Hinged beam elements for the topology design of compliant mechanisms using the ground structure approach

Deepak S. Ramrkahyani, Mary I. Frecker, George A. Lesieutre

Research output: Chapter in Book/Report/Conference proceedingConference contribution

8 Citations (Scopus)

Abstract

The design obtained from a topology optimization problem can largely depend on the type of the ground structure used. A new type of ground structure containing hinged beam elements is described in this paper that reduces the dependence of the optimal design on the ground structure. Apart from the beam and truss elements that have traditionally been used, two new types of elements are introduced: 1) a beam with a hinge on one end and a solid connection on the other end, 2) beam element with hinges on both ends. These elements are particularly useful when applied to a compliant mechanism design using a truss/beam type ground structure. A couple of compliant mechanism problems are solved to demonstrate the effectiveness of these elements.

Original languageEnglish (US)
Title of host publicationProceedings of 2006 ASME International Design Engineering Technical Conferences and Computers and Information In Engineering Conference, DETC2006
Volume2006
StatePublished - 2006
Event2006 ASME International Design Engineering Technical Conferences and Computers and Information In Engineering Conference, DETC2006 - Philadelphia, PA, United States
Duration: Sep 10 2006Sep 13 2006

Other

Other2006 ASME International Design Engineering Technical Conferences and Computers and Information In Engineering Conference, DETC2006
CountryUnited States
CityPhiladelphia, PA
Period9/10/069/13/06

Fingerprint

Compliant mechanisms
Hinges
Topology
Shape optimization
Optimal design

All Science Journal Classification (ASJC) codes

  • Engineering(all)

Cite this

Ramrkahyani, D. S., Frecker, M. I., & Lesieutre, G. A. (2006). Hinged beam elements for the topology design of compliant mechanisms using the ground structure approach. In Proceedings of 2006 ASME International Design Engineering Technical Conferences and Computers and Information In Engineering Conference, DETC2006 (Vol. 2006)
Ramrkahyani, Deepak S. ; Frecker, Mary I. ; Lesieutre, George A. / Hinged beam elements for the topology design of compliant mechanisms using the ground structure approach. Proceedings of 2006 ASME International Design Engineering Technical Conferences and Computers and Information In Engineering Conference, DETC2006. Vol. 2006 2006.
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Ramrkahyani, DS, Frecker, MI & Lesieutre, GA 2006, Hinged beam elements for the topology design of compliant mechanisms using the ground structure approach. in Proceedings of 2006 ASME International Design Engineering Technical Conferences and Computers and Information In Engineering Conference, DETC2006. vol. 2006, 2006 ASME International Design Engineering Technical Conferences and Computers and Information In Engineering Conference, DETC2006, Philadelphia, PA, United States, 9/10/06.

Hinged beam elements for the topology design of compliant mechanisms using the ground structure approach. / Ramrkahyani, Deepak S.; Frecker, Mary I.; Lesieutre, George A.

Proceedings of 2006 ASME International Design Engineering Technical Conferences and Computers and Information In Engineering Conference, DETC2006. Vol. 2006 2006.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

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AB - The design obtained from a topology optimization problem can largely depend on the type of the ground structure used. A new type of ground structure containing hinged beam elements is described in this paper that reduces the dependence of the optimal design on the ground structure. Apart from the beam and truss elements that have traditionally been used, two new types of elements are introduced: 1) a beam with a hinge on one end and a solid connection on the other end, 2) beam element with hinges on both ends. These elements are particularly useful when applied to a compliant mechanism design using a truss/beam type ground structure. A couple of compliant mechanism problems are solved to demonstrate the effectiveness of these elements.

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Ramrkahyani DS, Frecker MI, Lesieutre GA. Hinged beam elements for the topology design of compliant mechanisms using the ground structure approach. In Proceedings of 2006 ASME International Design Engineering Technical Conferences and Computers and Information In Engineering Conference, DETC2006. Vol. 2006. 2006