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bok:eng:mbse:sysml:adapting-sysml
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bok:eng:mbse:sysml:adapting-sysml [2020/07/07 14:03] anwlur created |
bok:eng:mbse:sysml:adapting-sysml [2020/11/19 13:17] (current) anwlur [Process] added information on model libraries |
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| ===== Methodology ===== | ===== Methodology ===== | ||
| - | ==== Process ==== | + | ==== Process - Profiles ==== |
| + | |||
| + | An established process((C.Paredis and T. Johnson, "Using OMG's SysML to support simulation" Proceeding of the 2008 Winter Simulation Conference (2008))) to create profiles is laid out below: | ||
| + | - Create a metal-model for the specific domain that is being integrated. This could be done with the use of an [[bok:eng:mbse:ontology|ontology]]. | ||
| + | - Create a SysML profile that will map the meta model to SysML stereotypes | ||
| + | - Create a transformation map between the meta model and SysML profile's entities | ||
| + | - For each transformation include the corresponding API call to the domain specific tool | ||
| + | |||
| + | For an examination of applying SysML to other languages such as Modelica see [[bok:eng:mbse:sysml:integrate-sysml-other-languages|Integrating SysML with other languages]]. | ||
| If language modeler wants to make the use of a particular profile mandatory then the relationship between the model and the profile shall be **required**. | If language modeler wants to make the use of a particular profile mandatory then the relationship between the model and the profile shall be **required**. | ||
| + | ==== Process - Model Library ==== | ||
| + | |||
| + | Model Libraries are useful if the modeler wants to takes parts 'off-the-shelf' rather than re-create them. Should only be used for parts that will be re-used. | ||
| + | |||
| + | To merge a maintained XMI file (e.g. a standard item type model library) do the following: | ||
| + | - Select the package that you want the model library to be a child of (e.g. if intended model hierarchy is 'Overview/Standard Item Type', and your XMI package top directly is 'Standard Item Type' then select 'Overview' package in your target model | ||
| + | - Publish -> Model Exchange -> Import XMI -> Import Package from XML... | ||
| + | - Select your source XMI -> Import | ||
| ===== Parts ===== | ===== Parts ===== | ||
| + | ==== Metamodel ==== | ||
| + | |||
| + | * Metamodel is a model of a modelling language | ||
| + | * It consists of concrete syntax, abstract syntax and semantics. | ||
| + | * **Concrete syntax**: Facilitates the presentation and construction of models | ||
| + | * **Abstract syntax**: Vocabulary of concepts provided by the language and how they may be combined to create models. Shown in //italics//. Abstract syntax deals solely with the form and structure of concepts in a language without any consideration given to their presentation or meaning ((Clark, Sammut & Williams, "Applied Metamodeling", Middlesex University London (2008) 2nd edition)) | ||
| + | * **Semantics**: Forms relationships between syntax to give them meaning. | ||
| ==== Profiles ==== | ==== Profiles ==== | ||
| Line 28: | Line 51: | ||
| ==== Stereotypes ==== | ==== Stereotypes ==== | ||
| + | |||
| + | <WRAP center round info 60%> | ||
| + | Images in this section are copied from T. Weilkiens, "Systems Engineering with SysML/UML" MK Press (2006). | ||
| + | </WRAP> | ||
| * Stereotypes are collected in Profiles (which is a specialization of Package). | * Stereotypes are collected in Profiles (which is a specialization of Package). | ||
| * Stereotype **extends** metaclass (a construct of SysML, e.g. "Block"). This extension relationship is a specialization of the association relationship. | * Stereotype **extends** metaclass (a construct of SysML, e.g. "Block"). This extension relationship is a specialization of the association relationship. | ||
| + | |||
| + | {{:bok:eng:mbse:sysml:adapt:extend.png?300| }} | ||
| + | |||
| + | //Example of extending a metaclass with a Stereotype. Note the black arrow// | ||
| + | * Stereotypes can also specialize other stereotypes | ||
| + | {{:bok:eng:mbse:sysml:adapt:generalization.png?400 |}} | ||
| + | |||
| === Properties of Stereotypes === | === Properties of Stereotypes === | ||
bok/eng/mbse/sysml/adapting-sysml.1594130595.txt.gz · Last modified: 2020/07/07 14:03 by anwlur
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