Koohyar PooladvandOct 3, 20216 min readModal analysis and 3D printing, how plate theory (Kirchhoff-Love ) helps 3D printing!Introduction Cantilever and constrained plates and beams have been employed for analyses of the mechanical properties and have proven to...
Koohyar PooladvandAug 7, 20214 min readShearography, a useful non-invasive optical metrology for structural testing and qualifications!Introduction Shearography or Speckle pattern shearing interferometry is a full-field non-contact optical technique, usually used for the...
Koohyar PooladvandJul 4, 20215 min readPrinciple of thermography and IR imaging in AM, How to calibrate an IR camera and selected material?Temperature and cooling rates, as reported in several studies, play crucial roles in the additive manufacturing processes, and measuring...