Status of the ISO-STEP Initiative for CGNS-Based Fluid Dynamics Standard

Presented to the AIAA CGNS Subcommittee
January 9, 2001

Raymond R. Cosner
Senior Technical Fellow
Boeing, Phantom Works
St. Louis, MO
(314) 233-6481
Raymond.R.Cosner@Boeing.com

What Is STEP?

STEP Approach

Four Levels of Exchange

Differences between ISO-STEP and CGNS

ISO-STEP is based on ...

Major Events

Since previous committee meeting, June 2000

ISO Organization

Chart showing ISO heirarchy related to CGNS

Structure of the Fluid Dynamics Standard

Chart showing elements of the Fluid Dynamics Standard

STEP Standards Development Life Cycle

Approval Process

Operating Relationships