Advanced Modelling of Sheet Metal Forming Considering Anisotropy and Young’s Modulus Evolution

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STARMAN, Bojan ;VRH, Marko ;HALILOVIČ, Miroslav ;ŠTOK, Boris .
Advanced Modelling of Sheet Metal Forming Considering Anisotropy and Young’s Modulus Evolution. 
Strojniški vestnik - Journal of Mechanical Engineering, [S.l.], v. 60, n.2, p. 84-92, june 2018. 
ISSN 0039-2480.
Available at: <https://www.sv-jme.eu/article/advanced-modelling-of-sheet-metal-forming-considering-anisotropy-and-youngs-modulus-evolution/>. Date accessed: 06 jun. 2020. 
doi:http://dx.doi.org/10.5545/sv-jme.2013.1349.
Starman, B., Vrh, M., Halilovič, M., & Štok, B.
(2014).
Advanced Modelling of Sheet Metal Forming Considering Anisotropy and Young’s Modulus Evolution.
Strojniški vestnik - Journal of Mechanical Engineering, 60(2), 84-92.
doi:http://dx.doi.org/10.5545/sv-jme.2013.1349
@article{sv-jmesv-jme.2013.1349,
	author = {Bojan  Starman and Marko  Vrh and Miroslav  Halilovič and Boris  Štok},
	title = {Advanced Modelling of Sheet Metal Forming Considering Anisotropy and Young’s Modulus Evolution},
	journal = {Strojniški vestnik - Journal of Mechanical Engineering},
	volume = {60},
	number = {2},
	year = {2014},
	keywords = {springback; damage; elastic properties; stiffness degradation; anisotropy; plastic prestrain},
	abstract = {The paper focuses on the modelling of springback of a formed stainless steel sheet. The main subject of this work is the construction of a constitutive model which considers sheet anisotropy, damage evolution and stiffness degradation in material simultaneously during forming. The developed model is based on the Gurson-Tvergaard-Needleman damage model which is adequately extended by the implementation of the anisotropic Hill48 plasticity and Mori-Tanaka's approach to stiffness degradation. Considering thus established relationships, some material parameters included in the model are characterized from the corresponding measurements. The experimental validation of the developed constitutive model is performed on a springback test, which consists of bending and releasing rectangular stainless steel specimens that were previously prestrained plastically to a different degree, either in the rolling or transverse direction. A comparison of the proposed modelling approach with the classical approaches, e.g., von Mises and Hill48 models, clearly indicates that simultaneous modelling of material phenomena, especially the coupling of stiffness degradation with anisotropic plasticity, can be the true key to obtaining a more accurate prediction of the springback in sheet metal forming applications.},
	issn = {0039-2480},	pages = {84-92},	doi = {10.5545/sv-jme.2013.1349},
	url = {https://www.sv-jme.eu/article/advanced-modelling-of-sheet-metal-forming-considering-anisotropy-and-youngs-modulus-evolution/}
}
Starman, B.,Vrh, M.,Halilovič, M.,Štok, B.
2014 June 60. Advanced Modelling of Sheet Metal Forming Considering Anisotropy and Young’s Modulus Evolution. Strojniški vestnik - Journal of Mechanical Engineering. [Online] 60:2
%A Starman, Bojan 
%A Vrh, Marko 
%A Halilovič, Miroslav 
%A Štok, Boris 
%D 2014
%T Advanced Modelling of Sheet Metal Forming Considering Anisotropy and Young’s Modulus Evolution
%B 2014
%9 springback; damage; elastic properties; stiffness degradation; anisotropy; plastic prestrain
%! Advanced Modelling of Sheet Metal Forming Considering Anisotropy and Young’s Modulus Evolution
%K springback; damage; elastic properties; stiffness degradation; anisotropy; plastic prestrain
%X The paper focuses on the modelling of springback of a formed stainless steel sheet. The main subject of this work is the construction of a constitutive model which considers sheet anisotropy, damage evolution and stiffness degradation in material simultaneously during forming. The developed model is based on the Gurson-Tvergaard-Needleman damage model which is adequately extended by the implementation of the anisotropic Hill48 plasticity and Mori-Tanaka's approach to stiffness degradation. Considering thus established relationships, some material parameters included in the model are characterized from the corresponding measurements. The experimental validation of the developed constitutive model is performed on a springback test, which consists of bending and releasing rectangular stainless steel specimens that were previously prestrained plastically to a different degree, either in the rolling or transverse direction. A comparison of the proposed modelling approach with the classical approaches, e.g., von Mises and Hill48 models, clearly indicates that simultaneous modelling of material phenomena, especially the coupling of stiffness degradation with anisotropic plasticity, can be the true key to obtaining a more accurate prediction of the springback in sheet metal forming applications.
%U https://www.sv-jme.eu/article/advanced-modelling-of-sheet-metal-forming-considering-anisotropy-and-youngs-modulus-evolution/
%0 Journal Article
%R 10.5545/sv-jme.2013.1349
%& 84
%P 9
%J Strojniški vestnik - Journal of Mechanical Engineering
%V 60
%N 2
%@ 0039-2480
%8 2018-06-28
%7 2018-06-28
Starman, Bojan, Marko  Vrh, Miroslav  Halilovič, & Boris  Štok.
"Advanced Modelling of Sheet Metal Forming Considering Anisotropy and Young’s Modulus Evolution." Strojniški vestnik - Journal of Mechanical Engineering [Online], 60.2 (2014): 84-92. Web.  06 Jun. 2020
TY  - JOUR
AU  - Starman, Bojan 
AU  - Vrh, Marko 
AU  - Halilovič, Miroslav 
AU  - Štok, Boris 
PY  - 2014
TI  - Advanced Modelling of Sheet Metal Forming Considering Anisotropy and Young’s Modulus Evolution
JF  - Strojniški vestnik - Journal of Mechanical Engineering
DO  - 10.5545/sv-jme.2013.1349
KW  - springback; damage; elastic properties; stiffness degradation; anisotropy; plastic prestrain
N2  - The paper focuses on the modelling of springback of a formed stainless steel sheet. The main subject of this work is the construction of a constitutive model which considers sheet anisotropy, damage evolution and stiffness degradation in material simultaneously during forming. The developed model is based on the Gurson-Tvergaard-Needleman damage model which is adequately extended by the implementation of the anisotropic Hill48 plasticity and Mori-Tanaka's approach to stiffness degradation. Considering thus established relationships, some material parameters included in the model are characterized from the corresponding measurements. The experimental validation of the developed constitutive model is performed on a springback test, which consists of bending and releasing rectangular stainless steel specimens that were previously prestrained plastically to a different degree, either in the rolling or transverse direction. A comparison of the proposed modelling approach with the classical approaches, e.g., von Mises and Hill48 models, clearly indicates that simultaneous modelling of material phenomena, especially the coupling of stiffness degradation with anisotropic plasticity, can be the true key to obtaining a more accurate prediction of the springback in sheet metal forming applications.
UR  - https://www.sv-jme.eu/article/advanced-modelling-of-sheet-metal-forming-considering-anisotropy-and-youngs-modulus-evolution/
@article{{sv-jme}{sv-jme.2013.1349},
	author = {Starman, B., Vrh, M., Halilovič, M., Štok, B.},
	title = {Advanced Modelling of Sheet Metal Forming Considering Anisotropy and Young’s Modulus Evolution},
	journal = {Strojniški vestnik - Journal of Mechanical Engineering},
	volume = {60},
	number = {2},
	year = {2014},
	doi = {10.5545/sv-jme.2013.1349},
	url = {https://www.sv-jme.eu/article/advanced-modelling-of-sheet-metal-forming-considering-anisotropy-and-youngs-modulus-evolution/}
}
TY  - JOUR
AU  - Starman, Bojan 
AU  - Vrh, Marko 
AU  - Halilovič, Miroslav 
AU  - Štok, Boris 
PY  - 2018/06/28
TI  - Advanced Modelling of Sheet Metal Forming Considering Anisotropy and Young’s Modulus Evolution
JF  - Strojniški vestnik - Journal of Mechanical Engineering; Vol 60, No 2 (2014): Strojniški vestnik - Journal of Mechanical Engineering
DO  - 10.5545/sv-jme.2013.1349
KW  - springback, damage, elastic properties, stiffness degradation, anisotropy, plastic prestrain
N2  - The paper focuses on the modelling of springback of a formed stainless steel sheet. The main subject of this work is the construction of a constitutive model which considers sheet anisotropy, damage evolution and stiffness degradation in material simultaneously during forming. The developed model is based on the Gurson-Tvergaard-Needleman damage model which is adequately extended by the implementation of the anisotropic Hill48 plasticity and Mori-Tanaka's approach to stiffness degradation. Considering thus established relationships, some material parameters included in the model are characterized from the corresponding measurements. The experimental validation of the developed constitutive model is performed on a springback test, which consists of bending and releasing rectangular stainless steel specimens that were previously prestrained plastically to a different degree, either in the rolling or transverse direction. A comparison of the proposed modelling approach with the classical approaches, e.g., von Mises and Hill48 models, clearly indicates that simultaneous modelling of material phenomena, especially the coupling of stiffness degradation with anisotropic plasticity, can be the true key to obtaining a more accurate prediction of the springback in sheet metal forming applications.
UR  - https://www.sv-jme.eu/article/advanced-modelling-of-sheet-metal-forming-considering-anisotropy-and-youngs-modulus-evolution/
Starman, Bojan, Vrh, Marko, Halilovič, Miroslav, AND Štok, Boris.
"Advanced Modelling of Sheet Metal Forming Considering Anisotropy and Young’s Modulus Evolution" Strojniški vestnik - Journal of Mechanical Engineering [Online], Volume 60 Number 2 (28 June 2018)

Authors

Affiliations

  • University of Ljubljana, Faculty of Mechanical Engineering, Slovenia 1

Paper's information

Strojniški vestnik - Journal of Mechanical Engineering 60(2014)2, 84-92

https://doi.org/10.5545/sv-jme.2013.1349

The paper focuses on the modelling of springback of a formed stainless steel sheet. The main subject of this work is the construction of a constitutive model which considers sheet anisotropy, damage evolution and stiffness degradation in material simultaneously during forming. The developed model is based on the Gurson-Tvergaard-Needleman damage model which is adequately extended by the implementation of the anisotropic Hill48 plasticity and Mori-Tanaka's approach to stiffness degradation. Considering thus established relationships, some material parameters included in the model are characterized from the corresponding measurements. The experimental validation of the developed constitutive model is performed on a springback test, which consists of bending and releasing rectangular stainless steel specimens that were previously prestrained plastically to a different degree, either in the rolling or transverse direction. A comparison of the proposed modelling approach with the classical approaches, e.g., von Mises and Hill48 models, clearly indicates that simultaneous modelling of material phenomena, especially the coupling of stiffness degradation with anisotropic plasticity, can be the true key to obtaining a more accurate prediction of the springback in sheet metal forming applications.

springback; damage; elastic properties; stiffness degradation; anisotropy; plastic prestrain