JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD

UNIT - I

Introduction: Definition, Principles, significance of SHM, potential applications in civil, naval, aerospace & manufacturing Engineering

UNIT - II

Operational Evaluation: Sensor technology, piezoelectric wafer active sensors, data acquisition and cleaning procedures, elastic waves in solid structures, guided waves

UNIT - III

Feature Extraction methods: Identifying damage sensitive properties , signal processing, Fourier and short term Fourier transform, wavelet analysis

UNIT - IV

Pattern Recognition: State-of-Art damage identification and pattern reorganization methods, neural networks, Feature extraction algorithms

UNIT - V

Case studies: SHM based flaw detection in mechanical structures- Integrity and damage recognition in plates and pipes, defect identification in weld joints, Wear monitoring in cutting tools

REFERENCE BOOKS:

• 1. Daniel Balageas, Claus-Peter Fritzen and Alfredo Guemes, Structural Health Monitoring, John Wiley & Sons, 2006.
• 2. Victor Giurgiutiu, Structural Health Monitoring with Piezoelectric wafer Active Sensors, Academic Press, 2008. M.Tech I Year – II Sem. (Engineering Design) COMPUTER AIDED TESTING, ANALYSIS AND MODELLING LAB TESTING
• 1. Preparation and study of the Micro Structure of ferrous metals and alloys.
• 2. Preparation and study of the Microstructure of nonferrous metals and alloys.
• 3. Effect of tempering time on the hardness of quenched carbon steels.
• 4. Effect of tempering temperature on the hardness of a hardened carbon steels.
• 5. Preparation of metallic specimens by electro polishing.
• 6. Study of work hardening characteristics of a pure metal.
• 7. Determination of carbon percentage in the given ferrous specimen. MODELING
• 1. Surface modeling.
• 2. Solid modeling.
• 3. Drafting.
• 4. Assembling. ANALYSIS OF STRUCTURES USING FEA PACKAGES
• 1. Static Analysis.
• 2. Modal Analysis.
• 3. Harmonic Analysis.
• 4. Spectrum Analysis.
• 5. Buckling Analysis.
• 6. Analysis of Composites.
• 7. Fracture mechanics.
• 8. Transient analysis