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, a numerical approach based on a hybrid particulate-lattice model in which discrete elements are linked by cohesive forces through beam elements is proposed to predict the effective elastic behavior of heterogeneous continuous materials using discrete element method.
Abstract: The present paper deals with a novel method to predict the effective elastic behavior of heterogeneous continuous materials using discrete element method. This work uses a numerical approach based on a hybrid particulate-lattice model in which discrete elements are linked by cohesive forces through beam elements. Mechanical tests, carried out on particulate composite material, are performed in terms of effective elastic properties and stress fields which exhibit a good adequation with other numerical and analytical approaches such as the finite element method and the Fast Fourier Transform based method. As an example, the proposed approach is performed to predict the elastic properties of a ceramic/resin composite as well as the local effects by means of equivalent Von Mises stress.
27 citations
TL;DR: In this paper, an alternative scheme for the integration of incremental plasticity constitutive equations is presented and discussed, based on a linear inequality theory approach and exploits the idea of the "a posteriori" local linearization of the yield surface.
Abstract: An alternative scheme for the integration of incremental plasticity constitutive equations is presented and discussed. The method is based on a linear inequality theory approach and exploits the idea of the “a posteriori” local linearization of the yield surface. Results of both the flow theory of plasticity and the deformation theory can be obtained with a predetermined maximum violation of both the yield condition and the flow rule. Numerical results are shown, and compared to analytical solutions as well as to the results of other methods for the simple case of the von Mises yield function.
26 citations
TL;DR: By applying theory of liquid-solid two-phase flow, the location and process of wear on pump are analyzed as mentioned in this paper, and the results are consistent with the real wear situation. But the simulation results showed that there will be pits on the surface of flow components due to the impacting of coal particles with certain diameter, shape, impacting velocity and invasive angle.
26 citations
TL;DR: In this paper, a general three-dimensional failure criterion for plain concrete is proposed, which is formulated in terms of three normalized stress invariants and includes material parameters which may be obtained from experimental data.
26 citations
TL;DR: In this article, a consistency condition was established that the combined type hardening law is expected to behave the same as the full isotropic hardening for monotonously proportional loading, regardless of anisotropic yield functions which are coupled with the combined Type Hardening Law.
26 citations