X. Ai

A theoretical model of surface roughness in ultrasonic vibration assisted electrical discharge machining in gas

S. F. Ren, J. H. Zhang, Q. H. Zhang, 2005, Int. J. Manuf. Technol. Manag..

Discontinuous Finite-Element Phase-Field Modeling of Polycrystalline Grain Growth with Convection

B. Q. Li, Y. Shu, X. Ai, 2006, Comput. Math. Appl..