Estimation of vibration and noise levels on/inside of the structure with simulation in the digital prototype phase of the design. Definition of main flanking paths (how is noise propagating into the structure) Nomination of design changes for noise level
- Czech rep.
- Engineering software company
- Technical consulting based on simulation
- Noise management optimization
- Avoiding costly trial/error approach on physical prototype
- Technical consulting or technology transfer with SW usage
- Private group -
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Aerospace - Design for interior noise in commercial, executive and military aircraft, Define random vibration, acoustics and shock environments and set acceptance and qualification levels for launch vehicles and payloads, Analyze the response of primary structure, payload and critical flight equipment due to acoustic, random vibration and shock environments
Naval - full system level models of shipboard noise and vibration in ships, submarines and luxury yachts
Rail - Diagnose transmission paths and optimizing interior sound package, Analyze wheel-rail interaction
Automotive - Design for interior sound quality in automobiles, trucks, buses and land vehicles
Innovations & Advantages
Definition of critical parts of the design without costly and time consuming trial/error based experiments on physical prototype.
For some cases physical testing is not possible (marine, space)
Quick and effective sensitivity studies (“what/if” analyses).
Usage of productivity modules like periodic for creating large structures with section repetitions (rail, marine…)
Rerun of complete vibro-acoustics model with changed sound package parameters within several minutes.
Sound package optimizing of metro rail vehicle to reduce interior Sound Pressure level by 10dB
Current and Potential Domains of Application
Vibro-Acoustic Sciences will extended its proprietary Statistical Energy Analysis (SEA) code to estimate the statistics of phase for single input - single output transfer functions between launch vehicle fairing and payload acoustic volume.