Three types of dynamic simulations are available: Part of the Altair Hyperworks suite, SimSolid is the game-changing simulation technology for designers, engineers, and analysts that performs structural analyses … This is a recording of the webinar from May 13th, 2020 that Introduces SimSolid by Altair. Three modal analyses are performed on the unconstrained model that capture respectively the first 5, 50 and 200 flexible modes. Home / Tag: modal analysis. You may unsubscribe from these communications at any time. Analysis is all about managing trade-offs between speed and solution accuracy. Static analysis of a complex machine plate consisting of 1,200+ faces and 150+ small holes. SIMSOLID capabilities … Learn how to post-process using datum points in Altair SimSolid. The lowest modes with simple shapes are usually easy to find, but it becomes increasing more difficult to capture the modes with higher frequencies and more complex mode shapes. Altair will demonstrate additional powerful functionality of SimSolid, preview the upcoming SimSolid 2020 release, and introduce an exciting new integration with Altair Inspire. Learn how to creates adhesives in Altair SimSold. Learn how to perform static analysis by applying bolt pretension in Altair SimSolid. You've come to the right place. SIMSOLID supports analysis of Fusion 360 mesh bodies. Altair and our resellers need your email address to contact you about our products and services. Altair SimSolid - Modal Analysis Learn how to perform modal analysis in Altair SimSolid. Our Power edition adds thermal, thermal-stress, material nonlinear and geometric nonlinear. Best of all, solution times are typically fast – seconds to minutes, even when asking for large number of modes. This is a truss structure with 500+ parts with a variety of shapes and full CAD geometric detail. Altair SimSolid Standard edition comes with linear static and modal analysis. 8.2 Complex Machined Plate. Stay Connected. Learn how to create liquid mass in Altair SimSolid. Finally, here is a video of modes being calculated on a more realistic model. One primary objective of the modal analysis is to make sure the structure is not operating (vibrating) at a frequency close any of its natural frequencies. Here you can see not only the multitude of CAD formats supported, but just how fast it is to pull a complicated part into SimSolid and run a quick modal analysis: Enter a caption (optional) Demonstration #2: Comparing Multiple Design Variants. Three modal analyses are performed on the unconstrained model that capture respectively the first 5, 50 and 200 flexible modes. This information is important for understanding the dynamic behavior of a structure. We are currently listed on Nasdaq as ALTR. Here are a few results from the static analysis. Ready to move forward? Ken was the cofounder and CEO at SIMSOLID corporation. SIMSOLID is a new generation of structural analysis. Inspire's award winning user experience for geometry creation and modification can be learned in just a few hours, and delivers dependable Altair solver power. Learn how to perform transient dynamic analysis in Altair SimSolid. KW: Certainly. and M.S. Learn how to perform a random response analysis in Altair SimSolid. Just for fun, here is a quick SIMSOLID modal analysis of Reid Johnson's lattice structure model. Typical solution time on an 8-core Intel i7 was 4-minutes.. | Cookie Consent Learn how to perform a dynamic frequency response analysis and evaluate the equivalent radiated power (ERP) with Constant Loading in Altair SimSolid. The modal analysis used the same post constraints and calculated the fundamental frequencies and mode shapes. This will highlight where the missing connections are. Simplification of the geometry is common to make meshing easier, but this can lead to errors if critical mass or stiffness features are left out. Privacy As one can see, Altair SimSolid is able to capture the details of high frequency modes with high resolution. Altair SimSolid tutorial projects contain CAD models, SimSolid project files and complete workflow instructions. Learn how to use modal participation factors in SIMSOLID. Integration, model and solve in SIMSOLID done in under 1 minute.SIMSOLID is next generation, high capacity, structural FEA. Transient Analysis of a I Beam using Optistruct FEA software No meshing or remeshing is required. Altair SimSolid makes the process of finding modes much easier. Recent Posts. Learn how to perform thermo-structural coupling analyses in Altair SimSolid. Here is an example of circular steel plate. It eliminates geometry simplification and meshing, the two most time consuming and … With traditional FEA, the user is forced to understand the strengths of various solver methods (Lanczos, Subspace, Householder, etc) and solvers (Sparce, PCG, etc.). Have a Question? Ready to move forward? By performing structural analyses on fully featured CAD assemblies within minutes, SimSolid is the game-changing simulation technology for designers, engineers, and analysts. Since it works with the full CAD geometry, the true mass and stiffness is better represented. CAD design was modelled in such a way that the loads and boundary conditions can be applied smoothly on required region. Structural analysis with SimSolid's speed and accuracy - as independently validated by NAFEMS - provides the ability to analyze large assemblies and complex parts. | Website Terms of Use SIMSOLID modal analysis with modal participation factors of a large space truss — 549 part assembly. SimSolid is used at Whirlpool to quickly evaluate concept feasibility, answer critical design questions, and deliver designs to project teams faster than ever before. Learn how to perform modal analysis in Altair SimSolid. Ken holds a B.S. All runs are performed on a standard Intel I7 desktop computer with standard solution settings. Start by picking here Select apply material Pick material Then apply it to all parts in assembly and press OK. 15 12/2/2018 In SIMSOLID no meshing is required, so the entire process, from FUSION 360 to results, was done in under 10 minutes.SIMSOLID is next generation, high capacity, structural FEA. Senior Vice President Business Development – SimSolid, Altair’s Marketing Survival Guide to Reporting – LinkedIn: Export Organic Analytics. Future releases of SIMSOLID Professional will also link a modal analysis to a frequency or random response analysis, as well as link a nonlinear static analysis to a modal analysis, to assess mode stiffening. Linear Static Analysis of the Cantilever beam using Altair SimSolid. Demonstration #1: Modal Analysis. Take, for example, the analysis of a golf club driver. Linear static and normal modes analyses are supported when using the SimSolid solver, as well as all boundary conditions and results visualizations. The target with Altair SimSolid Professional edition is to extend our simulation capabilities to support both multi-step and chained analysis solutions. Learn how to create bushings in Altair SimSolid. Learn how to create spots on cylindrical surfaces in Altair SimSolid. Learn how to create joints in Altair SimSolid. Demo Models, Training Materials, Tutorials. In this tutorial, we show you how to set-up, run & post-process the finite element analysis of a cantilever beam/structure. They are intended to complement the SimSolid Fast Start Training Guide with additional instructions on several typical use cases. And, give a name “Modal Analysis”, click on Normal Modes, then select the second option and select the Number of modesas 9, select Customand click Run. Modes are sensitive to the mass and stiffness available in the model. This took around 3-1/2 minutes to solve. And, the completeness of Altair SimSolid’s high order approximation functions used to represent modal shapes makes it less likely for it to miss any modes. Solution times for all analyses are relatively fast – even the largest ran in under 4 minutes. What do I do? Right mouse button select the disconnected part on either the screen or in the Assembly panel and select Edit Connections. Improved CAD Integration for SIMSOLID Professional Every incarnation of SIMSOLID is able to integrate CAD. This makes it easy to create and evaluate a structure’s modal content. All runs are performed on a standard Intel I7 desktop computer with standard solution settings. Thermal – Thermal predicts how thermal effects propagate through the model. First, let us perform modal analysis on this model. Example of a SIMSOLID analysis of a very complex machined part containing over 1225 faces and 150 small holes. As one can see, Altair SimSolid is able to capture the details of high frequency modes with high resolution. In traditional FEA, finding modes can be problematic. ONLINE SimSolid Introduction Altair SimSolid is a fully-featured structural analysis solution that can analyze complex parts and large assemblies efficiently on a desktop class computer. D3D: Do you have any quantifiable information with regards to the accuracy of your methods compared to more traditional approaches? Results of a modal analysis on a 400 parts assembly in Altair Inspire, solved with the speed and accuracy of Altair SimSolid The latest release offers an even more powerful and accessible working environment, enabling a simulation-driven design approach that will cut time-to-market, reduce development costs, and optimize product performance. Is SimSolid Accurate? Table of solution times First 9 flexible modes … Experimental Setup Learn how to simulate an hydrostatic pressure in Altair SimSolid. The crux of this analysis is the way SimSolid accomplishes it more efficiently on any desktop-class computer. We Dare You to Find Out! This is an example structural analysis of a large assembly containing complex geometry done using SIMSOLID. High frequency modes – modes 201 through 206. Learn how to create seam welds in Altair SimSolid. Complicating this further, many modal eigen-solvers are sensitive to the kind, size and shape of the elements used. Adaptive solution refinement allows a single model to capture low to high frequency modes even for large assemblies. Q: When creating connections, I get the message, “Last task was completed with messages” and the message reads “Warning: Assembly has XX disconnected groups of parts”. Autodesk Simulation Recommended for you. Transient dynamics in Altair SimSolid are based on the modal superposition method. It operates on fully featured CAD geometry and does not create a mesh. All analyses were done on a Windows 10 based I-7 laptop with 16 GB of RAM. Additionally, the software utilizes distinctive multi-pass adaptive analysis to govern the accuracy of the solution. Altair Acquires SIMSOLID; Onshape material property integration; SIMSOLID in Research – University of Western Ontario; SIMSOLID transient dynamics adds base excitation; Announcing SIMSOLID Cloud; Tags. This provides the ability to handle geometrical imperfections, as well as assembly contact imperfections like gaps, penetrations and ragged contact areas. Go to the Connections panel in the part explorer and do Actions>Show disconnected groups of parts. SIMSOLID controls solution accuracy using multi-pass adaptive analysis. A modal analysis on the un-simplified assembly took around 1 minute to solve.SIMSOLID is next generation, high capacity, structural FEA. … ... Getting to the Fundamentals of a Modal Analysis in Nastran In-CAD - Duration: 45:58. Learn how to create superposition subcase in Altair SimSolid. Altair SimSolid’s standard solution refinement with 3 adaptive solution passes was used. The mesh body has just over 1/2 million facets. For information on how to unsubscribe, as well as our privacy practices and commitment to protecting your privacy, check out our Privacy Policy. 4-step analysis –calculate first 3 flexible modes Import geometry, create connections Apply material property Create modal analysis & run Examine frequencies and mode shapes. A: Not all parts are connected. There are many “rules of thumb” of how many elements, etc are required. SimSolid FAST START TRAINING. For a given structure, there is an infinite number of vibration modes, however FEA modes are limited by the number of degrees of freedom available in the finite element model. A modal analysis is first run to determine the natural frequencies and modes shape of a structure. Total time for 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. • First, make sure that the partition lines are visible by clicking on ‘Show part edges’ • Click on ‘Modal analysis’ icon in the horizontal toolbar at the top • Set the number of normal modes to 10 and click OK • Click on ‘Immovable support’ icon as shown below A modal analysis is used to find the natural frequencies along with the corresponding shape of the structure at each frequency. Solving the Geometry Problem: Simulation-Driven Design. Solution times for all analyses are relatively fast – even the largest ran in under 4 minutes. Product Details By performing structural analyses on fully featured CAD assemblies within minutes, Altair SimSolid is the game-changing simulation technology for designers, engineers, and analysts. It eliminates geometric simplification and meshing, the two most time-consuming tasks in other simulation software. This mode illustrates the ability of SIMSOLID to efficiently analysis a large assembly with parts of varying size scales (small to large) and varying geometric complexity. Pick the … In SIMSOLID, thermal analysis assumes a … If you need assistance beyond what is provided above, please contact us. Modal – Modal analysis in structural mechanics is used to determine the natural mode shapes and frequencies of an object or structure during free or fixed vibration. Global and local solution refinement makes it easy to examine modal convergence, even for large models. Results of a modal analysis on a 400 parts assembly in Altair Inspire, solved with the speed and accuracy of Altair SimSolid Complex solid parts can be analyzed in Altair Inspire without removing any of the geometrical features The modal analysis calculated the first 10 flexible modes and took an additional 4 minutes. In addition, to capture high frequencies, many parameters (iteration limits, convergence tolerances, lumped or consistent mass matrices, master DOF, and more) often need to be set and “tweaked” in order to get a solution. in civil engineering from the University of California, Davis. SIMSOLID is structural analysis software developed specifically for design engineers. © 2020 Altair Engineering, Inc. All Rights Reserved. With Altair SimSolid there are no solver types or options to set. SimSolid is really fast and is created … Sign up and start exploring the latest discoveries from Altair. The model is 200+ parts. Altair SimSolid calculates modal participation, effective mass and cumulative mass factors for each mode in a specified global or local coordinate reference frame. In most cases, remeshing is required to understand convergence, but this is problematic in itself for complex parts and large assemblies. They are a great resource which allow you to compare SimSolid against your existing FEA solutions. SIMSOLID DOF are functionals with geometrical support in form of volumes, areas, line clouds, and point clouds. To do this, click on the play button in the Analyze ribbon under Structure menu. SimSolid extends Inspire’s solver capacity and makes it much faster to analyze large assemblies and complex parts. Learn how to create distributed mass in Altair SimSolid. The model is David Tarr's excellently detailed Bonelle Tool and Cutter Grinder. 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