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CRAY RESEARCH VERSION OF ASPENTECH'S SPEEDUP IS FIRST DYNAMIC CHEMICAL PROCESS SIMULATOR AVAILABLE ON SUPERCOMPUTERS

 CRAY RESEARCH VERSION OF ASPENTECH'S SPEEDUP IS FIRST DYNAMIC
 CHEMICAL PROCESS SIMULATOR AVAILABLE ON SUPERCOMPUTERS
 DuPont, First To License New Software System, Achieves
 Significant Productivity Increases With Product
 EAGAN, Minn./CAMBRIDGE, Mass., March 24, /PRNewswire/ -- Companies will be able to design chemical processes more efficiently and increase the safety and performance of chemical and other processing plants, thanks to a new supercomputer-level software system announced today by Cray Research, Inc. (NYSE: CYR), and Aspen Technology, Inc. (AspenTech).
 AspenTech's equation-based dynamic process modeling and optimization system, SPEEDUP(R), is now available on Cray Research's full CRAY Y-MP product line. The Cray Research version of SPEEDUP is the only commercial dynamic process simulator available on supercomputers. AspenTech's widely used steady-state simulator, ASPENPLUS(R), has been available for the past two years on Cray Research systems.
 E.I. DuPont De Nemours & Co., Inc., is the first customer to purchase a license for this new supercomputer version of SPEEDUP. DuPont, the first chemical company to acquire a Cray Research supercomputer in 1986, strongly supported Cray Research and AspenTech's efforts to port the software to the
Cray Research platform. The company has been using the Cray Research version of SPEEDUP since August, 1991, for chemical plant design and plant operations.
 "DuPont process engineers are already seeing productivity increase by factors of 50 with the use of SPEEDUP on our CRAY Y-MP supercomputer, as opposed to using SPEEDUP on our mainframe computer systems," said David Filkin, a senior consultant of applied mathematics at DuPont. "We see dynamic simulation as increasingly important in process design and plant operation.


This supercomputing technology enables us to dramatically expand our range of process simulation analysis and optimization to ensure we obtain the best process design and operating conditions to meet the production level, safety requirements, and environmental conditions for DuPont's chemical process plants."
 AspenTech's SPEEDUP software is used for dynamic and steady-state simulation, optimization, data reconciliation, and parameter estimation. Dynamic simulations are based on equations that involve time-dependent variables. SPEEDUP provides a continuous view of a process in action by calculating the transient behavior of processing plants over time. Dynamic simulations with SPEEDUP include designing chemical process control strategies; predicting the effect of process disturbances and fluctuating economic conditions on overall plant performance; and providing a realistic environment to train operators on how to respond to a full range of operating conditions.
 "By combining the computational power of Cray Research systems with the advanced dynamic simulation capabilities of SPEEDUP, engineers will now be able to solve complex, full plant models that were previously intractable for mainframes and workstations," said Ed Masi, executive vice president of
marketing for Cray Research. According to Masi, this capability on Cray Research supercomputers will benefit numerous industries including chemical, petrochemical, gas processing, oil refining, inorganics, pharmaceuticals, nuclear energy, electric power, minerals, pulp and paper, food processing and waste and water treatment.
 "AspenTech is working with Cray Research to optimize critical portions of SPEEDUP to fully exploit the vector/parallel processing capabilities of Cray Research systems," said Herb Britt, vice president of product management, AspenTech. "Future releases of SPEEDUP on Cray Research systems will feature substantially enhanced abilities to make plantwide dynamic simulation and optimization a reality for the most demanding industrial projects."
 In addition, Cray Research and AspenTech are sponsoring six university R&D licenses for the Cray Research version of SPEEDUP. To date, licenses have been awarded to University of Texas at Austin and the University of South Alabama, both of which have access to Cray
Research systems. This R&D program will help engineering students gain experience with equation-based dynamic simulation methods for chemical processing problems.
 AspenTech was founded in 1981 to help companies make better engineering and business decision through the use of process modeling technology. AspenTech's products are use by over 300 companies worldwide, including nine of the ten largest chemical companies in the world.
 Cray Research, Inc. creates the most powerful, highest-quality computational tools for solving the world's most challenging scientific and industrial problems.
 -0- 3/24/92
 /CONTACT: Mardi Schmieder of Cray Research, 612-683-3538, or Mary Deery of Aspen Technology, 617-497-9010
 (CYR) CO: Cray Research, Inc.; Aspen Technology, Inc. ST: Minnesota; Massachusetts IN: CPR SU: JVN


KH -- MN001 -- 0832 03/24/92 06:00 EST
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Date:Mar 24, 1992
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