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Topology Optimization of Bench Problems—Stress and Deformation Perspective

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Recent Advances in Manufacturing, Automation, Design and Energy Technologies

Part of the book series: Lecture Notes in Mechanical Engineering ((LNME))

Abstract

Recent advances in topology optimization methods offer better material saving for complex structural applications. This paper investigates noticeable stress variations occurred in the optimized topology through finite element analysis (FEA) with the mesh size as a function to define the stress singularities. The total weight of structure is minimized with the density-based topology optimization scheme. In this article, material volume and element wise stresses are considered as constraints to minimize compliance. The Mitchel cantilever beam, Messerschmitt-Bölkow-Blohm (MBB) Beam, and L-Bracket members are analyzed as benchmark problems to discuss the importance of stress distribution. To find the solution for optimum topological design problem, density-based Simplified Isotropic Material with Penalization (SIMP) method is employed. This study is revealing the stress-based topology optimization is more suitable to achieve stabilized simulation.

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Authors and Affiliations

  1. National Institute of Technology Puducherry, Karaikal, 609609, India

    Dara Ashok, M. V. A. Raju Bahubalendruni & Johnney Mertens

Authors
  1. Dara Ashok
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  2. M. V. A. Raju Bahubalendruni
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  3. Johnney Mertens
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Editors and Affiliations

  1. Department of Mechanical Engineering, National Institute of Technology Puducherry, Karaikal, Puducherry, India

    Sendhil Kumar Natarajan

  2. School of Materials Science and Technology, Indian Institute of Technology (Banaras Hindu University), Varanasi, India

    Rajiv Prakash

  3. Department of Mechanical Engineering, National Institute of Technology Puducherry, Puducherry, India

    K. Sankaranarayanasamy

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Ashok, D., Raju Bahubalendruni, M.V.A., Mertens, J. (2022). Topology Optimization of Bench Problems—Stress and Deformation Perspective. In: Natarajan, S.K., Prakash, R., Sankaranarayanasamy, K. (eds) Recent Advances in Manufacturing, Automation, Design and Energy Technologies. Lecture Notes in Mechanical Engineering. Springer, Singapore. https://doi.org/10.1007/978-981-16-4222-7_80

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  • DOI: https://doi.org/10.1007/978-981-16-4222-7_80

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  • Publisher Name: Springer, Singapore

  • Print ISBN: 978-981-16-4221-0

  • Online ISBN: 978-981-16-4222-7

  • eBook Packages: EngineeringEngineering (R0)

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