內(nèi)容課件msc.patran courses課程

1、RESULTSRESULTS INTRODUCTIONThe Results post processingmodule can be used to processscalar, vector, and tensor resultsinto a variety of graphical displaytypesResults can come from many analysis types:Structural, thermal, cfd, electromagneticStatic or dynamicThe results can be read throughStandard tra

2、nslators, e.g. analysis menu for MSC.NastranMSC.Patran 2.5 .dis, .els, or .nod formats in File/ImportRead into database via PCLRESULTS INTRODUCTION (CONTINUED)Results from various analysis runs can be stored in the same database under different result casesStaticTransient - each time step = 1 Result

3、 CaseNon-linear - each load increment = 1 Results CaseMore than one load case can be operated on simultaneouslyResults can be filtered based on attributes or numerical valuesRESULTS INTRODUCTION (CONTINUED)Results can be displayed inany coordinate systemNew scalar results may bederived by a user-def

4、ined PCLexpression or PCL functionAny plot can be saved in a fileand retrieved for future useTHE RESULTS MAIN FORMProcedureSet Action to Create and select type of plot (the Object)Select the Result Case(s) and the result typeApply to add the plot to the displayPlots can be animated by clicking the A

5、nimate button when the plot is createdRESULT PLOT TYPESQuick Plot - quick and “easy” access for fringe, deformed, or combined plot or animationDeformation plot - more options, e.g. Target EntitiesRESULT PLOT TYPES (CONTINUED)Fringe plot - on the deformed or undeformed modelElement Fill plot - One co

6、lor per element on the deformed or undeformed modelVector PlotsAnimationRESULT PLOT TYPES(CONTINUED)Vector (Marker) plots -At Nodes or Element CentroidsTensor (Marker) plots - Displayed in Elemental or Principal Coordinate SystemAnimation - Deformed and/or Fringe Plots can be animated (2D - 3D) Text

7、 report writer - create formatted text for analysis reportsRESULT PLOT TYPES (CONCLUDED)XY Plot (Graph)-Results vs. Global VariableResults vs. Another ResultResult vs. DistanceResult along any user-specified Geometric EntityGlobal Variable vs. Global VariableResult with respect to a Local SystemResu

8、lt along an Arbitrary PathQUICK PLOT FORMQuick Plot result display form has been designed to modate easy access to basic post-processing features such as:Fringe plotsDeformed plotsCombined fringe and deformation plotsQuick animationSimple Deformed, Fringe, or combination plots can be created and ani

9、mated with very few menu selections:Select Result CaseSelect Fringe ResultSelect Deformation ResultClick on Animation (if desired)ApplyQUICK PLOT ANIMATION FORMDeformed Shape (static or “modal”) and/or fringe animation can be performedThe defaults are to animate both fringes and deformations with th

10、e modal method in 2D, 15 framesYou can change any of these options through the Animation Options formModal animation creates frames by multiplying the results from -1.0 to +1.0.Ramped goes from 0 to +1.02D uses in plane animation, 3D lets you rotate the model with the middle mouse button while the m

11、odel is still animatingThe more frames you select, the smoother the animation, but more computer resources are usedRESULTS POST-PROCESSING PROCEDURESet Action to CreateSelect the plot type (Object)DeformationFringeSelect the result case(s)Static, modal, transient,.Select the result typeDeformation,

12、stress, strain, .Modify Target Entities, Display Attributes, Plot and Animation Options as desiredTarget EntitiesButtonTARGET ENTITIES FORMResults in the Selected Result Case(s) can be plotted on targeted entities based on:Current Viewport (default)Element and Node IdsGroupsMaterials, Properties, or

13、 Element typesTARGET ENTITIES FORM (CONTINUED)Depending on the Plot Type, additionalDisplay Controls include:NodesElementsFaces/Free FacesEdges/Free EdgesCornersElement CentroidsElement NodesElement All DataRemember that lists can also be createdand used with groups to act as user-defined filters (i

14、.e. Elements with 10,000 Von Mises Stress 20,000)Display Attributes ButtonDISPLAY ATTRIBUTES FORMThe Display Attributes form will change to match the plot type and results entity selectedParameters are filtered such that only those appropriate for the currently selected plot type are displayedPlot O

15、ptions ButtonPLOT OPTIONS FORMThe Plot Options Form is used to controlCoordinate TransformationsScale FactorValue filteringAveraging Domain and MethodExtrapolation methodUse a PCL ExpressionRe-loading of an existing PlotSaving Current Plot for Future UseScale Factor = 0.1Scale Factor = 0.2DEFORMED S

16、HAPE PLOTSDeformed and Undeformed features (e.g. Color, Render Style, Line Style are changed in this form)The scale is set based on either Model size (Scale) or actual deformation (True Scale)Undeformed shape can be Toggled OffMARKER DISPLAY ATTRIBUTESThe Vector length and style can be changed in th

17、e Display Attributes formCREATE RESULTS FORMThe Create Results form is used to select, manipulate, and combine resultsCreate derived results based on Maxima, Minima, summed values, averaged values, user-defined PCL expression, or linear combination (Combine) of any set of results or combined results

18、Demonstration Nodal or Elemental Results (Demo) may be createdX-Y GRAPH PLOTTINGSelect Results CasesSelect the Y - Axis Result and Quantity, and X - Axis EntityClick on Target Entities Icon and select entities for which the XY-Plot is to be generatedClick on “Apply” to generate the XY PlotTEXT REPOR

19、T WRITERWrites out requested results information to the MSC.Patran parent window (Preview option) or to a fileReport Type options:Full - results and all related informationSummary - max/min and associated Nodes or ElementsData onlyResults, Target Entities and Plot Options are very similar to those o

20、f other Plot TypesReport Type Options:Available Data Includes:TEXT REPORT WRITER (CONTINUED)Loadcase, Subcase, Layer IDX, Y, Z Location of Integration Point or NodeStress ComponentsStress InvariantsMagnitude of DeformationResult CIDMaterial Name and IDX, Y, Z Components of DeformationProperty Name a

21、nd IDAnalysis CID of NodeTEXT REPORT WRITER (CONTINUED)Display Attributes formFormatReport format and column ordering can be adjusted to the users needsPage Title, Header and Footer can be specifiedReal and Integer Number format can be specifiedStep 1:Create a range (one for each viewport)Step 2:Sel

22、ect Data MethodStep 3:Select ThresholdingStep 4:Calculate RangeStep 5:ApplyStep 6:Assign the range to the current viewport (OR use Viewport/Modify/ Change Range)CREATING A RANGETo create a new range, you can go to Display Attributes -Range - Define Range, or Pull down Display/Ranges.CREATING A RANGE

23、 (CONTINUED)DATA METHODSemi-AutoContiguous subranges starting from and ending at user-supplied values (or Use Fit Results)Semi-Auto (Start/Delta)Contiguous sub-ranges starting from a value then incrementing (or decrementing) by a delta valueFrom:Discrete sub-range starting from a valueFrom/To:Discre

24、te sub-range starting from a value extending to a value (can leave holes)Middle:Contiguous sub-ranges defined by their mean valueCREATING A RANGE (CONCLUDED)THRESHOLDINGFor either of the semi-auto data methods, you may also supply threshold value(s)Select bounding values of thresholdAll results betw

25、een Startand/or End of results andstart of threshold will becolored uniformlyEnd threshold value 1 Results Cases have been selected)Modal - applies a Sine Function (-1 Sine 1) to the tools response Ramp - allows animation of a tools response by multiplying it by a range of Scale Factors from 0 to 1A

26、NIMATION CONTROLOnce the animation has started, you can pause and change the “Animation Attributes”Animation Method:Cycle: Animation cycles in a circular manner (frame 1,2,.,Max,1,2,.,Max etc.)Bounce: Animation cycles from Max to Min (frame 1,2,.,Max,Max-1, .etc.)Once the animation is paused, it can

27、 be advanced forward one frame at a time and the Start/End frames may be changedTo terminate the animation tool, select the Stop Animation buttonOn the Select Results FormOn the Animation Options Form1:Results Cases and a Result type3:Select Animation Options Button2:Click on Animate4:Set “Animate B

28、y” to Global Variables5:Select the Number of Frames6:Hit ApplySETTING UP NON-QUICK PLOT ANIMATIONProcedure for setting up a Transient Animation by Global VariableSETTING UP NON-QUICK PLOT ANIMATION(CONTINUED)Options for setting up a Modal Animation of a Single Results CaseSet up the Animation as you

29、 create the PlotCreate the non-Animation Plot first, then Animate it On the Select Results Form On the Animation Options FormSet Action to Create and Object to the desired Plot TypeSelect Animation Options ButtonSelect a single Result Case and Result typeClick on AnimateMake sure “Animate By” is set

30、 to “Modal”Select the Number of FramesHit Apply2314SETTING UP NON-QUICK PLOT ANIMATIONProcedure to set up the Animation as you create the plot:On the Select Results Form1:Create the Non-Animation Plot as usual2:Set Action: Create and Object: Animationa) Select the Plot you wish to animateb) Select t

31、he Number of Framesc) Click on “Update Tool”3:To animate more than 1 plot repeat steps 2a-c for each one4:When all plots have been animated hit ApplySETTING UP NON-QUICK PLOT ANIMATIONProcedure for Animating an Existing PlotSelect SubcasesSELECT RESULTS FORMWhen multiple result cases are in the data

32、base you can cursor select one or more from the Unabbreviated Select Result Case(s) listClick on one to select itSelect a continuously listed set using click and dragSelect a discontinuous set by Ctrl- clickingView or Select SubcasesPosition selection for beam or shell layered resultsThe particular

33、result value component or derived quantity plotted can be selected from Quantity pull-down menu or from “Show As”SELECT RESULTS FORM (CONCLUDED)Result Values at a node are averaged if the contributing elements are of the same Type, Material or Element Property; or part of the defined Target Entity s

34、etFRINGE PLOT OPTIONSAveraging Definitionprovides different optionsto determine the resultvalues at nodes sharedby adjacent elements DomainAll Entities: All result values at a node are averaged producing a single valueNoneNo Averaging at nodeFRINGE PLOT OPTIONS (CONTINUED)Averaging Definition option

35、s - (Continued)Method:When both averaging and derivation of a new result invariant (such as determining von Mises stress from the stress tensor) are to be performed the user has the following options:Derive/Average:calculates the derived result invariant at the integration points, extrapolates that

36、to the nodes, then plots the averageAverage/Derive:Extrapolates the component values to the nodes, averages them, then calculates the derived result using the average nodal component valuesFRINGE PLOT OPTIONS (CONTINUED) Averaging Definition options - (Concluded) MethodDifference:Plots the magnitude of the absolute difference between the largest and s