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| Home > Researchers/Developers/Staffs > Introduction |
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Cristian Victor TEODOSIU |
Research Themes |
Modeling large plastic deformations of metallic materials, by taking into account the evolution of their texture and microstructure.
Modeling and simulation of complex forming processes.
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Research Subjects and Results |
Large-scale FEM simulations of engineering structures subjected to large plastic deformations.
Thermomechanical modeling of the shrinkage of cast products.
Mechanical and numerical modeling of the damage and ductile fracture of porous casts and of high-strength steels.
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Future Target |
Developing advanced dislocation-based models of crystal plasticity
Modeling the damage and ductile fracture of very high-strength steels
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VCAD Public Software |
V-Struct
V-Shrink
V-MultiMat
V-Biomech
Selected Publications
【Papers】
Y. Nishidate, T. Nagata, S. Morita, Y. Yamagata, C. Teodosiu
「Ray-tracing simulation procedure for general GRIN media」
Frontiers in Optics 2010/Laser Science XXVI (FiO/LS 2010), Rochester, NY, USA, OSA Technical Digest (Optical Society of America, 2010), PDPA6.
S. Morita, Y. Nishidate, T. Nagata, Y. Yamagata, C. Teodosiu
「Ray-tracing simulation method using a piecewise quadratic interpolant for aspheric optical systems」
Applied Optics, 49, 3442-3451, 2010.
N. Yamamura, J.L. Alves, T. Oda, C.?Teodosiu
「Development of a Finite Element Simulator for Mechanical Analysis of Human Skeletal Muscle」
6th World Congress on Biomechanics, Singapore, 2010.
J.L. Alves, N. Yamamura, T. Oda, and C. Teodosiu
「Numerical simulation of musculo-skeletal systems by V-Biomech」
Proc. CMBBE2010 - 9th Int. Symp. on ‘Computer Methods in Biomechanics and Biomedical Engineering”, Valencia, Spain, 2010.
K. Ohura, C. Teodosiu, A. Makinouchi
「Effects of heat transfer model between cast and mold and of the constitutive law in solidification simulation coupled with thermal contraction (in Japanese)」
J. Japan Foundry Eng. Soc., 81, 323-330, 2009.
T. Hama, T. Nagata, C. Teodosiu, A. Makinouchi, H. Takuda
「Finite-element simulation of springback in sheet metal forming using local interpolation for tool surfaces」
Int. J. Mech. Sciences, 50, 175-192, 2008.
T. Hama, M. Takamura, A. Makinouchi, C. Teodosiu, H. Takuda
「Formulation of contact problems in sheet metal forming simulation using local interpolation for tool surfaces」
J. Comp. Sci. Technol., 2-1, 68-80, 2008.
N. Esmaeili, J.L. Alves, C. Teodosiu
「Mechanical modeling and finite element analysis of porous cast products」
J. Japan Soc. Prec. Eng., 74, 1273-1277, 2008.
T. Hama, M. Takamura, A. Makinouchi, C. Teodosiu, H. Takuda
「Effect of tool modeling accuracy on square cup deep-drawing simulation」
Materials Transactions, 49-2, 278-283, 2008.
K. Ohura, Z. Sun, A. Makinouchi, C. Teodosiu
「Volume-CAD: An integrated environment for virtual manufacturing and structural analysis」
Advanced Materials Research, 23, 17-24, 2007.
T. Hama, M. Takamura, C. Teodosiu, A. Makinouchi, H. Takuda
「Effect of tool modeling accuracy on sheet metal forming simulation」
Key Engineering Materials, 340-341, 743-748, 2007.
K. Ohura, C. Teodosiu, A. Makinouchi
「Solidification simulation with consideration of local variation of heat transfer coefficient caused by air-gap generation (in Japanese)」
Journal of Japan Foundry Engineering Society, 79, 656-664, 2007.
T. Hama, C. Teodosiu, A. Makinouchi, H. Fujimoto, H. Takuda
「Springback simulation of high strength steel sheet using local interpolation for tool surfaces」
Proc. NUMIFORM ‘07, 805-810, 2007.
M. Banu, M. Takamura, T. Hama, O. Naidim, C. Teodosiu, A. Makinouchi,
「Simulation of springback and wrinkling in stamping of a dual-phase steel rail-shaped part」
Journal of Materials Processing Technology, 173-2, 178-184, 2006.
H. Haddadi, S. Bouvier, M. Banu, C. Maier, C. Teodosiu
「Towards an accurate description of the anisotropic behavior of sheet metals under large plastic deformations: Modeling, numerical analysis and identification」
Int. J. Plasticity, 22, 2226-2271, 2006.
M. Banu, M. Takamura, O. Naidim, T. Hama, C. Teodosiu, A. Makinouchi, V. Marinescu, N. Yamamura
「Comparative analysis of shell-solid finite element behaviour in a rail-shaped part stamping simulation」
Proc. 9th Int. Conf. ESAFORM, Glasgow, U.K., 419-422, 2006.
T. Hama, M. Takamura, C. Teodosiu, A. Makinouchi, H. Takuda
「Effect of tool modeling accuracy on sheet metal forming simulation」
Proc. 8th Asia-Pacific Symp. on “Engineering Plasticity and its Applications” (AEPA2006), 225, 2006.
【Papers】
Y. Nishidate, T. Nagata, S. Morita, Y. Yamagata, C. Teodosiu
「Ray-tracing simulation procedure for general GRIN media」
Frontiers in Optics 2010/Laser Science XXVI (FiO/LS 2010), Rochester, NY, USA, OSA Technical Digest (Optical Society of America, 2010), PDPA6.
S. Morita, Y. Nishidate, T. Nagata, Y. Yamagata, C. Teodosiu
「Ray-tracing simulation method using a piecewise quadratic interpolant for aspheric optical systems」
Applied Optics, 49, 3442-3451, 2010.
N. Yamamura, J.L. Alves, T. Oda, C.?Teodosiu
「Development of a Finite Element Simulator for Mechanical Analysis of Human Skeletal Muscle」
6th World Congress on Biomechanics, Singapore, 2010.
J.L. Alves, N. Yamamura, T. Oda, and C. Teodosiu
「Numerical simulation of musculo-skeletal systems by V-Biomech」
Proc. CMBBE2010 - 9th Int. Symp. on ‘Computer Methods in Biomechanics and Biomedical Engineering”, Valencia, Spain, 2010.
K. Ohura, C. Teodosiu, A. Makinouchi
「Effects of heat transfer model between cast and mold and of the constitutive law in solidification simulation coupled with thermal contraction (in Japanese)」
J. Japan Foundry Eng. Soc., 81, 323-330, 2009.
T. Hama, T. Nagata, C. Teodosiu, A. Makinouchi, H. Takuda
「Finite-element simulation of springback in sheet metal forming using local interpolation for tool surfaces」
Int. J. Mech. Sciences, 50, 175-192, 2008.
T. Hama, M. Takamura, A. Makinouchi, C. Teodosiu, H. Takuda
「Formulation of contact problems in sheet metal forming simulation using local interpolation for tool surfaces」
J. Comp. Sci. Technol., 2-1, 68-80, 2008.
N. Esmaeili, J.L. Alves, C. Teodosiu
「Mechanical modeling and finite element analysis of porous cast products」
J. Japan Soc. Prec. Eng., 74, 1273-1277, 2008.
T. Hama, M. Takamura, A. Makinouchi, C. Teodosiu, H. Takuda
「Effect of tool modeling accuracy on square cup deep-drawing simulation」
Materials Transactions, 49-2, 278-283, 2008.
K. Ohura, Z. Sun, A. Makinouchi, C. Teodosiu
「Volume-CAD: An integrated environment for virtual manufacturing and structural analysis」
Advanced Materials Research, 23, 17-24, 2007.
T. Hama, M. Takamura, C. Teodosiu, A. Makinouchi, H. Takuda
「Effect of tool modeling accuracy on sheet metal forming simulation」
Key Engineering Materials, 340-341, 743-748, 2007.
K. Ohura, C. Teodosiu, A. Makinouchi
「Solidification simulation with consideration of local variation of heat transfer coefficient caused by air-gap generation (in Japanese)」
Journal of Japan Foundry Engineering Society, 79, 656-664, 2007.
T. Hama, C. Teodosiu, A. Makinouchi, H. Fujimoto, H. Takuda
「Springback simulation of high strength steel sheet using local interpolation for tool surfaces」
Proc. NUMIFORM ‘07, 805-810, 2007.
M. Banu, M. Takamura, T. Hama, O. Naidim, C. Teodosiu, A. Makinouchi,
「Simulation of springback and wrinkling in stamping of a dual-phase steel rail-shaped part」
Journal of Materials Processing Technology, 173-2, 178-184, 2006.
H. Haddadi, S. Bouvier, M. Banu, C. Maier, C. Teodosiu
「Towards an accurate description of the anisotropic behavior of sheet metals under large plastic deformations: Modeling, numerical analysis and identification」
Int. J. Plasticity, 22, 2226-2271, 2006.
M. Banu, M. Takamura, O. Naidim, T. Hama, C. Teodosiu, A. Makinouchi, V. Marinescu, N. Yamamura
「Comparative analysis of shell-solid finite element behaviour in a rail-shaped part stamping simulation」
Proc. 9th Int. Conf. ESAFORM, Glasgow, U.K., 419-422, 2006.
T. Hama, M. Takamura, C. Teodosiu, A. Makinouchi, H. Takuda
「Effect of tool modeling accuracy on sheet metal forming simulation」
Proc. 8th Asia-Pacific Symp. on “Engineering Plasticity and its Applications” (AEPA2006), 225, 2006.
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