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 article, three different exponential map algorithms for associative von-Mises plasticity with linear isotropic and kinematic hardening were considered, based on a different formulation of the time continuous plasticity model.
Abstract: SUMMARY We consider three different exponential map algorithms for associative von-Mises plasticity with linear isotropic and kinematic hardening. The first scheme is based on a different formulation of the time continuous plasticity model, which automatically grants the yield consistency of the method in the numerical solution. The second one is the quadratically accurate but non-yield consistent method already proposed in Auricchio and Beirao da Veiga (Int. J. Numer. Meth. Engng 2003; 56: 1375–1396). The third method is an improved version of the second one, in which the yield consistency condition is enforced a posteriori. We also compare the performance of the three methods with the classical radial return map algorithm. We develop extensive numerical tests which clearly show the main advantages and disadvantages of the three methods. Copyright 2005 John Wiley & Sons, Ltd.
26 citations
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TL;DR: In this article, the authors proposed a new yield criterion to describe plasticity of composites containing whiskers and short fibers, which, at appropriate limits, reduces to Hill anisotropic and Hoffman isotropic yield criterion.
26 citations
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09 Jul 2004
TL;DR: In this article, two non-quadratic yield functions for orthotropic sheet metals based on linear transformations of the stress deviator components are presented, which are convex and are formulated in terms of the general (3D) stress state.
Abstract: Two non‐quadratic yield functions for orthotropic sheet metals based on linear transformations of the stress deviator components are presented. Both yield functions are convex and are formulated in terms of the general (3D) stress state. The first yield function contains 18 adjustable anisotropy parameters which may be calculated from selected mechanical input data such as directional in‐plane stresses, r‐values, equibiaxial data and out‐of‐plane yield stresses (obtained e.g. from polycrystal plasticity calculations). For situations where fewer input parameters are available a second yield function containing 13 adjustable anisotropy parameters is proposed. The predictive capabilities of both yield functions are demonstrated by modelling the plastic anisotropy of aluminum alloy sheets.
26 citations
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01 Feb 1998TL;DR: In this article, an efficient method for calculation of RMS von Mises stresses from stress component transfer functions and the Fourier representation of random input forces is presented, and an efficient implementation of the method calculates the RMS stresses directly from the linear stress and displacement modes.
Abstract: An efficient method is presented for calculation of RMS von Mises stresses from stress component transfer functions and the Fourier representation of random input forces. An efficient implementation of the method calculates the RMS stresses directly from the linear stress and displacement modes. The key relation presented is one suggested in past literature, but does not appear to have been previously exploited in this manner.
26 citations
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TL;DR: In this article, the potential flow over symmetric airfoils has been formulated in terms of von Mises coordinates, and a rectangular computational domain with Dirichlet boundary conditions for the single unknown y (x, ψ) is provided.
26 citations