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Purpose of Shaker Testing in Education and Training

Shaker testing plays a vital role in education and training, particularly in fields like mechanical, aerospace, and electrical engineering, to evaluate the performance, durability, and reliability of components and systems under vibration. Universities often utilise shaker testing for research, education, and industry collaboration.

Applications in the Universities

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DCTA Shaker 2 - Photo Courtesy of DCTA IAE

Structural Dynamics

  • Evaluate how materials, components, or structures behave under dynamic loads (for example, aerospace or automotive components)

Fatigue and Failure Testing

  • Investigate how repetitive vibrations cause wear or damage over time

Material Characterisation

  • Test novel materials for their ability to withstand dynamic stresses

Resonance Studies

  • Explore natural frequencies and damping properties of structures
  •  Provide students with hands-on experience in vibration analysis, signal processing, and mechanical testing
  • Demonstrate principles of dynamics, including resonance, modal analysis, and harmonic excitation
LDS V8900 Technician working2
  •  Partner with companies to test prototypes or develop products that meet vibration or shock standards (for example, ISO, MIL-STD-810)
  • Perform pre-certification or feasibility studies for new technologies
Vibration testing on the MIRI, ( Mid InfraRed instrument ), flight instrument for the James Webb Space Telescope, JWST, in the Space Science and Technology Departments vibration test facility, R46, at STFC's Rutherford Appleton Laboratory, 8th October 2010.

Key Features of University Testing Labs

Scalability

  • University labs typically have small to medium-sized shakers suitable for testing smaller components or systems

Multi-disciplinary Approach

  • Often used across mechanical, aerospace, electrical, and civil engineering departments

Experimental Validation

  • Shaker systems are integral for validating theoretical models, simulations, and finite element analysis (FEA) studies
People walking in between office buildings

Challenges in University Environments

Limited Resources

  • Budget constraints may restrict access to high-capacity shakers or advanced testing software

Shared Equipment

  • Shaker systems are often shared across multiple research groups, requiring effective scheduling

Training Requirements

  • Students and researchers must receive proper training in shaker operation, data acquisition, and safety protocols
DCTA Shaker - Photo Courtesy of DCTA IAE

Examples of University Projects

Spacecraft Vibration Testing

  • Simulating launch conditions for small satellites or payloads

Automotive Component Testing

  • Evaluating engine mounts, suspension systems, or electronic control modules

Earthquake Simulation

  • Testing small-scale structural models under seismic conditions

Consumer Electronics

  • Examining the durability and performance of smartphones, laptops, or wearable devices under vibration stresses
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