Tractor-semitrailer web site help: Model/Define

The Defined unit located in the drop line menu under the horizontal menu's Model tab offers data briefs from the DEFINE LS-DYNA keyword. Data queries are conducted on the selected model. Current model selection is indicated in the page title with the name of the FEM model source file name. Model selection can be made through the Model's Selection tab.

Definition entries are grouped into curves and tables. Each group can be easily reached from the vertical navigation menu located at the left-hand side of the page. Current selection is highlighted in separate color.

Essential information about curve and table definitions used in the selected model is displayed in tabular format with each definition filling one data row. The data is appropriately linked to related model content.

Definition specifics can be reached by following the identification number link, or by selecting the checkbox adjacent to the identification number and then clicking on the Submit Query button located below the table(s). The latter approach is convenient for simultaneous selection of several definitions.

In definition specifics the essential data for the chosen definition(s) is accompanied with

• Tabular presentation of definition entries (Table),

and access to:

• Excerpt from the FEM model source file (Input Lines),
• Graphical presentation of the data (Graph),
• LS-DYNA's User's Manual displaying the chosen keyword entry.

Appropriate entries from the LS-DYNA DEFINE keyword are listed in tabular format:

• curve definition: the table contains abcissa and ordinate values defining the curve,
• table definition: each table row is composed of a value and its matching curve.

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Excerpt from the FEM model source file containing the chosen definition entry is accessible through the Input Lines link. A popup window shows the chosen definition entry conveniently numbered such that numbers correspond to the FEM model source file lines.

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Graphical representation of a single curve or a set of curves grouped into a table definition can be reached through the Graph link. The graph appears in a popup window.

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Help from the LS-DYNA User's Manual can be reached through the Manual link. A popup window opens the manual at the specific keyword entry. A pdf reader is required for viewing.

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