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Product category: Simulation, modelling and validation software
News Release from: LMS International | Subject: Virtual.Lab Rev 4
Edited by the Engineeringtalk Editorial Team on 29 June 2004

Simulation accelerates performance
engineering

LMS International has released a new version of its award-winning simulation environment for functional performance engineering.

LMS International has released a new version of its award-winning simulation environment for functional performance engineering LMS Virtual.Lab offers an integrated software suite to simulate the performance of mechanical systems on attributes such as structural integrity, comfort, sound quality, system dynamics, handling and durability

Rev 4 introduces a new LMS Virtual.Lab Morphing module that enables users to quickly modify existing finite element (FE) models into new models and to perform a multitude of analyses before complete CAD or new FE models become available.

LMS Virtual.Lab Rev 4 also increases the performance and capability of all its integrated simulation applications, including motion, noise and vibration, interior and exterior acoustics, and durability.

New post-processing and optimisation enhancements allow gaining deeper insights faster, and retrieve the best-suited design options in the most efficient way.

"Since its market introduction, over 150 leading manufacturing companies around the world have implemented LMS Virtual.Lab to support their NVH and acoustics engineering processes, to optimise the reliability and lifetime performance of their products, and to analyse the structural integrity and system dynamics of their designs long before expensive prototype testing".

"With LMS Virtual.Lab Rev 4, we continue to support engineers in analysing more design alternatives more quickly and earlier in the process, and in setting new standards in productivity and process efficiency", commented Werner Pohl, LMS Corporate Vice-President and General Manager CAE Division.

With the introduction of LMS Virtual.lab Rev 4, LMS continues to add new functionality and to extend the application reach of LMS Virtual.Lab.

The LMS Virtual.Lab structural analysis configuration provides users of finite element analysis (FEA) tools, like Catia CAE, MSC.Nastran or Ansys, extended FE manipulation tools and pre-/post-processing capabilities for numerous types of FE analyses.

LMS Virtual.Lab transparently accesses the modelling and results data, and makes the structural solver an integral part of the Virtual.Lab simulation process.

LMS Virtual.Lab Rev 4 introduces a new morphing module that enables engineering teams to quickly morph or modify an existing FE model into new FE models corresponding to the target new design.

This allows engineers to perform a multitude of analyses before complete CAD or new FE models become available, and to deliver better design directives much earlier in the process.

LMS Virtual.Lab Morphing also enables the engineering team to rapidly implement design changes, and to study more variants in the same time window.

LMS Virtual.Lab Acoustics enables engineering teams to minimise the radiated noise or optimise the sound quality of new designs before prototype testing.

With Rev 4, LMS Virtual.Lab Acoustics offers a complete process solution that combines convenient modelling capabilities with powerful solver technology and easy interpretable visualisation tools.

It tightly links acoustic prediction to structural design, which supports users in easily modifying the structural FE model to assess the effect of design modifications.

It even allows them to automatically optimise the acoustic performance of the design, while systematically updating the FE models.

With the New Virtual.Lab Interior Acoustics solution, engineers can accurately model the vibro-acoustic behaviour of a vehicle body, and realistically simulate the interior sound of the vehicle.

This allows users to study the effect of increasing the structural damping of the body, stiffening the roof or the floor panels, changing the volumetric absorption from vehicle seats, or adapting the trim thickness of specific body panels.

LMS Virtual.Lab Interior Acoustics includes unique cavity meshing capabilities that allow users to start from a structural full vehicle or trimmed body model and automatically generate the finite element mesh for the cavity.

LMS Virtual.Lab Interior Acoustics supports the full simulation process in a single user environment - from the creation of the acoustic vehicle model, over the prediction of system-level transfer functions, up to the refinement and optimisation of the acoustic performance long before running prototype tests.

LMS Virtual.Lab Noise and Vibration Rev 4 offers unique system synthesis techniques for vibration predictions that dramatically increase the speed of simulation runs.

This, in combination with path, modal and panel contribution tools, allows users to efficiently analyse the root cause of specific noise and vibration problems.

The unique modification prediction capabilities support them in assessing the noise and vibration performance of a design variant in a couple of minutes, and in quickly exploring multiple options.

LMS Virtual.Lab Noise and Vibration Rev 4 also offers extended tools to validate the accuracy of full-system simulation models.

These tools compare the dynamic characteristics of virtual sub-system and component models with test models and validated virtual models.

They allow users to make comparisons between any combination of model types, including FE-FE, test-test and test-FE correlations.

LMS Virtual.Lab Motion offers a complete and integrated solution to realistically simulate the dynamics of mechanical systems, and accurately determine the resulting internal dynamic loads and stresses.

With Rev 4, LMS Virtual.Lab Motion introduces four new application-specific solutions, with dedicated modelling and simulation capabilities for full-vehicle, suspension, gear system and track vehicle simulation.

LMS Virtual.Lab Motion Rev 4 further extends its CAD compatibility, rigid and FE modelling capabilities and graphic post-processing tools.

A powerful design sensitivity analysis solution, built into the motion solver, enables users to efficiently analyse the sensitivity of their design to specific parameters, and to quickly perform optimisation studies.

LMS Virtual.Lab Motion Rev 4 offers extended capabilities for designing and simulating systems' controls and hydraulics, providing a complete solution for mechatronic system analysis.

To further increase the efficiency of durability simulation and optimisation processes, LMS Virtual.Lab Durability Rev 4 introduces specific solution configurations for MSC.Nastran users.

These component and system-level durability configurations provide integrated process flows that facilitate and automate all interactions with FE solvers such as ANSYS, MSC.Nastran and Catia CAE - covering static strength, dynamic strength and fatigue-life prediction analysis.

LMS Virtual.Lab Durability further improves the accuracy of fatigue-life and structural strength predictions by offering enhanced seam weld capabilities.

LMS Virtual.Lab is based on CAA V5 (Component Application Architecture), the open middleware for PLM from Dassault Systemes. Request a free brochure from LMS International ...

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