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STELLA (short for Systems Thinking, Experimental Learning Laboratory with Animation; also marketed as iThink) is a visual programming language for system dynamics modeling introduced by Barry Richmond in 1985. The program, distributed by isee systems (formerly High Performance Systems) allows users to run models created as graphical ...
the systems modeling, analysis, and design efforts; the systems modeling and simulation, such as system dynamics; any specific systems modeling language; As a field of study systems modeling has emerged with the development of system theory and systems sciences. As a type of modeling systems modeling is based on systems thinking and the systems ...
System dynamics is a methodology and mathematical modeling technique to frame, understand, and discuss complex issues and problems. Originally developed in the 1950s to help corporate managers improve their understanding of industrial processes, SD is currently being used throughout the public and private sector for policy analysis and design.
Interactive process simulation software with support for manufacturing, healthcare and supply chain. 2D and 3D visualization with VR capability Simantics System Dynamics: Free, Eclipse Public License (EPL) Java, Modelica: 2018 Free and open source system dynamics modelling software with stock and flow modelling, hierarchical models and array ...
Critical systems thinking, including the E P I C approach. Ontology engineering of representation, formal naming and definition of categories, and the properties and the relations between concepts, data, and entities. Soft systems methodology, including the CATWOE approach and rich pictures. Systemic design, for example using the double diamond ...
The development was initiated by a group of active system dynamics modellers who had needs and ideas for an open toolset. The new needs for features like hierarchical modules, module libraries, collaborative model development and efficient model communication in system dynamics together with the development of open source modelling framework Simantics and simulation environment OpenModelica [4 ...
AnyLogic models can be based on any of the main simulation modeling paradigms: discrete event or process-centric (DE), [74] systems dynamics (SD), [75] and agent-based (AB). [ 7 ] System dynamics and discrete events are traditional simulation approaches, agent based is a newer one.
The systems modeling language (SysML) [1] is a general-purpose modeling language for systems engineering applications. It supports the specification, analysis , design , verification and validation of a broad range of systems and systems-of-systems .