Vibration, Structural Dynamics & Machinery Failure Resolution


Environmentally Sound diagnoses vibration-driven failures, fatigue cracking and persistent plant reliability problems — and engineers the corrective modifications that restore reliable operation.



Diagnose → Measure → Analyse → Design → Support

Vibration & Structural Dynamics (Reliability Engineering)

When machinery repeatedly fails, pipework cracks, or plant cannot operate reliably at design capacity, the underlying cause is often an unresolved dynamic mechanism such as resonance, structural flexibility or dynamic amplification.

Environmentally Sound diagnoses the governing vibration mechanism and engineers practical modifications that remove the cause and restore reliable operation.

Reasons clients contact us:

  • Machinery failing due to vibration or unable to operate reliably in its operating environment

  • Repeated cracking, broken brackets, failed welds, leaking joints or loosened fasteners

  • Operating restrictions due to vibration risk (speed/load derating or capacity limits)

  • New equipment or upgrades failing acceptance criteria or compliance limits

  • Piping and structural vibration with fatigue risk near tees, valves, supports or machines

Diagnose → Measure → Analyse → Design → Support

Explore Vibration & Structural Dynamics →

Noise, Structure-Borne Sound & Vibroacoustics

Many industrial noise problems originate from vibration generated by rotating machinery, process equipment or structural systems.

Environmentally Sound diagnoses the vibroacoustic mechanism by analysing how vibration energy is transmitted through structures and radiated as sound.

Engineering analysis examines the complete source → path → receiver chain using techniques such as Transfer Path Analysis (TPA).

Corrective measures may include:

Solutions are developed and verified using a structured engineering process:

  • structural modification

  • stiffness changes

  • vibration isolation

  • damping treatments

  • alterations to load paths

Diagnose → Measure → Analyse → Design → Support

Explore Noise & Compliance services →

Benefits to Our Clients

Diagnose — Identify the Governing Mechanism

Persistent vibration problems often involve uncertainty, conflicting opinions and repeated unsuccessful repairs.

Engineering diagnosis identifies the governing mechanism responsible for vibration, fatigue or instability so corrective action can be targeted effectively.

Measure — Establish the Real Behaviour

Accurate measurement reveals how machinery, structures and connected systems are actually responding in operation, providing the physical evidence required to understand vibration behaviour.

Analyse — Understand Dynamic Behaviour

Engineering analysis links the measured response to the underlying dynamic mechanisms such as resonance, structural flexibility, forcing or machine–structure interaction.

Design — Engineer the Corrective Modification

Once the governing mechanism is understood, practical engineering changes can be developed to remove the underlying cause of vibration, fatigue or instability.

Support — Ensure Successful Implementation

Where corrective modifications are required, Environmentally Sound can support implementation by working with client engineering teams, fabricators and contractors to ensure the solution is introduced correctly and performs reliably in operation.










Chartered Mechanical Engineers — Mechanical Engineering, Vibration & Structural Dynamics


Environmentally Sound Limited diagnoses vibration-driven failures and persistent plant reliability problems and engineers practical corrective modifications that restore reliable operation. Work combines mechanical engineering understanding with vibration measurement, structural dynamics analysis and engineering design.


We diagnose the governing mechanism first — then engineer a solution and verify that it works reliably in service.


Led by a Chartered Engineer with 30 Years’ Experience

Paul Schmitz, CEng MIMechE, MIoA, leads every project and ensures accountability from diagnosis through verification.

  • 30 years in mechanical manufacturing and machining

  • 30 years specialising in vibration, structural dynamics, and vibration-driven noise control

  • Design improvements on 15 aircraft frames — refined to pass vibration certification

Director-led delivery ensures consistent quality. Trusted specialists are engaged only when they add real value, keeping solutions lean and effective.


Results Proven by Case Studies

  • Quarry Plant: Eliminated severe resonance with targeted isolation — improving safety and stability.

  • API 619 Compliance: FEA-driven frame stiffening shifted natural frequencies and passed third-party audit.

  • Structure-Borne Sound (Belgium): Removed 58.33 Hz transmission through custom isolation; complaint resolved.

  • Commercial Property Monitoring: Two-week vibration survey identified root cause; mitigation reduced disturbance and liability.


Why Choose Environmentally Sound

  • Direct access to a Chartered Engineer — no sales layer

  • Evidence-based: Diagnose → Measure → Analyse → Design → Support

  • Advanced toolchain: FEA (Ansys), EMA/FRF, on-site monitoring, model updating, verification.


“If it isn’t measured and proven, it isn’t fixed. Our solutions are validated by data, not assumptions.”