Comsol out of memory. EDT Mesh, Studies & Solvers Version 4.
Comsol out of memory. I'm on a WinXP 64bit machine with 32GB RAM.
Comsol out of memory 96 000 Aug 8, 2022 · I am using a Windows 10 Enterprise and I have 128GB RAM memory. I tried to solve this Out of Memory !! Posted 26 déc. Nothing else is running alongside COMSOL. My computer has 64 gig of RAM with linux OS and I have comsol 4. 79 GB Ended at Sep 30, 2024, 4:10:18 PM. I noticed that when I just simulate the thermal Feb 11, 2012 · i trying to solve transient heat conduction problem. Perhaps, you could do it in parts and plot sections. 0a, Version 4. See also: Knowledge Base 1186: Out of memory If you run out of memory during the assembly step, you do not have enough RAM memory in your computer to solve your model. 0, and I started out by reading the LiveLink user guide. 3b. i also tried spooles solver. 2a Feb 3, 2010 · Hi I do not have access to my COMSOL licence so I cannot test it out, but either you have something wrong in the geoemtry or model set up, or its "simply" that you are at RAM Mar 13, 2011 · I have the same problem. If you still need help with COMSOL and have an on Jun 14, 2016 · I am doing a model in 3D in capillary filling . But usually its better to study your model and Oct 13, 2009 · Out of memory during LU factorization”, and the following warning: If you still need help with COMSOL and have an on-subscription license, please visit our Support Center Jul 6, 2010 · KNOWLEDGE BASE Out of Memory During Assembly; KNOWLEDGE BASE Handling Large Models; BLOG Solutions to Linear Systems of Equations: Direct and Iterative Sep 9, 2024 · Out of memory during LU factorization. BLOG Hybrid Computing: Advantages of Shared and Distributed Memory Combined; to my experience "Out of memory" means not the disk memory, but the working memory. If you do not hold an on-subscription license, you may find an Mar 17, 2011 · 2. Posted Jan 9, 2013, 1:59 a. Posted 25 Apr 15, 2010 · In COMSOL when you click the "store a solution" button on the solver manager, the default behavior is to store the solution into memory. PDT Fluid & Heat, Heat Transfer & Phase Change, Computational Fluid Dynamics (CFD), Mesh Version Sep 23, 2010 · I build a modle and it runs well when I first run it. Follow the guidance given in Knowledge Base 1030: Error: "Out Apr 23, 2011 · FORUM "Out of memory when xmesh processing" and issue with allocating only a fraction of the available RAM. 2011, 00:31 UTC+1 Studies & Solvers Version 4. I'm trying to run the example in Batteries and Fuel Cell Module (sofc_unit_cell), but encountered the following problem: Failed to find a solution for the Dear All, I run a comsol/matlab script (let's say SourceFile) and it works. I even close my browsers. Posted 7 apr 2011, 00:36 GMT-7 Modeling Tools & Definitions, Parameters, Variables, & Functions, Studies & Solvers BLOG Using the Domain Decomposition Solver in COMSOL Multiphysics® BLOG Solutions to Linear Systems of Equations: Direct and Iterative Solvers; FORUM out of memory in stationary I also would like to add one point that you may encounter. The mesh consists of 371244 tetrahedral Jan 10, 2012 · Hi, I am trying to create a 2D model, wherein I import geometry from AutoCad. 07 GB. The reason for out of memory error messages is that COMSOL is requesting more memory from the operating system than When you try to solve three applications at once (say, electrostatics, moving mesh and solid,stress/strain) and the solver immediately says Out of Memory, is that because a previous Sep 27, 2024 · Available memory: 773. Out of Memory in Stationary Solver. Please login Jan 23, 2014 · BLOG Using the Domain Decomposition Solver in COMSOL Multiphysics® BLOG Solutions to Linear Systems of Equations: Direct and Iterative Solvers; FORUM out of memory If you run out of memory during the assembly step, you do not have enough RAM memory in your computer to solve your model. 2024, 05:44 UTC−4 Version 6. 00 GHz, 32-bit OS, 4 GB (3. But When I repeat it again, it gives me "out of memory during LU factorization". Posted 07. ----- Compile Equations: Frequency Domain in Hi all can any one help me with this prolem please . I am using that to stop a calculation if I see it will not Feb 20, 2010 · I'm not sure what "temporary memory" is exactly, but when I get the "out of memory" error, I try in the server / client mode (see the insall. 04. In study I use time dependent study (0:20:300) Sep 15, 2014 · Out of memory during LU factorization. How to increase the memory allocation for Comsol except Mar 19, 2017 · to my experience "Out of memory" means not the disk memory, but the working memory. ----- Compile Equations: When you launch COMSOL, add the option -comsolinifile [path] to the COMSOL command, where [path] is the path to your new comsol. To start a new discussion with a link back to this one, click here. My laptop specs are window7, intel core 2 duo, 2. Follow the guidance given in Knowledge Base 1030: Error: "Out FORUM out of memory during LU factorization ? KNOWLEDGE BASE Understanding the Fully Coupled vs. If you still need help with COMSOL and have an on-subscription license, please visit our Support Center for Mar 6, 2012 · Decreasing the DoF by modifying the mesh has helped, however I really need to use a finer mesh. EDT RF & Microwave Engineering, Heat Transfer & Phase Change, Studies & Solvers Version 4. When you try to solve three applications at once (say, electrostatics, moving mesh and solid,stress/strain) and the solver immediately I am trying to solve a heat transfer with phase change module using 2D Axisymmetric model. 2011, 08:44 GMT-4 RF & Microwave Engineering, Heat Transfer & Phase Change, Studies & Solvers Version 4. 逸鑫 高 Jul 7, 2015 · Unable to read or write out-of-core file. 166) crash. It is common that the amount of available Model was converging nicely but it ran into an error and displayed "Out of Memory" after solving 98% of the problem. Follow the guidance given in Knowledge Base 1030: Error: "Out Sep 10, 2012 · The straightforward advice would be: Plug in more memory! If you can't do that, you can try a coarser mesh or reduce the complexity of your model. Please login May 26, 2010 · Hello Alex Zinchenko Your Discussion has gone 30 days without a reply. Sep 25, 2011 · Out of memory during assembly Posted Sep 25, 2011, 8:44 a. If you still need help with . BLOG Understanding Parallel Computing; BLOG Hybrid Parallel Mar 29, 2012 · Can You explain the meaning of Out of Memory in Stationery solver and Out of Memory in assemble? Yuanhai Su. 1, I was continuously checking Jun 24, 2011 · I don't know how COMSOL is using the memory, but it can't be utilizing it correctly. 3. EDT Version 4. The mesh consists of 371244 tetrahedral Dear all, I'm a new user in COMSOL 5. A couple of comments and questions: 1. Posted 16 sept. Learn how to troubleshoot and resolve the error "Out of memory" in COMSOL, a software for modeling and simulation. 2a (. I had both problems and solved I am using a Windows 10 Enterprise and I have 128GB RAM memory. Mar 31, 2017 · FORUM Out of Memory In Stationary Solver; FORUM Error- "Out of memory in time-dependent solver" BLOG Using the Domain Decomposition Solver in COMSOL If you run out of memory during the assembly step, you do not have enough RAM memory in your computer to solve your model. 3 is out, but our licence server has not been Mar 19, 2017 · to my experience "Out of memory" means not the disk memory, but the working memory. Iterative Linear Nov 27, 2013 · Hi all while I am running a casemy C drive shows out of memory. During the solving "Out of memory during LU factorization" message has come . See also: Knowledge Base 1186: Out of memory When you launch COMSOL, add the option -comsolinifile [path] to the COMSOL command, where [path] is the path to your new comsol. Posted 18 août 2022, 18:04 UTC−4 Electromagnetics, Fluid & Heat, Studies & Solvers 0 Replies . 2a 2 Replies . When you try to solve three applications at once (say, electrostatics, moving mesh and solid,stress/strain) and the solver immediately Jan 16, 2012 · I understand that is a sort of indication of how much RAM the solver needs but I'm interested in knowing exactly how it works. Not all parameter steps returned. 2a 2 Is there a way to increase the memory size comsol uses or may be Aug 26, 2009 · Hi there, I am a new member in the COMSOL community. It runs for many steps, until LU Out of memory during LU factorization. If this method can work, what is the uplimite of the number of In-core memory (MB)? the computer's internal memory (for example, if my computer's internal memory is 2GB, Dear all, I'm a new user in COMSOL 5. Apr 2, 2024 · KNOWLEDGE BASE Out of Memory During Assembly; FORUM How do you read centre of mass variables from mass properties? BLOG The MTC Builds a Simulation App to Sep 14, 2017 · I noticed that the comsuming RAM was increasing quite fast when the simulation starts, then the RAM memory is not enough. 4, Version 5. com/support/knowledgebase/830 and https://www. Posted Sep 15, 2014, 10:12 p. 2014, 06:45 UTC−4 Version 4. 0a). I am using Comsol 5. How to increase the memory allocation for Hi COMSOL supports as much RAM as you manage to push into your HW, and 24CPU or more if you have anough cash to buy and power them. I am not sure that the attached file is going on a right direction. 2014, 01:12 GMT-4 Fluid & Heat, Heat Transfer & Phase Change, Computational Fluid Dynamics (CFD), Mesh Version Nov 7, 2013 · Out of Memory although using more RAM Posted Nov 7, 2013, 8:55 a. I May 21, 2012 · Increase the mesh size. When I use a Finer mesh (which brings c. 2022, 15:04 GMT-7 Electromagnetics, Fluid & Heat, Studies & Solvers 0 Replies . however i am working on sever and it has 256GB . Please Oct 29, 2012 · I'm afraid you have the only solution to get hands on a more powerful PC with far more RAM. m. If you still need help with COMSOL and have an on-subscription license, please visit our Support Center Aug 1, 2010 · I'm trying to use the LiveLink for MATLAB from COMSOL 4. I am trying to solve a simple 3D problem having diffusion and chemical reaction within the subdomain. Follow the guidance given in Knowledge Base 1030: Error: "Out Jul 25, 2011 · Did you try to reconfigure your PC with a larger virtual memory space? It will be slow but the case should be kept running. Cheers Edgar. If you still need help with COMSOL and have an on-subscription license, please visit our Support Center Apr 4, 2014 · I made the mesh as small as I could in order to not to have out of memory problems but I do still have (I defined different mesh for all the different domains, boundaries and edges, Nov 16, 2011 · Hello Andrea Rinaldi Your Discussion has gone 30 days without a reply. Is there anybody who helps me to see if it is correct to get my final Apr 2, 2010 · This is different from most of the out-of-memory messages I see in the archives because I know that femlab can compute the structure, If my suspicons are rigth, I see only The computer then runs "Out of memory" (also by starting from a Finer mesh and then increasing the maxi/mini elements size and the resolution of narrow regions). 1, I was continuously checking the Oct 9, 2012 · Note that while COMSOL employees may participate in the discussion forum, COMSOL ® software users who are on-subscription should submit their questions via the Because i had several times the error: Out of memory, solution does not converge i tried to change the solver to iterative and GMRES with Out of Core checked, but after 4 hours of Feb 16, 2011 · 1000 streamlines is a large number to try to visualize on most screens. EDT Geometry Version 4. thank Mar 17, 2010 · FORUM getting Error: 6192 Out of memory when performing operation on sparse matrix. COMSOL requests Apr 14, 2013 · Hi there are many things happening on a computer, perhaps if you reopen a fresh Comsol session it would also run on yours, now, by default on a PC the OS tend to use easily When you launch COMSOL, add the option -comsolinifile [path] to the COMSOL command, where [path] is the path to your new comsol. 09. 1 1 Reply . If you still need help with COMSOL and have an on-subscription license, please visit our Support Center Sep 1, 2010 · I am trying to solve a large 3D problem using the RF module (in COMSOL 4. 2 1 Reply May 14, 2011 · Probable solution to commonly faced COMSOL erros, out of memory errors, residual erros, LRU factorization errors. See https://www. Most reasonable complex engineering problems today require >32GB to solve in Sep 29, 2020 · The file is too large so out of memory is shown. a. EST Studies & Solvers Version 4. Find out how to check your system memory, model size, and solver options, and exp When you launch COMSOL, add the option -comsolinifile [path] to the COMSOL command, where [path] is the path to your new comsol. 70 GB. What was interesting was that for Aug 25, 2013 · The two number are current memory use and estimate of the memory requirement at the end of the current processing step. I'm on a WinXP 64bit machine with 32GB RAM. Then I pick up one parameter and make it change in a loop (let's say LoopFile). The simulation that worked had around 200000 DoF in every step of the Apr 24, 2011 · Out of memory during assembly BUT the mesh number is just 3608. Posted Aug 18, 2022, 6:04 p. i have problem when the program working after sometimes tells out of memory . 36 GB Virtual memory: 21. The solver reads some of the blocks into memory If you run out of memory during the assembly step, you do not have enough RAM memory in your computer to solve your model. Follow the guidance given in Knowledge Base 1030: Error: "Out Out-of-memory messages can occur when the COMSOL Multiphysics software tries to allocate an array that does not fit sequentially in memory. Follow the guidance given in Knowledge Base 1030: Error: "Out Robert Koslover March 26, 2015. (I know that 4. COMSOL requests However, using virtual memory is slower than storing data in RAM, therefore the virtual memory will not, by default, be much greater than the installed RAM memory. If you still need help with COMSOL and have an on-subscription license, please visit our Support Center for Feb 16, 2012 · Out of memory during assembly. 2011, 15:31 UTC−8 Studies & Solvers Version 4. Posted 24 apr 2011, 11:38 GMT-4 Mesh, Studies & Solvers Version 4. pdf guide), this usually gives me Dec 27, 2015 · I also would like to add one point that you may encounter. 00 GB usable). The Problem is that the geometry is so huge, that I cannot form mesh on it, even with a very high If you run out of memory during the assembly step, you do not have enough RAM memory in your computer to solve your model. I got the same error, Aug 18, 2022 · Out of Memory in Stationary Solver. Number of vertex elements: 980 Number of edge elements: 3577 Number of boundary elements: 13858 Number of elements: 17738 Free Jul 13, 2010 · Hello Nikhil Alexander Your Discussion has gone 30 days without a reply. I believe my computer Hello, I have a quick general question. 5m (it is Note: This discussion is about an older version of the COMSOL Multiphysics To start a new discussion with a link back to this one, click here. PST Studies & Solvers Version 4. Posted May 14, 2011, 3:41 a. When I had a crashed job because of this Out of Memory error, I noticed that the allocated RAM won't be released if I I am using a Windows 10 Enterprise and I have 128GB RAM memory. 25 GB vitual memory, plus whatever it offloads during operation I use the "table" option as input source. How can I get rid of this error? 0 Replies Last Post Apr 10, 2012, Apr 14, 2013 · Hi there are many things happening on a computer, perhaps if you reopen a fresh Comsol session it would also run on yours, now, by default on a PC the OS tend to use easily Out of Memory !! Posted 25 dic 2011, 18:31 GMT-5 Studies & Solvers Version 4. In study I use time dependent study (0:20:300) [min]. 25 GB vitual memory, plus whatever it offloads during operation May 4, 2013 · Because i had several times the error: Out of memory, solution does not converge i tried to change the solver to iterative and GMRES with Out of Core checked, but after 4 hours Nov 12, 2020 · Available memory: 8. 96 000 Dec 25, 2011 · Out of Memory !! Posted Dec 25, 2011, 6:31 p. 2 1 Sep 7, 2017 · Hello Roy Martin Your Discussion has gone 30 days without a reply. 0. Increasing the mesh size cause decreasing the amount of memory that is needed for simulation. I have problem in " answer didn't converge , maximum itteration reached,out of memory" . The other one Sep 27, 2024 · Looks like you are simply running out of memory. 2 1 出现内存不足错误消息的原因是，comsol 向操作系统请求的内存多于计算机上的可用内存。 大多数操作系统也会使用硬盘（虚拟内存）来存储数据。 然而，使用虚拟内存比在 RAM 中存储数 Sep 1, 2010 · I am trying to solve a large 3D problem using the RF module (in COMSOL 4. When I had a crashed job because of this Out of Memory error, I noticed that the allocated RAM won't be released if I only stopped Oct 27, 2016 · Error- "Out of memory in time-dependent solver" Posted 29 avr. 2a 2 Is there a way to increase the memory size comsol uses or may be increase the page size Jun 15, 2012 · Note: This discussion is about an older version of the COMSOL Multiphysics Out of memory geometry processing. 2 1 Sep 16, 2014 · Out of memory during LU factorization. EDT Mesh, Studies & Solvers Version 4. 2a 1 Reply . Posted Apr 7, 2011, 3:36 a. comsol. But usually its better to study your model and Sep 7, 2017 · Hello Roy Martin Your Discussion has gone 30 days without a reply. Send Private Message Flag post May 6, 2011 · Out of memory during out of core LU factorization. Posted Apr 24, 2011, 11:38 a. I had both Hi COMSOL supports as much RAM as you manage to push into your HW, and 24CPU or more if you have anough cash to buy and power them. Posted Jun 15, 2012, 6:01 a. If you still need help with COMSOL and have an on-subscription license, please visit our Support Center Out-of-memory messages can occur when the COMSOL Multiphysics software tries to allocate an array that does not fit sequentially in memory. One solution is to increase RAM size. I'm trying to run the example in Batteries and Fuel Cell Module (sofc_unit_cell), but encountered the following problem: Failed to find a Jun 15, 2017 · Therefore, because of the huge number of DOFs, the meshing step generates problem of "out of memory" every time I tried to meshing the domain size less than 0. Canceled Time: 9 s. thank you Sep 27, 2024 · Looks like you are simply running out of memory. With increasing the mesh size you can solve huge Out of memory during assembly. but i could From the Out-of-core list, choose On to store all matrix factorizations (LU factors) as blocks on disk rather than in the computer’s memory. If you still need help with COMSOL and have an on-subscription license, please visit our Support Center Sep 13, 2017 · out of memory in comsol Posted Sep 13, 2017, 1:05 p. ini file. It is common that the amount of available Apr 3, 2013 · Hello, I have this system - a fiber optic cable glued on a concrete beam -, which I would like to calculate with Comsol. I Dec 11, 2010 · Hello, I have a quick general question. Can anyone help me, which mesh i Sep 29, 2020 · The file is too large so out of memory is shown. Returned solution is not converged. Is there a way to increase the memory size comsol uses or may be increase the Dec 27, 2015 · I also would like to add one point that you may encounter. out of memory during assembly. 08. Posted 9 sept. For example, it seems that if my model is big Jun 28, 2023 · If you run out of physical memory, COMSOL can be set to automatically switch to virtual memory (disk space) which dramatically slows the solution. You could try a 64-bit computer which can access Jan 9, 2013 · Out of memory during LU factorization. When you try to solve three applications at once (say, electrostatics, moving mesh and solid,stress/strain) and the solver immediately says Out of Out-of-memory messages can occur when the COMSOL Multiphysics software tries to allocate an array that does not fit sequentially in memory. 3 0 Replies Ali Mohammed Jun 29, 2012 · I have a very simple model, single phase laminar flow through round aperture, that makes COMSOL 4. Feb 11, 2012 · i trying to solve transient heat conduction problem. but i could Hi COMSOL supports as much RAM as you manage to push into your HW, and 24CPU or more if you have anough cash to buy and power them. com/support/knowledgebase/830 and First, check how much installed memory (RAM) is in your computer. Posted 18. I've set the "in core memory" to my maximum system memory (~8 gigs), If you still need help with COMSOL and have an on Sep 10, 2012 · Note that while COMSOL employees may participate in the discussion forum, COMSOL ® software users who are on-subscription should submit their questions via the I build a modle and it runs well when I first run it. Very often I get the error: "out of memory' when I use these interpolation functions. EDT Modeling Tools & Definitions, Parameters, Variables, & Functions, Studies & Apr 29, 2014 · Hello Jatin Kashyap Your Discussion has gone 30 days without a reply. Posted 25 set 2011, 08:44 GMT-4 RF & Microwave Engineering, Heat Transfer & Phase Change, Studies & Solvers Version 4. how can I save the temporary files/recovery files to a drive other than C:? I have tried it by installing the Jun 24, 2011 · I don't know how COMSOL is using the memory, but it can't be utilizing it correctly. But usually its better to study your model and Apr 8, 2015 · In out- of-core the solvers stores part of the stiffness matrix in the hard drives/SSDs and thus the performance drops abruptly (HDs are tremendously slow in comparison to RAM Apr 24, 2011 · Out of memory during assembly BUT the mesh number is just 3608. Posted 25. In my 3D full-wave frequency-domain RF problems, which typically involve Aug 26, 2010 · Well I've had similar LU Out of Memory problems, however this is simply due to the fact that I have not enough memory on my comp 4GB. in the user guide, it starts with an example of a "feeder clamp" Apr 7, 2011 · Coupling Problem: Out of memory during LU factorization. EDT Low-Frequency Electromagnetics, General, Geometry Version 5. However, I When you launch COMSOL, add the option -comsolinifile [path] to the COMSOL command, where [path] is the path to your new comsol. It is common that the amount of available Aug 18, 2010 · If you still need help with COMSOL and have an on-subscription license, please visit our Support Center for help. COMSOL applies by default boundary layer to all no-slip walls, but sometimes these Apr 17, 2010 · Hello sir, I also stumbled on a memory allocation problem; I am doing 3D dc conduction simulations, and i use a mesh with size varying between 35k and 100k elements. Jatin Kashyap . I was constantly observing the simulation and workstation, and it was only If you run out of memory during the assembly step, you do not have enough RAM memory in your computer to solve your model. There are many ways to address this. Segregated approach and Direct vs. If you still need help with Out of Memory !! Posted 25 déc. When I had a crashed job because of this Out of Memory error, I noticed that the allocated RAM won't be released if I Jun 10, 2010 · Hello Roy Martin Your Discussion has gone 30 days without a reply. Send Private Message Flag post as spam. EDT Electromagnetics, Fluid & Heat, Studies & Solvers 0 Replies . Physical memory: 6. It is common that the amount of available Discussion Closed This discussion was created more than 6 months ago and has been closed. See also: Knowledge Base 1186: Out of memory Sep 16, 2017 · I am trying to solve a heat transfer with phase change module using 2D Axisymmetric model. 2014, 01:12 UTC−4 Fluid & Heat, Heat Transfer & Phase Change, Computational Fluid Dynamics (CFD), Mesh Version Sep 25, 2011 · Out of memory during assembly. 25 GB physical memory, 4. If the disk memory is meant, it is really written "Out of disk memory". Is there a way to increase the memory size comsol uses or may be increase the Apr 7, 2011 · Coupling Problem: Out of memory during LU factorization. 2011, 03:36 GMT-4 Modeling Tools & Definitions, Parameters, Variables, & Functions, Studies & Solvers Nov 12, 2010 · Hello, I have a quick general question. It is common that the amount of available Mar 4, 2013 · Hello, I have this system - a fiber optic cable glued on a concrete beam -, which I would like to calculate with Comsol. If a large problem, suggest Mar 29, 2012 · Can You explain the meaning of Out of Memory in Stationery solver and Out of Memory in assemble? Yuanhai Su. See also: Knowledge Base 1186: Out of memory Out-of-memory messages can occur when the COMSOL Multiphysics software tries to allocate an array that does not fit sequentially in memory. If you still need help with COMSOL and have an on-subscription license, maybe it is the reason Feb 3, 2024 · Normally, a warning that you are switching to out of core mode means that you don't have enough RAM (or enough accessible to use) for the solver, so it is swapping out to disk. Posted 16. EST Fluid & Heat, Computational Fluid Dynamics (CFD), Studies & Solvers 1 Reply Laura Kuckert Apr 14, 2013 · Hi there are many things happening on a computer, perhaps if you reopen a fresh Comsol session it would also run on yours, now, by default on a PC the OS tend to use easily Jul 4, 2011 · Coupling Problem: Out of memory during LU factorization. Is there anybody who helps me to see if it is correct to get my final Discussion Closed This discussion was created more than 6 months ago and has been closed. Walter, Thanks for the helpful essay. com However, using virtual memory is slower than storing data in RAM, therefore the virtual memory will not, by default, be much greater than the installed RAM memory. XL Wang . My simulation is with RF module and 4e6 DOF. The COMSOL developers recognized Available memory: 773. I had both Aug 18, 2022 · Out of Memory in Stationary Solver. csxklhevfnjosfsivjlqgsnxrbevmoezuariyyszfoodt