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PreSys + VPG Product Release February , 2013

PreSys + VPG Product Release February , 2013. ETA Corporation Overview. US-based engineering services and software development company, Established in 1983 Over 250 employees US, Canada, China, Germany and India operations Software Distribution Partners Worldwide

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PreSys + VPG Product Release February , 2013

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  1. PreSys + VPG Product ReleaseFebruary, 2013

  2. ETA Corporation Overview • US-based engineering services and software development company, Established in 1983 • Over 250 employees • US, Canada, China, Germany and India operations • Software Distribution Partners Worldwide • CAE software developer for virtual product development • Inventium: A new software architecture which is the platform for ETA’s new generation of FE modeling software products; PreSys, VPG , DYNAFORM & future developments

  3. Inventium Product Architecture RELEASE TIMING Complete Modeling Toolset, Solver-neutral, Integrated Post Processing Vertical Application Toolsets, focused on LS-DYNA applications Vertical Applications for Die System Design & Analysis New Toolsets used in advanced product and concept development Available NOW Available Now

  4. PreSys Overview • Finite Element Pre- and Post-Processor to Prepare Product Design Data and Process Simulation Results • Modern Computing Platform; Windows 7 / 8, Multiple CPUs, Multiple Cores….. • Intuitive Interface • High Performance Graphics Capabilities • Streamlined Processes • Model Explorer Feature • Language Localization • Japanese per request • Support LS-DYNA and commonly used Analysis & CAD Systems

  5. When you see this icon, it means you can find more info and a video demo on the ETAINFO1 channel on YouTube.com PreSys Capability Summary CAD Modeling Point/Line/Surface Mesh Generation Node/Element Connections Input/Output/Save File Transfer CAD Interface Utility Functions Measurements LCS / Parts Solver Definition Model Conversion Model Organization Model Check Contact Check Connectivity Check Boundary Conditions Loading Conditions Material Property Keywords / Definitions

  6. PreSys Unique Features • Fully Customizable User Interface • Toolbars • Menus • Shortcuts • Macros • Layout • Windows • Keyword view to edit ‘card images’ • Default values displayed • Multi-model capabilities • Pre – Post processing shown simultaneously • Scripting / session file replay capability • 3D Viewer App • Extreme Large Model / 64 bits

  7. PreSys2012 R2 VersionCapabilities/Enhancements

  8. Shape Mesher Create shell or solid mesh in primary shapes: Box, Cylinder, Sphere and Torus

  9. Connection – Solid Elements • Support adhesive type of connections Create solid elements to connect parts • Supports spotwelds in solid elements MAT100 4/8/12/16 Hexahedron elements • Significantly improved spotweld generation speed

  10. Beam Section Libraries & Editor (PreSys) • Provide beam section libraries; North America, Japan, Europe & India standards • User can build their own libraries • Create beam properties from libraries

  11. Meshing / Element Generation • Topology mesh, Control point mesh; Modify boundary node • Triangle mesh • Re-mesh • Modify boundary node; free edge option • Add Washer, non-circular holes; drill holes • 2-line mesh, Improved mesh pattern for closed lines • Drag mesh, Using solid element faces directly

  12. Line/Surface Operation • Create Arc • Split original lines; combine new lines • Split Surface • Option to split both surfaces • Sweep • LCS can be used as path • Extend Surface • Middle Surface

  13. Spreading – a Selection Method • Node Spreading- Along edge • Segment Spreading; Inside region • Face of Solid Elements Spreading

  14. Node / Element / Model Check • Align node - for multiple lines • Assign beam element orientation and offset • Assign mass/SPH element value • LCS can be used as path • Create SPH element from element center • Support 2nd order element in most functions • Add more checks for solid elements • Reorganize model check based on element types

  15. CAD Interface Updates • CATIA V4 - 4.1.9-4.2.4 • CATIA V5 - R6-R22 (V5-6 R2012) • NX - 11 – NX8 • Parasolid - 10.0-25.0.155 • Pro/E - 16 - Creo 2.0 • SolidWorks - 2003 - 2013 • STEP - 203, 214 • Inventor - V11 - 2013

  16. CAE Solvers Interface Updates • LS-DYNA 971 R6.0.0 • NEiNastran Version 10.1 • NISA Version 18

  17. PreSys + VPG Overview • Vertical Application Modules • PreSys + VPG Modules are toolsets developed for specific applications • Provide a streamlined process in a consolidated menu group • Application focused modeling modules • PreSys + VPG Modules are implemented as ‘plug-ins’ • FSI (Fluid Structure Interaction) Module • Drop Test Module • Safety Module • Structure Module

  18. FSI Module • Allows users to more easily build LS-DYNA fluid-structure interaction models using the ALE method • Used for blast models, airbags, fuel sloshing, alternative energy, medical • Easy coupling of Fluid & Structure Models • 64-Bit implementation to make creating extremely large, detailed models easily • Tutorial & Examples available

  19. FSI Overview Structure Model Fluid/ Explosive + Post Processing Shock Tube Model

  20. FSI Setting - Mesh Generation The proportion of model: 1, 1/2,1/4 The shape and relative position of explosive and zones The dimension of explosive The dimension and material of Zone 1 The dimension and material of Zone 2

  21. FSI Setting - DefineMultiple Transition Regions • The user can define multiple transition regions to ensure the mesh size compatibility between explosive source and medium. • A preview mode is available to display the transition regions before generating the mesh.

  22. FSI Setting -Ratio Between Transition Regions In this transitional region, the element size is gradually transitional The ratio value is the theoretical ratio value between the first element size and the last element size in the region.

  23. FSI Setting - Define the Material and the Property The explosive and the zones have been assigned the common material and property. The user can change the material or property by clicking the corresponding button.

  24. FSI Setting - Define the Keyword for Simulation All the keywords related to FSI are listed in this tab A keyword editor is displayed when the user double clicks on “keyword” When saved, the defined list is shown as defined in the Card list

  25. Drop Test Module (DTM) • A specialized toolset for engineers who perform various tests using LS-DYNA • Consumer Electronics • Packaging Design • Aerospace Applications • Consists of Task Panels that allow the user to easily set up • Drop Tests • Shock Tests • Vibration (Shaker Table) Tests • Indentation Tests • Multiple input files for variations can be generated

  26. DTM - Drop Test • Drop Test Module provides many methods to help the user adjust the drop direction easily.

  27. DTM - Drop Test • Select the standard to define the drop test condition directly. • Set the simulation height to cut the calculation cost. • Calculate the termination time according to the simulation height automatically.

  28. DTM - Drop Test The card option helps to set various desired responses easily, such as the stress curve, acceleration curve, etc.

  29. DTM - Drop Test • Submit the LS-DYNA input file directly • Generate the batch file for different heights or angles

  30. DTM - Vibration and Shock Tests • Improvements made to the Shock and Vibration sections • Vibration Test: • Users may select PSD or Time Domain inputs • Curve Selection / Definition • Shock Test • Curve Selection / Definition

  31. Safety Module Features • FMVSS, ECE and J-NCAP Crash Test Setup • Import Dummies from Library • Create a Dummy • Create a dummy that can be positioned from a 3rd party dummy (LSTC, etc.) • Dummy Positioning • Drag & drop functionality • Seat Belt Routing • Improved accuracy of the belt routing • Easier to use • Seat Foam Deformed Shape

  32. Crash Regulation Summary Test Procedures Supported by VPG/Safety FMVSS Regulation 201 Head Impact 208 Frontal Impact 210 Seat Belt Anchorage 214 Side Impact 214 Side Door Impact 214 Side Pole Impact 216 Roof Crush 225 Child Restraint Anchorage 301 Rear Impact 581 Bumper Impact ECE Regulation 17 Luggage Intrusion 32/34 Rear Impact 66 Bus Rollover 94 40% Offset Front Impact 95 Side Impact Janpan NCAP Frontal Impact Offset Front Impact Side Impact Other Regulation IIHS 40% ODB IIHS Side Impact Pedestrian Impact (2013) Euro-NACAP GTR

  33. Crash Test Set-up • The prompt pictures are shown when users select the regulations or set the parameters • Allows the user to import and position 3rd party barriers and dummies • LSTC Barriers and Dummies

  34. One Model, Multiple Cases The most exciting feature is “One Model, Multiple Cases”

  35. Regulation Window • NEW Regulation Window • Allows users to define multiple crash tests using a single vehicle model • Controls the output of these cases • Update the vehicle model and update several crash test simulations at one time

  36. Regulation Window: Model Display Control Control Component Display Such as MDB, ODB, Roof, Ram and Dummy, Control Keyword display

  37. Regulation Window: Edit Model Mouse right button menu on component allows user to edit position of the Barrier or Dummy Models

  38. Regulation Window: Model Export export fmvss214.k export fmvss216.k

  39. Seat Foam Deformation Tool - Morphing Dummy Positioning Before Deformation Seat Deformation

  40. Seat Belt Modeling • Improved Seat Belt Positioning Tool • Morph the seatbelt to the dummy body surface, creates a perfect fit on a user defined path • Ability to control the seatbelt width / length • Retractor and Slip Ring definitions • Easy-to-use Interface

  41. Pedestrian Protection (New 2013) • Pre-processing • Vehicle Marking • Headform Test • Legform Test • Upper Legform Test • Post-processing • Setup Criteria • Visualization HIC15

  42. Pedestrian Protection Vehicle Marking

  43. Pedestrian Protection Legform Test

  44. Pedestrian Protection Post-processing

  45. VPG - Structure Module (New 2013) • Allows the user to generate the VPG Tire Models and Road Surfaces parametrically • Additional control over tire parameters • Tuning cases automatically set up • Suspension Modeling simplified and streamlined • Less detailed knowledge required • Fatigue Analysis improved • Additional solver implemented • Material library expanded

  46. Tire Model Generation Create tires with easy template and helpful diagrams, which pop ups when mouse hovers over each parameter.

  47. Tire / Cleat Test Setup

  48. Assembly Tire / Suspension • A revolute joint is created to assemble the tire to suspension • Align Tire • Camber Angle • Toe Angle

  49. VPG Road Surface Generation Import road from built-in library (12 roads) from user’s file

  50. VPG Road Surface – Parametrically Defined Create Parametric Road Plank Road Pothole Road Curb Road Roof Road Sine Road Crown Road

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