Thermo-mechanical Modeling Of Additive Manufacturing by Michael GougeThermo-mechanical Modeling Of Additive Manufacturing by Michael Gouge

Thermo-mechanical Modeling Of Additive Manufacturing

byMichael GougeEditorPan Michaleris

Paperback | August 7, 2017

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Thermo-mechanical Modeling of Additive Manufacturingprovides the background, methodology and description of modeling techniques to enable the reader to perform their own accurate and reliable simulations of any additive process. Part I provides an in depth introduction to the fundamentals of additive manufacturing modeling, a description of adaptive mesh strategies, a thorough description of thermal losses and a discussion of residual stress and distortion. Part II applies the engineering fundamentals to direct energy deposition processes including laser cladding, LENS builds, large electron beam parts and an exploration of residual stress and deformation mitigation strategies. Part III concerns the thermo-mechanical modeling of powder bed processes with a description of the heat input model, classical thermo-mechanical modeling, and part scale modeling.

The book serves as an essential reference for engineers and technicians in both industry and academia, performing both research and full-scale production. Additive manufacturing processes are revolutionizing production throughout industry. These technologies enable the cost-effective manufacture of small lot parts, rapid repair of damaged components and construction of previously impossible-to-produce geometries. However, the large thermal gradients inherent in these processes incur large residual stresses and mechanical distortion, which can push the finished component out of engineering tolerance. Costly trial-and-error methods are commonly used for failure mitigation. Finite element modeling provides a compelling alternative, allowing for the prediction of residual stresses and distortion, and thus a tool to investigate methods of failure mitigation prior to building.



  • Provides understanding of important components in the finite element modeling of additive manufacturing processes necessary to obtain accurate results
  • Offers a deeper understanding of how the thermal gradients inherent in additive manufacturing induce distortion and residual stresses, and how to mitigate these undesirable phenomena
  • Includes a set of strategies for the modeler to improve computational efficiency when simulating various additive manufacturing processes
  • Serves as an essential reference for engineers and technicians in both industry and academia
Michael Gouge is a Research Engineer for Autodesk where he focuses on validating and improving the thermo-mechanical modeling of additive manufacturing processes. He completed a Ph.D in mechanical engineering at the Pennsylvania State University under Dr. Pan Michaleris. His graduate research was on the finite element modeling of heat ...
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Title:Thermo-mechanical Modeling Of Additive ManufacturingFormat:PaperbackDimensions:294 pages, 8.75 × 6.35 × 0.68 inPublished:August 7, 2017Publisher:Butterworth (trade)Language:English

The following ISBNs are associated with this title:

ISBN - 10:0128118202

ISBN - 13:9780128118207

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Table of Contents

Part I - The fundamentals of additive manufacturing modeling

1. An introduction to additive manufacturing processes and their modeling challenges

Michael Fielding Gouge, Pan Michaleris

2. The Finite Element Method for the Thermo-Mechanical Modeling of Additive Manufacturing Processes

Erik Denlinger, Jeff Irwin, Michael Fielding Gouge

Part II Thermomechanical modeling of Direct Energy Deposition processes

3. Convection Boundary Losses During Laser Cladding

Michael Fielding Gouge

4. Conduction Losses due to Part Fixturing During Laser Cladding

Michael Fielding Gouge

5. Microstructure and Material Properties of AM Builds

Allison Michelle Beese

6. Understanding microstructure evolution during additive manufacturing of metallic alloys using phase-field modeling

Yanzhou Ji, Lei Chen, Long-Qing Chen

7. Modeling Microstructure and Material Properties of AM Processes Using the FE Method

Jeff Irwin

8. Thermo-mechanical Modeling of Thin Wall Builds Using the Direct Process

Jarred Heigel

9. Residual Stress and Distortion Modeling of Electron Beam Direct Manufacturing Ti-6Al-4V

Erik Denlinger

10. Thermo-mechanical Modeling of Large Electron Beam Builds

Erik Denlinger

11. Mitigation of Distortion in Large Additive Manufacturing Parts

Erik Denlinger

Part III Thermomechanical modeling of powder bed processes

12. Development and Numerical Verification of an Adaptive Mesh Coarsening Strategy for Simulating Laser Powder Bed Fusion Processes

Erik Denlinger

13. Experimental Validation for In Situ Distortion Modeling of the Laser Powder Bed Fusion Process

Erik Denlinger

14. Scan Pattern Effects in Laser Powder Bed Fusion Processes: In Situ Measurements and Experimental Validation

Alexander Dunbar

15. Experimental Validation of Multi-scale Thermo-mechanical Modeling of Laser Powder Bed Fusion Processes

Jeff Irwin, Michael Fielding Gouge

Appendix

Michael Fielding Gouge