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LMS International and JSOL Corporation announce partnership to address noise generated by electric machines


Partnership delivers a full solution to perform noise analysis on electrical machines including electro-magnetic caused noise.

With the combination of LMS Virtual.Lab Acoustics, the premier solution for acoustic simulation, and JMAG, a leading simulation solution for electromechanical design developed by the JSOL Corporation, a full solution to perform noise analysis on electrical machines including electro-magnetic caused noise, is now available.

Driven by a strong trend to go more green and eco-friendly, electrical machines have gotten a serious boom lately. And while technology improvements in electrical machines have led to more power and also better battery life, the issue of the noise generated by the electrical machines, including motors and generators, keeps development teams looking for better solutions.

One of the aspects of noise generated by electrical machines is related to electro-magnetic noise. The electro-magnetic forces generated make it vibrate and radiate noise. These forces can be predicted accurately by a proper electro-magnetic prediction tool such as JMAG. It simulates the forces on the electro-magnetic mesh (typically a 2D mesh) and in the time domain. LMS Virtual.Lab acoustics has an interface to JMAG where these forces are mapped from time to frequency domain; from 2D to 3D, and are mapped from the Electro-magnetic mesh to the structural mesh. Within Virtual.Lab these forces are then applied to the stator and used for predicting the vibration and unwanted noise. And to reduce or optimize this noise.

"This partnership addresses the need of many of our clients," says Toshihiro Hayashi, Director and General Manager Engineering Technology Division, JSOL Corp. "Our combined software offering provides our clients with a comprehensive software suite for electromechanical equipment design and development, including noise analysis."

"As the market-leader in acoustic simulation, we're happy to partner with JSOL's JMAG software," stated Stefaan Goossens, Vice-President Simulation, LMS International., "This will enable customers to simulate and optimize noise and electro-magnetic caused noise."

About JSOL Corporation

The JSOL Corporation is a total IT service provider, offering high-quality IT services. Adding the all-round strength of the NTT Data Group, the JSOL Corporation can offer even more adaptable and specialized solutions to the technological and business know-how accumulated in a wide range of fields since the days when the JSOL Corporation was a division of the Japan Research Institute. The JSOL Corporation has a proven track record in introducing ERP systems and has received successive awards from SAP Japan.

Expanding its business in the field of computer aided engineering, the JSOL Corporation has established the JMAG Group, a worldwide network of sales, support, marketing, development, and technical partners, aiming to deliver JMAG as the leading-edge simulation technology for the design and development of electromechanical machines. JMAG has

supported a wide-range of companies, universities, and research institutes around the world in furthering the design and development of their unique products and research since its conception in 1983.


About LMS International

LMS, the leading partner in test and mechatronic simulation in the automotive, aerospace and other advanced manufacturing industries, helps customers get better products to market faster. With a unique combination of mechatronic simulation software, testing systems and engineering services, LMS tunes into mission critical engineering attributes, ranging from system dynamics, structural integrity and sound quality to durability, safety and power consumption. With multi-domain and mechatronic simulation solutions, LMS addresses complex engineering challenges associated with intelligent system design and model-based systems engineering. More than 1150 LMS professionals serve over 5000 manufacturing companies worldwide.

For more information on LMS, visit

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