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  <doc>
    <id>26410</id>
    <completedYear/>
    <publishedYear>2020</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst>1190</pageFirst>
    <pageLast>1196</pageLast>
    <pageNumber/>
    <edition/>
    <issue/>
    <volume>Vol. 47</volume>
    <type>articler</type>
    <publisherName/>
    <publisherPlace/>
    <creatingCorporation/>
    <contributingCorporation/>
    <belongsToBibliography>0</belongsToBibliography>
    <completedDate>2020-12-01</completedDate>
    <publishedDate>--</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">A Simple Approach to Stiffness Enhancement of a Printable Shape by Hamilton-Jacobi Skeletonization</title>
    <abstract language="eng">The 3D-Printing technology is ready to produce parts with specific properties like individual stiffness. Based on a predefined outer shape, the inner structure of a printed part defines mainly the mechanical features. By Hamilton-Jacobi skeletonization, a stiffness enhancement of a printable shape can be achieved in a way, that a novel AM-corner includes linear axis function. Originating in the field of shape analysis in computer vision and graphics, the so-called medial axis transform (MAT) is designed for the computation of a structure that resembles the bone structure of biological shapes. The input for MAT computation is typically a shape’s boundary. The arising topological skeletons have proven to provide a useful concept for many applications; however, their computation is generally intricate and also known to rely on many parameters, diminishing the accessibility of skeletonization methods. In this work, the classical Hamilton-Jacobi skeletonization approach is adopted to compute a stability enhancing shape structure. As the basic method has not been designed for the context of additive manufacturing, a set of suitable modifications are introduced to design an algorithm that suits our intended purpose. Unlike the traditional skeletonization schemes, the resulting method appears to be robust and in practice almost completely automated as we can identify useful generic parameter settings. By a finite element method (FEM) study, the elastic stress properties of the AM-corner with linear axis function is validated and printed with in metal (1.4404) with the 3D Selected Laser Melting (SLM) system AconityMIDI. The AM-knot with skeletonization guides approximately 20 times better than a standard knot. While the first obtained results are shown as 2.5 dimensional shapes, it is emphasized that the proposed algorithm offers many possibilities for extensions to three dimensions and variations in context of additive manufacturing.</abstract>
    <parentTitle language="eng">Procedia Manufacturing</parentTitle>
    <identifier type="doi">10.1016/j.promfg.2020.04.147</identifier>
    <identifier type="issn">2351-9789</identifier>
    <note>23rd International Conference on Material Forming (ESAFORM 2020)</note>
    <enrichment key="BTU">an der BTU erstellt / created at BTU</enrichment>
    <enrichment key="Fprofil">1 Energiewende und Dekarbonisierung / Energy Transition and Decarbonisation</enrichment>
    <enrichment key="Fprofil">4 Künstliche Intelligenz und Sensorik / Artificial Intelligence and Sensor Technology</enrichment>
    <author>
      <firstName>Michael</firstName>
      <lastName>Breuß</lastName>
    </author>
    <submitter>
      <firstName>Annette</firstName>
      <lastName>Kallweit</lastName>
    </submitter>
    <author>
      <firstName>Johannes</firstName>
      <lastName>Buhl</lastName>
    </author>
    <author>
      <firstName>Ashkan</firstName>
      <lastName>Mansouri Yarahmadi</lastName>
    </author>
    <author>
      <firstName>Markus</firstName>
      <lastName>Bambach</lastName>
    </author>
    <author>
      <firstName>Pascal</firstName>
      <lastName>Peter</lastName>
    </author>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Skeletonization</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Hamilton-Jacobi skeletonization</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>stiffness enhancement</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>3D printing</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>additive manufacturing</value>
    </subject>
    <collection role="institutes" number="1303">FG Angewandte Mathematik</collection>
    <collection role="institutes" number="3405">FG Hybride Fertigung</collection>
  </doc>
  <doc>
    <id>33444</id>
    <completedYear/>
    <publishedYear>2024</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst>63</pageFirst>
    <pageLast>69</pageLast>
    <pageNumber/>
    <edition/>
    <issue>1</issue>
    <volume>2024</volume>
    <type>articler</type>
    <publisherName/>
    <publisherPlace/>
    <creatingCorporation/>
    <contributingCorporation/>
    <belongsToBibliography>0</belongsToBibliography>
    <completedDate>2024-04-25</completedDate>
    <publishedDate>--</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">Safeguarding Against Risks in the Wire Arc Additive Manufacturing Process</title>
    <abstract language="eng">In this article, the potential risks in wire arc additive manufacturing are analyzed using failure mode and effects analysis. To achieve this, 186 possible causes of risk were analyzed and the five most critical risks were discussed in detail. Four significant risk factors were identified in the construction process. The fifth risk relates to the shielding gas flow. This is only one influencing factor among the welding parameters, which have strong interactions with each other. Therefore, their relationships should be analyzed on the basis of numerous tests.</abstract>
    <parentTitle language="eng">Industry 4.0 Science</parentTitle>
    <identifier type="doi">10.30844/I4SE.24.1.63</identifier>
    <identifier type="issn">2942-6170</identifier>
    <enrichment key="opus_doi_flag">false</enrichment>
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    <enrichment key="opus_doiImportPopulated">PublisherName,TitleMain_1,TitleParent_1,Issue,Volume,PublishedYear,IdentifierIssn</enrichment>
    <enrichment key="BTU">an der BTU erstellt / created at BTU</enrichment>
    <enrichment key="Referiert">Beitrag ist referiert / Article peer-reviewed</enrichment>
    <enrichment key="Publikationsweg">Open Access</enrichment>
    <enrichment key="opus.source">doi-import</enrichment>
    <enrichment key="opus.doi.autoCreate">false</enrichment>
    <enrichment key="opus.urn.autoCreate">false</enrichment>
    <enrichment key="Fprofil">1 Energiewende und Dekarbonisierung / Energy Transition and Decarbonisation</enrichment>
    <enrichment key="Fprofil">3 Globaler Wandel und Transformationsprozesse / Global Change and Transformation Processes</enrichment>
    <author>
      <firstName>Lennart</firstName>
      <lastName>Grüger</lastName>
    </author>
    <submitter>
      <firstName>Lennart</firstName>
      <lastName>Grüger</lastName>
    </submitter>
    <author>
      <firstName>Tim Sebastian</firstName>
      <lastName>Fischer</lastName>
    </author>
    <author>
      <firstName>Ralf</firstName>
      <lastName>Woll</lastName>
    </author>
    <author>
      <firstName>Johannes</firstName>
      <lastName>Buhl</lastName>
    </author>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>additive manufacturing</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>wire arc additive manufacturing</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>failure mode and effects analysis</value>
    </subject>
    <collection role="institutes" number="3405">FG Hybride Fertigung</collection>
    <collection role="institutes" number="3408">FG Qualitätsmanagement</collection>
  </doc>
</export-example>
