Section 3: Case Control

The Case Control Section performs the following basic functions:

• Selects loads and constraints.
• Defines the contents of the Model Results Output File.
• Defines the output coordinate system for element and grid point results.
• Defines the subcase structure for the analysis.

Case Control Command Descriptions

Case Control commands may be abbreviated down to the first four characters provided the abbreviation is unique relative to all other commands. Each command is described as follows:

Description

A single sentence Description is given which states the function of the Case Control command.

Format

The command syntax is defined under Format. Listed options are further described under Option. The following conventions are used:

• Options in uppercase are keywords that must be specified as shown.
• Options in lowercase indicate that the user must provide a value.
• Parentheses ( ) must be included if an option requiring them is specified.
• Brackets [ ] indicate that specifying an option is not required.
• Braces { } indicate that specifying an option is required.
• If the command line is longer than 80 columns, then it may be continued to the next line with a comma. For example:

  SET 12 = 15, 16, 17, 28, 39,

  100 THRU 556

Example

A typical example is given under Example.

Option, Definition, Type, and Default

Each option is listed under Option and briefly discussed under Definition. The option’s type (e.g., Integer, Real, or Character) and allowable range are specified under Type. If the field has a default, then it will be given under Default. The default option is annotated with a ✓ symbol. If user input is required, then "Required" will be specified.

Remarks

Additional information about the command is given under Remarks.