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Simantics System Dynamics
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<h2 id="history">History</h2> <p>The development was initiated by a group of active <a href="/facts/System_dynamics/EPI2wWsI">system dynamics</a> modellers who had needs and ideas for an open toolset. The new needs for features like <a href="/facts/Hierarchy/mYJyqFrG">hierarchical</a> modules, module libraries, <a href="/facts/Collaborative_software_development_model/UUfsAaYY">collaborative</a> model development and efficient model communication in system dynamics together with the development of open source modelling <a href="/facts/Software_framework/EWasA8sG">framework</a> Simantics and simulation environment OpenModelica<a class="footnote-ref" id="fnref:4" href="#fn:4"><sup>4</sup></a> drove the developers to start developing an open source modelling and simulation software for system dynamics.<a class="footnote-ref" id="fnref:5" href="#fn:5"><sup>5</sup></a> </p> <h2 id="features">Features</h2> <p>Simantics System Dynamics has several key features<a class="footnote-ref" id="fnref:6" href="#fn:6"><sup>6</sup></a> </p> Spreadsheets An easy way for importing and managing parameter values are <a href="/facts/Spreadsheet/0cvc1GeB">spreadsheets</a>. They can also be used for storing and maintaining values in familiar format. Experiments Experiments are the way to simulate the model in Simantics System Dynamics. Experiments can exist with different configurations meaning e.g. different initial values for some parameters. Modules Modules enable structural modeling. They are defined just like the basic model configuration but the module component hides the actual configuration. Functions Simantics System Dynamics contains built-in functions and also user-definable functions. Functions can be exchanged via exporting and importing. Charts Charts are user-defined displays of simulation result data. Charts can be used in various places. There are four types of custom charts <ul><li><a href="/facts/Line_chart/dfxLoQls">Line chart</a></li> <li>Sensitivity chart</li> <li><a href="/facts/Bar_chart/EHCXtdeV">Bar chart</a></li> <li><a href="/facts/Pie_chart/SmWhvWpM">Pie chart</a></li></ul> <h2 id="interface-and-usability">Interface and usability</h2> <p>Simantics System Dynamics (as any other Simantics based product) is built on top of <a href="/facts/Eclipse_(software)/YoqHVjas">Eclipse</a> and therefore the <a href="/facts/User_interface/e9sPEWVD">User interface</a> logic follows closely the one introduced in Eclipse. </p><p>Simantics System Dynamics workbench window contains one or more perspective and perspectives contain different views and editors. Views are used to represent data in different ways. Editors are used for the actual modeling.<a class="footnote-ref" id="fnref:7" href="#fn:7"><sup>7</sup></a> </p> <h2 id="simantics-platform">Simantics Platform</h2> <p>Simantics is an open source software platform especially for modelling and numerical simulation. It is a grounding to build a modelling and simulation software or to integrate different software tools. </p><p>Simantics platform utilizes heavily <a href="/facts/Semantic/1L4WwLAP">semantic</a> data driven technique. All the data in the Simantics platform database is described using semantic data models and <a href="/facts/Ontology_(information_science)/SQlhl6lp">ontologies</a>.<a class="footnote-ref" id="fnref:8" href="#fn:8"><sup>8</sup></a> In addition to the database, Simantics platform contains many features and user interface elements that are common to most simulation and modelling tools like diagram editor, symbol library and different kind of experiment and state management.<a class="footnote-ref" id="fnref:9" href="#fn:9"><sup>9</sup></a> </p> <h2 id="external-links">External links</h2> <ul><li><a href="https://sysdyn.simantics.org">Simantics System Dynamics home page</a></li> <li><a href="https://www.simantics.org">Simantics home page</a></li></ul> <h2 id="references">References</h2> <ol> <li id="fn:1"><p>"Simantics System Dynamics homepage". Retrieved 28 August 2014. <a href="http://sysdyn.simantics.org" target="_blank">http://sysdyn.simantics.org</a> <a href="#fnref:1" class="footnote-back-ref">↩</a></p></li> <li id="fn:2"><p>"Open Source System Dynamics with Simantics and OpenModelica" (PDF). Retrieved 26 August 2014. <a href="http://www.systemdynamics.org/conferences/2011/proceed/papers/P1206.pdf" target="_blank">http://www.systemdynamics.org/conferences/2011/proceed/papers/P1206.pdf</a> <a href="#fnref:2" class="footnote-back-ref">↩</a></p></li> <li id="fn:3"><p>"Simantics Licensing". Retrieved 26 August 2014. <a href="https://www.simantics.org/simantics/about-simantics/licensing" target="_blank">https://www.simantics.org/simantics/about-simantics/licensing</a> <a href="#fnref:3" class="footnote-back-ref">↩</a></p></li> <li id="fn:4"><p>"Welcome to OpenModelica - OpenModelica". <a href="https://www.openmodelica.org/" target="_blank">https://www.openmodelica.org/</a> <a href="#fnref:4" class="footnote-back-ref">↩</a></p></li> <li id="fn:5"><p>"Simantics System Dynamics for Business Process Modeling; also Simupedia Concept" (PDF). Retrieved 26 August 2014. <a href="http://www.modprod.liu.se/modprod2013-program/1.433237/Tutorial-3-Abstract-Ylen-BusinessProcessModeling.pdf" target="_blank">http://www.modprod.liu.se/modprod2013-program/1.433237/Tutorial-3-Abstract-Ylen-BusinessProcessModeling.pdf</a> <a href="#fnref:5" class="footnote-back-ref">↩</a></p></li> <li id="fn:6"><p>"Simantics System Dynamics features". Retrieved 28 August 2014. <a href="http://sysdyn.simantics.org/#features-first" target="_blank">http://sysdyn.simantics.org/#features-first</a> <a href="#fnref:6" class="footnote-back-ref">↩</a></p></li> <li id="fn:7"><p>"Introduction to Simantics - End-User Wiki". <a href="https://www.simantics.org/end_user_wiki/index.php/Simantics#Simantics_Concepts_and_Conventions" target="_blank">https://www.simantics.org/end_user_wiki/index.php/Simantics#Simantics_Concepts_and_Conventions</a> <a href="#fnref:7" class="footnote-back-ref">↩</a></p></li> <li id="fn:8"><p>Karhela, Tommi; Villberg, Antti; Niemistö, Hannu (2012). "Open Ontology-Based Integration Platform for Modeling and Simulation in Engineering". International Journal of Modeling, Simulation, and Scientific Computing. 03 (2): 1250004. doi:10.1142/S1793962312500043. <a href="/wiki/Doi_(identifier)" target="_blank">/wiki/Doi_(identifier)</a> <a href="#fnref:8" class="footnote-back-ref">↩</a></p></li> <li id="fn:9"><p>"Introduction to Simantics - End-User Wiki". <a href="https://www.simantics.org/end_user_wiki/index.php/Simantics#About_Simantics_Platform" target="_blank">https://www.simantics.org/end_user_wiki/index.php/Simantics#About_Simantics_Platform</a> <a href="#fnref:9" class="footnote-back-ref">↩</a></p></li> </ol>