Abstract
Data preparation for computer simulation of cross-wedge rolling (CWR) process based on ANSYS/LS-DYNA finite element code is considered in the article. In order to automate the process of developing CWR models and performing their finite element analysis, specialized software (PSPD) was developed. This software provides creation of a finite element (FE) model of the rolling process considering the specifics of CWR technological processes and different aspects of the application of the finite element methods (FEM) in the metal-forming processing. PSPD interacts with the base system through APDL scripts, that describe individual sequences of actions for preparing the FE model and choosing solver parameters to run the task. PSPD provides a graphical user interface (GUI) which allows users to enter necessary data for generating APDL scripts, the model builds automatically in ANSYS in batch mode when scripts are run. Also, PSPD provides preparation of the FE model for solver and provides managing the calculation process. In addition to describing the functionality and features of the program and its GUI, the article provides techniques and methods of FE model preparation for computer analysis using the developed software as well as the main steps of creating FE model in ANSYS/LS-DYNA, which are automated in PSPD. PSPD can significantly reduce the demand for knowledge in the field of computer simulation to the engineers engaged in the development of tools and technical processes for rolling, it allows quickly creating and modifying FE models, performing CWR research for a variety of input data of process technology and solver parameters.
Highlights
Data preparation for computer simulation of cross-wedge rolling (CWR) process based on ANSYS/LS-DYNA finite element code is considered in the article
In addition to describing the functionality and features of the program and its graphical user interface (GUI), the article provides techniques and methods of finite element (FE) model preparation for computer analysis using the developed software as well as the main steps of creating FE model in ANSYS/LS-DYNA, which are automated in PSPD
PSPD can significantly reduce the demand for knowledge in the field of computer simulation to the engineers engaged in the development of tools and technical processes for rolling, it allows quickly creating and modifying FE models, performing CWR research for a variety of input data of process technology and solver parameters
Summary
Data preparation for computer simulation of cross-wedge rolling (CWR) process based on ANSYS/LS-DYNA finite element code is considered in the article. В качестве программной среды для проведения компьютерного моделирования процессов прокатки с использованием МКЭ выбрано решение на базе ANSYS/LS-DYNA. Однако из-за своей универсальности в ANSYS/LS-DYNA нет специальных средств для моделирования конкретно процессов ПКП, поэтому для построения адекватной компьютерной модели прокатки требуются знания не только в предметной области, но и метода конечных элементов, интерфейса программной среды инженерного анализа, а также правил и методик создания КЭ моделей.
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