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Noise & Vibration can be a source of potential problem to sub-system failures and human comfort. This will have a direct impact on product quality and performance. To achieve superior NVH performance that surpass these challenges, we need to design and engineer sub-systems for robust NVH outcomes.
NVH virtual product development helps customers accurately estimate performance and validate product design with industry leading technologies. Altair can help in simulating NVH effects of alternative designs, without creating a physical prototype.
Structural Vibration Analysis
Natural frequency and vibration modes of the structure is an important attribute affecting the dynamic characteristics of the system. Frequency response during external and transient loading and its effect on structure is key to safe design.
Linear Vibration Analysis
Linear Vibration Analysis is a frequency analysis and steady-state vibration response resulting from the application of a periodic, harmonic input and its effect on overall assembly. Altair has expertise in Power Spectral Density (PSD) Analysis, Frequency Response Function (FRF) and Transfer Path Analysis (TPA) for NVH performance evaluation and identification of critical paths and noise sources.
Nonlinear Vibration Analysis
Altair has expertise in both time and frequency domain simulations to predict the accurate noise and vibration response of the structure. Nonlinear excitations from Vehicle Dynamics Simulations can be provided as input to understand the structural performance of the sub-system.
Acoustics
Acoustics is one of the many criteria involved in the Vehicle product development. Managing different types of acoustics in dynamic operating conditions for different vehicle types is a key to human comfort.
Air-borne Noise
Identifying the root cause of air-borne noise and mitigation methods is key to comfort. Altair can leverage its expertise in Multiphysics to identify the root cause of both internal & external noise, which is a major challenge for designers today.
Interior Acoustics | Exterior Acoustics
Structure-borne Noise
Vibration in its energy form can get transferred as structure-borne noise. Altair has expertise in identifying structure-borne noise based on structural response for a given excitation. Further, we can perform coupled-acoustics analysis to reduce the structure-borne noise.
NVH System Performance Analysis
NVH performance problems have to be evaluated for all operating conditions to ensure that NVH design, regulatory requirements are met at minimum cost.
Altair has solutions that are aligned with these needs and is committed to providing best-in-class solutions to achieve superior NVH performance.
Air-borne Noise
Identifying the root cause of air-borne noise and mitigation methods is key to comfort. Altair can leverage its expertise in Multiphysics to identify the root cause of both internal & external noise, which is a major challenge for designers today.
Interior Acoustics | Exterior Acoustics
