Implementation of Molding Constraints in Topology Optimization

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Abstract

In many cases the topology optimization method yield inadmissible solutions in respect to a particular manufacturing process, e.g. injection molding. In the present work it is chosen to focus on the most common injection molding parameters/factors determining the quality of the mold geometry, i.e. uniform thickness, filling of the die and ejection of the molded item, i.e. extrusion. The mentioned injection mold parameters/factors are introduced in the topology optimization by defining a centerline of the initial domain and then penalize elements in respect to the distance to the defined centerline of the domain.
Original languageEnglish
Title of host publicationProceedings of the Twenty Second Nordic Seminar on Computational Mechanics
EditorsLars Damkilde, Lars Andersen, Anders Schmidt Kristensen, Erik Lund
PublisherDepartment of Civil Engineering, Aalborg University
Publication date2009
Pages39-42
Publication statusPublished - 2009
EventThe Nordic Seminar on Computational Mechanics - Aalborg, Denmark
Duration: 22 Oct 200923 Oct 2009
Conference number: 22

Conference

ConferenceThe Nordic Seminar on Computational Mechanics
Number22
Country/TerritoryDenmark
CityAalborg
Period22/10/200923/10/2009
SeriesDCE Technical Memorandum
Number11
ISSN1901-7278

Keywords

  • Topology optimization
  • Injection molding
  • Manufacturing constraints

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