SysML

MagicDraw/Cameo v19SP3: The display of units can't be disabled on the initialValues compartment for context-specific values, which can lead to inconsistencies when an OpaqueExpression that references value property names is used.

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MagicDraw/Cameo v19SP3: vs SysPhS-1.1: OpaqueExpression for Slot value exports to Modelica as 'null' if only uses a single variable. WORKAROUND/HACK prefix the variable with '1 *' [FIXED in v2021x]

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Webel Parsing Analysis for SysML: Requirements for the Parsing Analysis Container (a.k.a. Snippet)

Keywords

MagicDraw/Cameo v19SP3: vs SysPhS-1.1: Modelica export: Direct binding from a PhSVariable value property within a FlowProperty of a Port to an inner value property does not flatten. WORKAROUND: Use an intermediate constraint property.

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MagicDraw/Cameo v19SP3: Does not support display of context-specific values on a FlowProperty symbol within a Port in an IBD

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06. Connectors

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02. Discrete Behavior

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01. Basic Equations

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Q: What types of simulation, execution, and calculation are available for SysML with MagicDraw/Cameo?

Keywords

There are a number of ways of simulating and executing various aspects of Systems Modeling Language (SysML®), and they are not just novelties! They also really help your models become more robust, logical, and organised.

There is "internal" tool simulation of Activities and StateMachines based on fUML (or variations of it).

Webel: Cameo Simulation Toolkit v19SP3: Could not get ReclassifyObjectAction to work (yet)

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MagicDraw/Cameo v19SP3 vs SysML&SysPhS: Export to Modelica: The exported layout annotations appear to be completely broken (at least vs Wolfram SystemModeler) just de-select generation of them on export.

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MagicDraw/Cameo v19SP3 vs SysML&SysPhS: The sample project for the Humidifier example uses DEPRECATED FlowPorts (and sets values directly on them in the StateMachines).

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MagicDraw/Cameo v19SP3 vs SysML&SysPhS: GOTCHA: Will NOT correctly export a SysML-1.6 «~interfaceBlock» to Modelica (but does cope with a tilde ~ prefix in the name of a plain InterfaceBlock)

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MagicDraw/Cameo vs SysML&SysPhS: GOTCHA: Will NOT export a non-normative System «system» block to Modelica, it only recognises a plain Block «block»!

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Annex A.5: Humidifier (with Units)

GOTCHA: A SysML/SysPhS Connector (or Modelica connection) in an electronics model is NOT a wire! It's a contract between connected Ports.

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Webel vs SysPhS-1.1: Diagramming style: DO NOT recommend overlapping Connectors as shown in 'Figure 38: Internal structure of the circuit example'

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MDSysML/Cameo 19SP3: SysPhSLibrary vs SysPhS-1.1: RealVectorSignalIn2Element extends RealVectorSignalElement not RealVectorSignalInElement, RealVectorSignalOut2Element extends RealVectorSignalElement not RealVectorSignalOutElement (and so on)

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One of the ways Webel IT Australia helps promote tools, technologies, and languages is by donating a lot of time identifying, tracking, and reporting potential issues, in order to help vendors and developers improve the tools and technologies. In some cases, we also offer workarounds and advice for users. All issues tracked on our public site are offered most constructively and with sincerest gratitude to the tool vendors and technology developers.

MDSysML/Cameo 19SP3: Showing stereotype keywords on FlowProperty rows is UNSUPPORTED

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SysPhS-1.1: p.47: 10.12.2 SysML modeling: The states StandBy and On in 'Figure 29: State machine in SysML' should probably use 'entry' not 'doActivity'.

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SysML-16: Taken literally the text and OCL of constraint 'Block::6_valueproperties_composite' imply that every FlowProperty typed by a ValueType should have AggregationKind 'composite'

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MDSysML/Cameo: 19SP3: SysPhSLibrary: Has value properties with aggregation kind 'none'

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MDSysML19SP3: Validation engine does not report value properties with AggregationKind other than composite

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SysML-1.6: Figure 8-17: Redefined properties in Vehicle Model 1 and Vehicle Model 2 break constraint: 'BoundReferences shall not be applied to properties that are related by redefinition to other properties with BoundReference applied'

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11:01: [STUB] Activity modelling extensions in SysML

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If you want to navigate the entire section including the additional explanatory text click on the title link of the first slide to view the full slide page, then use the next links to move through the slide pages. If you just want to view the slide images only in sequence, click on any slide to view it larger in a viewer, then click again to move through each slide in this tutorial trail section.

Webel's Best Practice policy notes for UML and SysML and the MagicDraw/Cameo tools

Keywords
The Webel Best Practice items for SysML (and UML) (tuned for the MagicDraw/Cameo tools) represent the world's most comprehensive guide to robust, fluent, enjoyable, consistent modelling for Model-Based Systems Engineering (MBSE), developed over two decades, and proven to work on extremely demanding real-world projects!

Screencast: Mini tutorial: UML/SysML: Cameo Simulation Toolkit: Send and receive a Signal using a SendSignalAction and an AcceptEventAction

Keywords

Video style

A very simple demonstration of sending a Signal using a SendSignalAction and receiving it with an AcceptEventAction within Activities. Uses SysML but the same applies to UML.

Uses Cameo Simulation Toolkit for MagicDraw SysML and Cameo System Modeler.

© Copyright 2020 Darren R C Kelly (Webel IT Australia). All rights reserved.

Screencast: Mini tutorial: UML/SysML: Cameo Simulation Toolkit: StateMachine with doActivity and a Transition with a ChangeEvent trigger

Keywords

Video style

A very simple demonstration of a StateMachine with a doActivity and a Transition that uses a trigger with a ChangeEvent for checking a value. Uses SysML but the same applies to UML.

Uses Cameo Simulation Toolkit® for MagicDraw SysML and Cameo System Modeler Enterprise Edition.

© Copyright 2020 Darren R C Kelly (Webel IT Australia). All rights reserved.

Alf zone

Keywords

Alf - the Action Language for Foundation UML - is a UML-friendly textual "surface language" intended for use together with fUML. Useful for those tasks in Activity and StateMachine diagrams that don't lend themselves to graphical modelling.

Screencast: Mini tutorial: UML/SysML: Cameo Simulation Toolkit: StateMachine with entry Activity and Transition guard

Keywords

Video style

A very simple demonstration of a StateMachine with an entry Activity and Transitions that use guards to check a value. Uses SysML but the same applies to UML.

Uses Cameo Simulation Toolkit for MagicDraw SysML and Cameo System Modeler.

© Copyright 2020 Darren R C Kelly (Webel IT Australia). All rights reserved.

Giant Magellan Telescope Integral-Field Spectrograph (GMTIFS) zone

Keywords
A Systems Modeling Language (SysML®) port-based light flow model of the Giant Magellan Telescope (GMT) and Giant Magellan Telescope Integral-Field Spectrograph (GMTIFS) instrument was created as part of work for the Advanced Instrumentation and Technology Centre (AITC) within the Research School of Astronomy and Astrophysics of the Australian National University (ANU) in late 2018.
A collated PDF slide set of exported SysML diagrams of this model may be m

Giant Magellan Telescope (GMT) zone

Keywords
A Systems Modeling Language (SysML®) port-based light flow model of the Giant Magellan Telescope (GMT) was created as part of work for the Advanced Instrumentation and Technology Centre (AITC) within the Research School of Astronomy and Astrophysics of the Australian National University (ANU) in late 2018.
A collated PDF slide set of exported SysML diagrams of this model may be made available to prospective consultancy or training clients

Screencast: MagicDraw SysML/Cameo analysis: Possible "gotchas" when extending the SysML Block stereotype

Keywords

Audience: Users of MagicDraw SysML or Cameo Systems Modeler who are experimenting with creating custom stereotypes that extend Block.

This screencast video has been created to demonstrate some issues that can arise if you "naively" create a custom stereotype that extends Block without: (1) closing then re-opening your project; (2) creating an appropriate MD Customization. It is not about any actual "bug" in MagicDraw/Cameo (as long as you follow the recommended procedure). If you watch it, please do watch it to the end to find how to handle such stereotypes properly.

Screencast: MagicDraw SysML/Cameo: Pros and Cons of custom stereotypes in combination with Block inheritance and Part Property structures

Keywords

Audience: Users of MagicDraw SysML or Cameo Systems Modeler who are experimenting with creating custom stereotypes for SysML.

This screencast video has been created to illustrate some pros and cons of using custom stereotypes in combination with Block inheritance and Part Property structures, and demonstrates some possible "gotchas". It concerns especially use of custom stereotypes to indicate: (1) cross-cutting aspects such as model layer membership; (2) use of tagged values to carry per-Element metadata.

MagicDraw UML zone

Keywords
Dr Darren of Webel IT Australia is a long-term MagicDraw® user, and previously worked for the developers No Magic Inc as a consultant and trainer (Expert Advisor for Science, Engineering, and Education).
This zone is primarily about applications of MagicDraw® to software engineering wi