?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.relation=http%3A%2F%2Fwww.eledia.org%2Fstudents-reports%2F401%2F&rft.title=Multicrack+Detection+in+Two-Dimensional+Structures+by+Means+of+Ga-Based+Strategies&rft.creator=Benedetti%2C+Manuel&rft.creator=Donelli%2C+Massimo&rft.creator=Massa%2C+Andrea&rft.subject=TU+Technical+Reports+and+Publications&rft.description=We+propose+a+methodological+approach+for+the+detection+of+multiple+defects+inside+dielectric+or+conductive+media.+Two+innovative+algorithms+are+developed+starting+from+the+inverse+scattering+equations+solved+by+means+of+different+optimization+strategies.+In+the+first+implementation%2C+a+hierarchical+strategy+based+on+parallel-subprocesses+is+considered%2C+whereas+the+second+algorithm+employs+a+single-process+architecture.+Whatever+the+implementation%2C+the+arising+cost+function+is+minimized+through+a+suitable+hybrid-coded+genetic+algorithm%2C+whose+individuals+encode+the+problem+unknowns.+In+order+to+achieve+a+computational+saving%2C+the+formulation+based+on+the+inhomogeneous+Green's+function+is+adopted+and+each+crack-region+is+parametrized+by+means+of+a+selected+set+of+descriptive+parameters.+The+approach+as+well+as+its+different+implementations+are+assessed+through+a+selected+set+of+numerical+experiments+and+in+comparison+with+previously+developed+single-crack+inverse+scattering+methods.+(c)+2007+IEEE.+Personal+use+of+this+material+is+permitted.+Permission+from+IEEE+must+be+obtained+for+all+other+users%2C+including+reprinting%2F+republishing+this+material+for+advertising+or+promotional+purposes%2C+creating+new+collective+works+for+resale+or+redistribution+to+servers+or+lists%2C+or+reuse+of+any+copyrighted+components+of+this+work+in+other+works.&rft.date=2007-01&rft.type=Technical+Report&rft.type=PeerReviewed&rft.format=text&rft.language=en&rft.identifier=http%3A%2F%2Fwww.eledia.org%2Fstudents-reports%2F401%2F1%2FDISI-11-073.pdf&rft.identifier=++Benedetti%2C+Manuel+and+Donelli%2C+Massimo+and+Massa%2C+Andrea++(2007)+Multicrack+Detection+in+Two-Dimensional+Structures+by+Means+of+Ga-Based+Strategies.++%5BTechnical+Report%5D+++++