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Solid Edge ST4 Event: Session 216   Solid Edge Simulation a Hands-on Experience by Ronnie Conerly
 

Solid Edge ST4 Event: Session 216 Solid Edge Simulation a Hands-on Experience by Ronnie Conerly

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In this training session we will teach you how you to use Solid Edge Simulation capabilities by working through various workflows and examples. Examples of various model types will be included along ...

In this training session we will teach you how you to use Solid Edge Simulation capabilities by working through various workflows and examples. Examples of various model types will be included along with different study and mesh types, boundary conditions, and examination of results.

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    Solid Edge ST4 Event: Session 216   Solid Edge Simulation a Hands-on Experience by Ronnie Conerly Solid Edge ST4 Event: Session 216 Solid Edge Simulation a Hands-on Experience by Ronnie Conerly Presentation Transcript

    • Solid Edge Simulation – Hands On Session © Siemens AG 2011. All Rights Reserved.
    • Speaker Bio: Ronnie Conerly  Background:  Started with Intergraph in the Mechanical CAD/CAE division  With Solid Edge team from initial inception  24 years as a CAD/CAE consultant and involved in the software development process  Areas of Expertise:  Finite Element Analysis  Software development process  Plastic Injection and Blow molding design and Mfg  Personal interests:  All outdoor activities (kayaking, hunting, fishing, etc.)Solid Edge. Design better. © Siemens AG 2011. All Rights Reserved.Page 2 Siemens PLM Software
    • Executive Summary  Today’s Topics:  Basic Concepts of Solid Edge Simulation Capabilities  Workflow Overview for Simulation  Analysis of a Part Model  Analysis of Assembly using Connectors  Analysis of Sheet Metal parts in Assembly  Analysis of a Frame Model  Key Takeaways:  Basic Understanding of Solid Edge Simulation Capabilities  How to Define and Complete Simulations of Parts, Assemblies, and FramesSolid Edge. Design better. © Siemens AG 2011. All Rights Reserved.Page 3 Siemens PLM Software
    • Basic Concepts SE-Simulation provides a robust set of tools to analyze a product design’s structural integrity  Is the design strong enough?  Is another design stronger, and if so, how much stronger? Simulation is integrated into the core interface of Solid Edge and available to designers/engineers/analysts  Core technologies include FEMAP and NX Nastran Simulation supports a variety of model types  Solid mesh for thick type parts  Shell mesh for sheet metal or thin parts  United Bodies (mixed types or not)  Assemblies  Frames/Beams Solid Edge. Design better. © Siemens AG 2011. All Rights Reserved. Page 4 Siemens PLM Software
    • Basic Concepts - Continued Simulation includes a variety of analysis types  Linear Static  Normal Modes  Buckling Static Modal Buckling Solid Edge. Design better. © Siemens AG 2011. All Rights Reserved. Page 5 Siemens PLM Software
    • Basic Workflow in Solid Edge Simulation  Defining Geometry/Model Preparation  Design (Sync or Ordered)  Construction Surfaces  Simplified Parts  Assemblies/Simulation Geometry  Material Properties (can override at Assembly level)  Creating/Defining a Study  Application of Boundary Conditions (Loads/Constraints) on Geometry  Meshing and Possible Mesh Refinement  Solving and Reviewing ResultsSolid Edge. Design better. © Siemens AG 2011. All Rights Reserved.Page 6 Siemens PLM Software
    • Let’s Get Started! Open “Bracket.par” in Solid Edge Review SE Simulation Options  Global, not per document  Change Force to Orange  Change Constraint to Red  Change Beam Curve to Dk RedSolid Edge. Design better. © Siemens AG 2011. All Rights Reserved.Page 7 Siemens PLM Software
    • Defining Material and Creating a Simulation Study Material properties default to what is in the part  Select from Material List dropdown “STEEL”  Can also set from Material Table command Select New Study command from Ribbon bar  Options for Static, Modal, and Buckling Analysis  Mesh Types include Tets, Surface, or United Bodies  Other Options as well  Use default of Tets (Solid elements)  Select OK to create new Study View Simulation Tab in EdgeBar  Note Study with collectors  Collectors get populated with objectsSolid Edge. Design better. © Siemens AG 2011. All Rights Reserved.Page 8 Siemens PLM Software
    • Viewing Study Content in Edgebar View Simulation Tab in EdgeBar  Studies collected under Synchronous, Ordered, or Simplified Nodes  Multiple studies can be defined within a document  Ex. Different materials, loads, variable definitions, etc.  Studies contain Material, Geometry, Boundary Conditions, Mesh, and Results Status Indicator displays state of study objects Solve/Results Geometry/Material Mesh Loads/ConstraintsSolid Edge. Design better. © Siemens AG 2011. All Rights Reserved.Page 9 Siemens PLM Software
    • Applying Boundary Conditions  Select Force command and apply force on face  Options include direction, force value, symbol size/color and ability to show a label  Force Value = 200 lbf  Other Load Types  Select Fixed command and constrain highlighted face  Other Constraint TypesSolid Edge. Design better. © Siemens AG 2011. All Rights Reserved.Page 10 Siemens PLM Software
    • Mesh and Solve  Select the Mesh command and move the slider to the right until mesh = 6  Select the Mesh button  Automatic mesh is uniform  Coarser mesh is faster but not as accurate  Finer mesh takes longer but more accurate  A finer mesh is needed at higher stress points/regions  SolveSolid Edge. Design better. © Siemens AG 2011. All Rights Reserved.Page 11 Siemens PLM Software
    • Review Results Let’s take a look at Result options Animation Show Options Deformation Options Output Results Options Probe Max Stress is 19370 psi Close Simulation ResultsSolid Edge. Design better. © Siemens AG 2011. All Rights Reserved.Page 12 Siemens PLM Software
    • Mesh Refinement in Stress Concentration  Select Surface Size command using 1mm and select the 3 faces in the picture below  Accept. You now have a Surface Size feature in Pathfinder.  Mesh the part again and notice the finer mesh  Solve and notice new results  Max Stress is 50KSI (above yield)Solid Edge. Design better. © Siemens AG 2011. All Rights Reserved.Page 13 Siemens PLM Software
    • Let’s Make a Design Change  2 options: You can modify the model using the same study or create a new study so that you have results saved for both dimensions.  Let’s modify the model using the same study  Change the 10mm PMI dimension to 14mm  Select Solve command which will remesh and solve with the new dimension  Note Max Stress is now 35 ksi which is below yield stress  Close the documentSolid Edge. Design better. © Siemens AG 2011. All Rights Reserved.Page 14 Siemens PLM Software
    • Simulation of an Assembly  Assemblies can also be analyzed with Solid Edge Simulation.  To simulate/analyze assemblies you must define the interaction between components.  Interaction between components is defined by using connectors.  Open TestConnectors.asm  Create a new study  Select 2 parts in AssemblySolid Edge. Design better. © Siemens AG 2011. All Rights Reserved.Page 15 Siemens PLM Software
    • Using Assembly Connectors  Assembly Connectors define the interaction between multiple components in the Assembly.  Select the Manual Connector command Target Face from the ribbon bar  Options for Connectors includes Glue and No Penetration. Use the default of Glue.  Select the face highlighted in red for the target face Source Face  Select the face highlighted in blue for the source face  Specify a search distance of 2mm Connector SymbolsSolid Edge. Design better. © Siemens AG 2011. All Rights Reserved.Page 16 Siemens PLM Software
    • Simulation of an Assembly  Constrain the 2 faces shown in the image  Apply a 500 psi pressure load downward on the top face  Mesh and Solve (note using Glue)  Edit the Connector and change to the No Penetration option  Re-solve Glue Option  Glue prevents relative motion between parts  No Penetration allows for relative motion No Penetration OptionSolid Edge. Design better. © Siemens AG 2011. All Rights Reserved.Page 17 Siemens PLM Software
    • Simulation of an Assembly  Assemblies can also be analyzed with Solid Edge Simulation.  New in ST4 is the ability to create simulation geometry in the assembly document.  Copy surface or solid geometry from occurrences  Create midsurfaces from sheet metal parts  Great when parts are read-only  Workflow is similar to Part with the addition of selecting what parts to analyze and defining how faces from different occurrences interact with each other.  Open TestConnectors.asm  Create a new studySolid Edge. Design better. © Siemens AG 2011. All Rights Reserved.Page 18 Siemens PLM Software
    • Simulation of Sheet Metal in Assembly  Purpose – teach you how to simulate sheet metal analysis in Assembly  Open GarageOpener.asm  Apply Config “SimulationParts” to show the Top Frame and Housing  Select both parts and change them to their simplified Part representation  Go to Simulation Geometry Tab  Create Midsurfaces of both parts  Hide the 2 partsSolid Edge. Design better. © Siemens AG 2011. All Rights Reserved.Page 19 Siemens PLM Software
    • Simulation of Sheet Metal in Assembly  Create a New Study using Surface elements  Select the 2 midsurfaces to add to the study  Use the Auto Connector command with a search distance of 5mm and Glue option  The 2 midsurfaces are now connected  Use a fixed constraint with edge option and select 2 holes on both sides of the top frame  Apply a Force = 100 lbf on bottom of housing and another on the top frame  Mesh and solveSolid Edge. Design better. © Siemens AG 2011. All Rights Reserved.Page 20 Siemens PLM Software
    • Simulation of Sheet Metal in Assembly  Let’s look at the results  Animate  Max Top Plate VM stress is 17,394 psi  Max Bottom Plate VM stress is 18,917 psi  Well below Yield Stress  From previous runs  100 lbf loads yields 17,394 psi  200 lbf loads yields 34,788 psi  300 lbf loads yields 52,182 psiSolid Edge. Design better. © Siemens AG 2011. All Rights Reserved.Page 21 Siemens PLM Software
    • Introduction to Beams  Typically used for long slender components/Frames where the cross section is relatively small compared to the length  Trusses, cranes, bridges, tables  I-Beams, c-channel, T-s, Square tubing  Beam elements are 1-D linear elements  Simpler representations than shells or solid elements  Faster solve time compared to shells/solidsSolid Edge. Design better. © Siemens AG 2011. All Rights Reserved.Page 22 Siemens PLM Software
    • Standard Workflow for Beam Simulation  Open up Scaffold.asm  Go into Frame Environment  Create a new Study using Beam option  Select Frames to add to the study (this creates Beam Curves) Frames  Apply Loads/Constraints  Force = 500 lbf on top 4 curves  Constraints on bottom 4 nodes/points  Mesh = 4 and Solve Curves Beam and BCsSolid Edge. Design better. © Siemens AG 2011. All Rights Reserved. CurvesPage 23 Siemens PLM Software
    • Reviewing Beam Results  Based on 500 lb load, Max Combined Stress is 9290 psi and total displacement is .63 in  Let’s add 2 ea 200 lbf loads as shown below using xyz components  Resolve  Stress now 9455 psi Beam DiagramSolid Edge. Design better. © Siemens AG 2011. All Rights Reserved.Page 24 Siemens PLM Software
    • Conclusions  Solid Edge simulation has a robust set of tools for you to analyze your designs  Great for parts, sheet metal parts, assemblies, and frames  Integrated interface built into the Solid Edge interface  Core technologies include FEMAP and NX Nastran  For more information go to http://www.plm.automation.siemens.com/en_us/products/velocity/solidedge/ov erview/add_on_apps/simulation.shtml  Thanks and have a good day!Solid Edge. Design better. © Siemens AG 2011. All Rights Reserved.Page 25 Siemens PLM Software
    • BackupsSolid Edge. Design better. © Siemens AG 2011. All Rights Reserved.Page 26 Siemens PLM Software
    • Graphics for Product Name TreatmentsSolid Edge. Design better. © Siemens AG 2011. All Rights Reserved.Page 27 Siemens PLM Software
    • Siemens Accent Color Palette (Main Industry Automation accents boxed in white) Yellow Orange Red Green Blue Black 255/204/0 246/110/19 204/0/0 0/153/51 0/51/153 51/51/51 255/221/68 255/139/46 221/68/51 70/175/90 51/102/170 102/102/102 255/238/102 255/174/84 239/121/97 136/204/136 105/150/200 153/153/153 255/250/150 255/195/140 250/170/150 170/220/160 150/180/215 204/204/204 255/250/190 255/215/180 255/200/185 200/240/190 195/215/235 221/221/221Solid Edge. Design better. © Siemens AG 2011. All Rights Reserved.Page 28 Siemens PLM Software