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LMS Extends Ground Vibration Testing for Aerospace Industry

LEUVEN, Belgium, Apr 16, 2008 - LMS, the engineering innovation company, introduced its extended solution for Ground Vibration Testing at the Aerospace Testing, Design & Manufacturing Expo in Munich, Germany. LMS offers an integrated solution and advanced engineering services to help aerospace manufacturers achieve shorter testing times while increasing test observability and overall quality for Ground Vibration Testing (GVT). Based on extensive cooperation with leading aircraft manufacturers from all over the world, LMS has developed a unique approach combining simulation and physical testing to accelerate and optimize the complete testing cycle – from test preparation and modal testing to modal analysis, numerical model correlation and model updating.

The aerospace industry is continuously under pressure to develop lighter components, systems, aircraft and spacecraft in shorter time cycles and at lower cost - without compromising quality or safety. On one hand, engineering teams must reduce testing time while increasing data quality and accuracy. On the other hand, they still need to ensure the structural integrity of the aircraft or spacecraft and other critical components.

The integrated GVT solution from LMS addresses these productivity challenges. It reduces the risk involved in GVT testing campaigns, while shortening the total test lead time. The LMS GVT solution also includes multiple excitation, modal validation and non-linear behavior assessment techniques, which dramatically increase modal behavior observability. This allows testing teams to efficiently and reliably identify all the critical modes in the aircraft, which is one of the key GVT objectives. The LMS GVT solution is based on the LMS Test.Lab testing and analysis software suite and a series of interconnected LMS SCADAS III data acquisition front-ends adding up to over 1,000 channels. The solution includes test instrumentation management, a full set of complementary excitation and acquisition techniques, advanced modal analysis technology, data management and reporting tools.

LMS complements its integrated GVT solution with advanced simulation solutions. This reduces the risk of missing critical modes during the physical test since they can be identified upfront on a simulation model long before the test structure instrumentation. By integrating test and simulation, LMS offers a unique opportunity to use Finite Element (FE) models to guide the test and validate the test result quality. In addition, test results are directly applied to correlate and validate FE models during GVT execution. This allows testing and analysis teams to agree on the acquired data on the spot and confidently proceed to next phase of the test campaign.

LMS also offers dedicated engineering services for GVT, based on a unique combination of engineering skills, development experience and GVT application know-how. LMS references for Ground Vibration Testing include AgustaWestland, BAE Systems, Cessna, CIRA, CSA, DLR, EADS CASA Military Transport Aircraft Division, EADS Space Transportation, Lockheed Martin, National Aerospace Laboratory, NASA, Raytheon, RKK Energia, Saab Aircraft, Sikorsky, Tsagi, and Tupolev among others.

For more information on LMS Test Lab, click here.

About LMS

LMS is an engineering innovation partner for companies in the automotive, aerospace and other advanced manufacturing industries. LMS enables its customers to get better products faster to market, and turn superior process efficiency into a strategic competitive advantage. LMS delivers a unique combination of virtual simulation software, testing systems and engineering services. We are focused on the mission critical performance attributes in key manufacturing industries, including structural integrity, handling, safety, reliability, comfort and sound quality. Through our technology, people and over 25 years of experience, LMS has become the partner of choice for most of the leading discrete manufacturing companies worldwide. LMS, a Dassault Systèmes Gold Partner, is certified to ISO9001:2000 quality standards and operates through a network of subsidiaries and representatives in key locations around the world.

For more information, visit www.lmsintl.com.

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