cranfield university mahadi abd murad an integrated structural ...
cranfield university mahadi abd murad an integrated structural ...
cranfield university mahadi abd murad an integrated structural ...
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2.6.3 Optical Fibre Sensor (OFS) ...................................................................... 37<br />
2.6.4 SHM using Electrical Strain Gauges ........................................................ 40<br />
2.7 Introduction to Finite Element Analysis (FEA) ............................................... 42<br />
2.7.1 Stress Concentration Factor (SCF) <strong>an</strong>d Stress Intensity Factor (SIF)<br />
Measurement in Pipeline .......................................................................... 45<br />
2.8 Experimental Approach ................................................................................... 49<br />
2.9 Why is SHM import<strong>an</strong>t in the composite repair? ............................................ 51<br />
2.10 Summary <strong>an</strong>d Conclusions .............................................................................. 53<br />
3 FINITE ELEMENT ANALYSIS (FEA) IN THE COMPOSITE BASED PIPELINE<br />
REPAIR ................................................................................................................... 55<br />
3.1 Introduction ...................................................................................................... 55<br />
3.2 Objectives ........................................................................................................ 55<br />
3.3 Model <strong>an</strong>d Other Parameters Selection............................................................ 56<br />
3.4 Fundamentals of Modelling in Finite Element Analysis ................................. 57<br />
3.4.1 Element type selection .............................................................................. 57<br />
3.4.2 Mesh refinement ....................................................................................... 60<br />
3.4.3 Types of Algorithms ................................................................................. 63<br />
3.4.4 Artificial constraints ................................................................................. 66<br />
3.5 The influence of pressure on the FEA pipe model .......................................... 71<br />
3.5.1 Pressure test on the converged model....................................................... 71<br />
3.6 To determine other factors‘ influences on the Numerical Model .................... 74<br />
3.6.1 Introduction .............................................................................................. 74<br />
3.6.2 Comparison of Results ............................................................................. 74<br />
3.6.3 Concluding Remarks ................................................................................ 79<br />
3.7 The simulation of blunt defect behaviour in a thin walled cylinder (FE Pipe<br />
Model) .............................................................................................................. 79<br />
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