Abstract
The development of an efficient numerical approach for the generation of a wide range of heterogeneous microstructures models with the application of the lean workflow concept is presented in the paper. First, the idea and implementation details of the developed cellular automata-based computational library allowing the development of digital material representation models within a workflow are presented in the paper. Such an approach provides the desired flexibility in the generation of various digital models of heterogenous microstructures. Therefore, the proposed library is mostly implemented within the object-oriented C + + programming language with the assumption of modularity. In this case, the main part of the application consists of classes and methods, which can be treated like base elements to be inherited and extended in other libraries. Each additional dynamic link library implements particular algorithms for the generation of specific microstructure features in the digital model within the unified data structures that allow the application of the workflow concept. The set of developed libraries and their assumptions are described as case studies to show the capabilities of the presented solution. Finally, examples of practical applications of the developed library in the full-field numerical simulations of complex material deformation are presented at the end of the paper.
Highlights
The main part of the application consists of classes and methods with a unified data structure, which can be treated like base elements to be inherited and extended in other libraries
– The modularity and unified data structures of the developed library allow the use of the workflow concept
– The DigiCore can be extended by adding new libraries implementing other microstructure processing algorithms to obtain models of various heterogeneous microstructures
Summary
The finite element method is among the most commonly used approaches in modern computational engineering. It has been intensively applied to a numerical investigation of different metal forming operations as an efficient tool for computer-aided development of new processing solutions [1]. In this case, the accuracy of the obtained results is directly related to the applied finite element mesh density, initial and boundary conditions or material hardening law. The accuracy of the obtained results is directly related to the applied finite element mesh density, initial and boundary conditions or material hardening law The latter is important as it directly captures the physical mechanisms responsible for metal deformation
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