Subir Das

Subir Das

Designation: Professor
                               &
                     Deputy Coordinator, SAP-UGC

Phone: +91-9451141269

E-mail: subir_das08@hotmail.com; sdas.apm@itbhu.ac.in

Research Areas: Fracture Mechanics, Mathematical Modelling, Fractional Calculus,
                              Nonlinear Dynamics

 

 

Biography:

M. Sc.( Applied Mathematics) and Ph. D. (Science),

Recipient of Griffith Memorial Award, 2000 in Science from University of Calcutta.


Selected a Member of American Mathematical Society ( AMS ).


Research Supervision


Ph. D. Supervision : 11 (Awarded), 06 (On going).
M.Tech. Supervision : 15 (Awarded), 02 (On going).


Special Awards /Recognisations


  1. Offered a Membership from IEEE Computer Society, Watanabe Building, 1-4-2 Minami-Aoyama, Minato-ku, Tokyo 107-0062, Japan.
  2. Offered a Membership from IEEE Computer Society, 13, Avenue de I’Aquilon, B-1200 Brussels, Belgium.
  3. Received 2011 IT-BHU Publication Award under 1st Prize category for the faculty presented by IT-BHU Global Alumni Association.
  4. Received 2012 IT-BHU Publication Award under 1st Prize category for the faculty presented by IT-BHU Global Alumni Association.
  5. Received 2013 IIT (BHU) Publication Award under 1st Prize category for the faculty presented by IIT (BHU) Global Alumni Association.
  6. Received 2014 IIT (BHU) Publication Award under Star Prize category for the faculty presented by IIT (BHU) Global Alumni Association.
  7. Delivered an Invited talk on “Study of some mathematical models related to fractional nonlinear problems” in 19-th Ramanujan Symposium on recent trends in nonlinear partial and fractional differential equations at Ramanujan Institute for Advanced Study in Mathematics, University of Madras during March 2-4, 2016.

Publications

Fracture Mechanics

  1. S. Das and B. Patra, Moving Griffith Crack at the interface of two dissimilar orthotropic Half-Planes, Engineering Fracture Mechanics, V. 54, 523-531 (1996)
  2. .
  3. S. Das and B. Patra, Stress Intensity Factors for a pair of equal parallel interfacial cracks on a layer sandwiched between two dissimilar Half-planes, Proceeding of the 10th Mathematical Conference, Bangladesh Mathematical Society, V. 89, 59-64 (1997).
  4. S. Das and B. Patra, Stress Intensity Factors and Crack Energies for a Cruciform crack in an Orthotropic elastic plane, Bulletin of Calcutta Mathematical Society, V. 89, 59-64 (1997).
  5. S. Das and B. Patra, Interaction between three Line Cracks in a Sandwiched Orthotropic Layer, International Journal of Applied Mechanics and Engineering, V.3, 249-269 (1997).
  6. S. Das, B. Patra and L. Debnath, Diffraction of SH-Waves by a Griffith Crack in an infinite Orthotropic medium, Applied Mathematics Letters, V. 12, 57-61(1997)
  7. S. Das, B. Patra and L. Debnath, Stress Intensity Factors for an interfacial crack between an Orthotropic Half-plane bonded to a dissimilar Orthotropic layer with a punch, Int. J. Computers and Mathematics with applications, V. 35, 27-40 (1998).
  8. S. Das and B. Patra, Stress Intensity Factors for moving interfacial crack between bonded dissimilar fixed orthotropic layers, Computers and Structures, V. 69, 459-472 (1998).
  9. S. Das, B. Patra and L. Debnath, Stress Intensity factors for an interfacial Griffith crack in composite media, International Journal of Engineering Science, V. 37, 453-475(1999)
  10. S. Das and B. Patra, A pair of equal collinear interfacial Griffith Cracks, International Journal of Applied Mechanics and Engineering, V. 4, 97-112 (1999).
  11. S. Das and B. Patra, Stress Intensity Factor around a Griffith Crack in Orthotropic Punched Layer, Indian Journal of Pure and Applied Mathematics, V. 30, 1003-1015 (1999).
  12. S. Das and L. Debnath, Interaction of Elastic Waves by an interfacial Griffith Crack, International Journal of Computers and Mathematics with applications, V. 38, 151-158(1999).
  13. S. Das, B. Patra and L. Debnath, Stress Intensity Factors around two coplanar Griffith Cracks in an Orthotropic layer sandwiched between two identical Orthotropic Half-planes, International Journal of Engineering Science, V. 38, 121-133(2000).
  14. S. Das and L. Debnath, Study of static cruciform crack in an Orthotropic elastic media, International Journal of Computers and Mathematics with applications, V.40, 569-575(2000).
  15. S. Das, B. Patra and L. Debnath, Diffraction of SH-Waves by collinear Griffith cracks in an infinite transversely Isotropic medium, Canadian Applied Mathematics Quarterly, V. 8, 17-26 (2000).
  16. S. Das, B. Patra and L. Debnath, Interaction between Griffith cracks at the interface of elastic media, Korrean Journal of Comput. and Applied Math., V.8, 59-69(2001).
  17. S. Das, Three interfacial Griffith cracks between bonded dissimilar elastic media, International Journal of Applied Mechanics and Engineering, V. 6,133-149(2001).
  18. S. Das, On a moving interfacial Griffith crack at the interface of two bonded dissimilar Orthotropic Half-Planes, ZAMM. Z. Angrew. Math. Mech., V. 81,281-287(2001).
  19. S. Das and L. Debnath, Stress Intensity Factor around a moving Griffith Crack in a Punched Orthotropic Layer, Mathematical and Computer Modelling, V.33, 957-963(2001).
  20. S. Das, Interaction between line cracks in an Orthotropic Layer, International Journal of Mathematics and Mathematical Sciences, V.29, 31-42(2002).
  21. S. Das and L. Debnath, Interaction between Griffith cracks in a sandwiched Orthotropic layer, Applied Mathematics Letters, V.16, 609-617(2003).
  22. A. Baksi, S. Das, and R. K. Bera, Impact Response of a Cracked Orthotropic Medium- Revisited, International Journal of Engineering Science, V.41, 2063-2079(2003).
  23. S.Das and B. Patra, A Pair of equal collinear Interfacial Cracks between bonded dissimilar fixed Isotropic Layers - International Journal of Applied Mechanics and Engineering, V.8, 167-175 (2003).
  24. S. Das, Moving Interfacial Griffith cracks between bonded dissimilar Orthotropic Half Planes, Canadian Applied Mathematics Quarterly, V.12, 303-322 (2004).
  25. S. Das, B. Patra and L. Debnath, On Elastodynamical problem of Interfacial Griffith Cracks in Composite Media, International Journal of Engineering Science, V.42, 736-752 (2004).
  26. A. Baksi, S. Das and R. K. Bera, Interaction of moving Interfacial cracks between bonded dissimilar elastic strips under antiplane shear - International Journal of Pure and Applied Mathematics, V.15, 13-24 (2004).
  27. S. Das, Pair of Collinear interface cracks between dissimilar fixed orthotropic layers, International Journal of Computational Civil and Structural Engineering, V.1, 65-78 (2005).
  28. S. Das and S. Mukherjee, Moving Interfacial Griffith Crack between dissimilar Media, Journal of Applied Mathematics, V.2005, 289-299 (2005).
  29. S. Das, Elastodynamic Response of a Cracked Orthotropic Medium under Impact loading, Computational Materials Science, V.37, 187-192 (2005).
  30. S. Mukherjee and S. Das, Moving Griffith Crack in an Orthotropic Strip with Punches at boundary faces, International Journal of Mathematics and Mathematical Sciences, V.19, 3157-3167 (2005).
  31. S. Mukherjee and S. Das, Weight Function for a crack in an Orthotropic medium under Normal Impact loading, International Journal of Applied Mechanics and Engineering, V.11, 915-928 (2006).
  32. S. Das, Interaction of moving interface collinear Griffith cracks under Antiplane Shear, International Journal of Solids and Structures, V.43, 7880-7890 (2006).
  33. S. Das, Weight function for a crack in a two-dimensional Orthotropic medium under impact shear loading, International Journal of Fracture, V. 142, 331-338 (2006).
  34. A. Baksi, S. Das and R. K. Bera, A Note on thermo elastic problem of two collinear Griffith cracks in an Orthotropic medium, International Journal of Pure and Applied Mathematics, V. 36, 365-374 (2007).
  35. S. Das and B. Patra, Impact Response of a Cracked Orthotropic Strip, International Journal of Computational Civil and Structural Engineering, V.1, 36-46 (2007).
  36. S. Mukherjee and S. Das, Interaction of three interfacial Griffith cracks between bonded dissimilar orthotropic half planes, International Journal of Solids and Structures, V.44, 5437-5446 (2007).
  37. S. Das, S.Chakrborty, N.Srikanth and M.Gupta, Symmetric Edge Crack in an Orthotropic strip under normal loading, International Journal of Fracture, V.153, 77-84 (2008).
  38. S. Das, Elastodynamic Response of Cracked Orthotroppic Strip under Impact Loading, International Journal of Fracture, V.153, 177-184 (2008).
  39. S. Das, Weight function for an Edge Crack in an infinite Orthotropic strip under normal point force loading, ZAMM. Z. Angrew. Math. Mech., V.90, 271-277(2010).
  40. S. Das, S. Mukhopadhyay and R. Prasad, Stress Intensity Factor of an edge crack in bonded orthotropic materials, International Journal of Fracture, V.168, 117-123 (2011).
  41. S. Das, S. Mukhopadhyay and R. Prasad, Stress intensity factor of an edge crack in composite media, International Journal of Fracture, V. 172, 201–207 (2011).
  42. S. Das, S. Mukhopadhyay and R. Prasad, Boundary integral equation formulation for coupled thermo-elasticity with three phase-lags - Mathematics and Mechanics of Solids, V.18, 44-58 (2013).
  43. S. Das, S. Mukhopadhyay and R. Prasad, A two dimensional problem of Mode-I crack in a type III thermoelastic medium, Mathematics and Mechanics of Solids, V. 18, 506-523 (2013).
  44. P. K. Mishra, S. Das and M. Gupta, Interaction between interfacial and sub-interfacial cracks in a composite media - Revisited, ZAMM. Z. Angrew. Math. Mech., DOI: 10.1002/zamm.201500102 (2016).
  45. P. K. Mishra and S. Das, Interaction between interfacial collinear Griffith cracks in composite media under thermal loading, Zeitschrift für Naturforschung, V. 71, 465–473 (2016).
  46. P. K. Mishra and S. Das, Two interfacial collinear Griffith cracks in thermo-elastic composite media, Thermal Science, Accepted (2016).

    Mathematical Modelling

  47. S. Das, Solution of Fractional Vibration Equation by the Variational Iteration Method and Modified Decomposition Method, Int. J. of Nonlinear Sciences and Numerical Simulation, V.9, 361-366 (2008).
  48. Rajeev, K.N. Rai and S. Das, Numerical Solution of a Moving Boundary Problem with variable latent heat, Int. J. of Heat and Mass Transfer, V.52, 1913-1917 (2008).
  49. S. Das, Analytical approximate solution of diffusion equation of fractional order by Variational Iteration Method, Chaos, Solitons & Fractals, Accepted (2009).
  50. S. Das, Solution of Vibration Equation by Variational Iteration Method and Modified Decomposition Method, International Journal of Applied Mechanics and Engineering, V. 9, 361–366 (2009).
  51. S. Das, A Numerical Solution of the Vibration Equation using Modified Decomposition Method, Journal of Sound and Vibration, V. 320, 576-583 (2009).
  52. K.N. Rai, Rajeev and S. Das, Solution of one dimensional moving boundary problem with periodic boundary conditions by Variational Iteration Method, Thermal Sciences, V.13, 199-204 (2009).
  53. S. Das, Analytical Solution of a Fractional Diffusion Equation by Variational Iteration Method, Computers and Mathematics with Applications, V. 57, 483-487 (2009).
  54. S. Das, P. K. Gupta and Rajeev, A Fractional predator-prey Model and its Solution, Int. J. of Nonlinear Sciences and Numerical Simulation, V. 10, 873-876 (2009).
  55. S. Das, A Note on Fractional Diffusion Equations, Chaos, Solitons & Fractals, V. 42, 2074 - 2079 (2009).
  56. S. Das, P.K. Gupta, V.S. Pandey and K. N. Rai, Application of He’s Homotopy Perturbation Method to fractional Diffusion Equation, Zeitschrift für Naturforschung A, V. 65a, 53-58 (2009).
  57. V. Srivastava, K.N. Rai and S. Das, Analytical approach to micro scale bio-film heat transport using homotopy perturbation method, Int. J. of Applied Mathematics and Computation, V.1, 148-158(2009).
  58. S. Das and P.K. Gupta, An Approximate Analytical Solution of the Fractional Diffusion Equation with Absorbent Term and External Force by Homotopy Perturbation Method, Zeitschrift für Naturforschung A, V. 65a,182-190 (2010).
  59. D. Tripathi, S. K. Pandey, and S. Das, Peristaltic Flow of Viscoelastic Fluid with Fractional Maxwell Model through a Channel, Applied Mathematics and Computation, V. 215, 3645-3654 (2010).
  60. S. Das, A Note on Fractional Schrodinger Equation, Nonlinear Science, Letter A, V.1, 91-94 (2010).
  61. S. Das, R. Kumar and P. K. Gupta, Homotopy Analysis Method for Fractional Diffusion Equation with Absorbent Term and External Force, Journal of Nonlinear Systems and Applications, V. 1, 141-145 (2010).
  62. S. Das and Rajeev, Solution of fractional diffusion equation with a moving boundary condition by Variational Iteration Method and Adomian Decomposition Method, Zeitschrift für Naturforschung A, Vol. 65a, 793-799 (2010).
  63. S. Das, R. Kumar and P. K. Gupta, An approximate analytical solution of the fractional diffusion equation with external force and different type of absorbent term – Revisited, Special Issue No. 1, 101-109 (2010).
  64. K. Rajeev and S. Das, A Numerical Study for Inward Solidification of a Liquid Contained in Cylindrical and Spherical Vessel, Thermal Sciences, V.14, 365-372 (2010).
  65. S. Das, R. Kumar, P.K. Gupta, Approximate analytical solutions for fractional space- and time- partial differential equations using homotopy analysis method, Applications and Applied Math. V. 5, 1641-1659 (2010).
  66. S. Das, P.K. Gupta and K. Vishal, Approximate approach to the Das Model of Fractional Logistic Population Growth, Applications and Applied Mathematics, V. 5, 1702-1708 (2010).
  67. S. Das, S. Kumar and O.P. Singh, Solutions of Nonlinear Second Order Multi-point Boundary Value Problems by Homotopy Perturbation Method, Applications and Applied Mathematics, V, 05, 1592-1600 (2010).
  68. S. Das, and R. Kumar, An Approximate Analytical Solution of One-Dimensional Phase Change Problems in a Finite Domain, Applied Mathematics and Computation, V.217, 6040-6046 (2011).
  69. S. Das, Approximate analytical solutions of time-space fractional diffusion equation by Adomian Decomposition Method and Homotopy Perturbation Method, Communications in Fractional Calculus, V.2, 29-35 (2011).
  70. S. Das and P.K. Gupta, Application of Homotopy Perturbation Method and Homotopy Analysis Method to Fractional Vibration Equation, Int. J. of Computer Mathematics, V. 88, 430-441 (2011).
  71. S. Das and P.K. Gupta, Homotopy Analysis Method for Solving Fractional Hyperbolic Partial Differential Equations, Int. J. of Computer Mathematics, V. 88, 578-588 (2011).
  72. D. Tripathi, P.K. Gupta, and S. Das, Influence of Slip Condition on Peristaltic Transport of a Viscoelastic Fluid with Fractional Burgers’ model, Thermal Sciences, V. 15, 501-515 (2011).
  73. H. Jafari, S. Das and H. Tajadodi, Solving a multi-order fractional differential equation using Homotopy analysis method, Journal of King Saud University (Science), V.23, 151-155 (2011).
  74. S. Das, R. Kumar, and P.K. Gupta, Analytical approximate solutions of space- and time- fractional diffusion equation with a moving boundary condition, Zeitschrift für Naturforschung A, V. 66a, 281–288 (2011).
  75. D. Tripathi, S.K. Pandey and S. Das, Peristaltic transport of a generalized Burgers' fluid: Application to movement of chyme in the small intestine, Acta Astronautica, V. 69, 30-38 (2011)
  76. S. Das, H. Jafari and P.K. Gupta, Approximate analytical solution of the Fractional predator-prey model for n–species by Homotopy Analysis Method, J. Adv. Res. Sci. Comput., V. 3, 15-30 (2011).
  77. S. Das, R. Kumar and P.K. Gupta, The homotopy analysis method for fractional Cauchy reaction–diffusion problems, International Journal of Chemical Reactor Engineering, V. 9, 1542-6580, (2011).
  78. S. Das and P.K. Gupta, A Mathematical Model on fractional Lotka-Volterra equations, Journal of Theoretical Biology, V. 277, 1-6 (2011).
  79. S. Das, P.K. Gupta and P. Ghosh, An approximate solution of nonlinear fractional reaction-diffusion equation, Applied Mathematical Modelling, V.35, 4071-4076 (2011)
  80. S. Das, K. Vishal and P.K. Gupta, Solution of the nonlinear fractional diffusion equation with absorbent term and external force, Applied Mathematical Modelling, V.35, 3970–3979 (2011).
  81. S. Das, K. Vishal, P.K. Gupta and A. Yildirim, An approximate analytical solution of time-fractional telegraph equation, Applied Mathematics and Computation, V.217, 7405-7411 (2011).
  82. S. Das, K. Vishal, P.K. Gupta, and S. Saha Ray, Homotopy Analysis Method for solving Fractional Diffusion equation, Int. J. Applied Mathematics and Mechanics, 7, 28-37 (2011).
  83. S. Das and R. Kumar, Approximate analytical solutions of fractional gas dynamic equations, Applied Mathematics and Computation, V. 217, 9905-9915(2011).
  84. S. Das, An approximate analytical solution of Schrodinger equation, Nonlinear Science, Letter B, V.1, 129-133 (2011).
  85. N. A. Khan, M. Jamil, A. Ara and S. Das, Explicit Solution for Time-Fractional Batch Reactor System, Int. J. of Chemical Reactor Engineering, V.9, A 91(2011).
  86. K. Vishal, S. Kumar and S. Das, Application of Homotopy Analysis Method for Fractional Swift Hohenberg Equation- Revisited, Applied Mathematical Modelling, V. 36, 3630-3637 (2011).
  87. S. Das, An approximate analytical solution of nonlinear fractional diffusion equation, International Journal of Nonlinear Science, V.12, 339-346 (2011).
  88. N. A. Khan, M. Jamil, A. Ara and S. Das, Compact on Solutions of Nonlinear Dispersive K(n,n) Equations with Time fractional Derivatives, World Applied Science Journal, Accepted (2011).
  89. K. Vishal and S. Das, Solution of the nonlinear fractional diffusion equation with absorbent term and external force using optimal homotopy-analysis method, Zeitschrift für Naturforschung A, V.67a, 203-209 (2012).
  90. P. Ghosh, A. Sarkar and S. Das, Analysis of film condensation along a vertical flat plate under sinusoidal G-Jitter, Microgravity, Science and Technology, Springer, V.25, 95-102 (2012).
  91. R. Kumar and S. Das, Fractional diffusion equations in the presence of reaction terms, Communications in Fractional Calculus, Accepted (2012).
  92. S. Das, Approximate Solution of Fractional Diffusion Equation – Revisited, International Review of Chemical Engineering, V. 4, 501-504 (2012).
  93. S. Das, K. Vishal and P. K. Gupta, Approximate analytical solution of diffusion equation with fractional time derivative using optimal homotopy analysis method, Surveys in Mathematics and its Applications, Accepted, V.8, 35-49 (2013).
  94. S. Das and S. P. Ansari, Stability analysis of fractional order water-borne epidemic model, Communications in Fractional Calculus, V.4, 25-31 (2013).
  95. P. K. Singh and S. Das, Approximate analytical solutions of the time-fractional coupled Burger equations and KdV equations using homotopy perturbation transform method, Problems of Nonlinear Analysis In Engineering Systems, V.19, 58-67 (2013).
  96. K. Vishal, S. Das, S. H. Ong and P. Ghosh, On the Solutions of Fractional Swift Hohenberg Equation with dispersion, Applied Mathematics and Computation, V. 219, 5792-5801 (2013).
  97. V. Mishra, K. Vishal, S. Das, and S. H. Ong, On the solution of the nonlinear fractional diffusion-wave equation with Absorbtion: Homotopy approach, Zeitschrift für Naturforschung, V.69, 135-144 (2014).
  98. V. Mishra and S. Das, Solution of Variable order fractional differential equations using homotopy analysis method, Journal of Mathematics and Computer Science, Accepted (2015).
  99. V. Mishra, S. Das, H. Jafari and S. H. Ong, Study of fractional order Van der Pol Equation, Journal of King Saud University-Science, Elsevier, V. 28, 55–60 (2016).
  100. S. Das, P. Kar and V. Mishra, Solution of Nonlinear Fractional diffusion equation using similarity transform and homotopy analysis method, International Review of Chemical Engineering, V. 7, 22-28 (2015).

    Nonlinear Dynamics

  101. M. Srivastava, S. K. Agrawal and S. Das, Synchronization of chaotic fractional order Lotka-Volterra systems, Int. J. of Nonlinear Science, V.13, 482-494 (2012).
  102. S. K. Agrawal, M. Srivastava and S. Das, Synchronization of fractional order chaotic systems using Active control, Chaos, Solitons & Fractals, V. 45, 737-752 (2012).
  103. S. K. Agrawal, M. Srivastava and S. Das, Synchronization between fractional order Ravinovich-Fabrikant and Lotka-Volterra system, Nonlinear Dynamics, V. 69, 2277-2288 (2012).
  104. S. K. Agrawal, M. Srivastava and S. Das, Hybrid Synchronization between different fractional order Hyperchaotic systems using Active control method, Journal of Nonlinear System and Application, V.2013, 70-76 (2013).
  105. M. Srivastava, S. K. Agrawal and S. Das, Adaptive anti-synchronization between different hyperchaotic systems with uncertain parameters, Differential Equations and Control Processes, V.4, 92-110 (2012).
  106. S.K. Agrawal and S. Das, A modified adaptive control method for Synchronization of some fractional chaotic systems with unknown parameters, Nonlinear Dynamics, Springer, V.73, 907-919 (2013).
  107. S. Das, M. Srivastava and A.Y.T. Leung, Hybrid phase synchronization between identical and non-identical three-dimensional chaotic system using active control method, Nonlinear Dynamics, V.73, 2261-2272 (2013).
  108. S.K. Agrawal and S. Das, Projective Synchronization between different fractional order hyperchaotic systems with uncertain parameters using Proposed Modified Adaptive Projective Synchronization Technique, Mathematical Methods in the Applied Sciences, DOI: 10.1002/mma. 2963 (2013).
  109. M. Srivastava, S.K. Agrawal, K. Vishal and S. Das, Adaptive projective synchronization between different chaotic systems with parametric uncertainties and external disturbances, Pramana - Journal of Physics, Springer, V.81, 417-437 (2013).
  110. M. Srivastava, S. K. Agrawal and S. Das, Reduced-order anti-synchronization of the projections of the fractional order hyperchaotic and chaotic systems, Central European Journal of Physics, 11(10), 1504-1513 (2013).
  111. M. Srivastava, S. P. Ansari, S. K. Agrawal, S. Das and A. Y. T. Leung, Anti-synchronization between identical and non-idetical fractional order chaotic systems using Active control method, Nonlinear Dynamics, 76, 905-914 (2014).
  112. M. Srivastava, S.K. Agrawal, K. Vishal and S. Das, Chaos control of Fractional order Ravinovich-Fabrikant System and Synchronization between chaotic and chaos controlled Fractional order Ravinovich-Fabrikant system, Applied Mathematical Modelling, 38 (13), 3361-3372 (2014).
  113. S.P. Ansari and S. Das, Projective Synchronization of time-delayed chaotic systems with unknown parameters using Adaptive Control Method, Mathematic?al Methods in the Applied Sciences, V. 38, 726-737 (2015).
  114. S.P. Ansari and S. Das, Phase Synchronization between fractional order chaotic systems with uncertainties and external disturbances, Proc. American Institute of Phys., Accepted (2015).
  115. S.K. Agrawal and S. Das, Function Projective Synchronization between four dimensional Chaotic Systems with Uncertain Parameters Using Modified Adaptive Control Method, Journal of Process Control, V.24, 517-530 (2014).
  116. K. Vishal, S. K. Agrawal and S. Das, Hyperchaos control and adaptive synchronization with uncertain parameters for fractional order Mathieu-Van der Pol systems, Pramana - Journal of Physics, Springer, V. 86, 59-75 (2016).
  117. S. P. Ansari, S. K. Agrawal and S. Das, Stability Analysis of fractional order Generalized Chaotic SIR epidemic model and Its Synchronization using Active Control Method, Pramana - Journal of Physics, Springer, V.84, 23-32 (2015).
  118. V. K. Yadav, S. K. Agrawal, M. Srivastava and S. Das, Phase and anti-phase synchronizations of fractional order hyper-chaotic systems with uncertainties and external disturbances using nonlinear Active control method, International Journal of Dynamics and Control, 1-10, 11 June (2015).
  119. S. Das and V. K. Yadav, Chaos control and function projective synchronization of fractional order systems through backstepping method, Theoretical and Mathematical Physics, Accepted (2015).
  120. A. K. Singh, V. K. Yadav and S. Das, Synchronization between fractional order complex chaotic systems, International Journal of Dynamics and Control, 1-15, 29 January (2016).
  121. V. K. Yadav and S. Das, Stability analysis, Chaos control of Fractional order Vallis and El Nino systems and its Synchronization, IEEE Journal of Automatica Sinica, Accepted (2016).

    Book Chapter

  122. Homotopy Analysis Method for fractional Swift-Hohenberg equation, Advances in the Homotopy Analysis Method, Editor - S. J. Liao, World Scientific Publisher, 2014.

Academic Visits:





1. Presented a paper entitled ‘ Stress Intensity Factors for a pair of equal parallel Interfacial  Cracks on a layer sandwiched between    two dissimilar Half-planes’ in the 10th Bangladesh Mathematical Conference organized by Bangladesh Mathematical Society in     University of Dhaka, Bangladesh in 1995.
2. Selected as a participant in attending the Summer School course on Non linear Hyperbolic Equations’ conducted by CIMPA  was     held in Fudan University, Beijing, China from September 9-26,1998.
3. Selected as a participant in attending the 31st Symposium on Mathematical Physics, institute of Physics, Nicholas Copernicus     University, May 18-21, 1999, Torun, Poland.
4. Selected as a participant in attending the Quantum Symposium in Thermal Physics and Mathematics (School) CIMPA - UNSA -     UNESCO - ARGENTINA San Carlos de Bariloche, Argentina, January 10-24, 2000.
5. Participated in the CIMPA School course on Mathematical Problems arising from thin Structures held in Sanghai, CHINA, August     20-31, 2001.
6. Selected as a participant in the International conference on SMART TECHNOLOGY DEMONSTRATORS AND DEVICES in     Edinburgh, U.K., December 12-14,2001.
7. Selected as a participant in the Satellite conference of ICM, 2002 Beijing on Scientific computing (SCSC) held in Xian, CHINA,     during August 15-18 , 2002.
8. Delivered a lecture in the Laboratory of the Faculty of Engineering in Shizuoka University, JAPAN, during December 5 - 7, 2004.
9. Participated in the CIMPA School course on Kinetic Equations : from Theory to Applications held in Academia Sinika, Taipei,     Taiwan, during December 8 - 20 , 2004.
10. Participated in the NSF - CBMS Conference on New Perspective for boundary value problems and their Asymptotics held in       University of Texas, USA during May 16-20, 2005.
11. Had been an Academic Visitor to the Department of Mechanical Engineering at National University of Singapore (NUS)  from June 03-      June 10, 2007.
12. Presented a paper titled Interaction of moving Interfacial cracks in composite media under antiplane  shear at ICIAM’07 held at       ETH, Zurich, Switzerland between July 16 - July 20, 2007.
13. Had been an Academic Visitor to the Department of Applied Mathematics at ICTP, Trieste, Italy from July 21-July 29, 2007.
14. Had been an Academic Visitor to the Department of Mechanical Engineering at National University of Singapore(NUS)  from       June 13-June 25, 2008.
15. Presented a paper titled " Solution of time-space fractional diffusion equation with Absorbant term " at ICCSA 2009 held at       University of Le Havre , Le Havre, Normandy, France during June 29 -July 02, 2009.
16. Had been an Academic Visitor to the Department of Mechanical Engineering at National University of Singapore (NUS)  from       June 16 - June 30, 2010.
17. Had been an Academic Visitor of the Department of Mechanical Engineering at Hong Kong Polytechnique University from       February 12-19, 2011.
18. Had been an Academic Visitor of the Institute of Mathematical Science, University of Malaya, Malaysia from June 15- July 14,       2011.

19. Had been an Academic Visitor of the Department of Civil and Construction Engineering at  City University, Hong Kong during       February 29 - March 10, 2012.

20. Had been an Academic Visitor of the Institute of Mathematical Science, University of Malaya, Malaysia from June 15- July 14,       2012.

21. Had been an Academic Visitor of the Department Mechanical Engineering, Tokyo University of science, Tokyo, Japan during       June 8-17, 2013.

22. Had been an Academic Visitor of the Department of Civil and Construction Engineering, at City University, Hong Kong during       June 17-23, 2013.

23. Had been an Academic Visitor of the Institute of Mathematical Science, University of Malaya, Malaysia, from July 3-16, 2013.

24.Had been an Academic Visitor to the Department of Mechanical Engineering at National University of Singapore (NUS) from      April 3 – April 10, 2014.

25.Had been an Academic Visitor of the Institute of Mathematical Science, University of Malaya, Malaysia from June 17-30, 2014.

26.Presented a paper titled “Phase Synchronization between fractional order chaotic systems with uncertainties and external      disturbances” at International Conference of Numerical Analysis and Applied Mathematics (ICNAAM 2014) held at Rhodes,      Greece during Sept 22 – 28, 2014.

27.Presented a paper titled “Chaos control and function projective Synchronization of fractional order systems through backstepping      method” at International Conference of Physics and Mathematics of Nonlinear Phenomena (PMNP 2015) held at Gallipoli,      Italy during June 20 – 27, 2015.

28.Had been an Academic Visitor of the Institute of Mathematical Science, University of Malaya, Malaysia from July 12-22, 2015.

Seminar / conference / workshop organised


  1. Organised a Summer School under the aegis of the Department of Science & Technology, Govt. of W.B. and West Bengal State Council of Science & Tech. during 27th April – 8th May, 2007 at BPPIMT, Kolkata.

  2. Acted as the Organising Secretary in National Conference on Recent Trends in Mathematical Modelling and simulation RTMMS-2010 held in Department of Applied Mathematics, IT, BHU, Varanasi during March 18-20, 2010.

  3. Acted as the Organising Secretary in National Conference on Mathematical Modelling and Computer simulation MMCS-2011 held in Department of Applied Mathematics, IT, BHU, Varanasi during March 25-27, 2011.

  4. Acted as the joint Convener in National Conference on Mathematical Modelling and Computer simulation MMCS-2012 held in Department of Applied Mathematics, IT, BHU, Varanasi during March 23-25, 2012.

  5. Organised a National Workshop on Mathematical Modelling & Computer Simulation under the aegis of the Teaching-Learning Cell, IIT(BHU) during March 20-21, 2015.

 

Projects:


1. Executed a Project entitled “Study of Interaction Between Griffith Cracks in Isotropic/Anisotropic Composite Media“, under the Department of Science & Technology, Govt. of West-Bengal, INDIA.
2. Executed a Project entitled “Study of Interaction between cracks in Orthotropic Composite Media”, under the Department of Science & Technology, Govt. of West-Bengal, INDIA.
3. A MoU has been signed with TCS, India by virtue of which one of my research scholars Ms. Sana P. Ansari is getting a scholarship of Rs. 23,000/- per month for a period of three years.
4. One of the Team members of the research project sub programme sponsored by University of Malaya research programme. Title of the proposed programme : Stochastic dynamics, processes and models for dispersion. Programme leader: Prof. S. H. Ong. Research grant : RM 179,900 per year for a duration three years.
5. The project entitled “Fractional calculus approached solutions for two dimensional graound water contaminations in unsaturated media” has been approved by Board of Nuclear Science (BRNS), BARC, Govt. of India in the year 2013 for the duration of three years.
6.The ongoing project entitled “Fractional calculus approached solutions for two dimensional graound water contaminations in unsaturated media” has been approved by Board of Nuclear Science (BRNS), BARC, Govt. of India for a period of three years (2014 – 2017), Research grant: Rs. 22,95,750/-.
7.The ongoing project entitled “Study and Analysis of Mathematical Models of Nonlinear Fractional order Diffusion Equations” has been approved by SERB, Department of Science & Technology, Govt. of India for a period of three years (2015 – 2018), Research grant: Rs. 16,92,000/-.
8.The project entitled “Study of Some Engineering problems in Fractional order Dynamical Systems” has been sanctioned under Institute Research Project (for individual faculty) for a period of one year (2015 – 2016) under , Research grant: Rs. 4,02,500/-.

 

Contact:

Address:
Department of Mathematical Sciences,
Indian Institute of Technology(BHU),
Varanasi - 221 005,
India.

Phone No. +91-9451141269
e-mail : subir_das08@hotmail.com; sdas.apm@itbhu.ac.in