VisualMesh_v35_TrainingPresentation_June2007_SKH

1、Copyright ESI Group, 2007. All rights reserved. Author(s): SKH, ESI India VTS-3.5-ME-BP 1 October 2006 Visual-Mesh v3.5 Complete Meshing Tool Visual-Mesh v3.5 ESI Group Learning Solutions 2 Copyright ESI Group, 2007. All rights reserved. Copyright Visual-Mesh v3.5 ESI Group Learning Solutions 3 Copy

2、right ESI Group, 2007. All rights reserved. Outline What is Visual-Mesh? File Support Curve Surface Node Functionalities 1D Mesh 2D Mesh Topology and Batch Mesh 3D Mesh Mesh Validate Visual-Mesh v3.5 ESI Group Learning Solutions 4 Copyright ESI Group, 2007. All rights reserved. What is Visual-Mesh?

3、A complete meshing tool which supports CAD Import, 1D, 2D and 3D Meshing and Editing features Copyright ESI Group, 2007. All rights reserved. Author(s): SKH, ESI India VTS-3.5-ME-BP 5 October 2006 Visual-Mesh v3.5 File Support Visual-Mesh v3.5 ESI Group Learning Solutions 6 Copyright ESI Group, 2007

4、. All rights reserved. Outline What is Visual-Mesh? File Support Curve Surface Node Functionalities 1D Mesh 2D Mesh Topology and Batch Mesh 3D Mesh Mesh Validate Visual-Mesh v3.5 ESI Group Learning Solutions 7 Copyright ESI Group, 2007. All rights reserved. File Support: Import IGES CATIA V4 Version

5、s 4.1.x to 4.2.4 are supported Files with extensions *.model , *.dlv and *.exp are supported CATIA V5 Release versions 5, 6, 7, 8, 9, 10, 11, 12, 13 and 14 are supported Files with extensions *.CATPart and *.CATProduct are supported PARASOLID Version 1 to 15 are supported Files with extensions *.x_t

6、 ,*.x_b , *.xmt_txt,*.xmt_bin are supported UG V16 to NX2 is supported Files with extensions *.prt are supported If part files are loaded, assembly position information will not be loaded. If Assembly file is loaded, all its available components will be read. Visual-Mesh v3.5 ESI Group Learning Solu

7、tions 8 Copyright ESI Group, 2007. All rights reserved. File Support: Import PAM-CRASH LS-DYNA NASTRAN SYSTUS ASCII format is supported. Only the structural mesh entities are supported and no solver-specific information is supported Entities supported while importing and exporting ASCII file are Nod

8、es, Elements, Groups, Systus Material Index, Material Id and Part Id Element of type 0, 1, 2, 3, 4, 5 and 6 only are accepted while importing ASCII file (DTNN is iform of element, where T is element type) While importing ASCII file, only material Id and Systus material index are read from the materi

9、al information data If higher order elements are present while importing they are converted to basic elements and can be exported as basic elements only VDB: Vista native format. Files saved in this format can be restored back with all the details. Saving performance will be the best in this format

10、Visual-Mesh v3.5 ESI Group Learning Solutions 9 Copyright ESI Group, 2007. All rights reserved. File Support: Import STL Only ASCII format is supported Take latest panel dump Entities supported while exporting STL file are: CAD Only: Exports only tessellated representation of CAD entities present in

11、 the model FE Only: Exports only FE entities present in the model All: Exports both tessellated CAD and FE entities present in the model PAM-MEDYSA CAEDS PATRAN MOSAIC STRIM100 ANSYS SIMEX RADIOSS MADYMO Visual-Mesh v3.5 ESI Group Learning Solutions 10 Copyright ESI Group, 2007. All rights reserved.

12、 File Support: Export PAM-CRASH NASTRAN DYNA IGES STL RADIOSS SYSTUS Pro-Cast Surface mesh (.sm) Pro-Cast Volume mesh (.mesh) MADYMO VDB (Save As option) Copyright ESI Group, 2007. All rights reserved. Author(s): SKH, ESI India VTS-3.5-ME-BP 11 October 2006 Visual-Mesh v3.5 Curve Functionalities Vis

13、ual-Mesh v3.5 ESI Group Learning Solutions 12 Copyright ESI Group, 2007. All rights reserved. CAD Functionalities What is Visual-Mesh? File Support Curve Surface Node Functionalities 1D Mesh 2D Mesh Topology and Batch Mesh 3D Mesh Mesh Validate Visual-Mesh v3.5 ESI Group Learning Solutions 13 Copyri

14、ght ESI Group, 2007. All rights reserved. Curve Functionalities Sketch Curve Circle/Arc Creation Curve Trim/Split Curve Drop Extract Curve Curve at Intersection Curve Morphing Curve Trim/Split Curve Merge Curve Fillet Curve Extend Visual-Mesh v3.5 ESI Group Learning Solutions 14 Copyright ESI Group,

15、 2007. All rights reserved. Curve Functionalities: Sketch Curve Visual-Mesh v3.5 ESI Group Learning Solutions 15 Copyright ESI Group, 2007. All rights reserved. Curve Functionalities: Sketch Curve - Point Definition Point Definition panel is posted in VM to define point in many functionalities Doubl

16、e-click on selected point to modify selected point location Visual-Mesh v3.5 ESI Group Learning Solutions 16 Copyright ESI Group, 2007. All rights reserved. Curve Functionalities: Circle/Arc Creation Creation method Circle or Arc Type selection 3 point circle Circle creation with axis definition Con

17、centric circle Axis Definition panel Visual-Mesh v3.5 ESI Group Learning Solutions 17 Copyright ESI Group, 2007. All rights reserved. Curve Functionalities: Arc Creation Visual-Mesh v3.5 ESI Group Learning Solutions 18 Copyright ESI Group, 2007. All rights reserved. Curve Functionalities: Curve Extr

18、act Boundary curves of surfaces can be extracted Curves can be generated on the free boundaries of 2D mesh Option to create smooth or linear type curve is provided Curve extraction at surface boundaries Visual-Mesh v3.5 ESI Group Learning Solutions 19 Copyright ESI Group, 2007. All rights reserved.

19、Curve Functionalities: Curve by Intersection Curves can be created at the intersection of combinations of surface, plane and mesh If surfaces are used for intersection, they can be split along the curve of intersection. This is useful while modeling symmetric parts While splitting surfaces with plan

20、e, a planar surface can be generated along the intersection plane (so that the cut area is filled) Plane of intersection Visual-Mesh v3.5 ESI Group Learning Solutions 20 Copyright ESI Group, 2007. All rights reserved. Curve Functionalities: Curve Morphing A morphed curve can be created Using a refer

21、ence curve with two new end points Using two reference curves with two new points Reference curve New morphed curve Visual-Mesh v3.5 ESI Group Learning Solutions 21 Copyright ESI Group, 2007. All rights reserved. Curve Functionalities: Curve Trim/Split Trim/Split of multiple curves with sketch curve

22、 Trim/Split of multiple curves with defined plane Visual-Mesh v3.5 ESI Group Learning Solutions 22 Copyright ESI Group, 2007. All rights reserved. Curve Functionalities: Merge Curve A series of connected curves can be merged into one curve for further modeling usage. All connected curves are merged

23、and added to a unique part with name “Merge Curves” Visual-Mesh v3.5 ESI Group Learning Solutions 23 Copyright ESI Group, 2007. All rights reserved. Curve Functionalities: Curve Fillet Curve fillet by Arc method Curve fillet by Spline method Curves can filleted by Arc method Spline method For Arc me

24、thod, we have to give radius as input In Spline method, it creates fillets automatically After filleting curves, a new curve will be added to existing model Visual-Mesh v3.5 ESI Group Learning Solutions 24 Copyright ESI Group, 2007. All rights reserved. Curve Functionalities: Curve Extend Selected c

25、urves can be extended By Interactive method Upto In Interactive method: Extension distance can given in corresponding field Edge handles can be dragged Visual-Mesh v3.5 ESI Group Learning Solutions 25 Copyright ESI Group, 2007. All rights reserved. Curve Functionalities: Curve Extend Curve can be ex

26、tended upto Linear points Curves Surfaces Plane Surface edges can be extended Source curves Extend method Before Curve ExtendAfter Curve Extend Copyright ESI Group, 2007. All rights reserved. Author(s): SKH, ESI India VTS-3.5-ME-BP 26 October 2006 Visual-Mesh v3.5 Surface Functionalities Visual-Mesh

27、 v3.5 ESI Group Learning Solutions 27 Copyright ESI Group, 2007. All rights reserved. Surface Functionalities What is Visual-Mesh? File Support Curve Surface Node Functionalities 1D Mesh 2D Mesh Topology and Batch Mesh 3D Mesh Mesh Validate Visual-Mesh v3.5 ESI Group Learning Solutions 28 Copyright

28、ESI Group, 2007. All rights reserved. Surface Sweep Surface Revolve Surface Blend Fe-Surface Flat Surface Surface Offset Surface Cleanup Surface Untrim Surface Split Surface Trim Surface Functionalities Visual-Mesh v3.5 ESI Group Learning Solutions 29 Copyright ESI Group, 2007. All rights reserved.

29、Surface Functionalities: Surface Sweep Shell Sweep surface/mesh generator Input: Linear lines defined by points Smooth curves defined by points Existing curves Propagation along: A vector Linear lines defined by points Smooth curves defined by points Existing curves Output: Mesh only Mesh and surfac

30、e Surface only Visual-Mesh v3.5 ESI Group Learning Solutions 30 Copyright ESI Group, 2007. All rights reserved. Surface Functionalities: Surface Revolve Shell revolved surface/mesh generator Input: Linear lines defined by points Smooth curves defined by points Existing curves Axis definition: 2 poin

31、ts (+ origin) Entity Normal Axis coordinates Global axis Normal to display plane Output: Mesh only Mesh and surface Surface only Visual-Mesh v3.5 ESI Group Learning Solutions 31 Copyright ESI Group, 2007. All rights reserved. Shell Blend surface/mesh generator Input 2 primary curves: Linear lines de

32、fined by points Smooth curves defined by points Existing curves And possibly secondary curves to defined non-linear curves for the 3rd and 4th sides Output: Mesh only Mesh and surface Surface only Surface Functionalities: Surface Blend Visual-Mesh v3.5 ESI Group Learning Solutions 32 Copyright ESI G

33、roup, 2007. All rights reserved. Surface Functionalities: Fe-Surface Surface representation for 2D mesh can be generated (FE Surface) Many Fe-Surfaces are created automatically for a well- connected 2D part. These surfaces are stitched automatically These Fe-Surfaces can be meshed using Topo-mesh pa

34、nel efficiently This feature is very useful while refining or coarsening an existing mesh Visual-Mesh v3.5 ESI Group Learning Solutions 33 Copyright ESI Group, 2007. All rights reserved. Surface Functionalities: Flat Surface Select the closed loop of curves and from the main Surface menu, select Fla

35、t Surface. Flat surface will be generated Flat surface can be created by using a series of curves which form a closed loop Multiple flat surfaces are created if the selected curves form many regions (closed loops) Flat surface Visual-Mesh v3.5 ESI Group Learning Solutions 34 Copyright ESI Group, 200

36、7. All rights reserved. Surface Functionalities: Surface Offset Visual-Mesh v3.5 ESI Group Learning Solutions 35 Copyright ESI Group, 2007. All rights reserved. Surface Functionalities: Surface Cleanup Visual-Mesh v3.5 ESI Group Learning Solutions 36 Copyright ESI Group, 2007. All rights reserved. S

37、urface Functionalities: Surface Untrim CAD surfaces which have been trimmed can be untrimmed: Select a surface and use Untrim from surface menu Pre-selection of surface is required No panel is provided Visual-Mesh v3.5 ESI Group Learning Solutions 37 Copyright ESI Group, 2007. All rights reserved. S

38、urface Functionalities: Surface Split Surfaces can be split by the following methods: By Smooth Points By Linear Points By Curves By Surfaces By Plane Visual-Mesh v3.5 ESI Group Learning Solutions 38 Copyright ESI Group, 2007. All rights reserved. Surface Split by Smooth points Surface Split by Line

39、ar points Surface Functionalities: Surface Split Selection of surfaces to be split Defining splitting curve Visual-Mesh v3.5 ESI Group Learning Solutions 39 Copyright ESI Group, 2007. All rights reserved. Surface split by Curves Surface Functionalities: Surface Split Surface to be split Defining spl

40、itting curve After splitting Visual-Mesh v3.5 ESI Group Learning Solutions 40 Copyright ESI Group, 2007. All rights reserved. Surface Split by Plane Selected surfaces can be split by defining plane Surface Functionalities: Surface Split Splitting plane by 2/3 Points Splitting plane by Ent.Nornal Spl

41、itting plane by Global Axis Splitting plane by View Normal Visual-Mesh v3.5 ESI Group Learning Solutions 41 Copyright ESI Group, 2007. All rights reserved. Surface Functionalities: Surface Trim Surfaces can be trimmed Define boundary curves by: Curves Smooth points Linear points Before surface trimT

42、rimmed Surface Copyright ESI Group, 2007. All rights reserved. Author(s): SKH, ESI India VTS-3.5-ME-BP 42 October 2006 Visual-Mesh v3.5 Node Functionalities Visual-Mesh v3.5 ESI Group Learning Solutions 43 Copyright ESI Group, 2007. All rights reserved. Node Functionalities What is Visual-Mesh? File

43、 Support Curve Surface Node Functionalities 1D Mesh 2D Mesh Topology and Batch Mesh 3D Mesh Mesh Validate Visual-Mesh v3.5 ESI Group Learning Solutions 44 Copyright ESI Group, 2007. All rights reserved. Node Functionalities Node menu Create Move Replace Drop Align Other Utilities Visual-Mesh v3.5 ES

44、I Group Learning Solutions 45 Copyright ESI Group, 2007. All rights reserved. Node Functionalities: Create Node creation: By coordinates X Y Z At a given location Click on the screen Centre of 2 or 3 nodes 2 nodes middle 3 nodes centre of the described circle Nodes Centre of Gravity Select nodes Sel

45、ect Elements Select Surfaces Select Curves Visual-Mesh v3.5 ESI Group Learning Solutions 46 Copyright ESI Group, 2007. All rights reserved. Node Functionalities: Create - Node on Curve Nodes creation on Curve: No. of nodes or distance between nodes has to be given Option to create a node at desired

46、location (Hard Point) Option to create nodes at ends Biasing option to get the patterned node distribution Option to give the desired Node Start ID Visual-Mesh v3.5 ESI Group Learning Solutions 47 Copyright ESI Group, 2007. All rights reserved. Node Functionalities: Create - Node Between Points Node

47、s create: No. of nodes or distance between nodes has to be given Option to create nodes at ends Biasing option to get the patterned node distribution Option to give the desired Node Start ID Visual-Mesh v3.5 ESI Group Learning Solutions 48 Copyright ESI Group, 2007. All rights reserved. Node Functio

48、nalities: Move Move a node: Select a node Move it: In elements plane Along edges New coordinates Along normal In the screen plane On surface Quality: To see quality during move: Check Quality Auto Move: Moves nodes based to defined quality parameters Along EdgeShow QualityAuto Move Visual-Mesh v3.5

49、ESI Group Learning Solutions 49 Copyright ESI Group, 2007. All rights reserved. Node Functionalities: Replace Node Replace Move: First point to second point At the mid point of the 2 points Replace: First node Keep both nodes Visual-Mesh v3.5 ESI Group Learning Solutions 50 Copyright ESI Group, 2007

50、. All rights reserved. Node Functionalities: Drop Nodes drop: Which nodes: Select nodes and update selection How: Project Normal to target entity Along vector Where: On plane On shell elements On surface Copy or move nodes Visual-Mesh v3.5 ESI Group Learning Solutions 51 Copyright ESI Group, 2007. A

51、ll rights reserved. Node Functionalities: Align Align nodes or element edges: Define target line(s) 2 points line 3 points circle Existing curve Lines defined by points Smooth curve defined by points Entity to align Nodes Element edges Visual-Mesh v3.5 ESI Group Learning Solutions 52 Copyright ESI G

52、roup, 2007. All rights reserved. Node Functionalities: Utilities Create Points at Nodes: CAD points can be created from nodes by using this option in Node menu Shift Mid Nodes to Middle: The quadratic or mid nodes which are not at mid can be shifted by this option. Prior element selection is require

53、d for this option Create Report for Mid Nodes: This option is similar to above. The report of the mid node distance is created by using this option. The same report can be seen in the console when this option is used Copyright ESI Group, 2007. All rights reserved. Author(s): SKH, ESI India VTS-3.5-M

54、E-BP 53 October 2006 Visual-Mesh v3.5 1D Mesh Visual-Mesh v3.5 ESI Group Learning Solutions 54 Copyright ESI Group, 2007. All rights reserved. 1D Mesh What is Visual-Mesh? File Support Curve Surface Node Functionalities 1D Mesh 2D Mesh Topology and Batch Mesh 3D Mesh Mesh Validate Visual-Mesh v3.5 E

55、SI Group Learning Solutions 55 Copyright ESI Group, 2007. All rights reserved. 1D Mesh: On Curve On selected curve On selected shell elements Visual-Mesh v3.5 ESI Group Learning Solutions 56 Copyright ESI Group, 2007. All rights reserved. 1D Mesh: On Selected Curve On curves: Select curves Define se

56、eds: Number of elements Element length Hard points Biasing on curves Equal Linear Exponential Bell-curve Option to give the orientation Auto Generate Select the node Visual-Mesh v3.5 ESI Group Learning Solutions 57 Copyright ESI Group, 2007. All rights reserved. 1D Mesh: On Selected Shell Elements E

57、xtract from 2D mesh: Select 2D elements Extract at: Boundary Edges limited by an angle Boundary and edges Edges can be removed Copyright ESI Group, 2007. All rights reserved. Author(s): SKH, ESI India VTS-3.5-ME-BP 58 October 2006 Visual-Mesh v3.5 2D Mesh Visual-Mesh v3.5 ESI Group Learning Solution

58、s 59 Copyright ESI Group, 2007. All rights reserved. 2D Mesh What is Visual-Mesh? File Support Curve Surface Node Functionalities 1D Mesh 2D Mesh Topology and Batch Mesh 3D Mesh Mesh Validate Visual-Mesh v3.5 ESI Group Learning Solutions 60 Copyright ESI Group, 2007. All rights reserved. 2D Mesh 2D

59、mesh generators Automatic mesh generation Modifications Transformations Visual-Mesh v3.5 ESI Group Learning Solutions 61 Copyright ESI Group, 2007. All rights reserved. 2D Mesh: Regular Mesh Regular Mesh is used to create pave mesh on any complex surface which is not having a hole on it Biasing is p

60、rovided to seeding on edges Mesh algorithm and elements type (triangle or quadrangle) Element types Linear Quadratic Visual-Mesh v3.5 ESI Group Learning Solutions 62 Copyright ESI Group, 2007. All rights reserved. 2D Mesh: Automesh Surface Mesh dialogue box: Element sizes Display options Mesh tools