finite element modeling Markup Language   

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     History

Developers:

 The femML effort has been initiated on the summer of 2000. Members of the Composite Materials and Structures group at the Naval Research Laboratory and the International Science and Technology Outreach Society.

Current Version:

Version 1.02  is the standard version based on the structure of a traditional FEM input and output file.

Alternative  Version:

Version 2.99b  is a version under consideration to account for some of the issues associated with the potential evolution towards wider semantic compatibility with other efforts.

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    What is femML?
Effort: The finite element modeling Markup Language (femML) is an effort addressing the problems of data interpretation and application interoperability in the Finite Element Modeling domain of activities for model and/or product specification portability.
XML dialect: It is a XML dialect defined in XML like any other XML variant, applied to describing the data structure of FEM data exchange and integration for ubiquitous product/model intra- and inter-application portability.
Specification: It is a specification given in terms of:
  •  UML abstract descriptions of a DTD
  •  Document Type Definition (DTD)
  •  W3C and Microsoft Schemas
Examples: It is a set of examples and custom tools that facilitate the usage, understanding and evolution of the specification.
Acknowledgements: This is an effort that would not have started if there was not evidence that this approach is a workable solution. The historical demonstrations of this evidence has been given by all the nice folks that participated in the XSIL, FieldML and X3D efforts that predated femML. We wish to express our appreciation to all these folks for taking the initiative to go after what they thought it was right. We also want to express our appreciation to the MatML effort participants for pursuing their goals in a way that is very complementary to our effort.

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   Objectives of femML effort
Define a Standard: Define a standard for the exchange of FEM data (including product shape, associated FEM models, material properties and analysis results) that will allow a person or a computer application to interpret and use the data regardless of its source or target and regardless of the taxonomic order of the FEA model

This effort minimally corresponds to defining: 

  • A set of XML Tags,
  • Relationships and constraints on these tags,
  • Document Type Definition (DTD) or/and Schema
Define  Examples: Define and develop a set of examples that follow the standard.
 Develop Tools: Define and develop a set of tools for the utilization of this standard from and to other applications. Also evelop examples of using these tools.
Develop a framework: Develop a long-term framework for utilization of legacy RDBMS systems, 3D visualization viewer systems, and light-wait asynchronous processes architectures (i.e. agents), for achieving a truly distributed and transparent capability to utilize FEM techniques in highly functional, economical, and ubiquitous manner.

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   Working Group
Structure: This is the group of people that have recognized the needs behind the development of femML and have worked to design, develop and evangelize for it.
Developer: John Michopoulos, President, founder  and senior developer of ISTOS.ORG and Senior Research Scientist of the Composites Materials and Structures group at the Naval Research Laboratory.
 Member:

Hugh Alan Bruck , Assistant Professor , Department of Mechanical Engineering University of Maryland .

 

Ed Begley , leader of the MatML effort, National Institute of Standards and Technology

Member: Gil Kaufman, MatML steering committee.

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Page last edited on04/22/2002