Prof. Dr. Mohamed Ibrahim Ahmed Othman
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Prof. Dr. Mohamed Ibrahim Ahmed Othman

Professor
Zagazig University, Egypt

Highest Degree
Ph.D. in Mathematics from Zagazig University, Egypt

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Area of Interest:

Mathematics
100%
Statistical Inference
62%
Statistical Modeling
90%
Theoretical Statistics
75%
Mathematical Physics
55%

Research Publications in Numbers

Books
0
Chapters
0
Articles
0
Abstracts
0

Selected Publications

  1. Othman, M.I.A., 2011. State-space approach to generalized thermoelastic problem with temperature-dependent elastic moduli and internal heat source. J. Applied Mech. Tech. Phys., 52: 644-656.
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  2. Othman, M.I.A. and K.H. Lotfy, 2011. Effect of rotation on plane waves in generalized thermo-microstretch elastic solid with one relaxation time. Multi Model. Mate. Struct., 7: 43-62.
  3. Othman, M.I.A. and I.A. Abbas, 2011. Thermal shock problem in a homogeneous isotropic hollow cylinder with energy dissipation. Comp. Maths. Model., 22: 266-277.
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  4. Othman, M.I.A. and I.A. Abbas, 2011. Effect of rotation on plane waves at the free surface of a fibre-reinforced thermoelastic half-space using the finite element method. Meccanica, 46: 413-421.
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  5. Abbas, I.A., N. Abo-el-nour Abd-alla and M.I.A. Othman, 2011. Generalized magneto-thermoelasticity in a fibre-reinforced Anisotropic Half-space. Int. J. Thermophysics., 32: 1071-1085.
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  6. Othman, M.I.A., K.H. Lotfy and R.M. Farouk, 2010. Generalized thermo-microstretch elastic medium with temperature dependent properties for different theories. Eng. Anal. Boundary Ele., 34: 229-237.
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  7. Othman, M.I.A., K.H. Lotfy and R M. Farouk, 2010. Fundamental solution of plane waves in generalized thermo-microstretch elastic half-space. Int. J. Applied Mech. Eng., 15: 175-197.
  8. Othman, M.I.A., A.M.S. Mahdy and R.M. Farouk, 2010. Numerical solution of 12th order boundary value problems by using homotopy perturbation method. J. Math. Comput. Sci., 1: 14-27.
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  9. Othman, M.I.A., 2010. The effect of rotation and thermal shock on a perfect conducting elastic half-space in generalized magneto-thermo-elasticity with two relaxation times. Mech. Mech. Eng., 14: 31-55.
  10. Othman, M.I.A., 2010. Generalized electro-magneto-thermoelasticity in case of thermal shock plane waves for a finite conducting half-space with two relaxation times. Mech. Mech. Eng., 14: 5-30.
  11. Othman, M.I.A. and K.H. Lotfy, 2010. The effect of thermal relaxation on wave propagation of micropolar thermoelastic medium with voids due to various sources. Multi. Model. Mater. Struct., 6: 214-228.
  12. Othman, M.I.A. and K.H. Lotfy, 2010. On the plane waves of generalized thermo-microstretch elastic half-space under three theories. Int. Comm. Heat Mass Transfer, 37: 192-200.
  13. Othman, M.I.A. and A.M.S. Mahdy, 2010. Differential transformation method and variation iteration method for cauchy reaction-diffusion problems. J. Math. Comput. Sci., 1: 61-75.
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  14. Lotfy, K.H. and M.I.A. Othman, 2010. Effect of rotation on plane waves in generalized thermo-microstretch elastic solid with one relaxation time for a mode-i crack problem. Chinese Phys. B, 20: 1-3.
  15. Farouk, R.M. M.I.A. Othman and K.A. Riad, 2010. A family of flexible score functions for blind source separation. Biostatistic, Bioinf. Biomathematics, 1: 21-42.
  16. Sharma, J.N., R. Chand and M.I.A. Othman, 2009. On the propagation of lamb waves in viscothermoelastic plates under fluid lodings. Int. J. Eng. Sci., 47: 391-404.
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  17. Othman, M.I.A., S.Y. Atwa and R.M. Farouk, 2009. The effect of diffusion on two-dimensional problem of generalized thermoelasticity with green-naghdi theory. Int. Commun. Heat Mass Transfer, 36: 857-864.
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  18. Othman, M.I.A., K.H. Lotfy and R.M. Farouk, 2009. Effect of magnetic field and inclined load in micropolar thermoelastic medium possessing cubic symmetry under three theories. Int. J. Ind. Math., 1: 87-104.
  19. Othman, M.I.A., 2009. The Thermal Relaxation Effect on 2-D Problems of the Generalized Linear Thermo-viscoelasticity. Mech. Mech. Eng., 13: 45-62.
  20. Othman, M.I.A., 2009. Generalized thermo-viscoelasticity under three theories. Mech. Mech. Eng., 13: 25-44.
  21. Othman, M.I.A., 2009. Effect of rotation in case of 2-d problem of the generalized thermo-viscoelasticity with two relaxation times. Mech. Mech. Eng., 13: 105-127.
  22. Othman, M.I.A. and Y.Q. Song, 2009. The effect of rotation on 2-d thermal shock problems for a generalized magneto-thermoelasticity Half-space under three theories. Multi. Model. Mater. Structures, 5: 43-58.
  23. Othman, M.I.A. and R.M. Farouk, 2009. The dependence of the modulus of elasticity on reference temperature in the theory of generalized thermoelastic diffusion with one relaxation time. Int. J. Ind. Math., 1: 277-289.
  24. Othman, M.I.A. and R. Kumar, 2009. Reflection of magneto-thermoelastic waves under the effect of temperature dependent properties in generalized thermoelasticity with four theories. Int. Comm. Heat Mass Transfer., 36: 513-520.
  25. Hassan, I.H.A.H., M.I.A. Othman and A.M.S. Mahdy, 2009.. Variational iteration method for solving twelve order boundary value problem. Int. J. Math. Anal., 3: 719-730.
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  26. Abbas, I.A. and M.I.A. Othman, 2009. Effect of rotation on thermo-elstic waves with green-naghdi theory in a homogeneous isotropic hollow cylinder. Int. J. Ind. Math., 1: 121-134.
  27. Othman, M.I.A., S.Y. Atwa and R. M. Farouk, 2008. Generalized magneto-thermo-viscoelastic plane waves under the effect of rotation without energy dissipation. Int. J. Eng. Sci., 46: 639-653.
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  28. Othman, M.I.A. and Y.Q. Song, 2008. Reflection of magneto-thermoelastic waves from a rotating elastic Half-space. Int. J. Eng. Sci., 46: 459-474.
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  29. Othman, M.I.A. and Y.Q. Song, 2008. Reflection of magneto-thermo-elasticity waves with two relaxation times and temperature dependent elastic moduli. Applied Math. Model., 32: 483-500.
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  30. Othman, M.I.A. and Y.Q. Song, 2008. Effect of rotation on plane waves of the generalized electromagneto-thermo-viscoelasticity with two relaxation times. Applied Math. Model., 32: 811-825.
  31. Othman, M.I.A. and S.A. Zaki, 2008. Thermal instability in a rotating micropolar viscoelastic fluid layer under the effect of electric field. Mech. Mech. Eng., 12: 171-184.
  32. El-Adawy, M.A.K., F. El-Sayed, S.A. El-Shehawy and I.A. Mohamed, 2008. The stability of natural convection in an inclined fluid layer in the presence of ac electric field. J. Phys. Soc. Japan, 65: 2479-2484.
  33. Sharma, J.N., M.I.A. Othman, 2007. Effect of rotation on generalized Thermo-viscoelastic Rayleigh-lamb waves. Int. J. Solids and Structures, 44: 4243-4255.
  34. Othman, M.I.A., 2007. Effect of reference temperature on the modulus of elasticity in case of 2-d generalized thermal shock problem for a Half-space. Mech. Mech. Eng., 11: 49-64.
  35. Othman, M.I.A. and Y.Q. Song, 2007. Reflection of plane waves from an elastic solid half-space under hydrostatic initial stress without energydissipation. Int. J. Solids Structures, 44: 5651-5664.
  36. Othman, M.I.A. and Y.Q. Song, 2007. Reflection and refraction of thermo- viscoelastic waves at the interface between two micropolar viscoelastic media without energy dissipation. Can. J. Phys., 85: 797-812.
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  37. Othman, M.I.A. and B.S.Gill, 2007. The effect of rotation on generalized micropolar thermoelasticity for a half-space under five theories. Int. J. Solids Structures, 44: 2748-2762.
  38. Othman, M.I.A. and Y.Q. Song, 2006. The effect of rotation on the reflection of magneto-thermoelastic waves under thermoelasticity without energy dissipation. Acta. Mech., 184: 189-204.
  39. Othman, M.I.A., 2005. Generalized thermoelasticity plane waves in rotating media with thermal relaxation under the temperature dependent properties. Mech. Mech. Eng., 9: 89-110.
  40. Othman, M.I.A., 2005. Generalized electromagneto-thermoelastic plane waves by thermal shock problem in a finite conductivity Half-space with one relaxation time. Multi. Model. Mater. Structures, 1: 231-250.
  41. Othman, M.I.A., 2005. Effect of rotation in case of 2-d problems of the generalized thermoelasticity with thermal relaxation. Mech. Mech. Eng., 9: 115-130.
  42. Othman, M.I.A., 2005. Effect of rotation and relaxation time on a thermal shock problem for a Half-space in generalized Thermo-visco-elasticity. Acta Mech., 174: 129-143.
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  43. Othman, M.I.A., 2004. The uniqueness and reciprocity theorem for generalized thermo-viscoelasticity with thermal relaxation times. Mec. Mech. Eng., 7: 77-87.
  44. Othman, M.I.A., 2004. Relaxation Effects on thermal shock problems in an elastic half-space of generalized magneto-thermoelastic waves. Mech. Mech. Eng., 7: 165-178.
  45. Othman, M.I.A., 2004. On the possibility of overstable motion of a rotating viscoelastic fluid layer heated from below under the effect of magnetic field with one relaxation time. Mech. Mech. Eng., 7: 41-52.
  46. Othman, M.I.A., 2004. Generalized electromagneto-thermoviscoelastic in case of 2-d thermal shock problem in a finite conducting medium with one relaxation time. Acta Mech., 169: 37-51.
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  47. Othman, M.I.A., 2004. Electrohy drodynamic instability of a rotating layer of a viscoelastic fluid heated from below. J. Applied Math. Phys., 55: 468-482.
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  48. Othman, M.I.A., 2004. Effect of rotation on plane waves in generalizedthermoelasticity with two relaxation times. Int. J. Solids Structures, 41: 2939-2956.
    CrossRef  |  
  49. Othman, M.I.A. and S.A. Zaki, 2004. Thermal relaxation effect on magneto-hydrodynamic instability in a rotating micropolar fluid layer heated from below. Acta Mech., 170: 187-197.
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  50. Othman, M.I.A., 2003. State space approach to generalized thermo-elasticity plane waves with two relaxation times under the dependence of the modulus of elasticity on reference temperature. Can. J. Phys., 81: 1403-1418.
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  51. Othman, M.I.A. and S.A. Zaki, 2003. The effect of thermal relaxation time on electrohydrodynamic viscoelastic fluid layer heated from below. Can. J. Phys., 81: 779-787.
    CrossRef  |  
  52. Othman, M.I.A., M.A. Ezzat, S.A. Zaki and A.S. El Karamany, 2002. Generalized Thermo-viscoelastic plane waves with two relaxation times. Int. J. Eng. Sci., 40: 1329-1347.
    CrossRef  |  
  53. Othman, M.I.A., 2002. Lord-shulman theory under the dependence of the modulus of elasticity on the reference temperature in two dimensional generalized thermoelasticity. J. Therm. Stresses, 25: 1027-1045.
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  54. Ezzat, M.A., M.I.A. Othman and A.S. El Karamany, 2002. State space approach to two-dimensional generalized thermo-viscoelasticity with two relaxation times. Int. J. Eng. Sci., 40: 1251-1274.
  55. Ezzat, M.A., M.I.A. Othman and A.S. El Karamany, 2002. State space approach to two-dimensional generalized thermo-viscoelasticity with one relaxation time.. J. Therm. Stresses,. 25: 295-316.
  56. Ezzat, M.A., M.I.A. Othman and A.S. El Karamany, 2002. State space approach to generalized thermo-viscoelasticity with two relaxation times. Int. J. Eng. Sci., 40: 283-302.
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  57. Ezzat, M.A. and M.I.A. Othman, 2002. State space approach to generalized magneto-thermoelasticity with thermal relaxation in a medium of perfect conductivity. J. Therm. Stresses, 25: 409-429.
  58. Othman, M.I.A. and N.H. Sweilam, 2002. Electrohy drodynamic instability in a horizontal viscoelastic fluid layer in the presence of internal heat generation. Can. J. Phys., 80: 697-705.
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  59. Othman, M.I.A., 2001. Electrohydrodynamic stability in a horizontalviscoelastic fluid layer in the presence of a vertical temperature gradient. Int. J. Eng. Sci., 39: 1217-1232.
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  60. Othman, M.I.A. and M.A. Ezzat, 2001. Electromagneto-hydrodynamic instability in a horizontal viscoelastic fluid layer with one relaxation time. Acta Mech., 150: 1-9.
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  61. Ezzat, M.A., M.I.A. Othman and A.S. El Karamany, 2001. The dependence of the modulus of elasticity on the reference temperature in generalized thermoelasticity. J. Therm. Stresses, 24: 1159-1176.
  62. Ezzat, M.A., M.I.A. Othman and A.S. El Karamany, 2001. Electromagneto-thermoelastic plane waves with thermal relaxation in a medium of perfect conductivity. J. Therm. Stresses, 24: 411-432.
    CrossRef  |  
  63. Ezzat, M.A., M.I.A. Othman and A. Smaan, 2001. State space approach totwo-dimensional electromagneto-thermoelastic problem with two relaxation times. Int. J. Eng. Sci., 39: 383-1404.
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  64. Ezzat, M.A. and M.I.A. Othman, 2000. Thermal instability in a rotating micropolar fluid layer subject to an electric field. Int. J. Eng. Sci., 38: 1851-1867.
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  65. Ezzat, M.A. and M.I.A. Othman, 2000. Electromagneto-thermoelastic plane waves with two relaxation times in a medium of perfect conductivity. Int. J. Eng. Sci., 38: 107-120.
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  66. Ezzat, M.A., M.I.A. Othman and K.A. Helmy, 1999. A problem of a micropolar magnetohydrodynamic boundary layer flow. Can. J. Phys., 77: 813-827.
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  67. Othman, M.I.A., 1998. Nonlinear electrohydrodynamic kelvin-helmholtz instability conditions of a cylindrical interface under the influence of an xial field. Zeitschrift fur Angew. Math. und Physik., 49: 759-773.
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  68. El-Adawy, M.A.K., F. El-Sayed and S.A. El-Shehawy, 1997. The stability of natural convection in an inclined fluid layer in the presence of temperature gradient and Ac electric field. Can. J. Phys., 75: 299-311.
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  69. El-Adawy, M.A.K., F. El-Sayed, S.A. El-Shehaw and I.A. Mohamed, 1990. Electrohydrodynamic instability conditions for two dielectric fluid layers confined between three coaxial cylinder under thesimultaneous actions of radial electric and temperature fields. J. Inst. Math. Comput. Sci., 3: 94-106.