Vibration analysis, calculation and simulation
Improve the reliability of your structures and associated components
Why carry out a vibration analysis?
Vibration analysis is an essential step in the design and validation of structures subjected to dynamic loads and their associated components. It enables :
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- Understand vibration behaviour by identifying the natural frequencies and modes of vibration of structures.
- Simulate responses to different types of excitation, including random sources of excitation.
- Diagnose vibration and optimise design to improve product robustness, comfort and durability.
- Reduce noise and vibration impact levels (NVH) in mechanical and industrial systems.
- Assess the resistance of systems to seismic events or shocks (half-sine) and guarantee compliance with safety standards.
Our vibration analysis services
We provide specialist services to help manufacturers deal with their vibration problems:
- Experimental and numerical modal analysis.
- Vibration simulation to predict structural responses.
- Vibration fatigue and damage risk assessment.
- Optimisation of structures to minimise vibration effects
- Validation of equipment resistance to earthquakes and other dynamic loads.
Examples of industrial applications
Aeronautics and space
Automotive and transport
Industry and infrastructure
Industry and the general public
Energy and infrastructure
Approach and methodology for vibration analysis
Acquisition of vibration data
- Multi-physical instrumentation: accelerometers, force sensors, laser vibrometers.
- Impact and frequency response tests with impact hammers and controlled vibration excitation.
- Operational deformation measurements (ODS) to observe the response during operation.
- Experimental modal analysis
- Experimentation-Simulation correlation
Simulation and vibration calculation
- Modal analysis to identify natural frequencies and modes of vibration.
- Harmonic and random simulation to predict behaviour under variable excitations.
- Correlation between tests and numerical simulations to adjust models.
- Seismic analysis and transient dynamics to validate the resistance of structures to earthquakes.
Validation and optimisation
- Validation of product designs and adjustments to improve mechanical robustness.
- Identification and reduction of sources of resonance and vibration instability.
- Development of damping solutions and passive or active filters.
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Integrating vibration analysis into product development
Our solutions enable manufacturers to anticipate vibration constraints from the design stage onwards and optimise equipment performance. Our experts assist you with:
- Analysing requirements and defining test protocols.
- Performing simulations and vibration measurements.
- Interpreting results and implementing appropriate solutions.
Why choose the Emitech Group?
When you choose the Emitech Group, you benefit from a partner renowned for its expertise and its unique resources in Europe, at the service of your EMC and RF simulation projects.
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- Multidisciplinary expertise: over 30 years' experience in EMC, RF and industrial qualification testing.
- Cutting-edge numerical tools: advanced electromagnetic solvers (CST, HFSS, FEKO, etc.) coupled with our experimental test capabilities.
- Simulation/measurement cross-validation: systematic correlation with our laboratories.
- A sector-specific approach: solutions tailored to the constraints of the aerospace, automotive, space, rail, energy and medical industries.
Needs
Discover a selection of additional resources that explore topics related to this page including regulatory contexts, technical articles, and specific areas of expertise. These materials provide further insight to help you better understand the key challenges and available solutions.
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