Researchers, Developers and Staffs
Cristian Victor TEODOSIU 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.

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.

Future Target

Developing advanced dislocation-based models of crystal plasticity
Modeling the damage and ductile fracture of very high-strength steels

VCAD Public Software

V-Struct
V-Shrink
V-MultiMat
V-Biomech

Software Block Page


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.

Selected Publications Page