SYSML16 — Provide support to capture engineering quantities and support intricate calculations

There is no SysML 1.6 RTF jira project yet, so I submit here.
There is the need to capture engineering quantities and support intricate calculations than the base SysML semantics do.
it might be worth formulating to SysML 1.6 to get initial capability while refining the approach for SysML 2.
The attached proposal has been worked out with Bjorn Cole during OMG meetings.

Out of scope for SysML RTF

This is partially already addressed by MARTE.
Decide how to address it in MARTE2 and SysML20 and find agreement among them how to handle this features in uipcoming meetings. Also relevant for Precise Semantics of Time WG,
Trace it to those three.

Out of scope for SysML RTF.