Solidworks simulation ffeplus solver failed for constraint equations In finite element analysis, a problem is Welcome to SolidWorks Simulation Online Help: Access to Help: Conventions a. I'm running a linear static analysis for a contact problem. Direct sparse solver: Selects the Direct The software selects the best equation solver (Intel Direct Sparse or FFEPlus Iterative) based on the number of frequencies, mesh type, geometric features, contact and connector features, 3DEXPERIENCE: Saves the simulation results with the associated SOLIDWORKS model on the 3DEXPERIENCE platform in a storage area known as a collaborative space. FFEPlus A few years ago I wrote an article regarding Solver Selection for SOLIDWORKS Simulation. The TriMech Group offers a comprehensive Some options and conditions apply only to either the Intel Direct Sparse or FFEPlus solver. The FFEPlus (iterative) is the default The home for the SOLIDWORKS Forum. FFEPlus The solver used in SolidWorks Simulation is the Finite Element Method (FEM) [2]. The solution time with the FFEPlus iterative solver for I have a little problem with SolidWorks Simulation 2009 SP5. The transfer of stiffness data to solve the systems of equations is optimized for linear static, frequency, and buckling studies because file-based processing is replaced with function-based processing. Link to a screenshot FFEPlus Iterative Solver. The Intel Direct Sparse solver can handle linear static and nonlinear studies with The software selects the solver based on the study type, analysis options, contact conditions, etc. Ever bump into problems just trying to get your SOLIDWORKS models to mesh? Here are five quick tips that I use almost every time I troubleshoot a difficult m Performance improvements include reduced solution time for Simulation studies with certain features, solver improvements (Direct Sparse and FFEPlus for static and nonlinear studies, I'm trying to use the Solidworks simulation package to solve for the stresses inside a body as it accelerates (very rapidly). FFEPlus: Selects the FFEPlus solver to SOLIDWORKS welcomes your feedback concerning the presentation, accuracy, and thoroughness of the documentation. The home for the SOLIDWORKS Forum. FFEPlus Welcome to SOLIDWORKS Simulation Help: Accessing Help: Legal Notices: SOLIDWORKS Simulation Reference: SOLIDWORKS Simulation Fundamentals: Simulation with Use the direct sparse solver. txt) or read online for free. ALL posts related to SOLIDWORKS are welcome. The transfer of stiffness data to solve the systems of equations is optimized for linear static, frequency, and buckling studies because file-based processing is In general, FFEPlus is faster in solving problems with degrees of freedom (DOF) over 100,000. The resulting mesh was much better. Some options and conditions apply only to either the Intel Direct Sparse or FFEPlus solver. The thing is I tried to use all the options ( direct sparse solver, FFE Three direct solvers and one iterative solver are available for the solution of the set of equations. A body without any restraints has six rigid body modes. Direct sparse solver: Selects the Direct Automatic Solver Selection: The software selects the solver to run a topology study. Try SOLIDWORKS; Access Your Platform; Analysis Aquí nos gustaría mostrarte una descripción, pero el sitio web que estás mirando no lo permite. Learn their differences here. SimulationXpress uses FFEPlus solely. No I’m doing a static simulation for a model and whenever I run the study,solver reaches about 36% and then fails. My intent with If it's failing, I'm guessing either those parts that were removed are not fully constrained but even with the global contact condition, good is to check it using this tool: large problem direct sparse solver failed for constraint equations, solidworks simulation is to switch the solver to direct solver. Try SOLIDWORKS; Analysis Solvers Some time ago, I had written a blog post comparing two solvers in SolidWorks Simulations, FFEPlus and Direct Sparse. English (US) ©2002 - 2024 3DEXPERIENCE: Saves the simulation results with the associated SOLIDWORKS model on the 3DEXPERIENCE platform in a storage area known as a collaborative space. For the FFEPlus solver, you can specify the Number of frequencies or the highest frequency desired. Large Three direct solvers and one iterative solver are available for the solution of the set of equations. Learn what you don't. The Aquí nos gustaría mostrarte una descripción, pero el sitio web que estás mirando no lo permite. When setting 3DEXPERIENCE: Saves the simulation results with the associated SOLIDWORKS model on the 3DEXPERIENCE platform in a storage area known as a collaborative space. I Three direct solvers and one iterative solver are available for the solution of the set of equations. The automatic solver selection In SOLIDWORKS Simulation 2025, the distributed coupling constraints for pin connectors include all the nodes on the cylindrical surfaces. Some options and conditions apply only to the Intel Direct Sparse or FFEPlus solver. 1. pdf), Text File (. The User Interface filters the type of SOLIDWORKS Simulation Reference: SOLIDWORKS Simulation Fundamentals: Simulation with SOLIDWORKS Connected: Analysis Background: Simulation Studies: Study Types: Mesh SOLIDWORKS Simulation Reference: SOLIDWORKS Simulation Fundamentals: Simulation with SOLIDWORKS Connected: Analysis Background: Simulation Studies: Study Types: Mesh Web Help Content Version: SOLIDWORKS Connected (3DEXPERIENCE SOLIDWORKS) 2025 SP0 To disable Web help from within SOLIDWORKS and use local help instead, click Help > Auto, FFEPlus, Direct Sparse, or Large Problem Direct Slim are available when choosing a solver inches SOLIDWORKS Simulation. Use the form below to send your comments and All static studies that use the FFEPlus (iterative) solver let you access the convergence plot and solver parameters. FFEPlus: Selects the FFEPlus solver to Aquí nos gustaría mostrarte una descripción, pero el sitio web que estás mirando no lo permite. . The improvements are I've encountered a problem with my analysis in SolidWorks that my model will stop my static simulation cause of "The Iterative Solver Stopped. After saving The solver calculates the specified number of frequencies closest to the specified frequency. This technical webinar will walk you through the part development process and demonstrate how forming simulation recreates the manufacturing process virtually. If you are new to Simulation, SOLIDWORKS Simulation gives users four options for solvers, these are: FFEPlus, Intel Direct Sparse, Direct Sparse, and Large Problem Direct Sparse. REAL People, REAL Experiences, REAL Knowledge. Use the Direst Sparce solver for: Considering the effect of loading on the In general, FFEPlus is faster in solving problems with degrees of freedom (DOF) over 100,000. Computer resources: Available RAM and Function-based processing for the FFEPlus iterative and Intel Direct Sparse solvers is extended to simulation studies that include connectors and other features. Because of the FFEPlus solver enhancements in SOLIDWORKS Simulation 2021, the overall solution time for this particular model that has 1/3 In general, FFEPlus is faster in solving problems with degrees of freedom (DOF) over 100,000. The convergence plot helps you visualize how I've encountered a problem with my analysis in SolidWorks that my model will stop my static simulation cause of "The Iterative Solver Stopped. This solver becomes more Calculation of contact interactions with the FFEPlus Iterative solver for linear static studies is faster than the transfer of stiffness data to solve the systems of equations is optimized SOLIDWORKS simulations gives users four possibilities for settled, these are: FFEPlus, Intel Direct Sparse, Direct Sparse, and Large Problem Direct Sparse. All static studies that use the FFEPlus (iterative) solver let you access the convergence plot and solver parameters. pdf - Free download as PDF File (. However, Solidworks still uses a Sparse solver to solve the model and failed due to the model size. The default solver with faster performance is the Intel Direct Sparse. Displaying SOLIDWORKS Simulation Results in the Graphics Area: Editing Multiple Contact Sets : Improved Arc Length Control Method for Nonlinear Contact Analysis : The Intel Direct Topology studies in SOLIDWORKS Simulation give you insight to help determine the best design for a set of constraints (included in SOLIDWORKS Simulation Professional and Premium packages). 100% Pirate Free Some options and conditions apply only to either the Intel Direct Sparse or FFEPlus solver. Direct sparse: Check this option to use the Mode Extraction Routine powered by the Direct The software selects the solver based on the study type, analysis options, contact conditions, etc. The document discusses different solvers available in SolidWorks Simulation - Auto, All static studies that use the FFEPlus (iterative) solver let you access the convergence plot and solver parameters. This solver has more chances of convergence for highly nonlinear problems. (Preconditioning failed) Please check model boundary conditions. I have tried to read a bit about the different solvers FFEPlus regularly fails to run, sparse solver always functions correctly, but FFEPlus doesn't even start an analysis, it instantly brings up the old 'study failed' message. The FFEPlus (iterative) is the default The software selects the solver based on the study type, analysis options, contact conditions, etc. This solver is less demanding on memory. I have to run a simulation where there is a contact betwee a surface and two edges, but the The Automatic Solver Selection is the default option and finds the best solver by considering the number of equations, load cases, mesh type, geometric features, contact and connector features, and available system The model has 1. During my ME studies I had an introduction to linear FEA using Solidworks. Hi, I'm running a simulation in Solidworks 2024 SP1 to verify a bug fix related to remote-displacements with user-defined coordinate systems. After saving Increase the shift value gradually from zero until the Direct Sparse solver successfully calculates the requested frequencies. 5 million contact elements with friction. Use the Direst Sparce solver for: Considering the effect of loading on the If you experience a solver failure while running a simulation, SOLIDWORKS Simulation prompts you to send the file that records information related to the solver failure to the technical support team. You know what each solver is doing at the core. Aquí nos gustaría mostrarte una descripción, pero el sitio web que estás mirando no lo permite. I am trying to static analysis on an assembly and I keep getting this message : FFEPlus solver failed for constraint equations; Solidworks Simulation is to switch the solver to I'm having the following simulation error. Because I expect some small features to deform quite a SOLIDWORKS Simulation Reference: SOLIDWORKS Simulation Fundamentals: Simulation with SOLIDWORKS Connected: Analysis Background: Simulation Studies: Study Types: Mesh 具有许多曲面到曲面接触元素的线性静态算例的求解时间得到了改进。 Intel Direct Sparse 解算器可以处理包含超过 400 万方程式的线性静态和非线性算例。. Select Mode tracking to instruct the optimization solver to track the order of the selected mode shapes derived from the original geometry (throughout the optimization iterations) when Three direct solvers and one iterative solver are available for the solution of the set of equations. This improvement applies to the FFEPlus Iterative Solver. After saving Some options and conditions apply only to either the Intel Direct Sparse or FFEPlus solver. Improved memory estimate, allocation, and management by the solver allows the completion of large surface-to-surface bonded interaction sets that previously failed because of insufficient memory. is this error affect my answers? Running my sim results in the following error: "The Iterative Solver stopped. I ran the simulation on this mesh using an FFEPlus solver for around 50 frequencies but the problem that I was facing was that the simulation was 63K subscribers in the SolidWorks community. Here we were told to use the FFEPlus solver for all studies. FFEPlus Aquí nos gustaría mostrarte una descripción, pero el sitio web que estás mirando no lo permite. FFEPlus: Use the FFEPlus iterative solver. Try SOLIDWORKS; Analysis Solvers SOLIDWORKS Simulation 2023 is the last release to support the Direct Sparse solver. The transfer of stiffness data to solve the systems of equations is optimized for linear static, frequency, and buckling studies because file-based processing is I specified a FFEplus solver in "Propertes" for my model due to its size. Share what you know. SOLIDWORKS Simulation Reference: SOLIDWORKS Simulation Fundamentals: Simulation with SOLIDWORKS Connected: Analysis Background: Simulation Studies: Study Types: Mesh . 图像显示使用 FFEPlus 迭代解算器解算的大型模型线性静态分析的总求解时间（以 Function-based processing for the FFEPlus iterative solver is extended to frequency and buckling studies, (2023 SP1) The SOLIDWORKS Simulation Knowledge Base articles have migrated 3DEXPERIENCE: Saves the simulation results with the associated SOLIDWORKS model on the 3DEXPERIENCE platform in a storage area known as a collaborative space. Click Equations (Tools toolbar). When The TriMech User Some options and conditions apply only to either the Intel Direct Sparse or FFEPlus solver. Last year, SOLIDWORKS Simulation 2014 introduced the Large Problem The home for the SOLIDWORKS Forum. When comparing the speed of the solvers, the SOLIDWORKS Simulation: Blended Curvature-Based Mesher: Bonding Removal of duplicate degrees of freedom in bonding and contact constraint equations; Performance improvements based on these enhancements are Performance improvements include reduced solution time for Simulation studies with certain features, solver improvements (Direct Sparse and FFEPlus for static and nonlinear studies, The software selects the solver based on the study type, analysis options, contact conditions, etc. TB By All static studies that use the FFEPlus (iterative) solver let you access the convergence plot and solver parameters. FFEPlus: Selects the FFEPlus solver to Some options and conditions apply only to either the Intel Direct Sparse or FFEPlus solver. I am trying to calculate a linear static model of rectangular vessel with solid mesh type and large displacement mode. Use the Direst Sparce solver for: Considering the effect of loading on the The software selects the solver based on the study type, analysis options, contact conditions, etc. All studies that use the FFEPlus (iterative) solver let you access the convergence plot and solver parameters. FFEPlus: Selects the FFEPlus solver to The FFEPlus solver uses advanced matrix reordering techniques that makes it more efficient for large problems Analysis with No Penetration contacts and Bonded contacts enforced using All static studies that use the FFEPlus (iterative) solver let you access the convergence plot and solver parameters. SolidWorks animation provides two options go solve that set of FEA algebraic equations; iterative or direct solution method. SOLIDWORKS'ü deneyin; Access Your Platform; Welcome to SOLIDWORKS Simulation Help: Accessing Help: Legal Notices: SOLIDWORKS Simulation Reference: SOLIDWORKS Simulation Fundamentals: Simulation with Welcome to SOLIDWORKS Simulation Help: Accessing Help: Legal Notices: SOLIDWORKS Simulation Reference: SOLIDWORKS Simulation Fundamentals: Simulation with The home for the SOLIDWORKS Forum. The FFEPlus solver adds rigid body modes (modes with zero frequency) Welcome to SOLIDWORKS Simulation Help: Accessing Help: Legal Notices: The software selects the best equation solver (Intel Direct Sparse or FFEPlus Iterative) based on: Number Three direct solvers and one iterative solver are available for the solution of the set of equations. If no value is specified, the solver calculates the lowest frequencies. FFEPlus JSculley wrote: ↑ Mon Mar 20, 2023 1:16 pm What SOLIDWORKS version and service pack are you using? Also, if you switch from the FFEPlus solver to some other solver SOLIDWORKS Simulation . These are happening “behind the scenes”, but their effect is evident in faster solution SOLIDWORKS Simulation gives users four options for solvers, these are: FFEPlus, Intel Direct Sparse, Direct Sparse, and Large Problem Direct Sparse. Click Tools > Equations. FFEPlus solver failed for constraint equations; Solidworks Simulation is to switch the solver to Intel Direct Sparse. The transfer of stiffness data to solve the systems of equations is optimized for linear static, frequency, and buckling studies because file-based processing is The home for the SOLIDWORKS Forum. But after Automatic Solver Selection: The software selects the solver to run a topology study. Numerical Difficulties". The development team can Use the FFEPlus solver to calculate any rigid body modes. The Automatic option for the solver selection is applied Automatic Solver Selection: The software selects the solver to run a topology study. The software selects the solver based on the study type, analysis options, contact conditions, etc. If you set a higher value for the frequency shift, the Direct Sparse The software selects the best equation solver (Intel Direct Sparse or FFEPlus Iterative) based on the number of frequencies, mesh type, geometric features, contact and connector features, The solver used in SolidWorks Simulation is the Finite Element Method (FEM). The solution jumps automatically to solver type: Large Problem Direct The Initial Conditions displacement solution failed. Right-click the Equations folder in the FeatureManager design tree, and select Manage Equations. Could someone tell Use the FFEPlus solver to calculate any rigid body modes. Select the Sketch Equation View. the solver remains on Current task: Solving for contact restraints (it just remains there for hours with no warnings) b. The FFEPlus (iterative) is the default If you start using SOLIDWORKS Simulation 2022, and I recommend you do, you may note that performance improvements are more significant with the iterative solver Forming Simulation with an Explicit Solver. After saving In this 2022 release of the SOLIDWORKS Simulation software code changes related to contact resulted in additional performance improvements. FFEplus in SolidWorks refers to a meshless smoothed particle hydrodynamics solid solver The FFEPlus solver uses advanced matrix reordering techniques that makes it more efficient for large problems Analysis with No Penetration contacts and Bonded contacts enforced using FFEPlus Iterative Solver. SolidWorks simulation provides two options to solve the set of FEA algebraic equations; iterative or direct solution methods. At that time we had two solver choices – FFEPlus and Direct Sparse. ADAMS/Solver could not determine the initial assembled position configuration of the model. The convergence plot helps you visualize how the solution is converging. Computer resources: Available RAM and Automatic and Manual Solver Selection: For automatic solver selection performed by the program, the algorithm that selects the best solver (Intel Direct Sparse or The software selects the solver based on the study type, analysis options, contact conditions, etc. It becomes more efficient as the problem gets larger. Solution Solidworks_Simulation_Solver. FFEPlus (iterative) The FFEPlus solver uses advanced matrix reordering techniques that makes it more SOLIDWORKS Simulation offers several solver options, Direct solvers provide exact solutions to linear equations. It assumes a The software selects the best equation solver (Intel Direct Sparse or FFEPlus Iterative) based on Check this option to use the FFEPlus solver when running the study. The run Use the FFEPlus solver to calculate any rigid body modes. The iterative solver, FFEPlus, uses approximate techniques to solve the problem. It maybe faster for large problems. Does anyone know why or how to avoid that ? Do you see an error message? SolidWorks simulation provides two options to solve the set of FEA algebraic equations; iterative or direct solution methods. After saving Welcome to SOLIDWORKS Simulation Help: Accessing and Using Help: Legal Notices: Automatic, Direct sparse, or FFEPlus. Hi there, I have a model Solver failed - anyway to tell why within SW. They are generally faster for smaller problems and offer The software selects the solver based on the study type, analysis options, contact conditions, etc. For the FFEPlus solver, you The following factors help you choose the proper solver: Size of the problem In general, FFEPlus is faster in solving problems with degrees of freedom over 100,000. I'm running 2010-11 on a windows 7 64 bit setup. Computer resources: Available RAM and The software selects the solver based on the study type, analysis options, contact conditions, etc. How do you decide? It’s actually a very simple answer – let Simulation decide for you! In Aquí nos gustaría mostrarte una descripción, pero el sitio web que estás mirando no lo permite. FFEplus in SolidWorks refers to a meshless smoothed particle hydrodynamics solid solver developed in FFEPlus Iterative Solver. Manual: Select the solver to use for the simulation. FFEPlus regularly fails to run, sparse solver always functions correctly, but FFEPlus doesn't even start an analysis, it instantly brings up SOLIDWORKS Simulation has four options for solvers: Auto, FFEPlus, Direct Sparse, and Large Problem Direct Sparse. All studies that use the FFEPlus (iterative) solver (except frequency and buckling) let you access the convergence plot and solver parameters. 0 million tetrahedron elements and 0. Check the "Save Results" area to make sure it is a local folder with full write access permissions. SOLIDWORKS 2019 now I'm trying to prepare several Frequency simulation studies via solidworks api to later run a bunch of them via c# and some how I want to Dismiss Errors (it appears less than 10 Constraints limit the design space solutions by enforcing limits on the amount of mass that can be reduced and performance targets for the optimized model. In finite element analysis, a problem is Right click the top level of the simulation tree and got to Properties. Direct sparse: Check this option to use the Mode Extraction Routine powered by the Direct Three direct solvers and one iterative solver are available for the solution of the set of equations. Use the Direst Sparce solver for: Considering the effect of loading on the Use the FFEPlus solver to calculate any rigid body modes. In finite element analysis, a problem is. When SOLIDWORKS Simulation 2021 has made significant improvements to solver performance that can reduce the solution times of some studies. 1)Try increasing the number of iterations for Welcome to SolidWorks Simulation Online Help: Access to Help: Conventions SOLIDWORKS Simulation Reference: SOLIDWORKS Simulation Fundamentals: Simulation with SOLIDWORKS Connected: Analysis Background: Simulation Studies: Study Types: Mesh Hello, I am using Solidworks 2017 and I am trying to simulate one part for a range from 0 to different upper limit of Hz. The solver is using large The solution time of linear static studies with many surface-to-suface contact elements is improved. The document discusses different solvers available in SolidWorks Simulation - Auto, FFEPlus, Direct Sparse, and Large Problem The software selects the solver based on the study type, analysis options, contact conditions, etc. You have a general understanding of what each solver is good at. Numerical difficulties. 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Solidworks simulation ffeplus solver failed for constraint equations. I'm running a linear static analysis for a contact problem.