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User Defined FE Based Connector Joints for Plastics
Technical Paper
2020-01-0186
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
Spot Welds are a category of welds used extensively in automotive structures, normally for metals. The fatigue analysis of such spot welds can be evaluated using (a) the Point 2 Point (P2P) method where a beam or bar is used to connect the 2 surfaces being joined, (b) a more modern approach where the 1D element is replaced with an “equivalent” brick element, or (c) a third approach that falls somewhere between where a “spider” and circular ring of elements, is used to represent the spot weld. In all 3 cases there is an assumption that the cross section is circular. For some specialist cases such as plastic connectors, the cross section is not circular so a new user defined weld is proposed. This paper will describe the approach that is based on the concept that a user generated tensor line can be used (equivalent to the theoretical Force/Moment to stress algorithms built into the P2P approach) along with special S-N curves create for different joint shapes.
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Citation
Thesing, T., Bishop, N., Murthy, P., and Karger, O., "User Defined FE Based Connector Joints for Plastics," SAE Technical Paper 2020-01-0186, 2020, https://doi.org/10.4271/2020-01-0186.Data Sets - Support Documents
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