There is Capella which is a tool (software) and method to design systems. It used the Arcadia method (mbse). It is quite extensible. I don't understand how you

There is Capella which is a tool (software) and method to design systems. It used the Arcadia method (mbse). It is quite extensible. I don't understand how you can write an article about system design without mention to enterprise architect or Capella. I've read this as "we need to come up with a solution that already exists".