• Research Areas
space bars/plates/shells – static, dynamic, stability analysis – elastic, viscoelastic materials – FINITE ELEMENTS
 
 
  • Education
Ph.D. Mixed Finite Element Analysis of Stiffened Variable Cross-Sectional Cylindrical Shells Istanbul Technical University, Faculty of Civil Engineering, Istanbul-Turkey 1990
M.Sc. Comparison of Some Methods for the Analyses of Frame Shear Wall Systems Bosphorus University, Department of Civil Engineering, Istanbul-Turkey 1980
B.Sc. Civil Engineering Bosphorus University, Department of Civil Engineering, Istanbul-Turkey 1978
 
 
  • Work Experience
Professor. Dr. Istanbul Medipol University, School of Engineering and Natural Sciences 2019-cont
Professor. Dr. Istanbul Technical University, Faculty of Civil Engineering, Istanbul-Turkey 2000-2019
Associate Professor Dr. Istanbul Technical University, Faculty of Civil Engineering, Istanbul-Turkey 1993-2000
Assistant Professor Dr. Istanbul Technical University, Faculty of Civil Engineering, Istanbul-Turkey 1990-1993
 
 
  • Offered Undergraduate Courses
Statics Spring
Dynamics Fall
Strength of Materials 1 Fall
Strength of Materials 2 Spring
 
 
  • Offered Graduate Courses
Bar Finite Elements Fall
Finite Elemets Spring
 
 
  • Funded Research
Nonlinear dynamic analysis of laminated composite shells under seismic loads by FE method, KFA Jülich GmbH (Germany) and The Scientific and Technological Research Council of Turkey (TÜBİTAK-Turkey), Directors: Mehmet H. Omurtag, Yalçın Aköz (Turkey), Yavuz Başar (Germany), 1996-1998.
Damage Analysis in Multi-layered Shell Structure Elastic Foundation Interaction for Seismic Problems, KFA Jülich GmbH (Germany) and The Scientific and Technological Research Council of Turkey (TÜBİTAK-Turkey), Directors: Mehmet H. Omurtag (Turkey), Yavuz Başar (Germany), 2000-2002
Nonlinear dynamic behavior of nonhomogenous/heterogeneous plates under blast loading with finite elements, The Scientific and Technological Research Council of Turkey (TÜBİTAK-Turkey), Director: Mehmet H. Omurtag (Turkey), 2007-2009
Analysis of noncylindrical, variable cross-sectional viscoelastic helicoidal bars with Mixed FE, The Scientific and Technological Research Council of Turkey (TÜBİTAK-Turkey), Director: Mehmet H. Omurtag, 2011-2014
The solution of the nonlinear dynamic buckling and vibration problems of laminated truncated conical shells containing functionally graded layers subjected to time dependent axial loads, The Scientific and Technological Research Council of Turkey , Coworker, 2008-2010
Stability analysis of composite laminated plates and shells by mixed FE method, Resarch Fund of İstanbul Technical University, Director, 1998-2000
 
 
  • Selected Publications
1. AKÖZ A.Y, OMURTAG M.H. and DOĞRUOĞLU A.N, The mixed finite element formulation for three dimensional bars, Int. J. Solids Structures, 28, 225-234, 1991
2. OMURTAG M.H. and AKÖZ A.Y, Mixed finite element formulation of eccentrically stiffened cylindrical shells, Comput. & Structures, 42(5), 751-768, 1992
3. OMURTAG M.H. and AKÖZ A.Y, The mixed finite element solution of the helical beams with variable cross section under arbitrary loading, Comput. & Structures, 43(2), 325-331, 1992
4. OMURTAG M.H. and AKÖZ A.Y, A compatible cylindrical shell element for stiffened cylindrical shells in mixed finite element formulation, Comput. & Structures, 49(2), 363-370, 1993
5. OMURTAG M.H. and AKÖZ A.Y, Hyperbolic paraboloid shell analysis via mixed finite element formulation, Int. J Numer. Methods Eng., 37, 3037-3056, 1994
6. OMURTAG M.H. and AKÖZ A.Y, Isoparametric mixed finite element formulation of orthotropic cylindrical shells, Comput. & Structures, 55(5), 915-924, 1995
7. OMURTAG M.H, ÖZÜTOK A, AKÖZ A.Y. and ÖZÇELİKÖRS Y, Free vibration analysis of kirchhoff plates resting on elastic foundation by mixed finite element formulation based on Gâteaux differential, Int. J Numer. Methods Eng., 40, 295-317, 1997
8. ÖZÇELİKÖRS Y, OMURTAG M.H. and DEMİR H, Analysis of othotropic plate-foundation interaction by mixed finite element formulation using gâteaux differential, Computers & Structures, 62(1), 93-106, 1997
9. OMURTAG M.H. and KADIOĞLU F, Free vibration analysis of orthotrpic plates resting on pasternak foundation by mixed finite element formulation, Comput. & Structures, 67, 253-265, 1998
10. ARTAN R. and OMURTAG M.H, Two plane punches on a nonlocal elastic half plane, I.J. Engng. Science, 38, 395-403, 2000
11. BAŞAR Y. and OMURTAG M.H, Free-vibration analysis of thin/thick laminated structures by layer-wise shell models, Comput. & Structures, 74, 409-427, (2000)
12. DOĞRUOĞLU A.N, and OMURTAG M.H, Stability analysis of composite-plate foundation interaction by mixed FEM, ASCE, J. Engng. Mechanics, 126(9), 928-936, 2000
13. OMURTAG M.H. and ÇELİK M., Determination of the Vlasov foundation parameters-quadratic variation of elasticity modulus – Using FE Analysis, Struct. Engng. Mech., 19(6), 619-637, 2005
14. SAYGUN A, OMURTAG M.H. ORAKDÖĞEN E, GİRGİN K, KÜÇÜKARSLAN S. and DARILMAZ K, A Simplified solution of the torsional rigidity of the composite beams by using FEM, Advances in Struct. Engng.,10(5), 467-473, 2007
15. UĞURLU B, KUTLU A, ERGİN A. and OMURTAG M.H, Dynamics of a rectangular plate resting on an elastic foundation and partially in contact with a quiscent fluid, Journal of Sound and Vibration, 317(1-2), 308–328, 2008
16. SOFIYEV. A, OMURTAG M.H, and SCHNACK E, The vibration and stability of orthotropic conical shells with non-homogeneous material properties under a hydrostatic pressure, Journal of Sound and Vibration, Journal of Sound and Vibration, 319, 963-983, 2009
17. ORAKDÖĞEN E, KÜÇÜKARSLAN S, SOFİYEV A. and OMURTAG M.H, Finite element analysis of functionally graded plates for coupling effect of extension and bending, Meccanica, 45, 63-72, 2010
18. AKSOYLAR C, ÖMERCİKOĞLU A, MECİTOĞLU Z. and OMURTAG M.H, Nonlinear Transient analysis of FGM and FML plates under blast loads by experimental and mixed FE methods, Composite Structures, 94(2), 731-744, 2012
19. KUTLU A, UĞURLU B, OMURTAG M.H and ERGİN A, Dynamic Response of Mindlin Plates Resting on Arbitrarily Orthotropic Pasternak Foundation and Partially in Contact with Fluid, Ocean Engineering, 42, 112-125, 2012
20. KUTLU A and OMURTAG M.H., Large deflection analysis of elliptic plates on orthotropic elastic foundation with mixed finite element method, International Journal of Mechanical Sciences, 65, 64-74, 2012
21. SOFİYEV A, DENİZ A, AVCAR M, ÖZYİĞİT P. and OMURTAG M.H., Efects of the non-homogeneity and elastic medium on the critical torsional load of the orthotropic cylindrical shell, ACTA Physica Polonica A, 123(4), 2013
22. ERATLI N, ARGESO H, ÇALIM F, TEMEL B and OMURTAG M.H., Dynamic analysis of linear viscoelastic cylindrical and conical helicoidal rods using the mixed FEM, Journal of Sound and Vibration, 333, 3671-3690, 2014
23. KUTLU A, MESCHKE G and OMURTAG M.H., A new mixed finite element approach for the elasto-plastic analysis of Mindlin plates, Journal of Engineering Mathematics, 99, 137-155, 2016
24. YILMAZ M and OMURTAG M.H., Large deflection of 3D curved rods: An objective formulation with principal axes transformations, Computers & Structures, 163, 71–82, 2016
25. ERATLI N, YILMAZ M, DARILMAZ K and OMURTAG M.H., Dynamic analysis of helicoidal bars with non-circular cross-sections via mixed FEM, Struct. Engng. Mech., 57(2), 221-238, 2016
26. ERMİŞ M, ERATLI N, ARGESO H, KUTLU A. and OMURTAG M.H., Parametric Analysis of Viscoelastic Hyperboloidal Helical Rod, Advances in Structural Engineering, 19(9), 1420-1434, 2016
27. ERMİŞ M and OMURTAG M.H., Static and Dynamic Analysis of Conical Helices Based on Exact Geometry via Mixed FEM, International Journal of Mechanical Sciences, 131–132, 296–304, 2017
28. KUTLU A, UĞURLU B and OMURTAG M.H., A Combined Boundary-Finite Element Procedure for Dynamic Analysis of Plates with Fluid and Foundation Interaction Considering Free Surface Effect, Ocean Engineering, 145, 34-43, 2017
29. ARIBAS Ü, ERMİŞ M, ERATLI N and OMURTAG M.H, The Static and Dynamic Analyses of Warping Included Composite Exact Conical Helix By Mixed FEM, Composites Part B, 160, 285-297, 2019
30. ARIBAS Ü, ERMİŞ M, KUTLU A, ERATLI N and OMURTAG MH, Forced vibration analysis of composite-geometrically exact elliptical cone helices via mixed FEM, Mechanics of Advanced Materials and Structures, (accepted for publication), 2020
31. ERATLI N, ERMİŞ M, and OMURTAG MH, Free vibration analysis of helicoidal bars with thin-walled circular tube cross-section via mixed finite element method, Sigma J Eng & Nat Sci, 33, 200-218, 2015
32. ERMIS M., ARIBAS U.N., ERATLI N. and OMURTAG M.H., 2017, Static and Free Vibration Analysis of Composite Straight Beams on the Pasternak Foundation, WSEAS Transactions on Applied and Theoretical Mechanics, E-ISSN: 2224-3429, 12, 113-118, 2017
33. ERMIS M., KUTLU A., ERATLI N. and OMURTAG M.H., The Dynamic Analysis of a Linear Viscoelastic Planar Elliptical Beam, Sigma J Eng & Nat Sci, (Special Issue_XX. Ulusal Mekanik Kongresi 2017), 9(2), 157-168, 2018.
34. ARIBAŞ Ü.N., ERMİŞ M., KUTLU A., ERATLI N. and OMURTAG M.H., Forced vibration analysis of warping considered curved composite beams resting on viscoelastic foundation, Gazi University Journal of Science, 31(4), 1093-1105, 2018
35. ARIBAS U.N., ERMIS M., KUTLU A., ERATLI N. and OMURTAG M.H., Elastically Damped Transient Response of Axially FG Straight Beams, International Journal of Theoretical and Applied Mechanics, ISSN: 2367-8992, 4, 19-25, 2019
36. ARIBAŞ Ü.N. and OMURTAG M.H., The Static Response of Sandwich Exact Conical Helices via MFEM, Journal of Structural Engineering & Applied Mechanics, 2(4), 153-163, 2019
37. KUTLU A. and OMURTAG M.H., Buckling of rectangular fsdt plates resting on orthotropic foundation by mixed fem, Sigma J Eng & Nat Sci, 38 (2), 659-666, 2020
38. ÇÖMEZ İ, ARIBAS U, KUTLU A and OMURTAG MH, Exact Elasticity Solution for Monoclinic Functionally Graded Beams, Arabian Journal for Science and Engineering, (accepted for publication), 2021