Fractional derivatives, Matlab, Finite difference method, Finite element method, Applied Mathematics, Mechnics, Physics, Numerical Methods * Variational methods, * Variational inequalities, * Evolution equations, * Numerical methods. Applied mathematics

1. M. Dalah, M. Sofonea, “Antiplane Frictional Contact of Electro-Viscoelastic Cylinders”, Electronic Journal of Diferential Equations, 2007, 161, 14 pp.  
2. M. Sofonea, M. Dalah and A. Ayadi, “Analysis of an antiplane electro-elastic contact problem”, Adv. Math. Sci. Appl., 17 (2007), 385–400  
3. K. Fernane, M. Dalah, A. Ayadi, “Existence and uniqueness solution of a quasistatic electro-elastic antiplane contact problem with Tresca friction law”, Applied sciences, 14 (2012), 45–59  
4. A. Derbazi, A. Megrous, M. Dalah, “Analysis and Study the Antiplane Electro-Viscoelastic Problem with Long-Term Memory”, Global Journal of Pure and Applied Mathematics, 2 (2015), 1117–1136
5. Mircea Sofonea and Mohamed Dalah, “Antiplane frictional contact of electro-viscoelastic cylinders”, Math Subject Classifications: 74M10, 74F15, 74G25, 49J40. Key Words: Antiplane problem; electro-viscoelastic material; contact process; Tresca's friction law; evolutionary variational inequality; weak solution., Electron. J. Diff. Eqns., Vol., 161 (2007(2007)), 1-14

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