What's New in LS-PrePost
2008
29-May - Added MetalForming Application tutorial
26-May - Added MassTr Interface
26-Mar - Added visualization of *AIRBAG_REFERENCE_GEOMETRY on Page D
18-Mar - Updated the Trace Interface to make use of the General Selection panel
12-Mar - Updated the Toggle Menu with a more intuitive "check" system
29-Feb - Added coincident node picking and made node/element picking significantly faster and easier. More details...
23-Jan - Added Split Solid option to the ElEdit Interface to allow splitting of hex and penta elements
01-Jan - Started work on LS-PrePost 2.3. Version 2.2 will be updated with bug fixes, but new features will be added to 2.3 only.
2007
26-Nov - Added Shell intersect option to the Curves Interface to create curves at the intersection of shell parts
21-Nov - Moved Shift/Ctrl options from the General Selection Interface to a Rendering Hot-Button
21-Nov - Added some options (Frin, Plan) to the General Selection Interface
27-Sep - Added Morph Interface
24-Sep - Updated the Blank Interface to make use of LS-PrePost's growing General Selection capabilities
14-Sep - Added some options (Sphe, Box, Prox, Circ) to the General Selection Interface
18-Jun - Tutorial 6 updated to include new LSTC Hybrid III Rigid 50th Percentile Dummy
14-May - Added Recent file list to the File Menu
01-May - Started work on LS-PrePost 2.2
23-Apr - Added an updated User Guide and set of Examples for the BlockM Interface
19-Mar - Tutorial 17 added to online documentation (Intro to MetalForming Interface)
10-Mar - Added Record Orient option to the Toggle Menu to suppress writing of orientation commands to the Command File
28-Feb - Tutorial 16 added to online documentation (Intro to Block Mesher)
24-Feb - Update of SphGen Interface
11-Feb - Added support for the *SENSOR keyword
10-Feb - Removed obsolete functions from Page 2 (Clipp) and Page 7 (IcemHex and IGES)
2006
10-Dec - Added Delete Degenerated Elem option to the DupNod Interface to allow control over deletion of degenerated elements
01-Dec - Added a few Animated Demos to the Tutorials section
26-Nov - Added scroll wheel zooming as a standard Mouse Operation
22-Nov - Added some Mini Tutorials to address specific topics
16-Nov - Added asksave option to the Configuration File
15-Nov - Added Save Keyword As option to the File Menu to standardize file save behavior
05-Nov - Tutorial 15 added to online documentation
30-Oct - Tutorial 14 added to online documentation
26-Oct - Update of Configuration File information
25-Oct - Tutorial 13 added to online documentation
21-Oct - Update of Surface Interface
18-Oct - Tutorial 12 added to online documentation
17-Oct - Updated SCRIPTO API resources
16-Oct - Tutorial 11 added to online documentation
12-Oct - Tutorial 10 added to online documentation
11-Oct - Update of nLMesh Interface
10-Oct - Added QuickBeam option to the ElEdit Interface to allow convenient creation of 2-noded beams
09-Oct - Added Direction option to the ElEdit Interface to modify element orientation
04-Oct - Major update to the form and functionality of the LS-PrePost Google Group
21-Sep - Tutorial 9 added to online documentation
20-Sep - Enabled pre-filtering for HIC/CSI calculations using the ASCII Interface
19-Sep - Enabled Function Keys for panel navigation and command file execution
11-Sep - Added search function (powered by Google)
28-Aug - Added Discrete option to theElEdit Interface under Element > Create
25-Aug - Added *Keyword Interface
21-Jul - Added Smooth Interface for mesh smoothing
22-Jun - Added To Surface option to the Project Interface
20-Jun - Overhaul of 2Dmesh Interface to improve usability
15-Jun - Established Google Groups for general LS-PrePost discussion and SCRIPTO related topics
30-May - Tutorial 8 added to online documentation
26-May - Tutorials 6 and 7 added to online documentation
19-May - Tutorial 5 added to online documentation
14-May - Tutorial 4 added to online documentation
26-Apr - Added Print Version button to each page that links to a printer-friendly version of the main content
18-Apr - Added Keep Seed Elements option to the PTrim Interface
04-Apr - Added Solid By:2 Shell Sets option to the ElGen Interface
27-Mar - Added preliminary SCRIPTO API information
23-Mar - Tutorials 1-3 added to online documentation
16-Mar - FAQ added to online documentation
14-Mar - Added Along Arbitrary Vector option to the Project Interface
09-Jan - LS-PrePost 2.1 Recently Added Features
- Page 1
- Anno
- Annotation arrows can be constrained to always point at a specific node
- SelPar, Fluid
- For displaying fluid surfaces from ALE simulations of airbags and fuel sloshing type simulations
- Fcomp, Misc Fluid Components
- These components have better description compared to before which was history variable 1,2,3,...
- Output, Fluid Surface
- Allows writing a keyword file of fluid surface at any state for further processing like fluid profile comparisons
- Follow, Select Model
- Allows selection of model to select follow node or plane
- Splane
- Lagr option cuts a section at time zero and allows section animation even if elements do not cross the plane
- Off/Clip+/Clip- clips model in front of and behind the plane
- Solid elements are now capped for proper display
- Section cut animation has same controls as normal animation
- Line plots can now handle holes in parts (important feature for metal forming)
- Options - Allows thickness plotting in section cuts and also vector plotting of velocities/displacements
- Color
- Fringe colors can now be user-defined for each fringe level
- State, Fringe Diff State
- Select a state number for fringing of fringe = fring state n - fringe Diff state
- Measur
- Disp P2P - allows measuring distance from point to point by rubberbanding
- Point is a point anywhere on the element surface (not a node)
- Angle 3node, Angle 4node in pre-processing as well as post-processing
- Separation - Fringing of separation between 2 parts
- Measurement of coordinates with distance in local coordinate system
- ASCII
- Multiple file loading from multiple runs
- Model
- Interface has been simplified for handling multiple models
- Page 2
- Renum
- Renumbering of entities in range has been improved
- Elgen
- Creation of shells from solid surface
- Creation of shells from solid faces
- Creation of shell by dragging edges
- Creation of shells by spinning edges.
- Creation of shells by dragging a curve (line)
- Creation of shells by spinning a curve (line)
- Creation of shells from segment sets
- Creation of 10 node tetras from 4 node tetras
- Convering hexas to tetra elements
- Creating solids by dragging shells
- Creating solids by offseting shells
- Creating solids by spinning shells
- Creating solids from shells
- Rotate, Trnsfrm, and Reflect
- *INITIAL_STRESS and *INITIAL_STRAIN are now adjusted by these operations
- Project
- Project nodes to curve
- Project nodes to mesh with optional offset from mesh
- 2 projection methods: Closest 3D and Vector
- Curves
- Blank/Create/Modify/Delete/Load/Save curves (lines)
- PTravel
- Position of parts in global and local directions
- Option to Allow rotation of moving part (main application is metalforming but has many other potential uses)
- Refchk
- Finding unreferenced entities in model
- Finding referenced entities
- Finding attached entities
- Finding undefines entities
- Option to write partial models as keyword file
- Ptrim
- Part trimming based on trim curves (mainly for metalforming applications)
- Supported curve formats: xyz data, IGES, and VDA
- 2 methods of trimming: closest 3d projection and vector projection
- Option to move/delete trimmed elements
- Trim direction has been extended from global xyz to very general "vector"
- Handles trimming of dynain files as well as adaptive models
- Page 5
- Conchk (previously Inipene)
- Tied contact checking
- Undo Flip function
- Initial penetration checking and fixing
- BeltFit
- Seatbelt fitting support for Simple 1D and Mixed 1D and shell belts
- IniVel
- Initial velocity generation has been extended from just global directions to:
- Local Directions / Along Vector / Angular/ Angular+Translational
- These options allow easy generation of velocities for door and hood slam analysis as wells as many general applications
- Page 7
- Mesh
- Solid and shell box
- Solid and shell sphere
- Surface
- Blanking and moving of CAD surfaces
- SurMesh
- Importing of CAD surface data in IGES and VDA format
- Surface meshing methods (Amesh and Tmesh)
- Amesh is topology mesher for structural meshing
- Tmesh is for tool meshing for metalforming applications
- SWGen
- Failure parameters (NRR, NRT, NRS) on *MAT_SPOTWELD can be calculated based on the material yield strength
- Spotwelding of models using masterweld files in various formats (XML, MWF, Primer, Custom)
- Multiple spotweld types (Beam, 1-Hexa, 4-Hexa)
- Nugget diameter options (Constant, Curve Defined, Thickness vs Diameter, Built-in)
- Proper handling of rigid bodies in *CONTACT_SPOTWELD creation
- 2Dmesh
- 2D geometry creation and 2D meshing using various meshing techniques including magic mesher from maze
- TetMesh
- Tetmeshing from hex or shell skin meshes
- Remeshing for tetmeshing
- ChainM
- This allows chaining of d3plot file series into a single animation
- Applications: Chaining 3 stages run separately into one continous animation (Ex: gravity/explicit/springback)
- DieLine
- Similar to ChainM but more specialized for metal forming dieline analysis like dieline transfer simulations
- Peneck
- Penetration checking for forming applications like dieline analysis
- SQual
- Surface quality plotting for metalforming applications
- Inspection of surface quality typically after drawing operation
