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1、Icepak Basic Training,Training schedule Day 1,Training schedule Day 2,Training schedule Day 3,Overview,Fluent Inc.mission is to provide flow and thermal analysis software and services that give our customers a significant competitive advantage by dramatically improving their designs and design proce
2、sses,Fluent Inc.Woldwide,FLUENT 6General purpose finite volume based CFD package suitable for incompressible/compressible and laminar/turbulent flows,including reacting flows and multiphase flowsFIDAPGeneral purpose finite element based CFD package suitable for incompressible laminar/turbulent flows
3、 involving Newtonian/Non-Newtonian fluids,free surfaces and fluid-structure interactionPOLYFLOWFinite element based CFD package suitable for modeling highly viscous flows(as in rheology)and surface flowsMixSimSpecialized CFD software for modeling mixing processesIcepakSpecialized CFD software design
4、ed for thermal management of electronic packagesAirpakSpecialized CFD software designed for thermal management of electronic packages,CFD softwares from Fluent Inc.,Icepak is an object-based modeling softwareIt allows you to build your model from:primitive objects such as blocks,plates,fans,vents,re
5、sistances,etc.,orMacros such as IC packages,PCBs,radial heat sinks,detailed fan trays,etc.,Icepak:Object-based Software,Steady/transient problemsLaminar/turbulent flowsForced/natural/mixed convectionMulti-fluid problemsInternal/external flowsConjugate heat transferRadiation heat transferFixed/moving
6、/symmetry B.C.sTemperature dependent properties,Icepaks capabilities,Icepaks capabilities,Powerful grid generator capable ofUnstructured conformal meshStructured meshNon-conformal unstructured mesh,Mixed units User defined library of assemblies File imports from MCAD and ECAD packages Direct ProE-Ic
7、epak interface Advanced post-processing and reporting,Solution features such asParameterizationParallel processingGrid-to-grid interpolationZoom-in-modeling,GETTING STARTED,Topics,How to start Icepak Icepak Graphic User Interface(GUI)Starting a new project Opening an existing project Icepak file str
8、ucture job,model&problem files List of Icepak menus,Starting Icepak,Windows:Use the“Icepak4.0”desktop shortcut,or Click on Start/Programs/Fluent.Inc/Icepak4.0,UNIX:Type icepak from system prompt,New Icepak session,Icepak starts Project selection window opens by default,Prompts user to start:-Existin
9、g Icepak project or New Icepak project or Quit Icepak Unpack an Icepak job from a compressed*.tzr file,Opening a new project,Selecting New in the New/Existing window opens the New project window,Opening an existing project,Selecting Existing in the New/Existing window opens the Open project window,E
10、very Icepak project is a Directory containing project filesProject name=Directory nameFiles are related to:Problem setup-JOB,MODEL&PROBLEM filesGridSolutionPost-processing/Reporting Job,Model and Problem files are needed to be able to fully reproduce the project,Icepak file structure,Unpacking/Packi
11、ng a project,Selecting Unpack in the New/Existing window opens the File selection window,Icepak project directory can be compressed to*.tzr formatOnly the job,model and problem files will get compressedTo compress go to FilePackTo uncompress the compressed project go to FileUnpack,List of Icepak men
12、us,The Icepak interface contains the following menus:File Open new/existing projects,delete files,CAD imports,pack/unpack projects,save/save asEdit Edit current object/group,alignment,undo/redoView Visibility of objects,geometric measurementsOrient Orientation,zoom-in,user defined viewsModel Grid ge
13、neration,CAD import,Radiation,PrioritiesTree Control over a model treeMacros Add new macro to the model from the macro librarySolve Solve,solution monitor,define trials,define reportsPost Graphic results,unit definitions for post processingReport Textual resultsWindows List of windows that are openH
14、elp,Icepak Interface,Topics,Icepak graphic user interface Introduction to Icepak objects Model toolbar Shortcuts toolbar Model tree Mouse functions Model orientationInteractive editing tools,Icepak GUI map,Icepak GUI,Icepak GUI:Definitions,Project label:Name and solution version of the project loade
15、d into IcepakMain menu:All Icepak functions can be accessed with pull down menusModel toolbar:Icons to-create objects,edit objects,alignment featuresShortcuts toolbar:Icons for commonly used functionsGraphic display area(GDA):Image of the model is displayedMessages window:Icepak“talks”to the user he
16、re through text messages,examples-current state of Icepak,mesh quality,some post process reportsCurrent object geometry(COG):Geometric information of selected objectModel tree:List of all objects that constitute the project model,libraries,settings for problem,solver and general optionsGlobal coordi
17、nate axes(Axes):Shows the orientation of the model in GDANOTE:Place the mouse on an icon for a bubble message description of the icon,Introduction to Icepak objects,Icepak Objects are entities used to build your model,Examples of objects in a model.The Object Types are shown in bold.,Model toolbar:C
18、reate objects,Icepak has two Object Types:Simple and Composite Every Type has a unique icon in the upper half of Model Toolbar,Icepak object type icons,To create a new object,click the corresponding object type icon,Model toolbar:Edit and align functions,Bottom half of Model Toolbar contains editing
19、 and aligning icons,Icepak edit&align icons,To create a new object,click the corresponding object type icon,Shortcuts Toolbar,Flip view,Model Tree:Introduction,The top section of the model tree contains configuration parameters Problem definition Solver settings Options graphics,units,etc.,The botto
20、m section contains Trash bin The inactive bin The physical model branch containing all objects that make up the model,The mid-section contains Default and user defined libraries Access to groups collection of objects put together as a unit Postprocessed graphic objects Solution monitor points,The bo
21、ttom section is described in the following pages.The other sections are covered later in more detail,Model Tree:Physical model branch,If the Model branch is closed,only the cabinet(CFD domain)is visible,toggle for opening or closing a branch,If the Model branch is open but no object is selected,all
22、objects are visible in grey,Model Tree:Physical model branch,If any object is selected(blue highlight),all objects are visible in default(or specified)colors.The selected object is drawn in bold lines.An assembly type object,like the“Power-Supply”in this example,is a collection of objects combined i
23、nto a single compound object,Assembly sub-branches are expandable like the Model branchWhen an assemblys component is selected,the assembly is visible in default object colors but the rest of the model is shown in gray,Model Tree:Inactive&trash branches,From the tree,select one object with the mouse
24、 or multiple objects using Ctrl key+mouse Drag the objects to the Inactive branch or the Trash branch Objects put into the Inactive branch are removed from the model but shelved into the Inactive branch;drag back into the Model branch to make the object active again Empty Trash to permanently delete
25、 model objects;post objects are deleted when dragges into trash,Mouse Functions,Mouse Functions:Mouse bindings,In the Model Tree,expand the Options branch to access the Mouse Bindings,Double click to open the Mouse Bindings and make necessary changes,Model Orientation:Menu and icons,Orient pull down
26、 menu with 14 options,Model Orientation:Fixed axes views,Meaning of orient positive x:Orient such that the positive X axis points normally into the screen;similarly,orient negative X and so on.,Orient positive X,Isometric View,Orient negative Y,Orient positive Z,Model Orientation:Using the mouse,The
27、 orientation shown in the figure above was obtained by mouse movements(left:rotation,middle:lateral,right:zoom-in),Model Orientation:Zoom/un-zoom,Zoom in:drag a box around the region/objects that need to be zoomed into,Scale to fit:resizes the view such that the cabinet completely fits in the graphi
28、cs display area;current orientation is retained,Home position:is equvalent to orient negative z and scale to fit;is the default view when a new model is started,Scale to Fit,Model Orientation:Other options,Reverse orientation-horizontally flips the orientation(mirror image)Nearest axis-changes to th
29、e fixed orientation closest to current orientation;useful when orientation is changed using the mouse,Save user view saves current orientation under the specified name in the query boxClear user views deletes all user views,Nearest Axis,Model Orientation:Shortcut icons,Home position,Zoom in,Scale to
30、 fit,Single display,Partitioned display,Display/hide object names,Interactive tools:View menu,View menu contains several useful tools for:Geometric measurementsView optionsGeometric measurements:Location display point*coords in messages windowDistance display dx,dy,dz and distance between selected p
31、oints*in the messages windowAngle display angle between vectors defined by 3 points*in the messages windowMarkers graphic version of Location functionRubber bands graphic version of distance function,*Points should be selected with the mouse following screen instructions,Rubber band,Interactive tool
32、s:View menu,View options,Interactive tools:View menu,View options(continued),Tracks mouse,“Snap to”grid(not mesh),Interactive tools:Interactive editing form,Recap mouse functions for translating and resizing objects This form controls how these movements are applied Motion allowed movements only in
33、checked directions Restrict to cabinet Objects cannot penetrate each other Move group with objects,Default mouse translate/resize has continuous movement instead of“grid-digitized”Specify“snap to”grid size for X grid/Y grid/Z grid mouse movement will now be“grid-digitized”Can snap to grid if the gri
34、d is made visible through main menu“ViewDisplayVisible grid”New object size factor ratio of new object dimension to corresponding cabinet dimension,default is 0.2;new object will be centered,Model Building:Geometry,Topics,Object Shapes in Icepak Editing functions Alignment functions Units,Shapes in
35、Icepak:Shapes of simple objects,3D shapes Prism Cylinder:uniform/non-uniform Polygon:uniform/non-uniform Blocks can be Ellipsoid/Elliptical Cylinder,2D shapes Rectangular Circular Inclined rectangular Polygon,Plates,Openings,Grilles,Walls,Fans,Sources,Blocks,Resistances,Heat Exch.,Shapes in Icepak:A
36、ltering geometries of objects,The shape,position,size and orientation of an object may be modified:Using the Current Object Geometry(COG)window located at the bottom right hand corner of the GUI Using the current objects edit form/geometry sectionGeometry of an object includes:Shape,Position and Siz
37、e Local Co-ordinates Orientation if 2-D,Shapes in Icepak:Object geometry window,Current objects geometric details are displayed in the bottom right hand corner of the GUI Click on Apply or Enter the keyboard after making changes,Current object,Shapes in Icepak:Object geometry window,Name,Group and S
38、hape,Coordinates may be entered by start/end or start/length,Options to:Apply changes,Reset to defaults,or Edit object form,Shapes in Icepak:Options for 2D shapes,Rectangular,Inclined,Can also be defined by start/angle,Change angle direction,Position defined by co-ordinates of two points on the diag
39、onal,Shapes in Icepak:Options for 2D shapes,Polygonal,Circular,Options to increase/decrease number of vertices,Select vertex location with mouse,Select options for mouse,Fans can also have an inner radius for the hub,Shapes in Icepak:Options for 3D shapes-Prisms,Regular Prism,Polygons-Uniform(high a
40、nd low face identical),Polygons-Non-Uniform(high and low face not identical),Top and bottom faces can have different number of vertices-but must be parallel,Same vertex options as for 2D-polygonal objects,Shapes in Icepak:Options for 3D shapes-cylinders,Uniform Cylinder-no inner radius,Uniform Cylin
41、der-with inner radius,Non-Uniform Cylinder-with inner radii,Inner Radius set to model annulus,Outer and Inner Radii on top and bottom of cylinder can be different,Object Modification,Editing Objects,Opens up the Edit panel for the selected object,Places the selected object(s)in the trash can,Opens u
42、p the Move panel for the selected object(s)From the move panel,you can Scale Mirror Rotate Translate,Opens up the Copy panel for the selected object(s)You can group the copies,and also have same functionality as move available to you,Object Alignment:Icons,Align Face-1 Dimension aligned Plane of Fac
43、e MatchedAlign Edge-2 Dimensions aligned Planes of Edge MatchedAlign Vertex-3 Dimensions aligned Centre Object-Based on CentroidCentre Object-Based on Face CentreMatch Face-2 Dimensions MatchedMatch Edge-1 Dimension Matched,There are two options Left Click on IconObject gets re-sized during alignmen
44、t Right Click on IconObject size is preserved object is moved during alignment Can also use edit/alignment tools instead of icons,Object Alignment:Icons,Object Alignment:Icons,The alignment tools all work in the same way Click on Icon or select from menu Choose the face/edge/vertex that you want to
45、change with the LEFT MOUSE BUTTON The selection will be highlighted-if the wrong one was selected,then just click again and Icepak will select the next face/edge/vertex Once you have the correct selection use MIDDLE MOUSE BUTTON Then select the face/edge/vertex with which to align/match using the LE
46、FT MOUSE BUTTON Upon correct selection accept with the MIDDLE MOUSE BUTTON Instructions for the above steps are given in red in the bottom left hand corner of the display area At any point you can cancel the operation with the RIGHT MOUSE BUTTON,Object Alignment:Coordinate snapping,Using Co-ordinate
47、 alignment:Next to the co-ordinates of the geometry in the COG there are options to snap that co-ordinate to an existing point on an edge in the model.Co-ordinates can be:Start(xS,yS,zS)End(xE,yE,zE)Length(xL,yL,zL)Centre(xC,yC,zC)Vertex,To Use:Click on the“Orange”panel for a co-ordinate,and then wi
48、th the mouse click on a point in the model.Icepak will then set that co-ordinate value to the position selected.,Editing Objects:the Edit Form,The current objects edit form can be opened in the following waysDouble clicking the object in the treeRight clicking the object in the tree and selecting“Ed
49、it object”from the pull down menuSelect the object in the tree and click the“Open edit form”icon in the vertical Model ToolbarFrom the main menu,picking“Edit/Current object/Edit”Using the keyboard short-cut ctrl+lowercase e,4 Sub-forms,Options Common to All Sub-Forms,Editing Objects:Geometry Sub-For
50、m,Contains all geometric information:Shape Local Co-ordinate system(if any)Orientation Location,Create new local origin,Check local origin,Edit a local origin,Select local origin from existing ones,Pull Down Menu,Editing Objects:Properties Sub-Form,Contains all flow/thermal properties:,Object type-e
