1. NVH Domain Capability Presentation

2. Intro…
NV Dynamics, founded in 2001, is the market leader in providing consulting engineering services in the field of acoustics and vibration. We are a vibrant, talented and fun loving competent company that celebrates our success through continued growth. We are highly committed to teamwork and our members are cross-trained in our service sectors so that we can support each other in achieving optimum success.

3. Instrumentation & Resources
Sensors & Transducers
Accelerometers – Tri-axial, High temp, Miniature, Seismic (ultra low frequency)
Laser Vibrometer for Non-Contact Vibration Measurements
Force Transducers, Impulse Hammer & Electrodynamic Shakers
Laser Tachometer [speed/phase measurements]
Hall Effect Sensor [Motor Current Signature Analysis]
Microphones and Sound Level Meters – Type-1/Class-1
Sound Intensity Probe

4. Instrumentation & Resources
Cont...
Instrumentation & Resources
Multi-Channel (2/4/8/16/32) Data Acquisition Systems or analysers with various processing/analysis options
Real Time Recording
FFT Analysis [Octave, Narrowband, Zoom FFT]
Envelope spectrum analysis
Rotating Machinery Analysis [Order Tracking, Waterfall, Colour Map]
Sound Quality & Jury Testing
Transfer Path Analysis [TPA/ASQ]
Acoustic Source Quantification
Modal Analysis & Modifications
Sound Intensity Measurements
and much more to cater almost every need of Customers in vibration,
acoustics and related engineering dynamics domain

5. Instrumentation & Resources
Cont...
Instrumentation & Resources
Modelling Software – CAD (2D and 3D)
Analysis Software's – FEM (CAE) – ANSYS, NASTRAN
Acoustic and Vibration Modelling Tools (FEM and BEM)
Cada – X, Test Xpress, EDM data processing suite
Sound Plan & ODEAN
Custom made in-house solution packages

6. The Team
The team has engineers with a good combination of electrical, mechanical and instrumentation discipline. We have working association with many premier institutions for sharing cross platform experience and using the resources on case to case basis & long term projects.

7. Our Verticals Engineering Services
Projects, Product Design, Evaluation & Validation
Training & Team Development

8. Engineering Services - Noise & Vibration
Noise/Vibration Measurement, Analysis and Mitigation
Modal Testing & Analysis, Modal Design
CAD/CAE
In-situ Rotor Balancing
Noise/Vibration Isolation and Control
Building Acoustics
Sound Power testing as per ISO standards (Sound Pressure & Intensity based)
Sound Intensity Measurements, Noise Source Ranking & Source Localization
Sound Quality & Jury Testing
Transfer Path Analysis (TPA) and Acoustic Source Quantification (ASQ)
Acceptance Testing as per API, MIL, ISO standards
Environmental Noise Assessment
Whole Body Vibration and Hand Arm Vibration measurements as per ISO standards.
Vibration based Condition Monitoring for predictive maintenance
Motor Current Signature Analysis (MCSA)
Calibration services for Microphones, Accelerometer and FFT Analyzers

9. Engineering Services – Acoustic Specialization
Upfront Design inputs for Building acoustics
Design of Sound Proof, Audiometric, Semi / Anechoic rooms
Test & Simulation based assessment & validation of existing room acoustics
Combined strength of TEST – SIMULATE – VALIDATE for a looped hybrid solution approach of complex Noise Problems
Design of acoustics within car and closed door small volume enclosures
Design of Theatre and Home acoustics

10. Product Design & Develpoment
Development of Specialized Noise Qualification System capable of measuring very low noise levels from electrical contactors amidst higher shop floor noise.
Development of Ultra-Portable, Low Cost, Application specific Noise & Vibration Analyzer kit

11. Training & Team Development
Customer/Industry Specific tailor made CORPORATE TRAINING programs
Open Training sessions at NV DYNAMICS once in four months every calendar year.
Collaborative seminars/workshops with Institutions like MSRSAS.
No-Profit Visiting Lecture sessions at various Engineering colleges to create awareness and expose the YOUNGER generation to the emerging Noise & Vibration technology.
Quarterly Newsletter, NVSAGE – Educative news bulletin being circulated to more than 1000 professionals/academicians/students all around the globe.

12. News Letter
NVSAGE
Educative free news bulletin being circulated to more than 1500 professionals, academicians, students all around the globe.
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13. Few Case References
Experimental Modal Analysis of 660MW Generator – GE Alstom - Ahmedabad
Vibration qualification for Metro Rail - CMRL
Whole Body Bump Testing on Car Frame – Mahindra Reva

14. Few Case References Cont...
Vibration Isolation to control vibration immission from an existing compressor to the new compressor installation – LURGI Germany, Test Site: Petronas Penapisan Melaka Malaysia
Noise Measurements, Analysis and Control on an Excavator Machine – L&T Bangalore
Sound Power Testing of a starter motor as per ISO 3744 (sound pressure based) for acceptance testing – BOSCH Bangalore

15. Few Case References Cont...
Fuel Injection Pump Noise Analysis for Source identification – Delphi Bangalore
Operator Noise Measurements on off-road vehicles – VOLVO Construction Equipment Bangalore
Whole Body Vibration and Harm Arm Vibration measurements of on-road and off-road vehicles – VOLVO Construction Equipment, Harita Seating Systems Hosur

16. Few Case References Cont...
Ground vibration measurements and vibration isolation for CMM Installation – Bills Forge Bangalore, LuK India Hosur, CIPLA Bangalore
Motor Current Signature analysis of AC motors, Crompton Greaves Limited Mumbai
Calibration of Microphones, Accelerometers & FFT Analyzers – Flowserve Coimbatore, CGL Bangalore

17. Few of our esteemed clientele
Cont...

18. Thank You