Workshop on Cyber Infrastructure in Combustion Science April 19-20, 2006 Subrata Bhattacharjee and Christopher Paolini Mechanical Engineering Department San Diego State University A Cyber-Based Collaborative Framework for Thermodynamic Education and Research

Workshop on Cyber Infrastructure in Combustion Science April 19-20, 2006 Outline Demonstration of TEST (thermofluids.net) as an educational tool. How such a tool used by thousands of students, educators, and professionals can benefit from the cyber infrastructure. Web service and how our work can benefit the educational and research community Ongoing and future work

Workshop on Cyber Infrastructure in Combustion Science April 19-20, 2006 TEST – The Expert System for Thermodynamics A web based educational tool for students, educators, and professionals. It is a cross-platform visual environment for solving thermodynamic problems and pursuing what-if scenarios. It has a large user base – more than 1000 registered educators, and 10,000 students and professionals. It is freely accessible to all academic institution.

Workshop on Cyber Infrastructure in Combustion Science April 19-20, 2006 TEST Home Page - thermofluids.net

Workshop on Cyber Infrastructure in Combustion Science April 19-20, 2006 Multimedia Problems

Workshop on Cyber Infrastructure in Combustion Science April 19-20, 2006 A Large Selection of Solvers (Daemons)

Workshop on Cyber Infrastructure in Combustion Science April 19-20, 2006 Simplification

Workshop on Cyber Infrastructure in Combustion Science April 19-20, 2006 The Open Steady Daemon

Workshop on Cyber Infrastructure in Combustion Science April 19-20, 2006 A Combustion Problem

Workshop on Cyber Infrastructure in Combustion Science April 19-20, 2006 Open Steady Combustion Daemon

Workshop on Cyber Infrastructure in Combustion Science April 19-20, 2006 Equilibrium Daemon – Set Up Species

Workshop on Cyber Infrastructure in Combustion Science April 19-20, 2006 Equilibrium Daemon – Evaluate States

Workshop on Cyber Infrastructure in Combustion Science April 19-20, 2006 Equilibrium Daemon – Products Composition

Workshop on Cyber Infrastructure in Combustion Science April 19-20, 2006 A Framework for Community Computing Convert stand-alone application into client/server and ultimately to peer-to-peer model – improve speed. Users can contribute new data and make it immediately available to others. Web service for speed – distributed parallel computing in a grid. Web service for versatile use of our code. Published through WSDL and located by UDDI, your computer may find our publicly available methods and data on equilibrium. Like the peer-to-peer song search.

Workshop on Cyber Infrastructure in Combustion Science April 19-20, 2006 Standalone Software Architecture The “old” way: provide self-contained software applications to end users. Inflexible: new and experimental thermo- chemical data can not be added by one remote user and used by another remote user in real time.

Workshop on Cyber Infrastructure in Combustion Science April 19-20, 2006 Service Oriented Architecture (SOA) Service Oriented Architectures extend the benefits of object oriented programming to the network - reusability, flexibility, interoperability, scalability.

Workshop on Cyber Infrastructure in Combustion Science April 19-20, 2006 Client/Web Service Communication

Workshop on Cyber Infrastructure in Combustion Science April 19-20, 2006 UDDI: Web Service Discovery

Workshop on Cyber Infrastructure in Combustion Science April 19-20, 2006 Web Services – Technologies and Tools An abundance of tools and technologies exist for the development of collaborative, networked engineering applications using Web Services Web Server, J2SE, Apache Axis, etc. Web Service Layer Java Equilibrium Codes, IDE, etc.

Workshop on Cyber Infrastructure in Combustion Science April 19-20, 2006 Conclusions TEST is freely accessible from Equilibrium daemon is one of the many thermodynamic calculators (applets). Ability for user to upload data and make it available to others – work in progress. Extend the codes to include multiple phases – future plan. Migrate to web service architecture for speed and community computing – future plan.

Workshop on Cyber Infrastructure in Combustion Science April 19-20, 2006 Web Service Related Abbreviations XML: standard language for describing data that is exchanged over a network. SOAP: a protocol based on XML for transmitting data in a distributed computing environment. JAX-RPC: a freely available Java API that allows a Java client to call web service methods in a distributed computing environment using SOAP based XML messages. Hides the complexity of SOAP from the developer. Automatically generates the proper SOAP message when invoking a remote method from a web service. Provides a mapping tool named wscompile that automatically generates the WSDL file from a JAX-RPC service definition. SAAJ: a freely available Java API for generating and sending SOAP messages. Used by JAX-RPC to create and send SOAP messages synchronously (send and wait for reply) or asynchronously (send and continue). JAXP: a freely available Java API for processing XML documents. JAXR: a freely available Java API for accessing UDDI registries. Used by clients to discover web services by querying JAXR providers. JAXR providers then query registry providers who respond back to the JAXR provider. The JAXR provider transforms the registry provider response into a JAXR compliant response so it can be interpreted by the JAXR client. JAXB: a freely available Java API that provides a mapping from an XML document to a set of Java classes and interfaces based on the XML document's schema. A benefit for developers since JAXB enables an application to operate with Java content and not with XML data. WS-Security: provides security enhancements such as authentication and integrity in SOAP messages sent between a client and web service.