The stress-strain state simulation of the aircraft fuselage stretch forming in the ANSYS

Andrianov, Ivan K.; Станкевич, А. И.

doi:10.1088/1742-6596/1333/8/082002

Cited by 16 publications

(2 citation statements)

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“…Investigations of lubrication materials for resistance increase of dies and coatings are described in [5,6]. The problems related to mathematical description of metal forming processes are observed in [7], while mathematical methods of correlation analysis for evaluation of availability of die materials are examined in [8]. Application of finite element analysis for simulation of metal forming processes ere researched in [9,10].…”

Section: Introductionmentioning

confidence: 99%

Minimization of dies volume using uniform distribution of hollows in the conditions of multi-cycle fatigue dependence on temperature

Andrianov¹

2022

cisisr

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The research is devoted to development of a model of dies of optimized shape used in the field of metal forming. Use of solid-cast metal dies at the present stage of production requires large material resources, which makes it actual to develop dies models with minimal volume of material due to effective distribution of hollows in correspondence with the required strength resource. The dies mainly experience compressive non-uniform loading in the conditions of drawing and forming, which can lead to the accumulation of damages and lowering of its strength resource in the conditions of long-term operation of a die at high temperatures; therefore, the optimized area is represented in this work by alternating rod elements and hollows. The paper considers the problem of optimizing the volume of a metal die, presents a model for minimizing the die volume with restrictions on multi-cycle fatigue at various temperature conditions. The dependence between the volume of the optimized area and the number of loading cycles is obtained, taking into account the non-uniform loading of the die for axisymmetric forming. The main approach to reducing the die volume due to distribution of hollows was concluded in increase the stress state of the rod elements experiencing compressive stress to the limit values in accordance with the restriction on multi-cycle fatigue. The number of elements providing the required die stress state is calculated for different temperature conditions and preset geometrical parameters of the rod elements. When calculating the configuration of the optimized die area for axisymmetric forming, experimental curves of dependence between stress state and number of cycles for 12Kh1MF1 steel were considered at the constant temperature. The variants of the material distribution in the internal die area at preset temperatures are presented. Reduction of the optimized die volume was compared with a solid cast die. The constructed mathematical model and the results of calculation of the optimized die volume will significantly reduce the material costs for production of metal forming dies and can be used for further development of the methods for topological optimization of stamping tools, taking into account the features and duration of power and thermal loading.

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Section: Introductionmentioning

confidence: 99%

Minimization of dies volume using uniform distribution of hollows in the conditions of multi-cycle fatigue dependence on temperature

Andrianov¹

2022

cisisr

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“…Optimization issues based on strength criteria were discussed in [27]. The use of computer methods in applied mechanics, finite element modeling methods for estimating the stress-strain state were studied in [28][29][30].…”

Section: Introductionmentioning

confidence: 99%

Finite Element Calculation of the Polymer Stamp Material Redistribution under Restrictions on Fatigue Life

Andrianov¹

2022

MSF

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The numerical method of stamp topological optimization taking into account fatigue strength is presented in the work. It is proposed to take into account the restrictions on the stress state in accordance with the curve of the dependence of the maximum stresses on the number of loading cycles in the ESO topological optimization method. An approach to the selection of the evolutionary coefficient with a step-by-step increase in the rejection coefficient is proposed when constructing an iterative scheme for the rejection of elements by the method of topological optimization. The calculation of the stamp optimal topology with a decrease in volume due to the removal and redistribution of material was carried out in the study. The new geometric model of the optimal topology stamp is based on the predicted distribution of elements with a minimum stress level. The verification calculation of the stress state of the stamp of optimal topology with an assessment of fatigue strength was carried out in the work. The numerical calculation was carried out using the finite element method in the Ansys software package. The minimized stamp volume decreased by 35% according to the calculation results. The results of the study can be further applied in the development of topological optimization methods and in the design of stamping tools of optimal topology.

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Numerical Calculation of the Heat Sink Parameters of the Shell Turbine Vanes at the Modeling of the Heat-Protective Coating with a Different Number of Layers

Andrianov

Grinkrug

Vakuluk

2021

Current Problems and Ways of Industry Development: Equipment and Technologies

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The stress-strain state simulation of the aircraft fuselage stretch forming in the ANSYS

Cited by 16 publications

References 0 publications

Minimization of dies volume using uniform distribution of hollows in the conditions of multi-cycle fatigue dependence on temperature

Minimization of dies volume using uniform distribution of hollows in the conditions of multi-cycle fatigue dependence on temperature

Finite Element Calculation of the Polymer Stamp Material Redistribution under Restrictions on Fatigue Life

Numerical Calculation of the Heat Sink Parameters of the Shell Turbine Vanes at the Modeling of the Heat-Protective Coating with a Different Number of Layers

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