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G4-News, 24.04.17, GNS mbH Page 1
Generator 4
Carsten ThunertGNS mbH
Email: [email protected]
Changes in revision 1.3.0

Changes 1.3.0
Release 1.3.0- Available May 2017
- Main Focus: Usability
- Better support of Pamcrash and LS_Dyna input decks
- Improved id conflicts handling during data import
- Model handling with databrowser
- Easier to use Presimulation module
- Improved geometry functionality

Changes 1.3.0
User Interface
Databrowser
Command history
Command groups
Visibility Toolbar

Changes 1.3.0
Databrowser
- Bi-directional highlightning Select in 3D view and selection is done in databrowser
- New categories: Material and Geometry
- Double click opens keyword editor
- Two single clicks start edit mode
- Activity only changeable by context menu
- Posibility to move items from one file to another

Changes 1.3.0
Toolbars- Modified Visibility Toolbar
Show and Hide all: dropdown with constant active button
Show , Show only and Hide with active button = the last usage
Start
After usage
Where to set the behaviour in the Toolbar settings

Changes 1.3.0
Command Groups
- More compact layout
- Reworked command groups:
Checks are moved to a new command group
Solver specific command groups
- Changed button colors

Changes 1.3.0
Command line history
Command history with list of entered commands
Deactivating leads to showing the history commands as drop down

Changes 1.3.0
Supported data types- Generator2 Nodes, Elements, Part name, id and thickness
- Generator3 ( additional)Complete Part, Material and Contact Carts
Geometry items: point, curve, surface, hotpoints, cons and face
- Generator4 1.2 ( additional )Reading and writing all additional keywords without understanding orpossibility to modify for PamCrash and LS_Dyna ( unknown keywords )
- Generator4 1.3 (additional) New mechanism to parse, modify and connect the keywords of
PamCrash and LS_Dyna

Changes 1.3.0
Keyword support
- Problem: Each FE solver has a large amount of keywords. Large effort to write and
maintain the file parser.
- Solution: Define an XML file for each FE-solver which describes the syntax of each input card.
- Data type ( integer, float, text )
- Data usage ( ID, ID reference, switch )
- Connections to other keywords
- Format changes due to version or simulation type

Changes 1.3.0
Keyword XML file example, PamCrash FRAME /
- Keyword
- Parameter
- Parameter typeoptiontextrealinteger
- Condition
- Link to other keywords

Changes 1.3.0
Keywords in databrowser- Available formats:
PamCrash (2014) and LS-Dyna (R9) XML file
- PAM-CRASH-Keywords or LS-Dyna-Keywords of the model are shown in databrowser
- List of keywords in the model
- Double clicking opens the keyword dialog
- Context menu for PAM-CRASH-Keywords or LS-Dyna-Keywords let you create new keywords

Changes 1.3.0
Keyword dialog
- Keyword
- Parameter
- Parameter typeoptiontextrealinteger
- Condition
- Link to other keywords
- Switching IAXIS to 0 changes the parameters of card 3 and adds a fourth card

Changes 1.3.0
Keyword dialog / input mask
List with all keywords of a kind
Input mask
Context Menu
Accept changes and close dialog
Accept changes
Revert changes and close dialog
Revert changes

Changes 1.3.0
Keyword dialog / editor
- The raw cards tab provides an editor which can be used to modify keywords
- If only the Raw Cards tab is available an XML definition for the keyword is missing

Changes 1.3.0
Keyword dialog / Simplified
- For some keywords a third tab is available to simplify the creation of a keyword
- These data types are: load curves, contacts, parts.

Changes 1.3.0
Keywords next steps
- Support of variables in input Pamcrash: PYVAR / and PYFUNC / LS-Dyna: *Parameter
- Use the xml keyword definition mechanism for other solver input formats like Abaqus and Nastran
- User can define a new interface by adding a new keyword xml file.

Changes 1.3.0
Interfaces- IGES Support of more data types (Type 186,194,198, 308, 408 and 514) Improved import speed
- PamCrash Added support for Spring-Beam (SPRGBM / ) element Added support for Multiple Nodes to One Node (MTOJNT / ) element
- LS-Dyna Added support for initial transformation by *INCLUDE_TRANSFORM
- JT Support of version 10

Changes 1.3.0
Pedestrian- Implemented UN-ECE-127 head impact testzone calculation
WAD 2100
Bonnet Rear Reference Line
Euro Law Phase 2
UN-ECE-127

Changes 1.3.0
FMVSS201- Implemented options for daylight opening treatment in P8 calculation for RPR
- Line M-P7-P8 ends when the line can be seen from the 'side' or 'rear' daylight opening. RPR

Changes 1.3.0
Dummy
- (De)activate the highlightning of the selected body part
- Allow each joint to be rotated around all axes 0-360 degree
- Support of LSPP dummy definition in include (%occupant)

Changes 1.3.0
Seat- Implemented basic support for Primer extension *MECHANISM_START to define seat mechanic
Definition of seat travel range border points required
- Checks for internal seat penetrations checks 'real' penetrations
gapshell middle plane
Not found before Generator 1.3.0

Changes 1.3.0
Presimulation Module- Motivation
Getting a seat to a different position needs the steps:
- Adjust the seat position
- Change the dummy and/or adjust the limb positions
- Modify the seatbelt
- Do a presimulation to adjust the seat foam due to the dummy sitting in the seat
- That has to be done for different seats on different sitting positions ( driver and occupants )

Changes 1.3.0
Presimulation Module- Old solution
Write a complex session file and stop to let the user do some interaction like setting the seat position.
Limitations: Due to a limited keyword support in Generator4 user has to edit input deck.
With more keywords: User has to search for the parameters which affects the presimulation
No solution how to start the presimulation or get the results to the 'real' simulation

Changes 1.3.0
- New solution
- Basic idea is from a metal sheet forming process Divide a presimulation in Steps ( when is it happening ) and Actions ( what is happening )
- Present the Steps for the user in an step by step order
- Define once what parameters can be set for each Action and show them In the GUI. The user does not need to now what input keywords are affected.
- Start the Presimulation from Generator4 and see the results after it is finished.
- Mechanism can be used for all kinds of (Pre)simulations
- Detailed presentation from Paskal Kauer in the afternoon
Presimulation Module

Changes 1.3.0
Tetra mesh generation
- select closed triangle volume
- specify property
- activate for 10 node Tetra elements
- Minimum and Maximum Length can be defined to get a different element size on the surface and in the interiour.

Changes 1.3.0
Tetra mesh grading ( Grading 0 ...1 )
Small grading:- Minimum: 1.0 Maximum: 5.0 Grading: 0.1 45400 Tetras
Large grading- Minimum: 1.0 Maximum: 5.0 Grading: 0.9 12700 Tetras
1mm
3mm

Changes 1.3.0
Duplicate ID/Name check
- Generator4 1.2.1 different behaviour for duplicate identifier forGenerator4 Database: Conflicts dialog
Input reading: automatically renumbered ( similar to Generator2 )
- Generator4 1.3Conficts dialog is always usedConficts dialog can handle name conflicts Conflicts dialog can show conflicting id/namesConflicts dialog can handle more data types

Changes 1.3.0
ID conflicts dialog
- Only existing item types are shown- Item types with confli

Date post:	03-Jul-2018
Category:	Documents
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