The theoretical and experimental work, performed during a three year study concerned with a research investigation of nondestructive holographic techniques for structures inspection, are reviewed. Topics discussed include the following: General studies - physical environment effects; General studies - surface finish effects; General studies - develop suitable techniques for a manufacturing or maintenance environment; Specific problem investigations - maximum strain and strain patterns; Specific problem investigations - fatigue cracks; Specific problem investigations - NDT.
· 1906
· 2012
Holographic Nondestructive Testing presents a unified discussion of the principles and methods of holography and its application holographic nondestructive testing. The book discusses in detail the basic theoretical concepts, the experimental methods for recording holograms, and different specialized holographic techniques. Several kinds of holography are discussed in the beginning chapters such as continuous-wave holography, pulsed holography, and interferometric holography. Other topics covered in the book are holographic surface contouring, holographic correlation, and holographic vibration analysis. Microwave and acoustical holography are the major areas of interest in Chapters 9 and 10. The text serves as an important reference to both engineers and optical scientists.
The report focuses on migration dynamics between Morocco and the European Union. Based on an extensive survey of 2, 500 Moroccan households in five provinces in Morocco as well as in five Spanish regions, the study analyses the reasons for migration and identifies issues that need to be addressed to moderate existing migration pressure..