HyperMesh90培訓(xùn)

1、Copyright 2008 Altair Engineering, Inc. All rights reserved. Altair Proprietary and Confidential InformationHyperMesh Introduction: Starting HyperMesh On PC: Start Programs Altair HyperWorks Altair HyperMesh Shortcut iconsGo to hmbinRight-click hmopengl.exe create shortcutNew shortcut can be renamed

2、, drag and dropped, etc.Windows 2000, XP, Vista etc. can create shortcuts from the Start menu icons On UNIX: At the prompt, type /scripts/hm Can set up an aliasCopyright 2008 Altair Engineering, Inc. All rights reserved. Altair Proprietary and Confidential InformationHyperMesh Introduction: Starting

3、 Directory By default, HyperMesh uses the “start directory” for files Reads configuration files (hm.mac, hmmenu.set, etc.) Writes history (command.cmf) Open/save HyperMesh model, FE data, and geometry data files Start directory determined by: On PC, specified by the programs iconRight click the icon

4、Go to PropertiesGo to the Shortcut tabA path is specified for Start In: On UNIX:Start directory is the directory where you typed the command to run HyperMeshIf configuration files are not found in the start directory, HyperMesh will then look in the users “home” directoryCopyright 2008 Altair Engine

5、ering, Inc. All rights reserved. Altair Proprietary and Confidential InformationHyperMesh Introduction: The User Interface Graphics area displays the model Toolbar Gives access to commonly used tools via icons Pull Down Menu places functionality into groups, accessible via pull downs Menu Pages divi

6、des the main menu into groups based on function Main Menu contains “panels” grouped in columns Panels menu items / functions for interacting with HyperMesh Sub-panels divides panel into similar tasks related to panels main function Command Window lets the user type in and execute tcl commands Availa

7、ble through the View drop down menu (turned off by default) Tab Area contains the following tabs: Solver, Model, Utility, Include, Import, Export, Connector, Entity State, etc. Status Bar shows status of operations being performed Indicates the “current” Include file, Component Collector, and Load C

8、ollectorCopyright 2008 Altair Engineering, Inc. All rights reserved. Altair Proprietary and Confidential InformationHyperMesh Introduction: The User InterfaceTab Area: Utility Menu Model Browser Mask By Config Etc.ToolbarsPanelMenu PagesPull Down MenusGraphics AreaMain MenuStatus BarCopyright 2008 A

9、ltair Engineering, Inc. All rights reserved. Altair Proprietary and Confidential InformationHyperMesh Introduction: Online Help Help pull down HyperMesh, OptiStruct and Batch Mesher If accessed while on main menu, help will open the contents If accessed while in a panel, help will open directly to t

10、he help for that panel Types of information: How to use individual functions Notes on interfacing HyperMesh with external data types Tutorials Programming guides Organized by productCopyright 2008 Altair Engineering, Inc. All rights reserved. Altair Proprietary and Confidential InformationFile Opera

11、tions: The File Pull-down Menu Open : Loads a HyperMesh file into current session Replaces the model in current HyperMesh session Save : Saves the model in current HyperMesh session File browser prompts for directory and file name if one doesnt exist Save As : Opens file browser to specify directory

12、 and name to save current session Import : Merges / combines files with the model in the current HyperMesh session Various types of files: HyperMesh, geometry (IGES, Step, etc.), finite element data (OptiStruct, Radioss, Nastran, Abaqus, Ansys, LS-Dyna, etc.) Opens the Import browser Export : Writes

13、 data in current HyperMesh session to non-HyperMesh files types IGES, OptiStruct, Radioss, etc. Opens the Export browser allowing specification of directory and name Recent Files : A listing of HyperMesh files that have been worked on previously Loads the file and replaces the model in the current s

14、ession Recent Imports : A listing of files previously loaded into HyperMesh via ImportCopyright 2008 Altair Engineering, Inc. All rights reserved. Altair Proprietary and Confidential InformationFile Operations: Panels Many panels in HyperMesh use file operations hm file : Opens and saves HyperMesh f

15、iles import : Merges files with the current HyperMesh session export : Writes out data types other than HyperMesh files File operations within Hypermesh Most default to the start directory Can use Ctrl + C, Crtl + X, and Ctrl + V to copy, cut, and paste into the fields General terminology: Open : Lo

16、ads a file into HyperMesh replacing the current session Save : Saves the current session contents to the file name specified Import : Loads a file into HyperMesh, merging with the current contents Export : Saves data to the file name specifiedGenerally refers to file types other than a HyperMesh bin

17、ary fileCopyright 2008 Altair Engineering, Inc. All rights reserved. Altair Proprietary and Confidential InformationPanels: General Layout Panels often have sub-panels Accessed by radio buttons on the left side of the panel Panels generally work from left to right Example: Project / to plane sub-pan

18、el1) What to do:Pick a sub-panel for the function to be used2) What to do it to:Select entities that will be affected3) How to do it:Give parameters that define how the function will be executed4) Do the action:Execute the functionCopyright 2008 Altair Engineering, Inc. All rights reserved. Altair P

19、roprietary and Confidential InformationPanels: General Layout Some sub-panels are organized in columns Each column is a different method Work from top to bottom in the relevant column Example: surface edit : trim with surfs/plane sub-panel1) What to do:Pick a sub-panel for the function to be used3)

20、What to do it to:Select entities that will be affected4) How to do it:Give parameters that define how the function will be executed5) Do the action:Execute the function2) Method to use:Work in the appropriate columnCopyright 2008 Altair Engineering, Inc. All rights reserved. Altair Proprietary and C

21、onfidential InformationPanels: Overview Panels organize and control functionality Each panel focuses on a specific type of function May have sub-panels which are related to the panels focus Contain the controls needed to operate the function Shortcuts Commonly used panels can be access via the keybo

22、ard function keys (F1 F12) Act in an “interrupt mode” if you are in a panelCan return to the panel you were inSelections made in that panel are remembered Help for Panels While in a panel, accessing help provides the help for that panelCopyright 2008 Altair Engineering, Inc. All rights reserved. Alt

23、air Proprietary and Confidential InformationPanels: Basic Controls Switches Allows a choice of several options vis a pop-up menu Toggles Allows a choice between 2 options No pop-up; button label simply changes Text input fields Operate like text fields in most programs Can use Ctrl + C and Ctrl + V

24、to copy and paste between fields Double clicking on a text field that requires numbers accesses the calculatorUses “reverse notation”Example: 1 + 1 = 21 1 + instead of 1 + 1 =Copyright 2008 Altair Engineering, Inc. All rights reserved. Altair Proprietary and Confidential InformationPanels: Selection

25、 Entity selectors Control what and how entities are selected for a functionResetDeselects all entities for the selectorCyan borderIndicates the selector is active (there can only be 1 active selector)Clicking the entity type button when it is active accesses the “extended selection menu”Entity Type

26、SwitchChanges what type of entity is being selectedEntity Type ButtonShows the type of entity currently being selectedCopyright 2008 Altair Engineering, Inc. All rights reserved. Altair Proprietary and Confidential InformationPanels: Overview Select entities with a window using Shift + mouse Left mo

27、use drag select entities Right mouse drag unselect entities Left click change window shapeRectangle InsideRectangle OutsidePolygon InsidePolygon Outside Entities are selected when mouse button is releasedCopyright 2008 Altair Engineering, Inc. All rights reserved. Altair Proprietary and Confidential

28、 InformationPanels: Extended Selection Menu Click an active selector to access the extended menu selection The extended menu selection offers Methods for selecting many entities at once Tools for modifying an existing selection Save an existing selection and retrieve it in any panel Multiple extende

29、d selection methods can be used on a selection Allows you to easily select exactly what you wantCopyright 2008 Altair Engineering, Inc. All rights reserved. Altair Proprietary and Confidential InformationPanels: Direction Selection Used for input of directions or planes for a given function Planes c

30、an be selected from a vector (normal to the vector) Directions can be selected from a plane (normal to the plane)ResetDeselects the selected nodesCurrent Direction / PlaneShows a selected axis or inputs for selecting entities to define a direction / planeDirection SwitchOptions for what direction is

31、 selectedBaseSelect a node to position a selected planeEditDouble click to access and enter coordinates for N1, N2, N3 and Base.Copyright 2008 Altair Engineering, Inc. All rights reserved. Altair Proprietary and Confidential InformationPanels: Direction Selection: N1, N2, N3 N1, N2, N3 direction opt

32、ion allows nodes to be selected to define either a direction or a plane Select 2 nodes to define a direction (only N1 and N2) Select 3 nodes to define a plane (N1, N2, and N3)N1N2Plane defined by N1, N2, N3N1N2N3Direction is normal to planePositive direction is by “right hand rule”Copyright 2008 Alt

33、air Engineering, Inc. All rights reserved. Altair Proprietary and Confidential InformationPanels: Execution Action buttons Green button on right hand side of the panel Execute the (sub-)panels functionality Rapid menus Middle mouse click to execute an action button bordered in black Always the actio

34、n button at the top of the list Reduces mouse travel needed to perform functions Reject “Local undo” Resets the model to the state before the action was exectuted Not available after returning out of a panel Return Exits the panel to the menu from which the panel was accessedCopyright 2008 Altair En

35、gineering, Inc. All rights reserved. Altair Proprietary and Confidential InformationModel Organization: HyperMesh Entity Types Geometry Points Lines Surfaces Solids Connectors (used for welding) FE Model Nodes Temp Nodes (marks a node with a small circle) ElementsPointsLinesSurfacesNodesElementsTemp

36、 NodesSolidsCopyright 2008 Altair Engineering, Inc. All rights reserved. Altair Proprietary and Confidential InformationModel Organization: HyperMesh Entity Types FE Loading Loads (constraints, forces, pressures, etc.) Equations (mathematical link between nodes) Contacts Group (defines contact betwe

37、en entities) Contact Surfs (defines a list of entities that can be used as master or slave in a group)ConstraintsForcesPressuresContactSurfaceCopyright 2008 Altair Engineering, Inc. All rights reserved. Altair Proprietary and Confidential InformationModel Organization: HyperMesh Entity Types Multibo

38、dies Ellipsoids (defines a shape for rigid bodies) Mbplanes (defines a shape for rigid bodies) Mbjoints (defines the connection of 2 rigid bodies) Safety Sensors (defines a trigger to start an event) Control Volumes (defines airbags)Copyright 2008 Altair Engineering, Inc. All rights reserved. Altair

39、 Proprietary and Confidential InformationModel Organization: HyperMesh Entity Types Coordinate Entities Systems (coordinate axes) Vectors Reference Entities Sets (a simple list of a particular type of entity) Blocks (a list of entities contained within a box shape) 1D Element Cross Sections Beam Sec

40、tions (cross sectional properties for a property collector)SystemsBeam SectionVectorsCopyright 2008 Altair Engineering, Inc. All rights reserved. Altair Proprietary and Confidential InformationModel Organization: HyperMesh Entity Types Plotting Curves (X-Y data) Plots (a display of curves with axes)

41、 Output Requests Loadsteps (combinations of load collectors) Output Blocks (request output from an analysis for certain entities) Labels Titles (label for a displayed item) Tags (assigns a name to an entity)T T a a g g s sT T i i t t l l e e s sPlot with a CurveCopyright 2008 Altair Engineering, Inc

42、. All rights reserved. Altair Proprietary and Confidential InformationModel Organization: HyperMesh Entity Types Morphing Handles controls model shape during morphing Domains divides a model into regions (for domain based morphing) Morph volume A cube shaped volume that morphs all entities that are

43、located inside the shape (for volume based morphing) Morph constraints Control the motion of nodes during morphing Symmetries forces regions to be morphed symmetrically Shapes model state during morphing saved for retrieval at a later pointSymmetriesHandlesDomainsMorph VolumeCopyright 2008 Altair En

44、gineering, Inc. All rights reserved. Altair Proprietary and Confidential InformationModel Organization: HyperMesh Entity Types Optimization Designvars Variables that are changed during optimization (ex: thickness) Optiresponses Values being measured (ex: von Mises stress) Objectives Responses to max

45、imize/minimize (ex: minimize weight) Dobjrefs Objective reference response for minmax/maxmin optimization (ex: minimize maximum von Mises stress) Opticonstraints Limitations (ex: von Mises stress LoadsCompsLoadsLoadsCompsElemsConnectorsFind & displays entities attached to the displayed entities of t

46、he latter typeCopyright 2008 Altair Engineering, Inc. All rights reserved. Altair Proprietary and Confidential InformationBatch Meshing: Introduction Performs geometry cleanup and automeshing in a batch mode Can dramatically improve productivity since there is minimal user interaction (especially fo

47、r large assemblies) Uses criteria and parameter files to determine how the parts should be meshed Can mesh multiple files in the same runCopyright 2008 Altair Engineering, Inc. All rights reserved. Altair Proprietary and Confidential InformationBatch Meshing: Process & Required Input1.Create / speci

48、fy Configurations Combination of element criteria and geometric parametersElement criteria are element quality requirementsGeometric parameters are other requirements (element type, removal of pinholes, removal of fillets, etc.) Criteria and parameters can be edited with the Criteria and Parameters

49、Files EditorCopyright 2008 Altair Engineering, Inc. All rights reserved. Altair Proprietary and Confidential InformationBatch Meshing: Process & Required Input2.Register and specify User Procedures (optional) Custom TCL scripts (macros) created by the user Performs additional operations on models du

50、ring the batch run Pre Run and Post Run options can specify procedures performed before or after the run Can specify when the procedure should be performed during the run Pre-geometry load as soon as batch mesher is invokedPre-batch mesh just before loaded geometry is meshedPost-batch mesh after mes

51、hing is finished3.Set up the Batch Mesh job Specify a directory where geometry files are located Select geometry files from the directory Select a configuration to use for the mesh type for each file Specify any user procedures to be performed on each part Specify a directory where the meshed files

52、will be located Run the batch mesh jobCopyright 2008 Altair Engineering, Inc. All rights reserved. Altair Proprietary and Confidential InformationBatch Meshing: Process & Required Input4.Monitor the Run Status of the job Use the Run Status tab to keep track of all your submitted jobs Use Load Mesh t

53、o open a selected file in a new HyperMesh session to view the resulting meshCopyright 2008 Altair Engineering, Inc. All rights reserved. Altair Proprietary and Confidential InformationAnalysis Setup: What is it? Definition of all information for an analysis besides the mesh Specification of solver t

54、o be used Creation materials, properties, etc. Assignment of a solver specific format to HyperMesh entities Creation boundary conditions (constraints, loads, contacts, etc.) Definition of other required information (solution requests, general run parameters, etc.)Copyright 2008 Altair Engineering, I

55、nc. All rights reserved. Altair Proprietary and Confidential InformationAnalysis Setup: HyperMesh Capabilities HM is a“solver neutral” pre-processor Works with many different solvers Can convert between supported solvers Capable of assembly from input files of different solvers Can be customized to

56、support other solver codes Can set up many types of analysis Structural (Stress, NVH, Durability, Non-Linear Structural)Radioss (Linear), Abaqus, Nastran, Ansys, Marc, nSOFT Manufacturing (Flow / Mold-Filling, Extrusion)Moldflow, CMold, HyperExtrude Safety (Impact / Crash, Occupant Safety)Dyna, Pamc

57、rash, Radioss, Madymo Optimization (Topology, Topography, Shape, Size / Gauge)OptiStruct, NastranCopyright 2008 Altair Engineering, Inc. All rights reserved. Altair Proprietary and Confidential InformationSolver Formats: Interacting with Solvers HyperMesh interacts with many solvers Each solver has

58、its own unique formats, terminology, etc. Example: compare nodes and elements in Abaqus and OptiStruct / Nastran3 nodes2 quad elementsFormat / structure is obviously different*NODE 1, 0.0 , 1.0 , 0.0 2, 0.0 , 0.0 , 0.0 3, 1.0 , 0.0 , 0.0 *ELEMENT,TYPE=S4,ELSET=part_1 1, 1, 2, 3, 4 2, 3, 4, 5, 6GRID

59、1 0.0 1.0 0.0 GRID 2 0.0 0.0 0.0 GRID 3 1.0 0.0 0.0 CQUAD4 1 1 1 2 3 4 CQUAD4 2 1 3 4 5 6 Radios (Linear)AbaqusCopyright 2008 Altair Engineering, Inc. All rights reserved. Altair Proprietary and Confidential InformationSolver Formats: HyperMesh “Templates” HyperMesh can interact with different solve

60、rs by using “templates” The selected template tells HyperMesh what solver the model is for The template also tells HyperMesh how entities are formatted for that solverEach entity may have several available formats for that solverEach format has fields that make up its definitionThese fields may need