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Keyword Editing

  • *section panel
  • Figure 1 - *SECTION Panel
  •  
  • *mat panel
  • Figure 2 - *MAT Panel
  •  
  • refby popup
  • Figure 3 - RefBy Popup
  •  
  • link popup
  • Figure 4 - Link Popup

Every LS-DYNA keyword card can be created, viewed, modified, and deleted as part of model building process using this interface via the fuctions found on pages 3 and 4. Each keyword card data form is designed to appear as it is documented in the LS-DYNA Keyword Manual. A brief description of each parameter is available by clicking its data entry field. This description is the same as in the LS-DYNA Keyword Manual. Except for extended remarks, most information from the keyword manual is available in LS-PrePost for easy reference.

For each card type, a list of sub-types is presented in the middle right area. Each sub-type can be edited. Upon editing a sub-type, a keyword form is presented in a separate pop-up window consisting of a list of that particular of data type.

Selecting one of the keyword items on Page 3 or 4 will open the main branch navigation interfaces in the primary controls area. Examples of this are shown in Figures 1 and 2. To launch the keyword editing window for a specific keyword, select it from this list and click Edit.

General Keyword Controls:

Edit
 Open keyword input window for selected keyword
Done
 Close the current interface
All
 Display all keywords
Model
 Display all keywords in current model

RefBy
 Launches RefBy popup interface (*EOS/*HOURGLASS/*MAT only)

Some input forms also have a RefBy button (*SECTION_SHELL for example) that opens a window showing parts that use the current keyword. From within the window, the parts can be saved in a buffer.

All
 Select all
None
 Deselect all
Rev
 Reverse selection
Done
 Close Referenced By interface
Save
 Save selected part IDs in selected buffer
Buffn
 Select buffer to save data

  • (See Figure 3 for example)
  • GroupBy: Use this menu to limit the materials shown in the list by type (*MAT only)
  • Sort: list by Name or Type number, Limit list alphanumerically (*MAT only)

Keyword Input Window:

  • Normal Headings (Blue) - Displays help comment when clicked
  • Dynamic Headings (Red) - Dynamic form switch field - entering certain values will unlock additional cards

choice
 Select value from list by clicking on the arrow
link
 Opens Link Dialog (See Figure 4)

This dialog displays a list of keyword IDs suitable for the text field used (applicable when data type is a set, node, element, part, load curve, or table)

Done
 Accept selection and close Link Keyword Dialog
Cancel
 Cancel selection and close Link Keyword Dialog
Read
 Open selected keyword (for viewing only)


  • edit keyword
  • Figure 5 - Keyword Input Window

NewID
 Generate a new ID, and begin creating a new keyword card by taking the contents of existing card.
Draw
 Minimize keyword input form and highlight entity in graphics viewport (see Figure 6)

If the Draw button is shown in the top left of a keyword input form, then the keyword entity can be displayed in the graphics viewport (and the keyword editing form will be temporarily minimized). Once an entity has been drawn, additional entities of this type can be selected using the Entity Operation Interface.

  • cbc Shrink Form - Toggles minimizing behavior on/off

Restore Form
 Restore keyword input form
Clear
 Clear all text entries fileds (*CONTROL only)
Pick
 Allows user to pick entities from graphics viewport (see Figure 7)
Accept
 Accept selections and resize Keyword Input dialog
Cancel
 Cancel selections and resize Keyword Input dialog
ResDlg
 Resize Keyword Input dialog
Add
 Begin creating a new card using default values
Accept
 Commit changes to the keyword data in the database
Del/UnD
 This button marks/unmarks the card for deletion from database
Default
 Changes data entries to default values
Done
 Close keyword editing popup window (and accept changes)
Setting
 Allows setting and editing the active subsystem ID tag

cbc Use *PARAMETER - This is related to *PARAM keyword card. In LS-DYNA parameters can be defined, and their names can be referenced through the input file. This capability is typically used when LS-DYNA is in an optimization loop with LS-OPT. Activating this shows if any of the keyword fields have parameters assigned and allows parameter assignments to be made.

  • draw bottom panel
  • Figure 6 - Draw Bottom Panel
  •  
  • pick bottom panel
  • Figure 7 - Pick Bottom Panel

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  • define table
  • Figure 8 - *DEFINE_TABLE

*DEFINE_TABLE:

This is a unique keyword form that allows list data to be plotted.

Replace
 Replace selected data with data in text fields
Insert
 Insert data after the currently selected one
Delete
 Delete the selected data from the list
Help
 Display input help
Plot
 Plot load curve data in current XY-Plot window
Raise
 Raise all open XY-Plot windows

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  • set
  • Figure 9 - *SET

*SET:

This is a unique keyword form that allows manipulation of set data.

Replace
 Replace selected set data with data in text field
Insert
 Insert set data after the currently selected one
Delete
 Delete the selected set data
Help
 Display input help

  • Range List - If there are more than 20 entities in a set, they are grouped in ranges of 10 (1)
  • Set Data List - Previously input set data is displayed (2)

page end
© 2012 Livermore Software Technology Corporation