DECEMBER 2019Ansys 2021 R1 HighlightsAnsys Discovery

Discovery 2021 R1 - EnhancementsCollaboration & Interop.Thermal Management(manifolds, heat exchangers,electronics cooling)Coupled fluid-structuralthermal simulation (Refine)Automated physics-awareworkflowAnsys Cloud w/ VDIReport generationDirect launch of Mech/FluentMesh transfer to MechanicalStudent editionProductivityFlow Control Devices(valves, manifolds)Improved Explore fluids accuracyEngineering-based convergenceRefine results during solveStrength & Stiffness(bolted/welded assemblies)Explore prevented contact (R2.5)Remote displacement (Refine)Frozen regions for topologyoptimization (Explore)Prevented contact for topo. opt.Liquid cooled traction inverter(Structural-fluid thermal simulation)Physics Use CasesLarge performance improvementsParameterize physics inputsQuick Scope toolControl physics legend unitsFaster and smoother result renderingVisualize min feature size (Explore)High-quality geometry transfer fromSpaceClaimResults/visibility settings stored persimulationNew monitor types & locationsExport monitor valuesInterference & Clearance toolsMany user experience updates toaccelerate workflows and improvefeedback


Fluid-Solid Thermal Simulation (Refine) Automated workflow for fluid-solidthermal simulation (CHT)‐ Fluid and solid thermal regionsautomatically defined by materials andconditions‐ Automatic definition of fluid-solidinterfaces and bonded thermal solidconnections Evaluate thermal and fluidperformance of manifolds, waterjackets and heat exchangers4Engine water jacket conjugate heattransfer, fluid velocity and fluid andsolid temperature

Fluid-Solid-Thermal Simulation (Refine) Many productivity and automation features‐ Automatic definition of physics regions‐ Automatic tree grouping of physics and interfaces‐ Review tools for fluid-solid interfaces and bondedconnectionsHover over SID icons to identify fluid and solid regionsAutomatic grouping of physics5Review fluid-solid interfaces and connections using interface review tools

Improved Accuracy for Steady-State Fluids (Explore) Enhanced Steady-State Fluids‐ Improved discretization of the fluid domainmore accurately represents wall surfaces‐ Improves accuracy of pressure drop andflow field for cases where pressure loss isprimarily due to surface friction‐ Better correlation with Refine results2020 R2(170% error)2021 R1(12% error)Largest improvements can be seen when flowsurfaces are not well aligned to grid axes (X/Y/Z)6

New Default Engineering Convergence (Refine) Engineering Convergence‐ Automatically defines convergencemonitors based on physics and conditions Monitors engineering quantities on inlets, outlets,walls and fluid-solid interfacesVelocity, mass flow, total pressure, temperatureand/or heat flux depending on condition‐ Stops solution when all engineeringquantities are stable Can define additional user defined monitors toreview convergence behavior‐ Automatically ensures engineeringquantities are stable 7Pressure drop, mass flow, heat flux, etc.

Monitor Enhancements New Fluid Monitors for Heat Flow and Heat Flux (Refine)‐ Useful for evaluating & understanding heat transferEvaluate heat balance and heat convergence with heat flow monitors8

Monitor Enhancements New option to create Monitors atdatum points (Explore)‐ Provides additional flexibility formonitoring resultsCreate datumpoints to defineresults monitors atpoint locationsVelocity monitor at centerpoint of faucet outlet9

New Results Variables New Pressure Results‐ Static Pressure and Total Pressure Static pressure (formally Pressure) is the gaugepressureTotal pressure is the gauge pressure obtainedby bringing the fluid to rest, also referred to asstagnation pressure‐ Pressure drop calculation now based ontotal pressure‐ Improves accuracy of pressure drop, andprovides more realistic pressure valuesfor high velocity applications where thedynamic pressure is significantTotal Pressure Contour Results and Monitors10

Display of Default Walls and Convection Default fluid walls and defaultconvection now display locationhighlightingEasily review locations of default convectionand default wall conditions11

Results Display During Fluid Solution (Refine) New physics setting to displayintermediate results during Refinefluids solution‐ Display velocity, pressure, temperature, etc. Provides visual feedback of fluidresults during solutionReview intermediate results velocity contour during solution12

Topology Optimization Enhancements (Explore) Optimize selected bodies‐ Enables optimization of individual partswithin an assemblySelect part(s)and visualizeprotecteddistance Include prevented contact‐ More realistic assembly interactions Highlight protected distance‐ Easily visualize protected regionsToggle clampoptimized shapePrevent bonded contacts13

Remote Displacement (Refine) Displacement condition supports remote point‐ Allows displacement conditions to be applied outside of designSlider bracket, von Mises stress resultsRemote displacement applied to a video slider bracket14

Design Variations Enhancements (Explore) Parameterize numeric inputs forphysics conditions‐ Available from the HUD and physics tree Perform design studies includingphysics and geometric variationsInvestigate pressure drop as a function of flow rate15

Resolution and Size Preview (Explore) New Fidelity options to displayResolution and Size Preview‐ Resolution displays areas that are not beingcaptured by the simulation‐ Size Preview displays the volume element sizeResolution shows areas that are not beingcaptured (red) with current Fidelity settingSize Preview display element volume element sizewith current Fidelity setting16

Improved Results Display (Explore) Improved results rendering‐ Smoother results displays Improved streamline displays‐ Streamlines transverse the entire fluiddomainStreamlines traverse entire fluid domainSmoother results contours17

Reports Generate report as htmlor MS Word document Report includes:‐‐‐‐‐‐183D image of modelAssembly structureMaterial propertiesBoundary conditionsMonitor/chart valuesConnection/contactinformation

Improved Connections to Mechanical & Fluent Direct launch ofMechanical & Fluent Export of Fluent CAS fileor Discovery Export File(for transfer toMechanical) Export sics


New QuickScope Tool Easily choose which bodiesto include or exclude from asimulation Enhanced visualizationclearly identifies bodiesincluded in the simulationNew options determine which bodies are scopedto a new simulation21

Cloud Launcher Quickly launch a remote session onthe Ansys Cloud and review previoussessions run Requires prepaid Ansys ElasticCurrency to cover cloud usage Allows users without suitablehardware to access all Discoveryworkflows Upload and download files via securetransfer22

Interactive Tutorials New interactive tutorials forTopology Optimization, SolidThermal Design Variations, andContact Setup help familiarize newusers to DiscoveryTutorials can be accessed on the home screen23

Drag and Drop Support Drag and drop .dsco, .scdoc or any othernative or neutral file directly into theDiscovery environment Files can be dragged from windows explorer,Outlook, or even a browserChoose to Insert or open a new document basedon your drag24

Many, Many Tree Refinements Drag and drop for reordering in model tree Visibility and suppression states remembered persimulation Grouping of boundary conditions by physics Modeling tools allow selecting objects in the tree Physics tree icons & tooltips provide errorinformation Ability to parameterize physics conditions Ability to edit pattern count and distance withinthe tree25

Unit Display in Legend Quickly toggle units within the legend to betterunderstand simulation results Unit modification is included for all major result types26

Monitor Data Export Monitor data to csv file Single monitor or all monitors Transient ‘detail’ data also supported27

Dynamic Assembly Conditions Assembly constraints allow users toform mates and alignments in anassembly Using assembly conditions canquickly align parts for contact orallow contact to remain whilemoving partsAssembly constraints allow models to sweepthrough a range of motion28

Geometry Parameterization Improvements Dynamically pulling or moving geometry no longer automatically allowsparameters to be created Create named selections or parameters in the Groups panelRequiring a Pull or Move dimensioned to be referenced to geometry allowsdependable parameters to be created for design point studies29

Heads-Up Display Improvements New option to move the Heads-Up Display(HUD) allows easy selection of objects whenthe HUD is obscuring the model Options to control the sizing of the HUDallow users to lock the HUD to a singlelocation or decrease the spacing from yourcursor30

Power Select and Named Selection Improvements New options to separate, add, remove, subtract andmerge named selections Hide and hide others in named selections to easilyhide faces or bodies in your assembly Added abilities in Power Select to control sizing andfiltering aid selection in DiscoveryFiltering Power Select allows quicker calculationeven on large assemblies31New ability to control Power Select values cangreatly speed defeaturing operations

Licensing Changes Floating (Flex)‐ 2021 R1 version of Discovery requires ‘Disco level2’ licenseincrement‐ Discovery Ultimate (disc ult) and Discovery Standard(disc sta) no longer work to license the Discoveryapplication‐ Any customer who renewed a Discovery Standard orUltimate license in 2020 should already have a‘disco level2’ license key‐ This is part of the Ansys license manager changes to moveto standard Flex license increments that do not require theAnsys LM Student‐ Discovery now available as free limited student edition: 32Structures/thermal: 128k nodes/elementsFluids: 512k nodes/cellsGeometry: Export limited to discovery files only. No size limits.


‐2021 R1 version of Discovery requires ‘Disco_level2’ license increment ‐Discovery Ultimate (disc_ult) and Discovery Standard (disc_sta) no longer work to license the Discovery application ‐Any customer who renewed a Discovery Standard or Ultimate license in 2020 should a