Topic
von Mises yield criterion
About: von Mises yield criterion is a research topic. Over the lifetime, 4374 publications have been published within this topic receiving 82642 citations. The topic is also known as: Von Mises stress.
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TL;DR: In this paper, a probabilistic model for the reliability analysis of adhesive bonded scarfed lap joints subjected to static loading is developed, which is representative for the main laminate in a wind turbine blade subjected to flapwise bending.
34 citations
TL;DR: In this paper, the effect of multiaxial loading scenario on surface topography in notched samples made of high-strength steels processed by both conventional and additive manufacturing techniques was studied.
34 citations
TL;DR: In this article, a finite element-based shape optimization program was developed for three-dimensional shell structures and the shape optimization of shell structures has been performed by a job control language and a reliable finite element package program, ANSYS, is used for structural analysis.
34 citations
TL;DR: In this article, a homogenized multigrid XFEM approach has been proposed to simulate the stable crack growth in ductile material using finite strain plasticity, and the accuracy and effectiveness of the proposed approach have been verified by solving several stable crack problems.
34 citations
TL;DR: The highest amount of stress was detected in sample C at the inner surface of the fixture under a non-axial load of 300 N, and stress concentration decreased when the internal surface area increased.
Abstract: Background and aims. The aim of this study was to determine the stress patterns within an implant and the effect of different types of connections on load transfer. Materials and methods. Three different types of implant-abutment connections were selected for this study. Sample A: 1.5-mm deep internal hex corresponding to a lead-in bevel; sample B: a tri-channel internal connection; and sample C: in-ternal Morse taper with 110 degrees of tapering and 6 anti-rotational grooves. Four types of loading conditions were simu-lated in a finite element model, with the maximum von Mises stress set as output variables. Results. The maximum stress concentration at the inner surface of the fixtures was higher than the stress value in bone in all of the samples. Stress values in sample B were the lowest amongst all of the models. Any alterations in the amount and direction of the 100-N axial load resulted in an increase in fixture surfaces stress. Overall, the highest amount of stress (112 MPa) was detected in sample C at the inner surface of the fixture under a non-axial load of 300 N. Conclusion. Stress concentration decreased when the internal surface area increased. Creating three or six stops in the internal surface of the fixtures resulted in a decrease in stress.
34 citations