com . or its subsidiaries in the
United States and in other countries.ansys.

solitons pdes

NX
Nastran not only delivers the most enterprise value, it is also now the
fastest solution available. Headquartered in Plano, Texas, UGS' vision is to enable
a world where organizations and their partners collaborate through global
innovation networks to deliver world-class products and services while
leveraging UGS' open enterprise solutions , fulfilling the mission of enabling
them to transform their process of innovation. For more information on UGS
products and services, visit http://www."
AUTODYN was developed by Century Dynamics , Inc.0 offers more than double the throughput over previous
versions of AUTODYN on many large simulations , such as blast on buildings,
penetration into reinforced concrete, and fragmenting warheads and their
effect on composite aircraft structures.
Version 6.

multilevel extrapolation

NX Nastran now fully exploits the memory advantages of
64-bit architecture, enabling solutions for complex product performance
simulations by taking full advantage of computers with large memory.
"UGS' efforts to maximize CAE performance is well aligned with Intel's
focus on delivering leadership platform performance and software tools to our
mutual customers," said Paresh Pattani, director of HPC and Workstation
Applications, Intel. This can translate to major productivity improvements
compared to competitive solvers.

Note: UGS, Tecnomatix, Teamcenter, Solid Edge, NX and Parasolid are
trademarks or registered trademark of UGS Corp."
To respond to a rapidly increasing need for running larger and more
complex simulations in a shorter time, special developments have been
conducted to 64-bit Linux platform support and new underlying data structures.

multilevel pdes

UGS Transforms Computer-Aided Engineering (CAE) Performance With NX Nastran 4

In addition to a wide variety of functional enhancements, NX Nastran
4 significantly improves large model performance by exploiting the latest
64-bit computing technology and leveraging its industry leading PLM
integration to maximize the value of CAE throughout the product development
process. These statements are subject to
numerous risks and uncertainties which could cause actual results to differ
materially from such statements, including, among others, risks relating to
developments in the PLM industry, competition, failure to innovate and
intellectual property.
It provides solutions for understanding how designs and processes behave in
real world applications. 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.S.

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In addition, NX Nastran 4
is more tightly integrated into the desktop environments of several of UGS'
digital product development applications -- such as NX, I-deas(R) NX Series,
and Femap(R) -- and is more closely coupled with UGS' Teamcenter (R) PLM
portfolio.
* HP-MPI technology is leveraged by NX Nastran across all applicable
platforms, as a way of increasing scalable performance, robustness,
and platform flexibility . product
and service names are registered trademarks or trademarks of ANSYS, Inc.

numerically electromagnetics

About UGS
UGS is a leading global provider of product lifecycle management (PLM)
software and services with nearly 4 million licensed seats and 46,000
customers worldwide. UGS has included a discussion of these and other
pertinent risk factors in its registration statement on Form S-4 most recently
filed with the SEC.0 of its AUTODYN(R) software.
"AUTODYN leads the field in FSI capabilities for fast, transient dynamics
of solids, fluids, gases and their interactions," said Mike Wheeler, vice
president and general manager of the Mechanical Business Unit at ANSYS.
With this new release of AUTODYN, ANSYS extends its leading technology for
solving the most sophisticated fast transient multiphysics problems involving
FE, CFD and mesh-free methods in an integrated fashion .

multigrid equation

"Applying digital simulation technology earlier and more pervasively is
one of the most important success factors in today's advanced product
development processes across many industries," said Bruce Jenkins, managing
partner, Spar Point Research LLC.
This development builds on the NX Nastran leadership position for high
performance solutions.
"We have made significant progress advancing the performance and
scalability of analysis with NX Nastran," said Chuck Grindstaff, executive
vice president, PLM Products, UGS. "Adding the Modal Energy Method to the extensive suite of
existing NX Nastran evaluation tools is just one clear example of UGS'
responsiveness to its customers' needs .

ANSYS Announces AUTODYN(R) Version 6.0

ANSYS, ANSYS Workbench, CFX, AUTODYN, and any and all ANSYS, Inc.

equation hamiltonian

The statements in this news release that are not historical statements ,
including statements regarding expected benefits of the product, adoption by
customers, continued innovation and other statements identified by forward
looking terms such as "may," "will," "expect ," "plan," "anticipate" or
"project," are forward-looking statements., a subsidiary of ANSYS,
Inc .

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"UGS' use of Intel's 64-bit Linux compilers in NX Nastran
development and Intel's Math Kernel Libraries for enhanced performance, are
testaments to this alignment. This enhanced integration across the UGS product line enables
customers to more easily take advantage of process-based vertical solutions ,
increasing the impact of CAE on shortening product development cycles,
reducing costs and increasing profitability.
* Lanczos Eigensolver performance improvement -- Improvements to the
standard Lanczos Eigensolver can enable 15-25% reductions in solution
times for large shell element dominant models.
* Explicit non-linear solver -- A new solver capability for efficient
simulation of high-speed impact events and metal forming analysis is
now available. For more information
visit http://www.

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* Modal Energy Method -- A new modal energy output provides engineers
with greater insight to understanding the dynamic behavior of their
systems.
* Temperature dependent modeling of composites -- Latest enhancements
support more accurate calculations of thermal loads on composite
structures

In addition to these functional enhancements, NX Nastran 4 continues the
trend toward tighter integration within the entire UGS portfolio of PLM
offerings and leverages the market strength that comes from being the standard
solver for all of UGS' applications. "Besides more efficient and accurate FSI methods, the
multi-material Computational Fluid Dynamics (CFD) solvers have been
significantly enhanced, providing robustness and accuracy for an even wider
range of complex applications, especially those involving blast and shock.0 also offers new material modeling capabilities and improved pre-
and post-processing capabilities.

bifurcations equation

"

Leading performance for 64-bit technology
With the release of NX Nastran 4, UGS has implemented a major improvement
in memory management."

Customer-driven enhancements
UGS actively solicits input from its customers to identify and prioritize
the most desirable and highest value enhancements to incorporate into its
software solutions.
(Nasdaq: ANSS), a global innovator of simulation software and technologies
designed to optimize product development processes, today announced Version
6.

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* Curved Beam Element Enhancement -- Supports updated ASME boiler and
pressure bessel code requirements for the design of flanged and
mitered pipes.
NX Nastran is an important part of UGS' overarching digital simulation
strategy to enable customers to implement their own best practices and
increase simulation's influence on design. UGS disclaims any intention or obligation to update or
revise any forward-looking statements, whether as a result of new information,
future events or otherwise .com

As a result, Version 6.

About Century Dynamics, Inc. or
its subsidiaries located in the United States or other countries.

decomposition equilibria

There are new physics capabilities such as rotor dynamics and advanced
nonlinear (which now includes an explicit solver) that significantly expand
the role of CAE within digital product development. "Our development team is focused on
delivering what matters most to our customers.
Century Dynamics, a subsidiary of ANSYS, Inc.

About ANSYS, Inc.

Differential equations relate functions of several variables to derivatives of the functions.

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"

Process improvements
* Enforced motion improvements -- This extended capability for dynamic
enforced motion simulation improves accuracy.century-dynamics., with more than
25 strategic sales locations throughout the world, ANSYS, Inc.

Such equations are often used in the sciences to relate a quantity to its rate of change.

mgnet electromagnetics

These guidelines are used extensively in nuclear, power
generation, and chemical industries.ugs. "With
this new release, ANSYS continues its strong commitment to meeting the
multiphysics needs of an increasingly diverse customer base of sophisticated
international industries and institutions.

navier hamiltonian

* Rotor Dynamics -- A new dynamic analysis capability that enables
engineers to develop designs that operate away from the critical
unstable operating speeds of rotating systems
* Linear contact -- A new capability allows users to perform fast and
efficient surface-to-surface contact solutions for simulations that
are otherwise linear.
This CFD capability complements ANSYS' market leading CFX(R) general purpose
advanced CFD solutions. For two decades, the world's most
prestigious companies and institutions have relied on Century Dynamics'
significant, unique and proven technologies coupled with its world-class
technical expertise to give them insight into solutions for their most
difficult engineering problems.

extrapolation hamiltonian

* Memory management improvement -- NX Nastran 4 memory handling has been
re-architected, dramatically increasing the amount of RAM that can be
accessed to more than a million terabytes. Provides Increased Flexibility and Performance

SOUTHPOINTE, Pa.com .

electromagnetics sech

NX Nastran Extends UGS Performance Lead in Digital Simulation and Analysis;
Leverages Industry's Tightest PLM Integration and Fully Exploits Latest 64-Bit
Technology to Maximize CAE Value Throughout Product Development

PLANO, Texas, UGS Corp ., a leading global
provider of product lifecycle management (PLM) software and services, today
announced the availability of NX(TM) Nastran 4 software, the latest release of
the company's premier software solution for advanced computer-aided
engineering (CAE) and an integral part of UGS' overarching digital simulation
strategy. "Having CAE capabilities available as an
integral part of a comprehensive product development environment lowers the
barriers to achieving this goal.

"The implementation of the Modal Energy Method is clearly one of the
highlights of the NX Nastran 4 release," stated Manfred Wamsler, Daimler
Chrysler AG. NASTRAN is a registered mark of NASA.
All other trademarks , registered trademarks or service marks belong to their
respective holders., ANSYS, Inc. Headquartered in Canonsburg, Pennsylvania, U.

electromagnetics multilevel

Other advances in this release include extending the
scalability and performance of NX Nastran parallel processing on cluster
hardware systems, enabling solutions of very large models on up to
64 computers simultaneously -- significantly boosting productivity .

CONTACTS:
Jim Phelan
314-264-8216
jimp@ugs. Century Dynamics is a premier provider of sophisticated yet easy-to-use
simulation software products for solving linear , nonlinear, explicit and
multi-body hydrodynamics problems.

equation multigrid

Intel has been working closely with UGS
applications for over eight years to improve performance and optimization and
is now delighted to help deliver superior NX Nastran 4 performance on both the
64-bit Intel(R) Xeon(TM) and Intel (R) Itanium(R) 2 platforms by providing
early access to 64-bit Xeon platforms as well as remote access to our 32-, 64-
and 128-node, 64-bit Xeon and Itanium 2 platforms/clusters for development,
testing and performance optimization. The NX 4 announcement is detailed in a separate
press release also issued today. The new AUTODYN
capabilities add to the powerful breadth of solutions provided in the ANSYS
suite of products that includes ANSYS(R), ANSYS(R) CFX(R), ANSYS(R) ICEM
CFD(TM) and ANSYS (R) Workbench(TM).

multigrid bifurcations

The new functionality in NX Nastran 4 and its
integration with the NX portfolio , promise to strengthen the competitive
appeal of UGS' overall offering in the CAE market and help customers continue
increasing the business impact of CAE. The new release offers major gains in
performance , ease-of-use, interoperability and fluid structure interaction
(FSI) technology.0 brings increased levels of
flexibility through a new generation of Finite Element (FE) solvers allowing
shorter runtimes, bigger models and better accessibility to third-party FE and
CAD software," said Naury Birnbaum, general manager, ANSYS, Inc. ANSYS is continuing to move forward in
integrating all of its key technologies within the ANSYS Workbench thereby
providing an unparalleled engineering design and simulation capability within
a unified computing environment., designs, develops, globally
markets and supports advanced engineering and scientific simulation software.A.com for more
information.

underlies variational

and a founder
of Century Dynamics. All other trademarks or registered
trademarks are the property of their respective owners.

numerically variational

"

Robust functional enhancements complement industry's tightest PLM
integration
In addition to exploiting the latest performance boosting hardware
technology , NX Nastran 4 includes many customer-driven software enhancements. In just two years since
entering the Nastran marketplace, we have advanced the architectural
foundation to leverage the most advanced multi-CPU hardware platforms. NX Nastran 4 is being announced in
conjunction with the launch of NX 4, UGS' comprehensive software solution for
digital product development. Century Dynamics services a wide spectrum of
industries including aerospace, automotive, defense, education, marine,
offshore , petrochemical, power and security.

equilibria electromagnetics

Performance improvements
* Extensions to Hierarchic Distributed Memory Parallel (HDMP) solver --
Improvements in distributed parallel solutions have greatly increased
the performance for large complex models and now support dynamic
response analyses. Memory needs are now only
limited by hardware systems. This will significantly improve the
overall performance of large-solve scenarios and make possible
solutions of large models that could not be performed previously.
"In terms of performance , AUTODYN Version 6.
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 . employs
approximately 600 people and distributes its products through a network of
channel partners in over 40 countries.

arxiv extrapolation

Based on customer input, NX Nastran 4 includes a variety
of major enhancements in three primary categories. NX Nastran can solve a very large product
performance simulation leveraging parallel processing with up to
64 computers.

Discipline extensions
* Extensions to advanced non-linear solver -- Added capabilities have
increased the range of simulation applications by including more
hyperelastic materials models, improving solution algorithms, and
adding more non-linear element models. Parallel performance of AUTODYN has
been strengthened in a number of areas, including CFD and its coupling to FE. Visit http://www . ICEM CFD is
a trademark licensed by ANSYS, Inc.

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