Institute of Mechanics

Assoc. Prof. Dr.

Department: Solid Mechanics

Room number: 426

Phone: +359 2 979 6480

E-mail: e.manoach@imbm.bas.bg

Scientific degrees, institution, year:

Associate Professor, Institute of Mechanics, 1995

• Ph.D., Sofia University, 1986

• M.Sc. in Mechanics, Sofia University,1980

Fields of Research:

Mechanics of Solids, Nonlinear Dynamics of Structures, Damage Detections, Biomechanics, Robotics

Selected Publications:

Journal papers:

1. • E. Manoach, I. Trendafilova, Damage detections in nonlinear vibrating thermally loaded plates. book chapter in “Materials with Complex Behaviour" by A. Oechsner, da Silva, and Altenbach (Eds) 2010 Springer, Germany. (in press)
   • E. Manoach. Damage detections in nonlinear vibrating, thermally loaded structures, Journal of Theoretical and Applied Mechanics, 39 (4), pp. 39-52, (2009)<!--[endif]-->
   • I. Trendafilova, D Gorman, E. Manoach. An investigation on vibration-based damage detection in circular plates. Structural Health Monitoring Int. Journal. 291-302<!--[endif]-->

   • A. Israr, M. Cartmell, E. Manoach, I. Trendafilova, W. Ostachowicz,M. Krawczuk A. Zak. Analytical modelling and vibration analysis of partially cracked rectangular plates with different boundary conditions and loading. J. Appl. Mech. 76-011005, (2009) / 11005-1 :9

   • I.Trendafoilova, D.G Gorman and E. Manoach. An investigation on vibration-based damage detection in circular plates. Structural Health Monitoring Int. Journal. pp. 291-302 (2009)

   • E. Manoach, I. Trendafilova, Large Amplitude Vibrations and damage detection of rectangular plates, Journal of Sound and Vibrations, 315 (3), pp. 591-606 (2008)

   • I.Trendafilova, E. Manoach , Vibration Based Damage Detection in Plates by Using Time Series Analysis, Mechanical Systems and Signal Processing, 22 (5), pp. 1092-1106, (2008)

   • Trendafilova, I., Manoach, E., Cartmell, M.P., Ostachowicz, W., Zak, A. An investigation on damagedamage detection in aircrafts panels using nonlinear time series analysis 2007 Key Engineering Materials 347, pp. 213-218

   • Grabowska, J., Palacz, M., Krawczuk, M., Ostachowicz, W., Trendafilova, I., Manoach, E., Cartmell, M. Wavelet analysis for damage identification in composite structures 2007 Key Engineering Materials 347, pp. 253-258

   • I.Trendafilova, E. Manoach, M.P.Cartmell, M.Krawczuk, W.M.Ostachowicz, M.Palacz, On the problem for damage detection of vibrating cracked plates. Applied Mechanics and Materials 5-6, pp. 247-254 (2006)

   • A. Isar, M. Cartmel, M.Krawczuk, W..Ostachowicz, E.Manoach, I.Trendafilova, E.V.Shiskina and M.Palacz, On Approximate Analytical Solutions for Vibrations in Cracked Plates. Applied Mechanics and Materials 5-6, pp. 315-322 (2006)

   • P. Ribeiro, E. Manoach, The effect of temperature on the large amplitude vibrations of curved beams, J. Sound & Vibrations vol. 285 pp. 1093-1107 (2005).

   • E. Manoach, Thermoelastic large amplitude vibrations of Mindlin circular plates. Mechanics of the Machines, vol. 56, pp.15-20 (2005).

   • E. Manoach , P. Ribeiro, Coupled, thermoelastic, large amplitude vibrations of Timoshenko beams. Int. J. Mechanical Sciences, vol. 46, pp. 1589-1606 (2004).

   • Joel L. Berry, Emil Manoach, Choukri Mekkaoui, Pierre H. Rolland, J. E. Moore, Jr., and Alexander Rachev. Hemodynamics and Wall Mechanics of a Compliance Matching Stent: In Vitro and In Vivo Analysis, Journal of Vascular and Interventional Radiology Vol. 13, pp.97-105 (2002)

   • Z. Mohamed, J. Moore Jr , A. Rachev, J. Berry, E. Manoach, , Stress Concentration Reduction in Stented Arteries Using Compliance Transitioning. Int. J. of Cardiovascular Medicine and Science Vol. 3, pp. 137-147 (2000).

   • Rachev, E. Manoach, J. Berry, J. Moore Jr., А Model of Stress-Induced Geometrical Remodeling of Vessel Segments Adjacent to Stents and Artery/Graft Anastomoses. Journal of Theoretical Biology. 206, 429-443 (2000)

   • E. Manoach. Dynamic large deflection analysis of elastic-plastic structures. Journal of Theoretical and Applied Mechanics , Vol. 29 , pp.45-59 (1999)

   • K. Delchev and E. Manoach. An approach to the synthesis of structural elements made of composite materials by using of a electro-magnetic field. Journal of Theoretical and Applied Mechanics, Vol. XXV, (1996) pp.110-118

   • E. Manoach. Dynamic large deflection analysis of elastic-plastic Mindlin circular plates. International Journal of Non-Linear Mechanics, Vol. 29, (1994) pp. 723-735.

   • E. Manoach and D. Karagiozova. Dynamic response of thick elastic-plastic beams. International Journal of Mechanical Sciences. Vol. 35, (1993) pp. 909-919.

   • E. Manoach. Dynamic response of elastoplastic Mindlin plate by mode superposition method.. Journal of Sound and Vibrations. Vol. 162, (1993), pp.165-175.

   • E. Manoach ,D. Karagiozova. Impulse loading of an elastic-plastic beam on an elastic foundation. Computers and Structures. Vol. 45, (1992), pp. 605-612.

   • D. Karagiozova, E. Manoach. Coupling effects in an elastic-plastic beam subjected to heat impact. Nuclear Engineering and Design, Vol. 135, (1992),pp. 267-276.

   • D. Karagiozova, L. Hadjikov, E. Manoach, V. Karagiozov. On the inverse problems in dynamics of layered systems. Theoretical and Applied Mechanics - BAS. Vol. XXII, (1991), pp. 58-69.

   • E. Manoach, D. Karagiozova, L. Hadjikov, An inverse problem for an initially heated circular plate under a pulse loading. ZAMM (Applied Mathematics and Mechanics). Vol. 71, (1991), pp.413-416.

   • V. Sainov, E. Simova and E. Manoah. Plate Bending Investigation by Comparative Holographic Moire Interferometry. Evaluation by Finite Element Method. Optics and Lasers in Engineering Vol. 11, (1989), pp.15-25.

   • T. Angelov, E.Manoach. A Point in domain identification program. Advances in Engineering Software. Vol.11, (1989), pp. 99-106.

2.  

Conference papers

1. E. Manoach, I. Trendafilova, Large amplitude vibrations of damaged plates, 2007, Proc. of EUROMECH colloquium 483, Geometrically Non-linear vibrations of structures, 9-11 July, 2007, Porto, Portugal, pp. 149-153

2. E. Manoach. Large amplitude vibrations of rectangular and circular plates subjected to thermal and mechanical loads. 6^th European Solid Mechanics Conference, 28 August – 1 September 2006, Budapest Hungary (extended Abstract)

3. E. Manoach , P. Ribeiro, Proceedings of 10^th Jubilee National Congress on Teorethical and Applied Mechanics, Varna 2005, Vol. 1. pp. 270-281.

4. E. Manoach. Coupled, large amplitude vibrations of circular plates subjected to mechanical and thermal loading. Proc. Of ENOC-2005, Fifth EUROMECH Nonlinear Dynamic Conference Eindhoven, The Nederlands, 7-12 August 2005 pp. 2548-2557.

5. E. Manoach, M. Ferman, Coupled thermo-elastic large amplitude vibrations nonlinear vibrations of beams subjected to thermal and mechanical loadings. In Proc. of Int. Conference on Nonlinear Problems in Aviation and Aerospace ICNPAA 2004: Mathematical Problems in Engineering and Aerospace Science. June 2-4, Timisoara, Romania, Cambridge Scientific Publishers, pp. 423-431.

6. E. Manoach , Large amplitude vibrations of Timoshenko beams subjected to thermal loading. 8th International Conference on Recent Advances in Structural Dynamics, July 2003, Southampton, UK. CD-paper 39 (10 pages) (2003)

7. E. Manoach, Large Amplitude vibrations of beams at elevated temperatures, Proceedings of MEET/MARIND International conference, Varna, Bulgaria, October 2002, Vol.2, pp.207-212.

8. E. Manoach, Large Amplitude vibrations of heated beams, Proceedings of 9^th National Congress on Theoretical and Applied Mechanics, Varna, Bulgaria, September 2001, Vol.1, pp. 542-547.

9. Joel L. Berry, Emil Manoach, Choukri Mekkaoui, Pierre H. Rolland, J. E. Moore, Jr., and Alexander Rachev, An Experimental and Finite Element Study, Proceedings of 9^th National Congress on Theoretical and Applied Mechanics, Varna, Bulgaria, September 2001, Vol.1, pp. 288-298

10. E. Manoach, J. Berry, J. Moore Jr, A. Rachev, Finite Element Stress Analysis of Stented Arteries. Proc. of 1^st Baltic-Bulgarian Conference on Mechanics, Biomechanics and Bionics. June, Varna, Bulgaria, 2000, pp. 33-38.

11. E. Manoach. Dynamic large deflection analysis of elastic-plastic beams and plates.Proc. of 7^th International Conference Recent Advances on Structural Dynamics. 2000 , Vol. 1 , Southampton, England , August, 2000. pp. 389-400

12. Z. Mohammad, J. Moore Jr., J. Berry, E. Manoach, A. Rachev, Effects of Compliance Transitioning on Wall Stresses in a Stented Artery., Proceedings of the 1999 Bioengineering Conference, ASME, BED-Vol 42, 1999, pp.788-790.

13. E. Manoach G. de Paz K. Kostadinov and F. Montoya. Dynamic Response Of Single-Link Flexible Manipulators. Proceedings of 6 th International Conference Structural Dynamics : Recent Advances. 14 - 17 July, 1997 ,Southampton, Vol.2, pp.1275-1290

14. E. Manoach. Dynamic large deflection analysis of elastic-plastic Mindlin circular plates. in Proc. of the 5th International Conference Recent Advances on Structural Dynamics. 18th-21st July 1994, Southampton, Vol. 1, pp. 352-361.

15. D. Karagiozova and E. Manoach. Dynamic response of thick elastic-plastic beams. In Proceedings of 1st National Congress on Computational Mechanics. GR.A.C.M. Athens 3-4 September 1992., pp. 555-562.

Recent Projects: Recent International Projects:

Recent Projects with Bulgarian research fund:

Membership:

Bulgarian Union of Scientists,

Bulgarian Union of Mathematicians,

National Scientific Council of Mechanics,

General Assembly of the Bulgarian Academy of Sciences,

Scientific Council of the Institute of Mechanics,

National Scientific Council of Mechanics of Structures.

National Scientific Council of Applied Mathematics and Mechanics

Мember of the Editorial board of Advances in Acoustic and Vibrations (an open access International Journal: http://www.hindawi.com/journals/aav/)

Honors:

First prize of the National Research Fund for the head of the best project during the period 2001-2004.

First prize of the Union of Scientists in Bulgaria for scientific achievements in the period 2003-2005.

Institute of Mechanics tel.: +359 2 973 31 40; fax: +359 2 870 74 98; e-mail: office@imbm.bas.bg