31.3.1 An overview of the extended finite element method (XFEM) You can study the onset and propagation of cracking in quasi-static problems using the extended finite element method (XFEM). XFEM allows you to study crack growth along an arbitrary, solution-dependent path without needing to remesh your model. XFEM is available only for three-dimensional solid and two-dimensional planar models; three-dimensional shell models are not supported. You can use XFEM to study a crack in parts containing geometry, orphan mesh elements, or a combination of the two. You can choose to study a crack that grows arbitrarily through your model or a stationary crack.
You define an XFEM crack in the Interaction module. Belmapo sdacha na kategoriyu testi. You can specify the initial location of the crack. Alternatively, you can allow Abaqus to determine the location of the crack during the analysis based on the value of the maximum principal stress or strain calculated in the crack domain. For more information, see. Examples of XFEM models created in Abaqus/CAE are provided in.
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To perform an XFEM crack analysis, you must specify the following. To define the initial crack location, you can select faces from a three-dimensional solid or edges from a two-dimensional planar model. The initial crack location must be contained within the crack domain. Instrukciya specialista otvetstvennogo za osuschestvlenie proizvodstvennogo kon. A selected face can be a face of the solid, a face created by a partition, or a planar part instance. Similarly, a selected edge can be an edge of the solid, an edge created by a partition, or a wire part instance; you should not select a seam crack.
You should not mesh the faces or edges that you selected to define the initial crack location. Shows examples of the crack domain and the crack location for two- and three-dimensional geometry and orphan meshes.
Abaqus 6.10 with Crack Abaqus FEA (formerly ABAQUS) is a software suite for finite element analysis and computer-aided engineering, originally released in 1978. The name and logo of this software are based on the abacus calculation tool. The Abaqus product suite consists of five core software products: • Abaqus/CAE, or “ Complete Abaqus Environment” (a recursive acronym and backronym with an obvious root in Computer- Aided Engineering).
It is a software application used for both the modeling and analysis of mechanical components and assemblies (pre-processing) and visualizing the finite element analysis result. A subset of Abaqus/CAE including only the post-processing module can be launched independently in the Abaqus/Viewer product. • Abaqus/Standard, a general-purpose Finite-Element analyzer that employs implicit integration scheme (traditional). • Abaqus/Explicit, a special-purpose Finite-Element analyzer that employs explicit integration scheme to solve highly nonlinear systems with many complex contacts under transient loads. • Abaqus/CFD, a Computational Fluid Dynamics software application which provides advanced computational fluid dynamics capabilities with extensive support for preprocessing and postprocessing provided in Abaqus/CAE. • Abaqus/Electromagnetic, a Computational electromagnetics software application which solves advanced computational electromagnetic problems.