LS-PrePost 4.5 Release Notes
This document provides general information about LS-PrePost4.5 releases.
The Release Notes included with the product may have been
updated (Help, Release
Notes).
For a list of fixed SPRs, click here.
Technical Alerts
-
If you are using WindowsXP
, you may need to upgrade to Service Pack 2 before
installing LS-PrePost 4.5.
-
You may need to disable McAfee
anti-virus software before installing a LS-PrePost service pack.
System Requirements
To ensure successful installation and optimum performance, verify that
your system complies with the requirements specified below.
LSPrePost 4.5 Supported Operating Systems
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Windows 10(64-bit) |
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Centos 5+ (64-bit) |
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Windows 8 (64-bit) |
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Mesa Centos 5+(64-bit) |
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Windows 7 (64-bit) |
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OpenSuse 11.3+ (64-bit) |
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Windows Vista (64-bit) |
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SUSE Enterprise 10+ (64-bit) |
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Windows XP (64-bit) |
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Ubuntu 12.04+ (64-bit) |
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Mac OS 10.9+ |
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Leap 4.2 (64-bit) |
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Computer and Software Requirements:
RAM |
- Minimum: 4 GB RAM (LS-PrePost 4.5 4GB RAM)
Parts (< 200 features) and assemblies (< 1000 components)
- Recommended: X64 processor 8GB or more (LS-PrePost 4.5 and higher 8GB or higher RAM)
Parts (more than 200 features) and assemblies (more than 1000 components)
- Very large models: X64 processor with 16GB or more, parts with
more than 1000 features, assemblies with more than
10000 components or models that exceed the limit of 32 bit
architecture.
- Virtual memory recommended to 2X the amount of RAM.
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Video |
- A certified OpenGL workstation graphics card and driver.
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CPU |
- Intel and AMD processors.
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Other |
- Mouse or other pointing device
- Internet Explorer version 6.x or 7.x on Windows.
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Network |
- LS-PrePost is tested only with Microsoft's Windows Networking and Linux network environments.
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Installation
Licensing
LS-PrePost applications (including add-in products) are free and no license needed.
Documentation
- LS-PrePost 4.5 document can be downloaded from LS-Prepost menubar->help->documentation. In Windows platform, it's chm format. In Linux, it's zip format.
General:
- Add progress bar for reading keyword files
- Improve selpart dialog, much faster now when number of parts is very big e.g. more than 10,000 parts
- Show Spot weld beam parts only in the Selpart interface
Reading & Writing:
- Output keyword file exactly as input order
- Load multiply d3hsp files on d3view dialog
- Support "exclude history variables" when writing dynain ascii file
- Support write full name of the keyword file to a text file,command is: save kwdfilefullname "D:\test.txt"
- Comment a keyword on the form, and write it as "*COMMENT *NODE"
- Support large BINOUT file that is larger than 4GB
- Support FEMZIP file with temperature data
- Support multiple FEMZIP files with SPH nodes
Geometry:
- Measure Ruler: a simple tool to view local size
- Active Label: add “Trace Node”, “Trace Element” and “Trace Curve”
- Curve->Convertor: add “*DEFINE_CURVE” and “*DEFINE_CURVE_TRIM_NEW” in “From Keyword” to convert more kinds of keywords to curve
- Curve->Middle Curve: add “Axis of Pipe” to extract axis from geometry shape or FEM shell part
- Curve->Sketch: Add Extend and Text functions
- Improve Surface->Middle Surface feature to reduce the wrong faces pairs
- Improve IGA Post tessellation speed
- Convert a geometry curve into the keyword data *DEFINE_CURVE
Meshing:
- 3D Drawbead
- Enhanced 3D Drawbead by generating Multiple sections drawbead at the same time
- Improved 3D Drawbead capability for symmetric model
- Added 'Reverse' and 'Restore' option for 3D Drawbead Mesh
- Added multiple domain option for tria to quad remesh
- Added warpage angle and distort metric option for tria to quad remesh
- Added the option of Constraint Point Insertion in Auto Mesher
- Added 8/6 node shell element option for Auto Mesher
- Added EL_SOLID_H27 generation from SHELL_QUAD8/SHELL_QUAD6 shell
- Block Mesh – Save and load from LS-PrePost project file
New and improved Keyword Data:
- *ALE_STRUCTURED_MESH_REFINE
- *BOUNDARY_SPC_SYMMETRY_PLANE_SET
- *BOUNDARY_DE_NON_REFLECTING
- *BOUNDARY_THERMAL_WELD_TRAJECTORY
- *CESE_BOUNDARY_BLAST_LOAD
- *CESE_BOUNDARY_CONJ_HEAT_MSURF
- *CESE_BOUNDARY_CONJ_HEAT_MSURF_SET
- *CESE_BOUNDARY_CONJ_HEAT_SET
- *CESE_BOUNDARY_CONJ_HEAT_SEGMENT
- *CESE_SURFACE_MECHSSID_D3PLOT
- *CESE_SURFACE_MECHVARS_D3PLOT
- *CESE_FSI_EXCLUDE
- *CESE_EOS_INFLATOR1
- *CESE_EOS_INFLATOR2
- *CHEMISTRY_CONTROL_INFLATOR
- *CHEMISTRY_CONTROL_TBX
- *CHEMISTRY_INFLATOR_PROPERTIES
- *CONTROL_FORMING_ONESTEP_QUAD
- *CONTROL_FORMING_ONESTEP_QUAD2
- *CONTROL_FORMING_ONESTEP_TRIA
- *CONTROL_FORMING_BESTFIT_VECTOR
- *CONTROL_THERMAL_SOLVER
- *CONSTRAINED_FEM_PERI_TIE_OPT
- *CHANGE_RIGIDWALL_GEOMETRIC
- *CHANGE_RIGIDWALL_PLANAR
- *CHANGE_VELOCITY_NODE_ONLY
- *CONTACT_AUTOMATIC_GENERAL_EDGEONLY
- *CONTACT_AUTOMATIC_SURFACE_TO_SURFACE_MORTAR_TIED_WELD
- *CONTACT_AUTOMATIC_SURFACE_TO_SURFACE_TIED_WELD
- *CONSTRAINED_SHELL_IN_SOLID
- *DATABASE_EXTENT_SSSTAT_ID
- *DATABASE_FREQUENCY_ASCII_NODOUT_PSD
- *DATABASE_FREQUENCY_ASCII_ELOUT_PSD
- *DATABASE_FREQUENCY_ASCII_NODOUT_SSD_MODAL_CONSTRIBUTION
- *DATABASE_FREQUENCY_ASCII_ELOUT_SSD_MODAL_CONSTRIBUTION
- *DATABASE_FREQUENCY_ASCII_NODOUT_SSD
- *DATABASE_FREQUENCY_ASCII_ELOUT_SSD
- *DATABASE_FREQUENCY_BINARY_D3ACC
- *DATABASE_DEMASSFLOW
- *DEFINE_CPM_VENT
- *DEFINE_POROUS_OPTION
- *DEFINE_SPOTWELD_FAILURE_{OPTION}
- *DEFINE_CURVE_STRESS
- *DEFINE_FRICTION_OPTIONS
- *DEFINE_STOCHASTIC_ELEMENT
- *DEFINE_NURBS_CURVE
- *ELEMENT_LANCING
- *EM_POINT_SET
- *EM_RANDLES_MESHLESS
- *EM_RANDLES_LAYERED
- *EM_RANDLE_SHORT
- *EM_ISOPOTENTIAL
- *EM_ISOPOTENTIAL_CONNEC
- *EOS_MURNAGHAN
- *EOS_PHASE_CHANGE
- *FREQUENCY_DOMAIN_FRF
- *FREQUENCY_DOMAIN_SSD
- *FREQUENCY_DOMAIN_RANDOM_VIBRATION
- *FREQUENCY_DOMAIN_ACOUSTIC_FRINGE_PLOT_ {OPTION}
- *ICFD_BOUNDARY_WINDKESSEL
- *ICFD_CONTROL_STEADY
- *ICFD_CONTROL_TRANSIENT
- *ICFD_BOUNDARY_FSWAVE
- *ICFD _BOUNDARY_PRESCRIBED_TURBULENCE
- *ICFD_CONTROL_MONOLITHIC
- *ICFD_CONTROL_POROUS
- *ICFD_SOLVER_TOL_MONOLITHIC
- *ICFD_INITIAL_TURBULENCE
- *ICFD_DATABASE_DRAG_VOL
- *INTERFACE_COMPENSATION_3D_{OPTION}
- *INITIAL_VAPOR_PART
- *INITIAL_STRESS_SOLID_SET
- *INITIAL_FOAM_REFERENCE_GEOMETRY_RAMP
- *INCLUDE_UNITCELL
- *INCLUDE_AUTO_OFFSET
- *LOAD_STIFFEN_PART_SET
- *MAT_ADD_GENERALIZED_DAMAGE
- *MAT_260B
- *MAT_TRANSVERSELY_ANISOTROPIC_ELASTIC_PLASTIC_NLP2
- *MAT_KINEMATIC_HARDENING_TRANSVERSELY_ANISOTROPIC_NLP
- *MAT_3PARAMETER_BARLAT_NLP
- *MAT_280
- *MAT_ELASTIC_PERI
- *MAT_REINFORCED_THERMOPLASTIC_UDFIBER
- *MAT_254
- *MAT_STOUGHTON_NON_ASSOCIATED_FLOW
- *MAT_4A_MICROMEC(mat_215)
- *MAT_TABULATED_JOHNSON_COOK_ORTHO_PLASTICITY
- *MAT_036E
- *MODULE
- *NODE_TO_TARGET_VECTOR
- *PART_STACKED_ELEMENTS
- *SECTION_SOLID_PERI
- *SENSOR_DEFINE_ELEMENT_SET
General Pre&Post Processing:
- Support translation/rotation/scaling/reflection operations for ICFD mesh
- Support display mass information of the model on Model dialog -> Show Info
- Support show thermal material property of *part on part data dialog
- Support keep original id when transferring keywords data
- Support add PNODE to a node set when creating the CNRB data
- Seatbelt – add option to create belt fit based on the picked parts
- Adjust airbag folding interface, allow users to select active node to be folded
- Add option to select parts or elements only when they are fully within the area pick box
- Support picking with both multi-solver nodes and structural nodes
- Automate connector creation (CNRB+beam, CNRB+Joint) when there are multiple holes in the part
- Add setting the “Center of rotation” by using the middle mouse pick on the model
- Support create TSHELL composite from regular shell composite
- Assign shell thickness along some direction defined by a line or a curve
- Add functionality to align all visible TSHELL element connectivity
- Support reading displacement/velocity/acceleration data from double precision LS-DYNA result file such that small values (1.0E-05) will not be lost. Fringing the implicit run result now works properly
- Add support for Section plane Lagrangian type when doing Clip+/Clip- mode
- Add support for user defined fringe range. Also add option in Fringe range (Frange) to keep all min and max regions. Support nodal difference and nodal fraction option for fringing
- Allow using the settings in “Frange” to “Vectplot”, Support XFrn and XFrx for vector plot
- Support adaptive meshing model d3plot file name suffix with more than 2 letters
- Support strain rate fringing for SPH
- Support multiple post-processing models to be chained together with one click “Chain All”
- Add comparing “Principal stress” in the model compare for post-processing
- Support for a new 5-node 6-face solid element called SOLID5 has been added, this is for ME-FEM analysis
- Add modification of the 3rd nodes for beam element
- Add “CG Trace” for the selected parts or elements
- Add cylindrical coordinate system for INIITIAL Velocity, and load (for node and for *SET)
- Add fringing for surface load (*LOAD_SEGMENT) in model check
XY Graph Plotting :
- New XY Plot interface
- Support creation of *DEFINE_CURVE from xy graph data, the command is: xyplot loadcurve “[xydata_filename]”
- Fixed xyplot scaling problem
- Improve the sum curves by interpolating data points on all curves to give same number of data points
- Fixed bug in the “Save” operation when there is nothing to be saved
- Add swapxy function in the cross plotting to swap curves assign to x or y axis
- Add proper labels to the save curves in the XYplot dialog
- Add derived components to eloutdet binout branch such as “Pressure”, “Effective_stress”, “max_principal_deviatoric_stress”, “2nd_principal_deviatoric_stress”, “min_principal_deviatoric_stress”, “max_shear_stress”. etc.
- In 3D graph system, add 2 new buttons for “Export ISO curve” and “Export surface” in the surface interface
ASCII & BINOUT :
- Support new item “Leakage” in the abstat file
- Support for range ids e.g. asci matsum plot 1 total 1:6000
- Add pllyout branch in binout reader
- Support abstat_cpm/metadata/chamber_start_iid in binout abstat
- Split large binout file (> 2GB) into multiple binout file that is no more than 1 GB each
- Add Elout_ssd beam element title update
- Support show command for multiple X csv file
MS(multi solver)-Ascii:
- Fixed: icfdrag Ftotal x, y, z's time curve data.
- Fixed: Issue with em_pointOut.dat in cross plotting.
- Support for plotting curves from em_circuitRes file.
- Support for plotting curves from em_isoPotConnOut and em_isoPotOut file
- Support for plotting curves from em_nodout new component.
- Support for new component in icfd_lsvol
SCL (Scripting Command Language):
- Support extraction of Selection data (from general selection), type, number, and IDs.
- Support extraction of global state data
- Support extraction of part history data, rigid part data.
- Support extraction of *SET_ data, the allowed type are “NODE”, “SHELL”, “SOLID”, “BEAM”
- Support get referenced part IDs from material IDs in SCL
- Add recent SCL files in the configuration list (remember the SCL used)
NVH Pre&Post Processing:
- Add support for new database file “D3ACC”, and “D3ACP”
- Modal expansion (Expand the result for one frequency into time domain) for Von Mises stress, 1-3 principal stresses, Max. Shear Stress
- Add support for signed “Von Mises” in complex variable from d3ssd files
- Modify “Scalar” option in history dialog for NVH history plot
FLD (Forming Limited Diagram):
- Add new EPS (Effective Plastic Strain) FLD support in the FLD interface
- Add Duel view option to see both the traditional FLD and the EPS FLD side by side, or top and bottom
- Add Duel view for formability charts in addition to the model graphics views
- Add Diff view to see the difference between traditional FLD and EPS FLD
- Enhance feature of picking elements on model then with highlights on the FLD charts (both traditional and EPS fld charts)
- Enhance feature of picking on either traditional FLD chart or EPS FLD chart, will highlight on both charts as well as element in the model in the main graphics windows
Applications:
- Add “Battery Packaging” application
- Add thermal solution tree
Configuration:
- Add configuration of create new subsystem after load model
- Add shell element quality check parameters into configuration file
- Add identify label font size in configuration file
- Add general selection Node color, size, settings and the control for dialog font size