Tag: SysML

Logo OMG Systems Modeling Language (OMG SysML)

What’s new in SysML 1.5 – Overview

This blog post series presents the changes of the SysML version 1.5 that are relevant for modelers. I skip those changes that only affect the specification document like typos or rewordings. You may also be interested in the blog post series about the changes in the SysML version 1.4. The first part of this blog…
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SysML 1.4 Reference Card for Enterprise Architect

SparxSystems Enterprise Architect modelling tool version of SysML 1.4 Reference Cards available in English and French

A post by guest author Guillaume Finance: SysML 1.4 reference cards are now available with diagrams defined with Enterprise Architect modelling tool from Sparx Systems. This alternative version, available in English and French, has been shared by Guillaume Finance. You can download the reference cards from the download section. Note: SysML is available in the Systems Engineering and…
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The Myth of the Association

The association is a strange model element. And many myths about the association are going around. For example, think of all the discussions about the meaning and difference of aggregation and composition. Did you know that the concepts of aggregation and composition have not much to do with associations? I will not explain the association…
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SYSMOD book cover

New book: SYSMOD – The Systems Modeling Toolbox – Pragmatic MBSE with SysML

I am happy to announce my new book about SYSMOD. SYSMOD is a MBSE toolbox for pragmatic modeling of systems. It is well-suited to be used with SysML. The book provides a set of methods with roles and outputs. Concrete guidances and examples show how to apply the methods with SysML. Today SYSMOD or more specifically customizations…
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Logo OMG Systems Modeling Language (OMG SysML)

Here it is! SysML 1.4

Recently I’ve asked Where is SysML 1.4? Due to some formal problems it took a long time to make an official publication of the new version SysML 1.4. The work on the SysML 1.4 was completed a long time ago. Now SysML 1.4 is officially published. You find the specification on the OMG server: https://www.omg.org/spec/SysML/1.4/ . I’ve…
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Logo OMG Systems Modeling Language (OMG SysML)

Where is SysML 1.4

Recently I have finished my blog post series about the changes of SysML 1.4. Unfortunately, SysML 1.4 is still not officially published yet. I was a member of the SysML 1.4 revision task force of the OMG that has compiled the new SysML version. We have analyzed the issues that were filed against SysML, elaborated…
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SysML Diagram Interchange Architecture

What’s new in SysML 1.4 – SysML Diagram Interchange

The Diagram Definition (DD – previously known as Diagram Interchange (DI)) is a format to exchange diagram data between tools. The data about diagrams is separated from the data about the model information. The interchange format for the model data is XMI (XML Metamodel Interchange; see XMI specification page). The following figure depicts the whole…
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SysML Block FFDS with behavior compartments

What’s new in SysML 1.4 – Several minor changes to the block and port concept

The sixth part of the blogpost series about the changes in SysML 1.4 presents the updated concepts for blocks and ports. The new concept of bound references is already covered in the special blogpost What’s new in SysML 1.4 – Constraining decompositions. Behavior Compartment A SysML block can own behaviors. For instance a state machine…
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What’s new in SysML 1.4 – Units

The fifth part of the blogpost series about the changes in SysML 1.4 presents the updated concept of units. But first, a big sorry for being quiet for such a long time. But better be quiet than posting spam. I hadn’t enough time to continue my series about the news and updates of SysML 1.4…
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Binding of bound references

What’s new in SysML 1.4 – Constraining decompositions

The fourth part of the blogpost series about the changes in SysML 1.4 presents the new concept to constrain a decomposition hierarchy. The following figure shows a simple product tree of a drone subsystem (DS) for a forest fire detection system (FFDS). It is the sample system I’ve also used in some previous posts. The…
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