#7128. A Comparative Study of Joint Modeling Methods and Analysis of Fasteners

November 2026publication date
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Journal’s subject area:
Aerospace Engineering;
Mechanical Engineering;
Mechanics of Materials;
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Abstract:
One of the more crucial aspects of any mechanical design is the joining methodology of parts. During structural dynamic environments, the ability to analyze the joint and fasteners in a system for structural integrity is fundamental, especially early in a system design during design trade studies. Different modeling representations of fasteners include spring, beam, and solid elements. In this work, we compare the various methods for a linear system to help the analyst decide which method is appropriate for a design study. Ultimately, if stresses of the parts being connected are of interest, then we recommend the use of the Ring Method for modeling the joint. If the structural integrity of the fastener is of interest, then we recommend the Spring Method.
Keywords:
Fasteners; Finite element modeling; Joint modeling; Structural dynamics

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