Institute of Mechanics

Professor, Ph.D., Head of Department “Solid Mechanics”

Department: Solid Mechanics

Room number: 204

Phone: +359 2 979 6426

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

Scientific degrees, institution, year:

Professor, Institute of Mechanics, 2013

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

CURRICULUM  VITAE

Selected Publications:

1. Manoach E., Doneva S., Warminski J. (2020) Coupled, Thermo-elastic, Large Amplitude Vibration of Bi-material Beams. In: Altenbach H., Chinchaladze N., Kienzler R., Müller W. (eds) Analysis of Shells, Plates, and Beams. Advanced Structured Materials, vol 134. Springer, Cham
2. Shterev, K., Manoach, E., Stefanov, S. Hybrid numerical approach to study the interaction of the rarefied gas flow in a microchannel with a cantilever. (2019) International Journal of Non-Linear Mechanics, 117, art. no. 103239
3. Manoach, E., Warminska, A., Warminski, J., Doneva S. A reduced multimodal thermoelastic model of a circular Mindlin plate . International Journal of Mechanical Sciences,  Volumes 153–154, April 2019, pp 479-489
4. Cui, L., Manoach, E., Xu, W., Pan, L.X., Cao, M.S. Nonlinear crack assessment method in beams based on bispectrum-normal cloud model. (2019) Vibroengineering Procedia, 28, pp. 30-34.
5. Manoach, E., Cao, M., Doneva, S. Vibration based methods for damage detection of plates. (2018) AIP Conference Proceedings, 1922, art. no. 100014 . DOI: 10.1063/1.5019099
6. Xu, Y.M., Ding, K.Q., Cao, M.S., Manoach, E. Bispectral dynamics features for characterizing structural fatigue damage. (2018) Journal of Vibroengineering, 20 (5), pp. 2073-2084.
7. M. S. Cao, X. Zhu, W. Xu, X. M. Li, H. Xu, E. Manoach. Detection of debonding in steel-reinforced bridges using wavelet curvature features of laser-measured operating deflection shapes. Journal of vibroengineering. May 2017, 19, ( 3),pp. 1845-1853 (ISSN 1392-8716)
8. Manoach, E. , Warminski, J., Kloda, L., Teter, A. Numerical and experimental studies on vibration based methods for detection of damage in composite beams. Composite structures, 170 (2017) 26–39.
9. Manoach, E., Warminski J., Kloda, L., Teter, A. Vibration Based Methods For Damage Detection In Structures, MATEC Web of Conferences, Volume 83, 0507,  (2016) (6 pages)
10. Manoach, E. , A. Warminska, J. Warminski, "Dynamics of Beams under Coupled Thermo-Mechanical Loading", Applied Mechanics and Materials, Vol. 849, pp. 57-64, 2016
11. Warminska, E. Manoach, J. Warminski .Dynamics of a Circular Mindlin Plate under Mechanical Loading and Elevated Temperature, Article in MATEC Web of Conferences 83:05013, 2016
12. Warminska, E. Manoach, J. Warminski , Vibrations of a composite beam under thermal and mechanical loadings Procedia Engineering 144 ( 2016 ) 959 – 966 doi: 10.1016/j.proeng.2016.05.123 (0.24)
13. Stoykov, S., Manoach, E. Electro-mechanical coupling of rotating 3D beams,  MATEC Web of Conferences 83:05011 • January 2016
14. Litak, G., Manoach, E., Halverson, E.. Nonlinear and multiscale dynamics of smart materials in energy harvesting. European Physical Journal - Special Topics, 224 (14-15),  (2015) , pp. 2671-2673 . ISSN:1951-6355 (print version),
15. Manoach, E., Warminski, J., Warminska, A.. Large amplitude vibrations of heated Timoshenko beams with delamination. Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science, 230, 1, 230 (1), pp. 88-101  SAGE, 2015, ISSN:09544062, DOI:10.1177/0954406215570702,.
16. Stoykov, S., Manoach, E., Litak, G.. Vibration energy harvesting by a Timoshenko beam model and piezoelectric transducer.. European Physical Journal - Special Topics, 224, Springer, 2015, ISSN:1951-6355 (print version), DOI:10.1140/epjst/e2015-02587-3, 2755 - 2770
17. Stoykov, S., Manoach, E., Margenov, S.. An efficient 3D numerical beam model based on cross sectional analysis and Ritz approximations. ZAMM‐Journal of Applied Mathematics and Mechanics, Willey-VCH Verlag GmbH & Co. KGaA, Weinheim, 2015, ISSN:00442267, DOI:10.1002/zamm.201400139,  Volume 96, Issue , pp. 791–812,
18. Warminska, A., Manoach, E., Warminski, J., Samborski, S.. Regular and chaotic oscillations of a Timoshenko beam subjected to mechanical and thermal loadings. Continuum Mechanics and Thermodynamics, 27, 4, Springer, 2015, ISSN:0935-1175, 719 - 737.
19. Warminska, A.,  Manoach, E., Warminski, J. Nonlinear dynamics of a reduced multimodal Timoshenko beam subjected to thermal and mechanical loadings. Meccanica, DOI 10.1007/s11012-014-9891-3
20. Manoach, E., Warminski, J., Mitura, A., Samborski, Dynamics of a laminated composite beam with delamination and inclusions. European Physical Journal – Special Topics. 222 (2013), pp.1649-1664. (IF: 1.562. ISSN: 1951-6355)
21. Litak G., Manoach, E. Dynamics of composite nonlinear systems and materials for engineering applications and energy harvesting - The role of nonlinear dynamics and complexity in new developments, European Physical Journal – Special Topics, 222, (2013),  1479-1482, (ISSN: 1951-6355,)
22. Manoach, E., Warminski, J., Mitura, A., Samborski, S. Dynamics of a composite Timoshenko beam with delamination. Mechanics Research Communications 46 (2012), pp. 47-53.  . ISSN: 00936413
23. Manoach, E., Samborski, S., Mitura, A., Warminski, J Vibration based damage detection in composite beams under temperature variations using Poincare´ maps. Int.J. Mechanical Sciences. 62 (2012) 120–132. ; ( ISSN:0020-7403)
24. Manoach, E., Samborski, S., Mitura,  A., Warminski, J, Vibration and damage detections of composite beams with defects . Transactions of the Institute of Aviation (Poland), No 218, 44-53, (2011) ISSN 0509-6669
25. Trendafilova I, Manoach, E, (2012) Vibration-based methods for structural and machinery fault diagnosis based on nonlinear dynamics tools, book chapter in Fault Diagnosis in Robotic and Industrial Systems, iConcept press, Ltd. ,(Eddited by Germanos Rigatos), ISBN (Hardcover), 978-0980733099,
26. Manoach, E. Trendafilova, . Damage detections in nonlinear vibrating thermally loaded plates. Book chapter in “Materials with Complex  Behaviour" by Silva, L. F. Martins da; Altenbach, H. (Eds.) , pp. 193-212, 2010 Springer,  Germany. ISBN: 978-3-642-12666-6.
27. E. Manoach, Damage detections in nonlinear vibrating, thermally loaded structures, Journal of Theoretical and Applied Mechanics, 39 (4), pp. 39-52, (2009)
28. Trendafoilova I, Gorman, D.G and Manoach, E. An investigation on vibration-based damage detection in circular plates. Structural Health Monitoring Int. Journal. 8 (4), pp. 291-302 (2009)
29. 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 (1), pp. 1-9, (2009)
30. Manoach, E., Trendafilova, I., Large amplitude vibrations and damage detection of rectangular plates. Journal of Sound and Vibration, 315 (3) (2008), pp. 591-606.
31. Trendafilova, I., Manoach, E., Vibration Based Damage Detection in Plates by Using Time Series Analysis, Mechanical Systems and Signal Processing, 22 (5), pp. 1092-1106, (2008)
32. 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
33. 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
34. 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)
35. 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
36. 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). (IF: 1.857)
37. E. Manoach , P. Ribeiro, Coupled, thermoelastic, large amplitude vibrations of Timoshenko beams. Int. J. Mechanical Sciences, vol. 46, pp. 1589-1606 (2004
38. Joel L. Berry, E. Manoach, C.i Mekkaoui, P.H. Rolland, J. E. Moore, Jr., and A. 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)
39. 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).
40. E. Manoach. Dynamic large deflection analysis of elastic-plastic structures. Journal of Theoretical and Applied Mechanics , Vol. 29 , pp.45-59 (1999)
41. 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.
42. 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)
43. 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.
44. V. Sainov, E. Simova and E. Manoach. Plate Bending Investigation by Comparative Holographic Moire Interferometry. Evaluation by Finite Element Method. Optics and Lasers in Engineering Vol. 11, (1989), pp.15-25.
45. E. Manoach. Dynamic large deflection analysis of elastic-plastic Mindlin circular plates. International Journal of Non-Linear Mechanics, Vol. 29, (1994) pp. 723-735.
46. E. Manoach and D. Karagiozova. Dynamic response of thick elastic-plastic beams. International Journal of Mechanical Sciences. Vol. 35, (1993) pp. 909-919.)
47. E. Manoach. Dynamic response of elastoplastic Mindlin plate by mode superposition method.. Journal of Sound and Vibrations. Vol. 162, (1993), pp.165-175.
48. E. Manoach ,D. Karagiozova. Impulse loading of an elastic-plastic beam on an elastic foundation. Computers and Structures. Vol. 45, (1992), pp. 605-612.
49. D. Karagiozova, E. Manoach. Coupling effects in an elastic-plastic beam subjected to heat impact. Nuclear Engineering and Design, Vol. 135, (1992),pp. 267-27

Recent International Projects:

Recent Bulgarian Projects:

Membership:

Governing body of the Bulgarian Academy of Sciences

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 (Chairman),

National Scientific Council of Mechanics of Structures.

National Scientific Council of Applied Mathematics and Mechanics

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