packages sold by Convergent Science. A similar case to this run a number of years ago had converged at Pressure won't converge using SimpleFoam -- CFD Online Discussion Forums Mar 7, 2018 · Forum: Replies: Last Post: CFD simulation of gas cicrcuit breaker in fluent with dynamic meshing. Mar 11, 2015 · Hi Giulia, I think there's nothing wrong in convergence: when you set an unsteady simulation, convergence is reached for each time step: you can see from your residual chart; at the beginning of each timestep you have "high" residual value, then during iteration residual values decrease and reach convergence for that timestep; this is repeated for each timestep. (Please refer to the attached image below. Sometimes you just want to talk to other CONVERGE users, and Convergent Science is dedicated to facilitating peer-to-peer discussion. Gohil said in his virtual training that the max number of nNonOrthogonalCorrectors, for accurate results, is 20. Convergent Science is headquartered in Madison, Wisconsin, and has offices in the United States, Europe, and India and distributors worldwide. 3e-6. To reach convergence, you must be able to see flat part of the history plots of the variables vs iteration Aug 6, 2021 · Hi, I want to simulate the H2/CNG fuelled SI engine using CONVERGE v3. Main CFD Forum; System Analysis; Structural Mechanics Jun 29, 2016 · Home > Forums > Software User Forums > CONVERGE Combustion Model User Name: Remember Me CONVERGECFD August 16, 2016, 09:08 #16: MFGT. You may not post replies. Trushar B. Senior Member Oct 5, 2023 · Forum: Replies: Last Post: Residuals converge initially, then stop converging: andrew-c: FLUENT: 2: April 6, 2023 13:12: Relative residuals for solid solver doesnot converge for fsiFoam: ARTisticCFD: OpenFOAM Running, Solving & CFD: 1: June 29, 2022 00:22: PimpleFoam runs full length even after residuals converge! walakaka: OpenFOAM Running Hi lovely CFD People, i'm running a compressible simulation with rhoSimpleFoam but it does not converge. Nov 9, 2017 · hi everyone how can I download converge cfd 2. My residuals for k and continuity does not go below e-02 and it oscillates around that range. . By default, the swirl axis is the Z axis. For those who don't have adequate background and training, using a black box to find a solution in another black box is just like walking on the Mar 7, 2008 · Hi, I'm running an airfoil simulation in Fluent for low reynolds number. Dr. You can specify the value of the maximum residual at convergence in the fvSolution dictionary of your case, in the SIMPLE subdictionary. (if i calculate with 36 cores, system shows some warning like "some cores has no mesh to calculate") May 9, 2020 · I'm a mechanical engineering student and I'm trying to learn how to use Converge Studio 2. (5). Created by Convergent Science, CONVERGE is a leading computational fluid dynamics (CFD) software suite designed to simulate fluid flows in co Jun 25, 2011 · About convergence criteria, some solver checks for the maximum residual, and simpleFoam is among them. However, you can enable Case Setup > Output/Post-Processing > Output files > Dynamic output options and provide a rotation matrix to change your CONVERGE, Page 22 - Topics related to the software packages sold by Convergent Science. in > accelerator_control >use_gpu _flag" to 1, also you need use the CONVERGE_ BICGSTAB _ GPU as your pressure equation solver by making "solver The CFD Online CONVERGE forum is a platform where you can discuss CONVERGE questions with our support engineers, who regularly monitor the forum, and other CONVERGE users. I have three different mesh sizes (M1, M2 and M3 with 7227990, 9133110 and 9761535) elements. 0, and have a question about the UDF for the cells attached to a boundary. accuracy and computation time. and Kumar, G. 39967e+23 Aug 2, 2005 · Unsteady simulation convergence Tomislav: Main CFD Forum: 1: December 6, 2006 08:53: All times are GMT -4. Oct 24, 2024 · Main CFD Forum: 0: June 15, 2009 19:17: increasing mesh quality is leading to poor convergence: tippo: CFX: 2: May 5, 2009 11:55: convergence problem with SIMPLER NURAY KAYAKOL: Main CFD Forum: 1: February 24, 1999 14:43 Dec 10, 2023 · I am able to get the thing to converge. Convergent Science Attal, N. CONVERGE - Topics related to the software packages sold by Convergent Science. Aug 27, 2024 · Main CFD Forum: 36: January 24, 2001 22:10: ASME CFD Symposium, Atlanta, July 2001 Chris R. Presenter Suresh Nambully Convergent Science Additional Info Tuesday, April 18, 2023 13:00-13:20 CEST Hall 17, Stand D18 Convergent Science is an innovative, rapidly expanding computational fluid dynamics (CFD) company. (3). 0. ) The analysis I want to do is a port flow analysis of a two-stroke two-cylinder engine. The CONVERGE_CFD Bundle Linux packages include scripts and modulefiles that make it easy to install, run, and upgrade the CONVERGE solver, as detailed in the instructions below. Mahesh7238: FLUENT: 1: April 5, 2021 01:21: CFD Simulation of Exhaust Gas Dispersion into Atmosphere from Industrial Stack: Mehul Patel: ANSYS: 2: March 12, 2018 03:11: A general interface question about two phasing simulation using CONVERGE: tmy Learn a New Skill CONVERGE Explore is a professional development program that helps established and aspiring engineers expand their simulation skill sets. Even worse, the residual of p is really rhoSimpleFoam compressible does not converge -- CFD Online Discussion Forums Our flagship product, CONVERGE CFD, is a revolutionary CFD software that eliminates the grid generation bottleneck from the simulation process. To enable it, please turn the "inputs. 4 I login up in converge 3 month ago but my account wasn't Main CFD Forum: 36: January 24, 2001 22:10: ASME CFD Dec 21, 2020 · Hello, Although short time intervals are commonly used to reach convergence, orthogonal issues should be considered as well. Jul 11, 2024 · Hi, I want to calculate the GCI. Aug 5, 2024 · Hello everyone! I'm new to OpenFOAM and finite volume simulations, and I'm trying to run a simulation using simpleFoam in a laminar regime. 4 (it's the first CFD software I ever used, so I'm a complete beginner). Performing CFD analyses can be difficult due to the number of unknowns, uncertainty of boundary conditions, and complexity of flows. The time now is 03:38. I've simulated an example case, and now I'm trying to play with the injectors location. One sh Check the variables of interest to you at several locations of interest, and plot the convergence history. Jun 28, 1999 · For experienced CFD engineers with adequate CFD training and background, it is time saving to use a black box because they don't have to re-invent the wheel ( even if the wheels are not ideal). And since See full list on convergecfd. log file. CONVERGE, Page 25 - Topics related to the software packages sold by Convergent Science. 15 -89186. raju. Kleijn: Main CFD Forum: 0: August 21, 2000 05:49: Which is better to develop in-house CFD code or to buy a available CFD package. The fluid is incompressible and Newtonian, with the value of the dynamic viscosity of 3. In the freight sector, we kicked off a new collaboration with Wabtec, Argonne National Laboratory, and Oak Ridge National Laboratory. Our flagship product, CONVERGE CFD, is a revolutionary CFD software that eliminates the grid generation bottleneck from the simulation process. Main CFD Forum; System Analysis; Structural Mechanics Sep 15, 2022 · Energy -> temperature conversion failed to converge: iter Test e/h Cv/p Tnew 0 293. Convergent Science’s white papers discuss a variety of technical topics relating to CFD and CONVERGE. However, I can redo the case locally and post it online later. We specialize in fast, predictive CFD, so you get accurate simulation results quickly. Discussion forums related to Computational Fluid Dynamics. Best, Apr 1, 2022 · CONVERGECFD April 6, 2022, 06:07 Reg: H2 mechanism #7: pradeep. Oct 30, 2018 · Our flagship product, CONVERGE, is a revolutionary CFD software with truly autonomous meshing capabilities that eliminate the grid generation bottleneck from the simulation process. so, for example, early stage of calculation does't need many cores. O. Mar 22, 2021 · Our flagship product, CONVERGE, is a revolutionary CFD software with truly autonomous meshing capabilities that eliminate the grid generation bottleneck from the simulation process. Mesh Cd Cl 722799 0. The flow convergence (steady state) is non-uniform, at some locations it is fast and at some other locations it is very solw. mcgrq xepzi sywoc hlcfrwv uuc rhh ocllm jquw alepnh lssp