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Description: This group discusses topics related to the Systems Modeling Language (SysML) and OMG SysML(tm). SysML is a dialect of UML that is customized for systems engineering applilcations. For more information visit www.SysMLforum.com.
 

Instances - an example to talk about 
  Hi all I am, for my night job, working on a dissertation aimed at creating a Network Design Modelling Language (NDML). Some of you have seen my earlier posts about instances, and no doubt enjoyed the related discussions :-) I felt that it would be useful to anchor such discussions with an "real world" example, so I have created one using MagicDraw and attached it, and a... more »
By nsowatsk  - Nov 6 - 1 new of 1 message    

Ports and (Internal) block diagrams 
  Hello, I am a little bit new on sysML, I hope you'll forgive me to query on a basic question. I try to modelize a system, allocated on several centres. Centre A and centre B. Centre A is divided into 2 parts : Part A1 and Part A2 Centre B is divided into 2 parts : Part B1 and Part B2 On a logical point of view, A1 communicates with B1 and A2... more »
By Frederic  - Nov 6 - 2 new of 2 messages    

Target of CallOperationAction 
  Hi, i modelled a procedure of my system through an activity diagram. i use a callAperationAction and as target, i want to chose an instance of block of my model. i explain: Example: my system is a car with four wheels ( rigthFrontWheel, rigthBackWheel, leftbackwheel, leftFrontWheel), to model this, i draw... more »
By Frank  - Nov 6 - 2 new of 2 messages    

Block Definition Diagram query 
  Hi, In my Block Definition Diagram, the input parameters and the return type of a Operation must be XML. The input parameters and the return type may have different XML structure (i.e they use different XML schema). What is the best way to model this ? If I use primitive type "String" for input and return type this doesn't capture the structure of the... more »
By Vikas  - Oct 27 - 1 new of 1 message    

Lack of complete Instance semantics in SysML 
  ...Actually, it's more ironic than odd. During the time when the two SysML submission teams were actively competing Instance syntax/semantics was a key design issue on which they seemed to agree at a high level. Indeed, the SysML Partners planned to incorporate Instance syntax/semantics in the next (beta) version of their specification.... more »
By edi...@uml-forum.com  - Oct 25 - 3 new of 3 messages    

Stakeholder Diagram 
  In SysML How to Draw Stakeholder Diagram
By Suresh  - Oct 24 - 2 new of 2 messages    

Composition hierarchy questions 
  Some questions regarding composition hierarchy. I will refer to figures in "A Practical Guide to SysML" to help explain the questions. There seem to be two ways to model composition hierarchy. One can use a composite association between the whole and the part in a block definition diagram as shown between Camera and Mount Assembly in... more »
By Paul Ebert  - Oct 21 - 2 new of 2 messages    

Ports and instances 
  Hi all I am working on a project to see if I can use SysML/UML to define network elements, and then use instances of network elements in a network design. Creating network elements as blocks with ports with types like "Switch" and "Ethernet" port is relatively straightforward. I then create instances of those Switch types, expecting to see aninstance... more »
By nsowatsk  - Oct 21 - 6 new of 6 messages    

Multiple element instances in a deployment diagram 
  Hello Paul, The questions you pose conflate modeling language and tool issues, so in my reply I will endeavor to separate the two. ... First, we need to clarify that Deployment diagrams are part of the UML language rather its SysML dialect, where SysML is defined as a UML Profile. (For this reason I am cc-ing my response to the UML Forum, so... more »
By edi...@sysmlforum.com  - Oct 14 - 11 new of 11 messages    

Multiple element instances in a deployment diagram 
  I would like to be able to have multiple instances of an element (node, device, etc.) in a deployment diagram (for example, multiple client stations connected to a server). I am using EA and it, at least, will not let me do so. Is there a way to get around this or do what I want to do? I'd also like to represent two (or more) environments separated by... more »
By Paul Ebert  - Oct 14 - 1 new of 1 message    

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