JSCAST- CAE system for Casting Optimization

Mold-filling,solidification and deformation simulations.

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1.Modeling of mold filling process of Al gravity casting and validation with X-ray in-situ observation			Overview
H.D.Zhao, I.Ohnaka, J.D.Zhu			MainFunctions
Applied Mathematical Modelling, 2008, pp.185-194			Applications
2.Modeling of Microporosity Formation in A356 Aluminum Alloy Casting			Options
J.D.Zhu, S.L.Cockcroft and D.M.Maijer			Papers
Metall. Mater. Trans. Vol. 37A, 2006, pp.1075-1085			Contact
3.Casting Defects in Low-Pressure Die-Cast Aluminum Alloy Wheels
B. Zhang, S.L. Cockcroft, D.M. Maijer, J.D. Zhu, and A.B. Phillion
JOM, Nov. 2005, pp.36-43
4.Simulation of Microporosity in A356 Aluminium alloy Castings
J.D.Zhu, S.L.Cockcroft, D.M.maijer and R.Ding
Int. J. Cast Metals Research, Vol.18, 2005, pp.229-235
5.Direct Observation of Casting and Solidification
I.Ohnaka, H.Yasuda, A.Sugiyama, and T.Ohmichi
Trans.Indian Institutes of Metals, 58(2005.8),603-610
6.Numerical simulation and X-ray direct observation of mould filling during vacuum suction casting
S.Kashiwai, I.Ohnaka, A.Kimatsuka, T.Kaneyoshi, T.Ohmichi, and J.D.Zhu
I.J.Cast Metals Research, 18(2005),3, pp.144-148
7.Prediction of Porosity Defect in Spheroidal Graphite Iron Castings
I.Ohnaka, J.Iwane, H.Yasuda and J.D.Zhu
Int. J. Cast Metals Research, Vol.16, 2003, pp.293-299
8.A regular-irregular mixed meshing method for solidification simulation of castings
Wang TM, Ohnaka I, Zhu JD, Kinoshita F, Murakami T
Int. J. Cast Metals Research 15 (4): 2002， pp.399-404
9.Quantitative evaluation of shrinkage porosity with Iso-a critical-Fraction-Solid Method
Onda H, Ohnaka I
Int. J. Cast Metals Research 15 (4): 2002， pp.395-398
10.Macro porosity prediction of SG iron castings considering microstructure formation
Zhao H, Liu B, Ohnaka I
Int. J. Cast Metals Research, 15 (4): 2002， pp.315-318
11.Mold filling simulation with consideration of gas escape through sand mold
Kimatsuka A, Ohnaka I, Zhu JD, Ohmichi T
Int. J. Cast Metals Research, 15 (2002) No.3, pp.149-152
12.A novel simulation method for the prediction of dendritic grain structures in solidification
Wang TM, Jin JZ, Zheng XS, Ohnaka I
Int. J. Cast Metals Research, 15 (2002) No.3, pp.231-236
13.Modeling of mold filling in gating systems with filters
Zhu JD, Ohnaka I, Sugiyama A, Ohmichi T, Ogino Y
Int. J. Cast Metals Research, 15 (2002) No.3, pp.161-165
14.Lift-Off Phenomenon in Wave Solding
K.Suganuma, M.Ueshima, I.Ohnaka, H.Yasuda, J.D.Zhu and T.Matsuda
Acta mater. Vol.48 (2000), pp.4475-4481
15.Mold Filling and Prevention of Gas Entrapment in High-Pressure Die-casting
I.Ohnaka,A.Sugiyama,T.Ikeda and H.Yasuda
J. Mater. Sci., Technol. 24(2008),pp.139-140

international conference
1.Mechanism and Estimation of Porosity Defects in Ductile Cast Iron
Itsuo Ohnaka, Akihiro Sato, Akira Sugiyama, and Fumiaki Kinoshita
Proc. of 10th Asian Foundry Congress, 2008 (Nagoya, Japan)
2.RECENT DEVELOPMENT AND CHALLENGES OF CAE IN CASTING, Proc.
I.Ohnaka, A. Sugiyama, J. Zhu, T. Murakami
Proc. of MCSP-7 (Invited paper),2007 (Dalian, China), pp.3
3.Mathematical Model of The Transient Hot Top Stage of Electron Beam Melting and casting of Ti-6Al-4V
D.M.Maijer, X.H.Zhao J.D.Zhu S.L.Cockcroft and D.W.Tripp
Proc. of LMT Conference, 2007
4.Numerical Modeling of Electron Beam Melting and Casting of Ti-6Al-4V Alloy Ingot
J.D.Zhu, D.Maijer, S.L.Cockcroft, X.H.Zhao, D.Tripp and S.Fox
Proc. of MCSP-7, 2007 (Dalian)
5.A Three-Dimensional Steady State Thermal Fluid Model of the Ingot Casting Process Associated with El
X.H.Zhao, D.M.Maijer, S.L.Steve, J.D.Zhu, D.W.Tripp,and S.Fox
Proc. of Titanium-2007 (Kyoto)
6.Recent Development of Solidification Research, XI’AN INTERNATIONAL
I.Ohnaka, H.Yasuda, and A.Sugiyama, Symposium on Solidification, (Invited Paper), 2007.5.29, Xi’an, China
7.Mold Filling Simulation for Predicting Gas Porosity
A.Kimatsuka, I.Ohnaka, J.D.Zhu, A.Sugiyama, and Y.Kuroki Proc. of MCWASP-11, TMS, (2006.5,Opio, France.), pp.603-610
8.Time Resolved Imaging of the Microstructure Evolution during Dendritic Solidification by Using Synch
H.Yasuda, I.Ohnaka, A.Sugiyama, T.Nagira, N.Tsukihara, K.Kawasaki, and K.Umetani, J.Iwane Proc. of MCWASP-11, TMS, (2006.5,Opio, France), pp. 375-382
9.Direct Observation and Numerical Simulation of Mold Filling
A.Sugiyama, I.Ohnaka, J.Iwane, J.D.Zhu and H.Yasuda Proc. of MCWASP-11, TMS, (2006.5,Opio, France), TMS, pp. 127-134
10.A Thermal Model of The Low-Pressure Die-Casting (LPHC) Process and Its Application to Predict Porosity
B.Zhang, S.L.Cockcroft, D.M.Maijer and J.D.Zhu Proc. of TMS 2006, Simulation of Alunimum Shape Casting Processing: From Alloy Design to Mechanical
11.Numerical Simulation of Microporosity in A356 Aluminum Alloy Castings
J.D.Zhu, S.L.Cockcroft, D.Maijer and R.Ding Proc. of MCSP-6, 2004 (Taiwan), pp.247-254
12.Solidification Simulation with Consideration of Thermal Radiation by Using A New Regular-Irregular-Mesh
J.D.Zhu, I.Ohnaka, K.Hudo, S.Obara and A.Kimatsuka Proc. of MCWASP-10, 2003 (Florida, USA), pp.447-454
13.Mold Filling Simulation of High Pressure Die Casting for Predicting Gas Porosity
A.Kimatsuka, I.Ohnaka, J.D.Zhu, A.Sugiyama and T.Kamitsu Proc. of MCWASP-10, 2003 (Florida, USA), pp.335-342
14.Recent Development of Numerical Modeling of Casting and Solidification, Modeling of Casting
I.Ohnaka Proc. of MCWASP-10, TMS, (2003.5, Florida, USA), pp.403-414
15.Prediction of Porosity Defects in Al-Alloy and Spheroidal-Graphite Iron Castings
I.Ohnaka, J.Iwane, Y.Sako, H.Yasuda and H.Zhao Proc. of the 65th World Foundry Congress, 2002 (Gyeongju, Korea), pp.639-648