This document provides general information about LS-PrePost4.3 releases.
The Release Notes included with the product may have been updated (Help, Release Notes).
For a list of fixed SPRs, click here.
If you are using WindowsXP , you may need to upgrade to Service Pack 2 before installing LS-PrePost 4.3.
You may need to disable McAfee anti-virus software before installing a LS-PrePost service pack.
To ensure successful installation and optimum performance, verify that your system complies with the requirements specified below.
LSPrePost 4.3 Supported Operating Systems
LS-PrePost 4.3 |
LS-PrePost 4.3 |
||
Windows 10(64-bit) | ![]() |
Centos 5+ (64-bit) | ![]() |
Windows 8 (64-bit) | ![]() |
Mesa Centos 5+(64-bit) | ![]() |
Windows 7 (64-bit) | ![]() |
OpenSuse 11.3+ (64-bit) | ![]() |
Windows Vista (64-bit) | ![]() |
SUSE Enterprise 10+ (64-bit) | ![]() |
Windows XP (64-bit) | ![]() |
Ubuntu 12.04+ (64-bit) | ![]() |
Mac OS 10.9+ | ![]() |
Leap 4.2 (64-bit) | ![]() |
Computer and Software Requirements:
RAM |
|
Video |
|
CPU |
|
Other |
|
Network |
|
LS-PrePost 4.3 is available on website; the website includes the x64 versions of LS-PrePost software.
The Microsoft .NET FrameWork 2.0 environment is installed in the LS-PrePost 4.3 Windows installation.
LS-PrePost applications (including add-in products) are free and no license needed.
LS-PrePost 4.3 document can be downloaded from LS-Prepost menubar->help->documentation. In Windows platform, it's chm format. In Linux, it's zip format.
General:
1. Allow multiple lspost.cfiles in the same directory(Configuration).
2. On Linux, after click bottom toolbar 'shift/ctrl', don't work.
3. On Linux, get system information dialog, if don't install graphics card driver, crash
4. On Centos 7, no graphics driver, when distance, after draw front buffer and glFlush, it will black.
5.Split Window:
a.Left button switch active window
b. Right button popup menu list, could open model, draw XYplot, open Macro, copy view.
6.Add 48*48 icon for LSPP for 4K resolution screen
7.Make documentation changes according to current dialog
8.Appear: mapping texture on part.
Reading & Writing:
1. Femzip:
a. Improved: support for the particle fringe.
b. New: Support for interface force database.
2. Read and render S-ALE model.
Geometry:
1. 3D geometry engine updated to OCC 6.5.3
2. New curve sketch interface with all kinds of tools to create and modify curves in sketch
plane. e.g. create circle by 3 lines
3. Add scale option for surface sweeping
4. Extrude surface into solid in both directions
5. Improved solid boolean operations
6. Improve performance on mid-surface creation
7. Create triangular mesh from point cloud
Meshing:
1. New improved tetrahedron meshing, method1 is new, method2 is old existing tet-meshing
2. Tet-meshing can be started from geometry surface (water tight), or the outer skin of a solid part.
3. New improved remeshing on the existing shell mesh before tet-meshing
4. Remesh a portion of the existing mesh with boundary nodes remind attached to the rest of the model
New and improved Keyword Data:
*FREQUENCY_DOMAIN_ACOUSTIC_BEM_ATV
*LOAD_SEGMENT_FSILNK
*DATABASE_BINARY_FSILNK
*DEFINE_FABRIC_ASSEMBLIES
*BOUNDARY_SPC_SYMMETRY_PLANE
*DEFINE_MATERIAL_HISTORIES
*SET_POROUS_OPTIONS
*DATABASE_RECOVER_NODE
*DATABASE_ALE
*USER_INTERFACE_FORCES
*MAT_203
*MAT_216/217/218
*INITIAL_STRESS_SPH
*CONTACT_SURFACE_TO_SURFACE_CONTRACTION_JOINT
*NODE_THICKNESS_{OPTION1}_{OPTION2}
*ELEMENT_DIRECT_MATRIX_INPUT_BINARY
*CONTROL_IMPLICIT_MODES_BINARY
*DEFINE_PBLAST_GEOMETRY
*DEFINE_PBLAST_AIRGEO
*DEFINE_FILTER
*INITIAL_STRAIN_SOLID_SET
*INITIAL_CONTACT_WEAR
*INITIAL_VOLUME_FRACTION_NALEGP
*MAT_COMPOSITE_FAILURE_SUNIL
*ICFD_MODEL_POROUS
*DEFINE_ADAPTIVE_SOLID_TO_DES
*DEFINE_SPOTWELD_MULTISCALE
*INCLUDE_MULTISCALE_SPOTWELD
*BOUNDARY_COUPLED
*AIRBAG_FLUID_AND_GAS
*ALE_ STRUCTURED_ MESH_CONTROL_ POINTS
*ALE_ STRUCTURED_ MESH
*FREQUENCY_DOMAIN_SEA_CONNECTION
*FREQUENCY_DOMAIN_SEA_INPUT
*FREQUENCY_DOMAIN_SEA_SUBSYSTEM
*DEFINE_STOCHASTIC_VARIATION
*DEFINE_CONTACT_EXCLUSION
*ICFD_CONTROL_DEM_COUPLING
General Pre&Post Processing:
1. Add command "keyword listalltofile "filename" " to generate a file which contains all keywords that are supported in LSPP
2. Improved output of keyword: remove extra "0" at end of real data field, for example, "0.2000000" will be "0.2"
3. Convert part sort dialog to new GUI, add a new button "AutoSizeAll" to recalculate all column's size based on cell texts
4. Application: Segment Pressure Wave
5. Support translate as node normal(average normal based on selected segments), if segments has no contribution to selected node, the node will not be processed
6. Command support of replace keyword with "all", and support optional "value filter" of target field, it means find out all keywords that value of target field equal to the filter, then replace the value. command format is: keyword replaceint keyword_name all field_index replace_val val_filter. e.g: "keyword replaceint SECTION_SHELL all 1 2 16", go through all all *SECTION_SHELL and replace value of the second field(ELFORM) with 2 if the old value is 16
7. Add new feature "RefParts" for entity display of contact general option, this new feature support only show parts that are reference to highlighted contact entities
8. Add support for "Check whether the geometry thickness matches the total thickness computed from summing the layers' thickness" in ModelCheck
9. Improve creation of cnrb data: auto create pnode
10. Improved keyword transfer, support pick entity from the main view
11. Draw entity of cnst_spr2
12. Add create *boundary_spc_symmetry_plane to entity creation dialog
13. Modified position of link button on keyword form dialog
14. Special process of read/write encrypted data as included file, and the file has nothing else
15. Integrate aisc database to source code of LSPP: aiscshapesdb_def.c; currently use a macro "_USE_ASIC_DB_" to control how decode aisc info
16. Popup parameter link dialog when link button clicked and "*Use Parameter" is checked
17. Support selpart reference operate on feature tree
18. Improve output of float data, write 7 digits for float point number of single precision
19. Add draw entity of *interface_ssi_option
20. Add draw entity of *load_seismic_ssi_option
21. Work of process _COLLECT option of *SET keywords, share the same keyword id when _COLLECT is specified
22. Support All/None/Reverse for MASS and Inertia on selpart dialog
23. Support get min/max coordinate of part on selpart dialog
24. API support for feature tree of keyword entity
25. Support "RefPart" for constrained joint entity
26. Support find referenced part/cnrb of constrained joint through *constrained_extra_nodes
27. Add configuration for show refparts only of some special active entity
28. Add configuration of set color of contact entity
29. Create beam cross section data on entity creation dialog
30. Support read dynain.lsda
31. Support list MASS parts on selpart
32. Drawing of sale box, drawing of set_segment/solid/node_general entities for sale box
33. Add *ALE_STRUCTURED_MESH to entity display
34. Add "3+3" mode in creating Penta elements of EleEdit dialog.
35. Fringe Legend right click menu:
a. Add "Exp format" and a text widget to let user input the digit numbers, so that user can change the fringe legend to the format with a inputed digit number after decimal point.
b. Use fringe label to replace "fringe levels",and add "change label" to let user change the label.
c. Add text widgets to control user fringe legend font size.
d. Add "Move" to change the legend position.
36. Add option in BeltFit to create 2D seatbelt element.
37. Add option in Configuration to show mesh and outline together
38. Make "BySet" available if prepost_process == 3.
39. Support normal for Penta element.
40. Make *MAT189 available for material direction.
41. Add option to Show graduation on grid.
42. Support Identify composite material direction without id
43. Create spotwelds based on any number of part.
44. Write local coordinate system info in measureing node distance into lspost.msg file.
45. Support thickness diaplay for *element_tshell_composite in Identify.
46. Support fringe tshell thickness in eledit
47. Support put all files created by LSPP to "LSPP_HOME"
48. Blank/Unblank elements of a Formability key in FLD
49. Add option "Updated Region" in Range to keep the region changed as the model gets zoomed or panned.
50. Add coordinate scaling in new GUI.
51. Support volumetric strain
52. Add command "elemedit alignelem all" to align all elements
53. Add menuitem in View to show A axis orientation only
54. Add command "rotate_model N2 246 255 30" to treat the first node as rotation origin.
55. Support update AD vector as well in rotating element
56. Support mass calculation related to phase change materials.
57. Support material direction for mat249
58. Support Delete MS beam element
59. Support beam normal.
60. Support Save max/min element in Range into genselect buffer.
61. Plot secforc components from other system
62. Support lode parameter-alt in elout
63. Support reverse normal for selected shell elements.
64. New: Add the chamber ids version 4 in control block.
65. HELIX: r pitch need to be smaller than the extend in Y direction
66. HELIX: add "uniform" option
67. Enable region selection zooming with model
68. Section: Keep section option added. Section can be turned on/off in SelPart GUI.
XY Graph Plotting :
1. New XYPlot(3rd generation):
a. New: Redesign New XYPlot Viewer, which is including the all of functions in the 2nd generation and will replace of it.
b. New: XYPlot Frame Impelement, mainly including functions on curve panel, port panel, project tree list, menu, toolbar, mouse operations and so on.
c. New: Crossing 3d graphic with 2d curves.
2. New XYPlot(2nd generation):
a. New: keyboard for previous and next page.
b. New: multiple ports on mainwindow.
c. New: add icfd interface for 2d plotting.
d. Improved: use ftgl label interface.
3. Old XYPlot(Popup XYPlot Window):
a. New: add interface to check active or not.
b. Improved: new operation curves.
ASCII & BINOUT :
1. Add prtube brach in ascii and binout.
2. Add demtrh in ascii branch.
3. Plot damp ratio vs.frequency in brake squeal problem.
4. Improved: spotweld beam and solid cluster with same ID.
5. New: highlight nodes on model in bndout branch.
6. Improved: support for old ncforc format.
7. New:support for new format tprint.
8. New:Initialize the curve id for nodout branch.
9. New: translate dem_rcforc to ascii.
10. New: read sbtout id legends.
11. New: showing defore legend when plotting xydata.
12. New: showing nodout legend when plotting xydata.
13. New: support for new data in tprint.
14. New: new ncforc reader.
MS(multi solver)-Ascii:
1. New: support for the icfdragi files to add the option to plot Ftot_x (=Fpx+Fvx), Ftot_y (=Fpy+Fvy) and Ftot_z (=Fpz+Fvz).
SCL (Scripting Command Language) :
1. New: support for multiple integration points for whole model.
2. New: getting beam integrate points.
3. New: support for sph von_mises state data.
4. New: Add SPH von_mises sample.
5. New: getting beam state data including the beam integration pioints function.
6. New: support for SPH model's Infin Principal Strain.
7. New: support for SPH model's principle stress.
8. New: support for getting von mises stress for sph model.
9. New: support for sph model to get stress data.
10. New: support for sph model to skip the sph elements for neip and thickness data, which exists only shell data.
11. New: support for getting stress and strain tensor data, fringe SPH nodes.
12. New: support for rigid shell when getting shell neips, thickness,strain energy density data.
13. New: support for rigid shell when getting strain data.
14. New: support for rigid shell when getting principle stress data.
15. New: support for rigid shell when getting von mises data.
16. New: support for rigid shell when getting stress data.
17. New: support for effective plastic strain.
18. New: add component of stress 1st, 2nd and 3rd principal.
19. New: support for max fringing for component of stress 1st, 2nd and 3rd principal.
20. New: support for integer value.
21. New: support for string parameter.
22. Improved: document update.
23. Improved: the int. points parameter in API.
24. Add function "SCLGetModelDirectory" in SCl to get current model directory.
25. Support shell stress(Nx/t-6*Mx/(t*t),etc), area and volume in SCL
26. Add API(SCLGetDataCenterString) to get part name in scl
27. Support fld related components in SCL.
28. Add command result back to SCL for "Measure Separation", fringe result and penetration.
NVH Pre&Post Processing :
1. Add a new database "d3eigv_ac" for NVH.
2. Support beam d3ftg files.
3. Complex variable d3ssd:
a) Add 1st principal stress,2st principal,3st principal stress and von mises stress, displacement,velocity and acceleration modal expansion.
b) Change player dialog to control modal expansion while "M-E" button is checked.
4. Add NVH pre-processing(Modal Analysis,FRF,SSD,Random Vibration,Response Spectrum,BEM,FEM).
ICFD Post Processing:
1. Update extend for ICFD objects
2. Using meaningful "Positive" and "Negative" instead of 1 and 2
3. Finer option for LIC
4. Allow LIC to use different vector variables
5. 3D data plot
6. Vector on levelset
7. Using part name in d3plot
8. Support multiple selection for tick/untick/group
9. Field Line only available while it's a EM model
10. Support CESE/EM/Structural
11. Add "*" before item to indicate it's been modified
12. Support point/line data extraction on beam
13. Apply stream line on section plane.
14. Added new variables "viscosity", Near Field Velocity
15. Add group object
DES (Discrete Element Sphere) Post Processing:
1. Add threshold control for force chains 1. add option to switch Line and Tube
2. Propagate from picked part to find a closed volume for DES generation.
Fast Rendering:
1. Support Intel Graphics card
2. Support Mac 10.9 and later
3. Support Vector
4. Support Normal
5. Support Pill Beam
6. Fix bug on dual processors
IGA (Iso Geometry Analysis):
1. Update *ELEMENT_SHELL_NURBS_PATCH according to v3 keyword card,add *ELEMENT_SHELL_NURBS_PATCHV3
2. Draw nurbs shade/noshade
3. Update *DEFINE_CURVE keyword for NURBS element.
4. IGA post:read trimmed NURBS
5. Read/write *ELEMENT_SOLID_NURBS_PATCH
6. Fix bug:if two set of d3plot+igaplot files with different name in one directory,LSPP can not read the right corresponding igaplot file.
FLD work:
1. Add curve(EPS vs.beta)
2. Add effective plastic strain curve
3. Update tracer
4. Set points color to the criteria zones'color in plotwindow
5. Highlight corresponding points when element has been picked
6. Fld and epsfld plowwindow always stay in front
7. Display corresponding strain path when a point highlighted on EPS-FLD
8. Add safety margin shift for true strains
Applications:
1. Welding simulation
2. Passenger airbag morphing
3. Wear
Configuration:
1. Add configuration for plotwindow options
2. Add configuration to control plotwindow, always on top or hide behind the main window.
MacOS version:
1. Add "pan" function, press Raw control or alt and left button , pan model.
2. If user copy the lsprepost to Applications directory, and when user open lsprepost, don't create lspost.cfile and lspost.msg in /Application