An inherent strain method using progressive element activation for fast distortion calculation in directed energy deposition

HIGHLIGHTS

  • What: In this work an inverse determination of an inherent strain is carried out on a 20-layer-high single-track-wide wall common theories are reviewed and an approach based on thermal strain is introduced. The aim of the inverse calibration is to approach an arbitrary chosen deviation of less than 10% of the maximum and minimum distortion of the thermomechanical simulation.
  • Who: Georg Seitz and collaborators from the Fraunhofer Institute for Production Systems and Design Technology (IPK), Berlin, Germany Institute for Machine Tools and Factory Management (IWF), Technical University of Berlin have published . . .

     

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