Structural Vibration & NVH Engineering
ISVPL provides vibration monitoring, analysis and mitigation services for buildings, tunnels, rotating machinery and sensitive equipment, ensuring comfort, equipment performance and structural safety.[web:251][web:253][web:260]
What our vibration team does
Vibration can cause discomfort, equipment malfunction, fatigue damage and loss of reliability. ISVPL combines field measurements, structural dynamics and mass‑spring technology to diagnose vibration problems and design effective control strategies.[web:253][web:258]
- Short‑term and long‑term vibration monitoring (0–250 Hz)
- Diagnostics and root‑cause analysis for buildings and machinery
- Design of vibration control and isolation systems
- Performance checks against comfort and equipment criteria
Core vibration services
1. Building, tunnel & ground vibration monitoring
Measurement of vibration caused by metros, construction, heavy traffic and machinery, using tri‑axial sensors and VdB or mm/s metrics, with attention to sensitive structures and equipment.[web:251][web:260]
2. Vibration diagnostics & analysis
Time‑history, frequency‑domain, modal and operational‑deflection analyses to identify dominant frequencies, mode shapes and transmission paths, supporting clear engineering decisions.[web:253][web:256]
3. Mass‑spring vibration control systems
Design of tunable steel mass‑spring systems at 20 Hz, 14 Hz, 7.5 Hz, 5 Hz, 3 Hz and down to ~1.4 Hz for floors, foundations and isolated slabs, reducing vibration transmission to people and equipment.
4. NVH (Noise, Vibration & Harshness) support
Vibration and NVH assessments for industrial environments and equipment, including machine isolation concepts and refinement of existing control measures.[web:256][web:262]
Typical vibration project workflow
- Define vibration criteria (comfort, equipment or code‑based).
- Install sensors and record baseline / operational vibration.
- Analyse spectra, modes and transmission paths.
- Develop and compare mitigation options (isolation, damping, layout).
- Validate post‑implementation performance where required.
Typical vibration projects
- • Metro‑tunnel vibration impact on nearby buildings
- • Floor vibration checks for labs, MRI / CT and cleanrooms
- • Machine‑induced vibration in industrial plants
- • Bridge and elevated structure vibration assessments
- • Retrofits using isolation slabs and mass‑spring systems
Criteria & performance
ISVPL evaluates vibration against relevant human comfort and equipment criteria (e.g. VdB, velocity or acceleration limits) and provides clear plots and summaries so stakeholders can see before‑and‑after performance.[web:253][web:260]
Discuss a vibration issue
Share your building drawings, machinery list or monitoring data, and ISVPL can propose a measurement and mitigation plan tailored to your project.
Contact vibration engineering team