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Processes simulations with multiscale materials models using a dedicated interface

Smyk Grzegorz, Szeliga Danuta

Computer Methods in Materials Science

2021

Vol. 21, No. 4

181--192

The main goal of this work is the integration of in-house software with commercial numerical software based on the finite element method (FEM). The main idea is to develop a universal interface to perform process simulations with multiscale models. The interface allows the combination of external procedures with commercial software with minimum programmer’s work putting in integration. As an example, the model of material recrystallization of steel was implemented, added to the commercial application, and the software was tested for a process defined as a sequence of compression and cooling. The material model takes into consideration each type of recrystallization that occurs during a sequence of thermal and mechanical processing such as static recrystallization (SRX), dynamic recrystallization (DRX), and meta-dynamic recrystallization (MDRX). It allows the prediction of recrystallized volume fraction (X) and grain growth on each step of numerical simulation for each Gauss point in the computation domain. The presented multiscale model of process sequences not only allows to calculate microscale model parameters such as grain growth and recrystallized volume fraction, but also reflects the impact of the microscale model on macroscale parameters.

Spójność modeli komputerowych w inżynierii biznesu. Modele IDEF

Kacprzak M., Kaczmarczyk A.

Elektronika : konstrukcje, technologie, zastosowania

2008

Vol. 49, nr 10

128-132

Przedstawiono problemy integracji modeli aspektowych IDEF. Rozpatrzono przykład integracji dwóch podstawowych modeli: funkcji (IDEFO) i informacji (IDEF1X). Opisano dodatkowe kryteria poprawności dla modelu funkcji, algorytm integracji obu rodzajów modeli i kryteria spójności modelu zintegrowanego.

Problems of the integration of IDEF particular models are presented. An example of the integration of two basic models: IDEFO function models and IDEF1X information models is considered. Additional correctness criteria for function models, an integration algorithm of the both kinds of models and consistency criteria for the integrated model are also described.