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CHEMKIN-CFD: Now Available at No Cost to ANSYS FLUENT Users Via Partnership Between Reaction Design and ANSYS, Inc.


ANSYS

Newly available chemical kinetics modeling module eliminates speed/accuracy tradeoffs in combustion, aftertreatment and materials chemistry applications

San Diego, CA – June 2, 2009 – Reaction Design®, the clean technology chemistry leader, today announced a strategic relationship with ANSYS, Inc. (NASDAQ: ANSS) The agreement calls for Reaction Design to deliver to ANSYS customers a new ANSYS® FLUENT® optimized version of CHEMKIN-CFD™, an advanced chemistry simulation technology that efficiently and robustly couples accurate chemical kinetics to flow simulations Available to ANSYS FLUENT licensees for free, CHEMKIN-CFD, coupled with ANSYS FLUENT technology, facilitates highly accurate combustion and emissions analysis for automotive engine or industrial power generation designs.

In the energy, transportation, and chemical process sectors, today’s challenges of increased fuel flexibility, high-efficiency demands, and emissions reductions, coupled with a difficult economy, set the stage for an increased role for accurate simulation. In the current economic climate, efficiency of design and operation are paramount for the successful system designer. Commercial combustion firms and materials manufacturers recognize that achieving low-emissions design, improving productivity and increasing performance require incorporating more detailed chemistry in their simulations. Using engineering simulation effectively in design workflows can enhance designer ingenuity, reduce development costs, and improve speed to market.

“In today’s world, the ability to accurately predict the effects of detailed chemistry in combustion or catalytic systems is critical. However, past technology solutions have forced engineers to make tradeoffs between accuracy and time to results,” said Bernie Rosenthal, CEO of Reaction Design. “Our joint solution with ANSYS provides engineers a fast, no-cost, highly predictable solution that meets complex simulation requirements throughout combustion, aftertreatment and materials applications — thereby reducing the need to make the risky accuracy versus speed tradeoff.”

\"Reaction Design’s contributions to the development of clean technology combustion systems and fuels through the application of detailed chemistry is well recognized, and it is with great pleasure that we elevate our partnership with such a technology leader,” said Dipankar Choudhury, vice president of corporate product strategy and planning at ANSYS, Inc. \"CHEMKIN-CFD helps ANSYS FLUENT users improve their understanding of complex reacting flows and chemistry. The combined power of these leading technology solutions from both ANSYS and Reaction Design deliver exceptional computational speed needed to accurately simulate behavior of complex designs while providing an in-depth understanding of flow and chemistry. Significant speed improvements have been realized relative to earlier releases of this joint solution.\"

Traditional computational fluid dynamics (CFD) solution algorithms use an iterative process to arrive at convergence for all the momentum, energy, species and mass conservation equations in a 3-D model. If the chemistry is stiff (as it is in most combustion simulations and surface-catalytic systems), such an approach can lead to instabilities that dramatically increase simulation run times. Reaction Design’s CHEMKIN-CFD employs a proprietary solver technology to speed up simulation with high levels of accuracy. Specifically designed to handle stiff gas-phase and gas-surface chemistry, CHEMKIN-CFD, together with ANSYS FLUENT, solves species and energy conservation equations in a closely coupled manner for both transient and steady-state problems. Within a flow simulation, the ANSYS FLUENT optimized version of CHEMKIN-CFD solves coupled conservation equations at every cell (or grid point), at every iteration and at every time-step. ANSYS FLUENT software then performs transport calculations over all grid points, optionally using the transport properties provided by CHEMKIN-CFD. In this scenario, the combination of ANSYS FLUENT and CHEMKIN-CFD allows robust convergence and accurate resolution of chemistry terms for complex reaction mechanisms.

“Reaction Design is very much looking forward to elevating our relationship with ANSYS. As a leader in their field, we look forward to providing their ANSYS FLUENT users with a solution that is finely tuned to perform precise chemical reaction simulation,” added Rosenthal.

Availability:

CHEMKIN-CFD is available today, and is included with each ANSYS FLUENT download. License files may be obtained from Reaction Design for up to four free processes. For more information, please visit www.reactiondesign.com/.

For support, please contact Reaction Design at 1-858-550-1920 or support@reactiondesign.com

About ANSYS

ANSYS, Inc., founded in 1970, develops and globally markets engineering simulation software and technologies widely used by engineers and designers across a broad spectrum of industries. The Company focuses on the development of open and flexible solutions that enable users to analyze designs directly on the desktop, providing a common platform for fast, efficient and cost-conscious product development, from design concept to final-stage testing and validation. The Company and its global network of channel partners provide sales, support and training for customers. Headquartered in Canonsburg, Pennsylvania, U.S.A., with more than 60 strategic sales locations throughout the world, ANSYS, Inc. and its subsidiaries employ approximately 1,700 people and distribute ANSYS products through a network of channel partners in over 40 countries. Visit www.ansys.com for more information.

ANSYS, ANSYS Workbench, Ansoft, AUTODYN, CFX, FLUENT, and any and all ANSYS, Inc. brand, product, service and feature names, logos and slogans are registered trademarks or trademarks of ANSYS, Inc. or its subsidiaries in the United States or other countries. All other brand, product, service and feature names or trademarks are the property of their respective owners.

About Reaction Design

Reaction Design, a San Diego-based software supplier, enables transportation manufacturers and energy companies to rapidly achieve their Clean Technology goals by automating the analysis of chemical processes via computer simulation and modeling solutions. Reaction Design is the exclusive developer and distributor of CHEMKIN, the de facto standard for modeling gas-phase and surface chemistry that provides engineers ultra-fast access to reliable answers that save time and money in the Development process. Reaction Design’s world-class engineers, chemists and programmers have expertise that spans multi-scale engineering from the molecule to the production plant. Reaction Design serves more than 350 customers in the commercial, government and academic markets.

Reaction Design can be found online at www.reactiondesign.com/.

CHEMKIN®, CHEMKIN-PRO® and Reaction Design® are registered trademarks of Reaction Design. ENERGICO, CHEMKIN-CFD and Model Fuels Consortium are trademarks of Reaction Design. All other trademarks are the property of their respective holders.

CONTACTS:

Reaction Design
Verly Flores
6440 Lusk Boulevard, Suite D-205
San Diego, CA 92121
858-550-1920

McClenahan Bruer Communications
Barry Katcher
1500 SW 12th Ave.
Portland, OR 97201
503-543-1003
barry@mcbru.com

ANSYS, Inc.
Kelly Wall (Media)
724.514.3076
kelly.wall@ansys.com
Annette Arribas (Investors)
724.514.1782
annette.arribas@ansys.com
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Date: June 2, 2009