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Analysis Partner WebinarSIMSOLID Corporation

About the PresenterKen Welch, SIMSOLID Chief Executive OfficerKen is cofounder and CEO at SIMSOLID. Ken holds a Bachelors and Masters in Engineering from the University of California, Davis, and has worked in CAE for over 30 years. Ken has had previous roles as VP strategy for MSC Software and COO of Moldflow as well as various product management roles at Autodesk, Rasna Corporation and PDA Engineering.

The Geometry ProblemThe geometry of CAD and FEA are DifferentDisparity between CAD and FEA geometry models needlessly complicates the analysis user paradigm and is the primary inhibitor blocking wider adoption of FEA in driving design workflows According to H. Clark Briggs, Ph.D., from ATA Engineering Inc. ATA supplies design analysis and testing services to major manufacturers. Briggs, vice president of aerospace and defense business development, estimates his staff spends between 30% and 50% of the project time repairing their clients geometry. Indrakanti Chakravarthy, Siemens PLM Softwares director of simulation marketing for the Americas, has a higher estimate: Up to 70% of an analysts time is spent searching for data and preparing a model for analysis.Kenneth Wong in Desktop Engineering, Design, December 2013

TRADITIONAL FEA The Ugly Details (skip unless you are interested)The Geometry Problem Creates Complexity Complexity in FEA Geometry Model Creation:Assemblies must be simplifiedPart geometry must be simplified defeature, midplane, etc.Assembly and part simplification leads to complexity in connector modelingComplexity in Meshing:Small features, thick to thin feature transitions, assemblies with significantly different part sizes can all create low mesh quality and extremely high element counts Mesh dependent techniques and special interface elements are required to model connections like welds, rivets and bolts.The meshing process is in many cases unpredictable & remedies are hard to identify Complexity in Solving:Significant hardware resource requirements due to huge number of elementsExcessive run-time limits use to simple parts and small subassembliesNumerical instabilities, in particular in case of non-linear analysesMany problem dependent options settings required. Creates a long learning curve

All steps require many judgment calls, are labor-intensive, error prone and requires experts in both simulation and CAD

The Geometry ProblemThe geometry of CAD and FEA are DifferentDisparity between CAD and FEA geometry models needlessly complicates the analysis user paradigm and is the primary inhibitor blocking wider adoption of FEA in driving design workflows

The Geometry Problem Creates ComplexityComplexity in defeaturing, midplaning, geometry editing & cleanupComplexity in meshingComplexity in load creation and applicationComplexity in solving All steps require many judgment calls, are labor-intensive, error prone and often requires experts in both simulation and CAD

The SIMSOLID SolutionReinvent the process of structural simulationProvides a direct connection to Onshape cloud documentsEliminates the need for CAD model simplification from structural analysis workflowsEliminates meshing from structural analysis workflowsProvides adaptive analysis to control solution accuracyProvides smart connectors to make assembly modeling easier and more robustProvides superior performance metrics for computation time and memory footprintOperates simply and efficiently as a lightweight desktop app

Benefit 1 - Process Improvement

SIMSOLID eliminates the two most time consuming and expertise extensive tasks of geometry simplification and meshing

Benefit 2 Changing Whats Solvable

FEA

SIMSOLIDIncorporate Large Assemblies and Complex Geometry

This is the big difference. Instead of isolating a small context9

Application ExampleAnalysis of Large AssembliesLarge assembly 153 parts with varying thickness and sizeLarge and small scale partsThin walled tubular componentsComplex floor grateBolted and welded connections

Direct from CADCAD geometry analyzed unaltered All part connections auto-generatedImport, model & solve in under 14 minutes on desktop Core i7

Solution not practical in current FEA systems

10

Application ExampleEliminates Part Geometry Cleanup

Application ExampleEliminates Part Geometry SimplificationTelescope housing complex machined base plate

1,200+ faces, 150+ small holes

Solves in 4-minon desktop Core i7

Solution not practical in current FEA systems

Demo

More InformationSIMSOLID a new structural simulation applicationIntegrated with OnshapeEliminates labor extensive geometry simplification and meshing steps Expanding what is possible for structural simulation in a design environmentSIMSOLID is not yet released, it is currently in a private early access testing phaseTo find out more or to request early access go to:

http://www.simsolid.com