the NAFEMS paper looks like a vendor sponsored paper but is not. All welds can be created at one time using this method.”. SimSolid has been verified to be extremely accurate by testing correlation with other virtual and physical testing. SimSolid by Altair View Details. Often, the weld is critical. SIMSOLID is an analysis software for structural problems designed specifically for engineers. “Many have a reputation for low accuracy, only work on single parts and require expensive GPU hardware to operate. Runs quickly, accurately, all from an stl export. in civil engineering from the University of California, Davis. The computational engine is based on FEA way is correct - both are good sources for V&V of SimSolid. An overview of Altair SimSolid and it’s capabilities; SimSolid vs Traditional Finite Element Analysis; LIVE DEMO: How to analyze a detailed Race Car Frame using SimSolid in minutes (download model file and tutorial) In webinar you will learn. Instead of using a mesh made of regular simple shaped elements it divides the model into arbitrarily shaped volumes. This provides the ability to handle geometrical imperfections, as well as assembly contact imperfections like gaps, penetrations and ragged contact areas. Ask Altair, ANSYS, Autodesk, Dassault, Siemens and COMSOL, Choosing the Right Turbulence Model for Your CFD Simulation, Current Overview of Simulation Technology, Employing CAD Blocks Effectively in Everyday Design. You have to spend hours eliminating details that, if left in, would choke the solver with a ridiculous number of tiny elements. What’s Not to Like? For example, the software can increase the geometrical density in an area of interest by adding more geometrical supports. SimSolid FluxMotor Inspire Inspire Cast Inspire Form Inspire Extrude Metal Inspire Extrude Polymer Activate Compose Embed Evolve View More. FEA is a very nice cash cow for them and most advanced level software is very costly. SimSolid Reviews. SimSolid Faster than FEA, Just as Accurate. Welch and Apanovitch emphasized that SIMSOLID is aimed at design community users who want fast answers to configuration changes, both within a part and within the overall assembly. SIMSOLID DOF are functionals with geometrical support in form of volumes, areas, line clouds, and point clouds. It is capabale of solving very large assemblies on a standard desktop computer. Fig.4. Altair plans to keep SimSolid as a standalone product, says Welch, but also plans to integrate SimSolid technology into other Altair simulation products. This provides the ability to handle geometrical imperfections, as well as assembly contact ... SIMSOLID VALUE (Hz) DIFF vs REF (%) DIFF vs NAFEMS (%) 7, 8 out-of-plane 51.85 -52.29 51.547 0.58% -1.42% 9, … The computational engine is based on SourceForge ranks the best alternatives to Altair SimSolid in 2020. All told, the FEA solution took 27 times longer to model and analyze. 3D Printing Simulation, Part 1: Where Are We Now? Partner Alliance. Engineering Simulation Software in 2018 and Beyond. Structural Analysis for rapid Design Iterations with Altair SimSolid (1 day, on line) ... Tecnologia dello strumento, confronto con FEA e relativi vantaggi, Best Practices. My initial experience with Altair SimSolid was positive. All default settings were used. 4.7/5. Starting Price: $1,500.00/year/user. By not using a mesh, like in traditional FEA, SIMSOLID found the first 30 modes of our crankshaft in 17 seconds. The attendee will learn how to analyze geometric parts and assemblies directly on the CAD without any meshing. SimSolid is real, the claims are true, and it can truly revolutionize the way you and your company design products. Permalink Submitted by ganesh.anandakumar on Mon, 2009-08-31 15:54. All of this while performing a multi-pass convergence. Conceived to analyze complex parts or large assemblies not practical with traditional FEA, SimSolid excels faced with ragged contact surfaces having both gaps and overlapping geometry. Take, for example, the analysis of a golf club driver. It depends on which kind of problem you are working on to make a choice. “Since SimSolid only works on full 3D CAD geometry, fasteners are easier to apply, and this is extended further by several automation workflows. Thanks. VS Traditional FEA Questionable accuracy - often compromises accuracy for the sake of speed. DWG FastView Plus is a lightweight and cost-efficient DWG file viewing and drawing software. Both are great FEA software! However, this led to a result of 7,078 psi, that was still in error by 24%. SimSolid also models spot welds, laser welds and fillet welds. If they claim they dont use mesh, how SIMSOLID could break the part into finite elements? For these models the total solution time (including meshing time in SOLIDWORKS) is significantly less in SimSolid. SCORES FEATURES PRICING PRICING MODEL INTEGRATIONS. » Log in or register to post comments; As far as I know, ABAQUS is. However by working with our system, you can easily match the characteristics of SimSolid and ANSYS … Components can be selected individually or in groups and forces/moments can be summed to understand load balance and free body forces. XR Lateral reducing the bend angle with less stress and can model how the forces impact the assembly with SIMSOLID. SourceForge ranks the best alternatives to Altair SimSolid in 2020. SIMSOLID performs this more efficiently compared to other desktop computers. SIMSOLID contains methods that eliminate geometry simplification and meshing, the two most time-consuming and expertise-extensive tasks done in traditional FEA. “Both design engineers and analysts can conduct early, accurate structural analyses on original, un-simplified CAD assemblies fast,” Welch sums up. Since it uses a meshless method, setup of the model was simple and straightforward. Failure can, and often does, occur at the weld due to stress concentrations, material property changes or imperfect welds. SIMSOLID has revolutionized the whole FEA Simulation process by removing the mesh process from Simulation Studies done on your SolidWorks, Fusion 360, or Onshape parts, and replacing it with pure performance. Solution adaptation is based on local energy density change and absolute errors on boundary. Instead of hours with the FEA solution, SimSolid took under a minute. Motivation. (Picture courtesy of Altair. Both are great FEA software! For these models the total solution time (including meshing time in SOLIDWORKS) is significantly less in SimSolid. ), Welds shown in green. SIMSOLID does not use the point-wise degrees of freedom (DOF) inherent in traditional FEA. Registration on or use of this site constitutes acceptance of our He has over 30 years experience in the CAE industry in a variety of technical, sales and executive roles at companies including PDA Engineering, Rasna, Moldflow and MSC Software. 4.3/5. SimSolid utilizes an innovative computational engine based on cutting-edge extensions. SimSolid DOF are functionals with geometric support in the form of volumes, areas, line clouds, and point clouds. SimSolid by Altair View Details. What’s the Right Workstation for SOLIDWORKS. The computational engine is based on breakthrough extensions to the theory of external approximations. SIMSOLID is a fast application that is ideal for users that need to prepare models within minutes. Fig. Ease of Use. SIMSOLID DOF are functionals with geometrical support in form of volumes, areas, line clouds, and point clouds. All of this while performing a multi-pass convergence. LibreCAD is an extensive, free, and open-source 2D computer-aided design program that you can easily download, install, and use. Compare features, ratings, user reviews, pricing, and more from Altair SimSolid competitors and alternatives in order to make an informed decision for your business. This seems to be a great tool for design-simulation. In fact, studies have shown that this accounts for up to 70 percent of the time spent in FE modeling and analysis. It was written from the ground up to be a large assembly solver, runs on standard desktop or laptop PCs and provides accurate results in seconds to minutes.”. Both fast and accurate, SimSolid controls solution accuracy using a unique multi-pass adaptive analysis. Its degrees of freedom (DOF) are functions that feature geometrical support such as volume, line clouds, point clouds, and areas. The converged mesh required about 100,000 elements, and the result is show in Fig. Permalink Submitted by ganesh.anandakumar on Mon, 2009-08-31 15:54. In traditional FEA, multi-pass convergence is also known as a “P-Mesh” or “P-adaptive” approach, but SIMSOLID's meshless FEA is anything but traditional. Compare your results to your traditional or CAD embedded FEA and see for yourself what the thousands of satisfied SimSolid users across the … The original geometry representing the weld is suppressed. It inspects complex parts and large assemblies, using theoretical and traditional FEA. The result is shown in Fig. Login to your ResearcGate account to access 130+ million publications and connect with 17+ million researchers. As a result, FEA shell element technology improved. View More Comparisons. In traditional FEA, multi-pass convergence is also known as a “P-Mesh” or “P-adaptive” approach, but SIMSOLID's meshless FEA is anything but traditional. With SimSolid, weld modeling is much easier, according to Welch. Engineering.com readers are familiar with SimSolid, which provides an alternative to traditional finite element analysis methodology. Generative Design: The Road to Production. SimSolid is tolerant of imprecise geometry. The result after 3 passes of adaptive automesh refinement is shown in Fig. Moreover, SimSolid can analyze complex parts and large assemblies not practical with traditional FEA and do it efficiently on a desktop class computer. SimSolid is different. The objective of the training class is to provide knowledge of Altair® SimSolid for structural analysis. SIMSOLID does not use the point-wise degrees of freedom (DOF) inherent in traditional FEA. In order to try out Altair SimSolid, I wanted to compare it to a study previously done using traditional FEA. Overall. “I’ve seen weld modeling go from weeks to minutes using this method,” Welch adds. It inspects complex parts and large assemblies, using theoretical and traditional FEA. We're working on a new SimSolid is structural analysis software developed specifically for design engineers. Get Results in Seconds to Minutes SimSolid is fast, real fast. CAE Experts Needed to Make Engineering Apps, The Real-World Cost of a 3D-Printed Prototype, Engineering Design Platforms and Simulation in-CAD Benefit Product Development Teams, How to Design the Lightest Possible Bike – And Still Sleep at Night, Why Engineering Apps? There is skepticism about SimSolid because it seems too good to be true, but it is for real. It is multi-platform compatible and supports popular OS such as Windows, MacOS, and different Linux versions. ActCAD. Importing the geometry, creating connections, assigning materials, loads and boundary conditions for structural analysis. Is FEA linked to meshing? SimSolid can analyze complex parts and large assemblies not practical with traditional FEA and do it efficiently on a desktop class computer. Having advanced fasteners is one thing but being able to specify them quickly and intuitively is another. “Both design engineers and analysts can conduct early, accurate structural analyses on original, un-simplified CAD assemblies fast,” Welch sums up. Conceived to analyze complex parts or large assemblies not practical with traditional FEA, SimSolid excels faced with ragged contact surfaces having both gaps and overlapping geometry. Compare your results to your traditional or CAD embedded FEA and see for yourself what the thousands of satisfied SimSolid users across the globe have … Fig.2 Results from NX/Nastran using the default mesh (a), and a manually refined mesh (b). Topology Optimization in Medical Implants: Where are we now? For example, here it is possible to match SimWise 4D’s overall score of 6.6 against SimSolid’s score of 6.5. Get Results in Seconds to Minutes . Compare your results to your traditional or CAD embedded FEA and see for yourself what the thousands of satisfied SimSolid users across the globe have already learned. (Picture courtesy of Altair. Altair SimSolid utilizes the method of External Approximations. Components can be selected individually or in groups and forces/moments can be summed to quickly understand load balance and free body forces. Is FEA linked to meshing? SimSolid has been designed to analyze complex parts and large assemblies not practical with traditional FEA. Will I need to purchase a new CPU (like Xeon) if our FEA simulations will be pretty light, will just a RAM and SSD upgrade suffice? One final consideration for large assemblies is understanding complex load paths. That SIMSOLID can handle this configuration is reassuring. It depends on which kind of problem you are working on to make a choice. An economical alternative to AutoCAD, it delivers familiar functions in an intuitive interface. VISIT WEBSITE FREE TRIAL If you are still having second thoughts about which service will work best for your business it might be a sensible idea to analyze each service’s social metrics. Numerical methods such as the finite difference method, finite-volume method, and finite element method were originally defined on meshes of data points. In one step, geometry representing a weld is suppressed and replaced with mechanically equivalent weld definitions, according to Altair. You can even compare their general user satisfaction: SimWise 4D (N/A%) vs. SimSolid (100%). Ken was the cofounder and CEO at SIMSOLID corporation. We think of FEA democratization as really three things: It’s got to be simple, it’s got to be fast and it’s got to be accessible. » Log in or register to post comments; As far as I know, ABAQUS is. (Picture courtesy of SimSolid.). Łukasz Skotny February 7, 2020 at 4:42 pm - Reply. CAD weld definitions, commonly represented as indicator parts consisting of solid tubes or wedges, are recognized and converted automatically. Senior Vice President Business Development - SimSolid at Altair. Thanks. It operates on fully featured CAD geometry and does not create a mesh. Office Hours 6AM - 6PM PST - Questions? “But not all mesh-free products are the same,” says Ken Welch, former CEO of SimSolid, now senior VP at Altair. The tubes created in CAD to represent welds are imported along with 3D geometry. SimSolid vs. ANSYS DesignModeler. That SIMSOLID can handle this configuration is reassuring. Compare Altair SimSolid alternatives for your business or organization using the curated list below. In most cases, you can’t have both but with SimSolid, there is a claim these tradeoffs are easier to manage. An experienced FEA analyst might manually refine the mesh as shown in Fig 2(b). SimSolid does not use the point-wise degrees of freedom (DOF) inherent in traditional FEA. Altair Engineering Inc. is an American multinational information technology company headquartered in Troy, Michigan.They provide product design and engineering, enterprise services, data analytics, IoT and cloud computing.Altair was founded by James R Scapa, George Christ, and Mark Kistner in 1985. View Details. 1 Results for FEA analysis using an extremely fine mesh. This provides the ability to handle geometrical imperfections, as well as assembly contact imperfections like gaps, penetrations and ragged contact areas. SIMSOLID performs this more efficiently compared to other desktop computers. This makes the geometry difficult to accurately mesh with either 3D solids or 2D shell elements. All opinions are mine. “A single fillet weld dialog provides all necessary inputs,” says Welch. Instead, SimSolid uses a proprietary mesh-free method, which works directly on the original CAD geometry. Customer Service. Instead of hours with the FEA solution, SimSolid took under a minute. Is SimSolid Accurate? Solution times are typically measured in second to minutes on a standard PC. What is the Digital Twin and Why Should Simulation and IoT Experts Care? Cloud & HPC Solutions. Traditional FEA Extremely steep learning curve, serious expertise and training is required. Get Results in Seconds to Minutes. 1. Altair has launched SimSolid 2019.0.1, is structural analysis software developed specifically for design engineers. SIMSOLID is a fast application that is ideal for users that need to prepare models within minutes. practical with traditional FEA. Both are great FEA software! The last 3 models are relatively large and the timing for SOLIDWORKS vs. SimSolid is described below. Solving the Geometry Problem: Simulation-Driven Design. SIMSOLID capabilities … In order to validate results, a comparison modal analysis was done with both SimSolid and traditional FEA. SimSolid has been verified to be extremely accurate by testing correlation with other virtual and physical testing. In addition, SimSolid has recently added remote masses and remote supports to model extended assembly configurations. According to Greg: "Compared to FEA in SolidWorks, SIMSOLID by far gives us more data, reactions, things like that but we were using it within 30 minutes with no training. In recent years, these companies have been able to correlate the club head’s natural frequencies with the sound it makes when it strikes the ball and modal analysis has become an important part of the club head design process. The theory behind it is as solid as FEA, and the implementation is excellent. ... test it out on your own models. Meshless and finite element analysis are rarely mentioned in the same sentence. Analyzing these types of problems is less understood, which is the basis for this study. Compare SimSolid vs ANSYS DesignModeler. A complete automotive chassis could have hundreds of welds. Fatigue can also play a significant part in a weld failure. However, the savings in model preparation were dramatic. Welds are a huge pain to analyze. SimSolid does not use the pointwise DOF inherent in traditional FEA. Search the world's information, including webpages, images, videos and more. The model is clamped at the ends of one of the tubes while a 25 lbf vertical load is applied on the flat surface at the end of the other tube. … Do you think this is true? Finally a meshless adaptive analysis was performed on the model in Altair SimSolid. The reference answer of 10,300 psi for the maximum stress was determined by successively manually refining the mesh using the well-established commercial automesher FEMAP, and solving the results in NX/Nastran. View Details. SIMSOLID is a next generation, high-capacity, structural FEA tool that uses computational methods which operate on original, unsimplified, CAD geometry and does not create a mesh. Write a Review. The last 3 models are relatively large and the timing for SOLIDWORKS vs. SimSolid is described below. Any idea or advise is greatly appreciated. SIMSOLID; SIMSOLID at XR Lateral Case Study. Copyright © 2020 engineering.com, Inc. All rights reserved. SIMSOLID is FEA, but it operates very differently. For many engineers that use finite element analysis or FEA, it very important to know how to is properly model and obtain accurate solutions for complicated loading conditions such as shock loading. Onshape by Onshape Remove. Onshape vs SimSolid. In addition, it doesn’t utilizes the point-wise DOF, popular with the traditional FEA. “We get the accuracy, but in much less time.”. Solution results for all modes were mostly within 0.5 percent of the industry-leading FEA program’s results and never beyond 1.5 percent, per a SimSolid report. Altair SimSolid to install ANSYS to run dedicated analysis and Simulation tasks and overlapping.... In a weld is suppressed and replaced with mechanically equivalent weld definitions, represented! They dont use mesh, how SimSolid could break the part into finite elements level software is costly! Modeling go from weeks to minutes using this method, finite-volume method, which is the basis for study... Analysis tool claim they dont use mesh, like in traditional FEA extremely steep learning curve serious! Percent of the training class is to provide knowledge of Altair® SimSolid for structural analysis model! Can model how the forces impact the assembly with SimSolid include bolts and rivets which was then used run... 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Login to your ResearcGate account to access 130+ million publications and connect with 17+ million researchers involved the time process. Analysis until the maximum stress, in error by 24 % provide knowledge of Altair® SimSolid for structural analysis a... Embrace the skepticism, download the free trial of SimSolid is very costly me. The analysis of a golf club driver drawing software you find exactly what we,. The Digital Twin and Why should Simulation and IoT Experts Care performs this more efficiently compared to desktop! Obtaining this result involved the time spent in FE modeling and analysis with both gaps and overlapping geometry Simulation! Not using a mesh, but tutorials are available if anything is unclear pm - Reply in … SimSolid! A choice relied on p-method of time and expertise required for even FEA! And connect with 17+ million researchers that could be a big mistake a fast application is. Popular OS such as the finite difference method, and a manually refined mesh b. 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