Large-deformation crystal plasticity simulation of microstructure and microtexture evolution through adaptive remeshing
نویسندگان
چکیده
The capability of high-resolution modeling crystals subjected to large plastic strain is essential in predicting many important phenomena occurring polycrystalline materials, such as microstructure, deformation localization and in-grain texture evolution. However, due the heterogeneity polycrystals, simulation mesh gets distorted during deformation. This distortion deteriorates accuracy results, after reaching high local levels, it no longer possible continue simulation. In this work, two different adaptive remeshing approaches are introduced for simulating 3D polycrystals with resolution under periodic boundary conditions. first approach, a new geometry created, then restarted which initial state set based on last that had been reached. second smoothened by removing part deformation, continued finding equilibrium smoothed geometry. method highly efficient conducting large-deformation simulations. On other hand, method’s primary advantage can overcome periodicity issues related shear loading, be used conjunction complex loading merits methodologies demonstrated using full-field simulations performed dislocation-density-based crystal plasticity model Interstitial free (IF-) steel. Particular emphasis put studying effect meshing. algorithms presented have implemented into open-source software package, DAMASK (Düsseldorf Advanced Material Simulation Kit).
منابع مشابه
Adaptive Remeshing for Real-Time Mesh Deformation
We present an adaptive isotropic remeshing technique that is fast enough to be used in interactive applications, such as mesh deformation or mesh sculpting. Previous real-time remeshing techniques are either not adaptive, hence requiring too many triangles, or make compromises in terms of triangle quality. High quality adaptive remeshing techniques are too slow for interactive applications. In ...
متن کاملRealistic microstructure-based modelling of cyclic deformation and crack growth using crystal plasticity
Using crystal plasticity, finite element analyses were carried out to model cyclic deformation for a low solvus high refractory (LSHR) nickel superalloy at elevated temperature. The analyses were implemented using a representative volume element (RVE), consisting of realistic microstructure obtained from SEM images of the material. Monotonic, stress-relaxation and cyclic test data at 725 C were...
متن کاملError indicators and adaptive remeshing in large deformation finite element analysis
We present and use a system of adaptive procedures for large-deformation finite element analysis of elastic and elastoplastic problems using the h-refinement approach. The procedures include a pointwise indicator for error in stresses, a pointwise indicator for error in plastic strain increments, a quadrilateral element mesh generator for generating completely new meshes on the deformed configu...
متن کاملAdaptive 3D Remeshing for Metal Forming Simulation
An alternative remeshing methodology for 3D Abaqus explicit analyses which utilizes mesh mapping is presented. Excessive element distortion in 3D large deformation analyses necessitates remeshing, however in Abaqus explicit, the standard 3D remeshing techniques limits the analyst’s choice of element type. The presented technique allows remeshing of 3D perfectly plastic fully integrated higher o...
متن کاملAdaptive Remeshing Method via Inversion of Element Anisotropy in Large Deformation Finite Element Analysis
The large deformation finite element analysis such as metal forming analysis usually involves processes to deform, stamp, or punch a part drastically, which causes great changes in shape of the part during the simulation. As the part is reshaped, the mesh elements are deformed, and element shape quality is decaying as analysis continues. To resolve this problem, it is common to adaptively remes...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: International Journal of Plasticity
سال: 2021
ISSN: ['1879-2154', '0749-6419']
DOI: https://doi.org/10.1016/j.ijplas.2021.103078