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Accueil » Présentations des Solutions » Simulation 3D de prototypes virtuels » Acoustics

LMS Virtual.Lab Acoustics Overview

LMS Virtual.Lab Acoustics

LMS Virtual.Lab Acoustics

Makes sound engineering decisions faster -Are your customers expecting ever quieter products? Are your competitors gaining ground using sound quality as a differentiator? Will tighter noise emission legislation impact your product sales? Would you like to decrease the amount of time spent on basics such as predicting sound fields or shave off weeks on a more complex job like an engine run-up? In the past, parametric analysis and design refinement was simply not feasible because of cost and time ...

Acoustics Pre/Post

Acoustics Pre/Post

LMS Virtual.Lab Acoustics Pre/Post offers a full set of pre and post-processing capabilities for acoustic simulation. It creates a complete acoustic model with the LMS Virtual.Lab Acoustics solvers and enables the user to post-process the model through standard and advanced displays. Essential acoustic mesh creation tools are included and standard displays provide a basic understanding of the noise issues. ...

Boundary Element Acoustics

Boundary Element Acoustics

LMS Virtual.Lab Boundary Element Acoustics is an entry-level, easy-to-use acoustic simulation tool to predict and improve the sound and noise performance of a broad range of systems. With straightforward models and embedded solver technology, engineers can acquire results faster without compromising accuracy. This solution tackles both internal and external radiation problems and covers a broad range of applications....

Fast Multipole Boundary Element Acoustics

Fast Multipole Boundary Element Acoustics

Multipole BEM is a boundary element technique that addresses ultra-large BEM problems. The LMS Virtual.Lab Fast Multipole Boundary Element solver can handle models up to one million nodes and more to tackle high frequencies problems. Multipole BEM implements high-speed iterative techniques to solve the BEM equations, with sophisticated algorithms based on multipole expansion and multi-level hierarchical cell substructuring....

Finite Element Acoustics

Finite Element Acoustics

LMS Virtual.Lab Finite Element Acoustics offers an advanced method for simulating acoustics. It helps predict and improve the sound and noise performance of various systems. The finite element method requires the simulation of the propagation area, that being air or water. It can create a fully coupled vibro-acoustic simulation to determine how acoustic sources affect the structure. ...

Numerical Engine Acoustics

Numerical Engine Acoustics

LMS Virtual.Lab Numerical Engine Acoustics is an efficient tool to predict noise radiated throughout a full engine run-up and gain insight into noise problem causes in general. The solution’s solver uses ATV technology to perform fast multiple rpm runs and accelerate calculation reruns when analyzing alternative designs. Engineers can simulate and optimize the engine design for top acoustic performances. ...

Acoustic Fatigue

Acoustic Fatigue

LMS Virtual.Lab Acoustic Fatigue is a dedicated solution that addresses random acoustic fatigue problems. By integrating Random Vibro-acoustics and Random Fatigue modules, this solution helps engineers understand the random vibro-acoustic behavior of a given structure and predict fatigue hotspots and corresponding fatigue life. It handles both structural and acoustic responses using vibro-acoustic results for durability analysis....

Advanced Interior Acoustics

Advanced Interior Acoustics

LMS Virtual.Lab Advanced Interior Acoustics is a premium solution using Virtual.Lab Acoustics solvers. Dedicated tools include a cavity mesher that quickly generates an acoustic finite element mesh of the interior. The result is a high-quality, frequency-dependent HEXA-element mesh, which accounts for smooth and sharp features. The acoustic solver offers a complete set of frequency-dependent acoustic properties....

Aero-Acoustic Modeling

Aero-Acoustic Modeling

LMS Virtual.Lab Aero-Acoustic Modeling coupled with the BEM technology helps engineers to accurately predict and solve aero-acoustic noise problems, ranging from fan noise in electrical appliances and wind turbines to turbulence-based noise in aircrafts. This efficient and cost-effective solution only requires system boundary modeling, resulting in relatively small acoustic models that are easy to create and check....

Fast Trim

Fast Trim

LMS Virtual.Lab Fast Trim helps users evaluate the acoustic performance of multiple layers, like carpet, wood, or foam for absorption and transmission. Multiple layers are applied to a base structure. Results are given as complex frequency-dependent transfer admittances, are used to assess the influence of multi-layered materials on the global acoustic system performance. ...

LMS Virtual.Lab Acoustics - Options

LMS Virtual.Lab Acoustics - Options

Options for the LMS Virtual.Lab Acoustics product line...

References:

Saab - Cavity Meshing tools for interior acoustic simulations
Miele - Study of acoustic sound radiation
Siemens - Optimize gas turbine
Artic Cat - reduce noise of snowmobiles
Ford - Powertrain NHV engineering
GM - Engine noise reduction
Harley Davidson - NVH studies in product development
Boeing - Predict acoustics of aircraft cabins
Alenia Spazio - Space systems NVH

Download the LMS Virtual.Lab Acoustics Brochure

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» News

LMS signs partnership agreement with EADS Innovation Works and IMACS to integrate next-generation ac

Electrolux deploys LMS Virtual.Lab Acoustics to accelerate the development of household appliances

Mitsubishi Motors Corporation Selects LMS for New Platform Development Program

» Application Cases

Ford Uses Hybrid Simulation to Accelerate Powertrain NVH Engineering

Boeing Uses LMS SYSNOISE to Predict Acoustics of Aircraft Cabins

LMS Virtual.Lab Acoustics helps Miele launch new washing machines faster