Ignoring Clashes Within Specified Element Types

Model Reference Manual

Clash Detection : Ignoring Clashes Within Specified Element Types

Ignoring Clashes Within Specified Element Types

By default, no checks are made for clashes between items owned by the same Structure, Substructure, or Equipment. In addition, use the NOCHECK and WITHIN commands to tell MODEL to ignore all clashes within one or more other specific types of element.

All clashes below each element of the specified types will be ignored during the checking operation, whatever the hierarchic level of the clashing items. Clashes specified in this way are ignored during the actual clash-checking operation and are not therefore available in memory for inclusion in subsequent output reports.


Examples:
NOCHECK WITHIN BRAN	Ignores clashes within individual Branches (but still reports clashes between items in different Branches).
NOCHECK FRMW	Ignores clashes within individual Frameworks (but still reports clashes between items in different Frameworks).
WITHIN FRMW	Restores clash checking within Frameworks; that is, it cancels a previous NOCHECK FRMW command.
WITHIN EQUI	Restores clash checking within individual items of Equipment (which are not checked by default).

Command Syntax:

>---+--- NOCheck ---+--- WIThin ---.
    |               |              |
    |               ‘--------------+  .----<------.
    |                              | /            |
    ‘--- WIThin -------------------+-*-- <sig> ---+--->

where <sig> (significant element) is any of the following:


SITes	ZONes	PIPes	BRAnches	EQUipments
STRuctures	SUBStructures	HANGers	RESTRaints
PTRacks	FRMWorks	SBFRMworks

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