***** To join INSNA, visit http://www.insna.org ***** Dear Chai Choon-Lee I would recommend that, rather than pursue an SNA solution (if there is one), you look at System Dynamics. This explores the dynamics of flows and the accumulation and dissipation of resources (or stocks as they are called) over time. You indicate this is what you are wanting to do. There are a number of sftware packages: Stella or IThink, Vensim, and Powersim are the most popular: the first two are basically the same product, but are aimed at the schools/education market and the commercial market respectively. There are student and run-time only versions from publisher's web sites. THE text at present is Sterman. J, 2000,"Business Dynamics: Systems Thinking and Modelling for a Complex World", McGraw-Hill. A more approachable text is Maani, K. E. and Cavana, R. Y., 2003, "System Thinking and Modelling", Pearson Education. Both books come with CDs holding models in the various s/w packages as well as run-time versions of the software. And I would recommend, even though it is designed for K12 schools in the US, the site www.clexchange.org. This has some superb introductory papers, and models showing "simulation" possibly to undergrad level. Then you can make an informed decision! Best wishes .. Roy Greenhalgh Quoting Chai Choon-Lee <[log in to unmask]>: > ***** To join INSNA, visit http://www.insna.org ***** > > Hello, > > I am new to SNA. I am working on an engineering project that studies the > interdependency among critical infrastructures, such as electricity, water, > hospital, telecommunication, power plants, etc. I am exploring the > possibility > of using SNA software to simulate infrastructure interdependency. > > Infrastructure interdependency gives rise to an infrastructure > network. In this > project, apart from studying the structural characteristics of infrastructure > network, such as centrality etc., I am wondering if there is any SNA software > that can be used to simulate, for instance, the material/info/energy flows > between infrastructures during an emergency/disaster situation? > > From my shallow reading of SNA, I get a sense that SNA deals less > with dynamic > situations where different variables change as time goes by. For > instance, in a > disaster situation, medical supplies/hospital beds/food, etc. run down as the > clock ticks, can we use SNA software to simulate this? > > Sorry if my questions sound silly. Thank you for your time. > > Sincerely, > > Choon-Lee Chai > Dept of Sociology > University of Saskatchewan > > _____________________________________________________________________ > SOCNET is a service of INSNA, the professional association for social > network researchers (http://www.insna.org). To unsubscribe, send > an email message to [log in to unmask] containing the line > UNSUBSCRIBE SOCNET in the body of the message. > _____________________________________________________________________ SOCNET is a service of INSNA, the professional association for social network researchers (http://www.insna.org). To unsubscribe, send an email message to [log in to unmask] containing the line UNSUBSCRIBE SOCNET in the body of the message.