Davresh Hasanyan (PhD)

PERSONAL

Address: **** ***** *****, **********, ** 24060, USA

Phone: 757-***-**** (cell)

E-mail: ac4mvn@r.postjobfree.com

US Citizen

Working on projects sponsored by NASA, ARMY, DARPA, ONR, NSF, US AIR FORCE and Jefferson Lab

Demonstrated knowledge/experience of Analytical, Numerical-Computational and Experimental methods in SOLIDS MECHANICS; Vibration and stability of COMPOSITE PLATE/SHELL structural elements; modeling of MEMS, Sensors& Actuators, Devices for Energy Harvesting.

Major areas of expertise:

Finite element analyses/simulations employing commercial codes such as: Abaqus/ Hyper mesh/ Pro-E//Ansys/ LS-Dyna/Adams/Nastran/ Patran/ Comsol/ Unigraphics nx 7.5/Ansys Workbench

Static and dynamic stress analyses of structural elements-Analytical, Computational, Numerical, Experimental

Magneto-thermo-electro-elastic interactions in structural elements

Vibration and stability of structural elements

Fatigue and fracture analyses of structural elements

Development of Finite Element Code for structural analyses

Multiferroic materials: modeling, simulation and experiments

Modeling Sensors, Actuators and MEMS

Energy harvesting

Fracture mechanics, fatigue damage mechanics, crack growth

Failure analyses-Experimental, Numerical

Composite structures

Beam, particle dynamics for acceleration physics

Computation in physical problems (FEA, FD and BE in boundary value problems)

Dynamics and Control of Structural Elements

Magneto-Hydrodynamics

Partial differential equations

EDUCATION AND DEGREES

Ph.D. in Mechanical Engineering

Yerevan State University, Dept of Mechanics & Mathematics (with Moscow State University), Former Soviet Union

Dissertation: ”Vibration, Stability and Bifurcation of Cylindrical Shells in an Electro-Magnetic Fields”.

MS in Mechanical Engineering (Physics & Applied Mathematics)-Diploma with honors

Department of Mechanics and Mathematics, Yerevan State University, Armenia.

Thesis: (with Dept of Mechanics & Mathematics, Moscow State University): ”Bifurcation of Ferromagnetic Spherical Shells in a Presence of Magnetic Fields”.

GPA 5/5.0. Honored Scholarship.

POST-DOCTORAL ACTIVITY

Virginia Tech, USA(2001-2005): Research in Fracture and failure analyses; vibration and stability of structural elements in THERMO-ELECTRO-MAGNETIC fields; Modeling of MEMS; Multiferroic sensors & actuators; Energy harvesting

EMPLOYMENT

08/2017-present R&D Engineer – X-wave innovations Inc, Gaithersburg MD

Development and commercialization of products that leverage advanced materials -smart materials, thermoplastics, composites, 3-D printed metallic alloys. Using FEA methods and commercial codes, ultrasonic guided waves, experimental as well as classical stress analyses (analytical) approach do NDE and treatments of welded, cracked or defected components. Heat transfer, thermal stress analyses of welding and residual stress treatments.

10/2015-8/2017 CAE Engineer-FEA engineer. GENERAL MOTORS/ACRO, Warren, MI

Developing and analyzing models for fuel systems in ABAQUS/Hypermesh/Ansa environments; Welding and residual stress treatments; Tool development; Coordinating communications in the process of tools development and following up with customers on post-development issues; Serving as the interface between customers and the CAE Process Automation engineering teams.

01/01/2015-10/2015 Structural Analyses Engineer, FEA Engineer. Caterpillar, Mossville, IL

Analyzing different type of engine parts and fuel system elements for fatigue and fracture by utilizing FEA models in NX CAD/ HYPERMESH/ABAQUS/ ANSYS/NASTRAN environment. Planning, organizing and prioritizing work contents based on project deliverables. Performing detailed stress analysis of engine components by applying FE methods as well as classical stress analyses (analytical) approach. Setting up experiments and hardware tests to design/correlate modeling concepts. Supporting structural design efforts for new and modified components from the conceptual phase to development and certification.

1/2013-12/31/2014 Senior Research Scientist; Advance Modeling LLC, Blacksburg, VA

Modeling of Multiferroic materials as sensors and actuators using COMSOL/ANSYSA-MATLAB/MATHEMATICA.

Theoretical analysis, experimental verification of thermo-magneto-electro-elastic composites for energy harvesting.

07/2011- 12/2012 Senior Researcher, Material Science & Engineering Department, Virginia Tech; Blacksburg, VA

Being involved in research and development of new types of multiferroic materials for sensors, actuators and energy harvesting applications. Developing Theoretical/Analytical and numerical/computational approach (COMSOL/ANSYSA-MATLAB/MATHEMATICA) for multiferroic sensors/actuators.

Teaching Materials Sciences and Engineering Courses to undergraduate/graduate students.

1/2009-06/2011 Senior Research Scientist, Correlated Solutions, Inc, Columbia, SC;

Developed Finite Element numerical code in FORTRAN /C++, which is compatible with ANSYS, ABAQUS and NASTRANto to predict dynamic fracture and failure analysis of structural elements. The project was sponsored by US Air Force

1/2008-12/2008 Senior Research Scientist, Analytical Services & Materials, Inc.(AS&M);

Contractor with NASA, Hampton;

Was a member of a team to design/create space capsule for International Space Station Programs. Developed non-classical analytical methods to model Shuttle’s fuel tank as a composite, reinforced thin walled shell element. Participated in creating a full capsule NASTRAN model for stress analyses under impact loadings.

2001-2007 Research Scientist Virginia Tech, Department of Engineering Science and Mechanics

Was actively involved in various research projects sponsored by NASA, ARMY, DARP and ONR.

Teaching graduate/undergraduate course for engineering students.

AWARDS:

1993 Presidential Award of the Republic of Armenia

Winner of the competition “Young scientists-1993” for a series of papers devoted to the fracture physics of nonhomogeneous ferromagnetic materials

1993, 1997, 2000 Best Papers Awards of National Academy of Science of Armenia

LANGUAGES: English, Russian, German, Armenian, Kurdish

COMPUTER SKILLS: deep level: ABAQUS; HYPERMESH; FORTRAN; ANSYS; NASTRAN; MATLAB; MATHEMATICA; MS OFFICE

Familiar, did short projects: Ls_Dyna; nCode; ANSA; CAD;CATIA-V5; COMSOL; C++; UNIGRAPHICS NX 7.5; ANSYS WORKBENCH

PUBLICATIONS: Journal Papers-130 in referred professional journals

Some journal publications

1.V. Makaryan, D. Hasanyan,.M. Sutton, X. Deng (2013), Cracked elastic bi-layer under compressive loads, International Journal of Fracture, DOI 10.1007/s10704-013-9852-1.

2.V. Makaryan, M. Sutton, D. Hasanyan,.X. Deng (2011), Cracked elastic layer under compressive mechanical loads, International Journal of Solids and Structures, Volume 48, Issues 7-8, April 2011, Pages 1210-1218.

3.D. J. Hasanyan, R. C. Batra, Antiplane shear waves in two contacting ferromagnetic half spaces, Journal of Elasticity, 2011, volume 103, number 2, pages 189-203 .

4.Y. J. Wang, J. Q. Gao, M. H. Li, Y. Shen, D. Hasanyan, J. F. Li and D. Viehland (2014), A review on equivalent magnetic noise of magnetoelectric laminate sensors, Philosopical Transaction of The Royal Sociaty, A Mathematical physics and Engineering Science, 28 February 2014 vol. 372 no. 200*-********.

5.D. Hasanyan (2014), Electro-conductive composites subjected to magneto-elastic and thermo-mechanical loadings: nonlinear response and stability. In Hetnarski RB (Ed.) Encyclopedia of Thermal Stresses, pp 1345-1356, Springer Dordrecht, Heidelberg, New York, London.

6.D. Hasanyan, J. Gao, Y. Wang, Y. Shen, M. Li, R. Viswan, D. Viehland, J. Li (2012), Modeling and experimental verification of magnetoelectric effects in magnetostrictive-piezoelectric multilayer composites, J. Appl. Phys. 112, 013908; http://dx.doi.org/10.1063/1.4732130 (11 pages).

7.D. Hasanyan, Y. Wang, J. Gao, Y. Shen, M. Li, J. Li, D. Viehland (2012), Modeling of resonant magneto-electric effect in a magnetostrictive and piezoelectric laminate composite structure coupled by a bonding material, J. Appl. Phys 112, 064109 .

8.Zhanming Qin, Davresh Hasanyan (2011), Fully non-linear magnetoelastic interactions of a circular cylindrical thin shell subject to electromagnetic fields, International Journal of Non-Linear Mechanics, Volume 46, Issue 2, March 2011, Pages 425-435.

9.D. J. Hasanyan(2009), Mathematical Modeling and Analysis of Magneto Thermo-elastic Plate, Journal of Thermal Stresses, No. 1-2/32, 2009.

10.Davresh Hasanyan, Zhanming Qin, and Liviu Librescu(2008), Elastic Stress and Magnetic Field Concentration Near the Vertex of a Soft-Ferromagnetic 2D Compound Wedge, Journal of Applied Mechanics Vol.75, Iss.4, pp 234-245, 2008

11.D. J. Hasanyan, R. C. Batra and S. Harutyunyan(2008), Pull-In Instabilities in Functionally Graded Microthermoelectromechanical Systems, Journal of Thermal Stresses, 31: 1006–1021, 2008.

12.Davresh J. Hasanyan, Liviu Librescu and Damodar R. Ambur(2006), Buckling and postbuckling of magnetoelastic flat plates carrying an electric current, International Journal of Solids and Structures, Volume 43, Issue 16, August 2006, Pages 4971-4996.

13.Hasanyan D. J., Librescu L., Z. Qin, Ambur D. R(2005)., Magneto-thermo-elasticity of geometrically nonlinear laminated composite plates, Part I: Foundation of the theory. Journal of Sound and Vibration, Volume 287, Issues 1-2, 6 October 2005, Pages 153-175.

14.Z. Qin, Hasanyan D. J., Librescu L., Ambur D. R.(2005), Magneto-thermo-elasticity of geometrically nonlinear laminated composite plates, Part II: Vibration and wave propagation. Journal of Sound and Vibration, Volume 287, Issues 1-2, 6 October 2005, Pages 177-201.

15.Hasanyan, L. Librescu, Z. Qin and Young R.(2005), Thermoelastic Cracked Plates Carrying Nonstationary Electrical Current. Journal of Thermal Stresses, 28: 729–745, 2005

16.Hasanyan D.J., Piliposian G.T.(2005), Stress–strain state of a piecewise homogeneous ferromagnetic body with an interfacial penny-shaped crack International Journal of Fracture (2005) 133:183–196, http://dx.doi.org/10.1007/s10704-005-3062-4

17.Hasanyan D. J., Librescu L., Ambur D. R.(2004) Nonlinear Magnetoelasticity of Flat Structures Carrying an Electric Current: Foundation of The Theory And Behavior. Int. J. Engineering Sciences, 42, 1547-1572, 2004.

18.A.J. Michalek, P. Marzocca, J. Moosbrugger, D. Hasanyan(2005), "Effects of an In-Plane Axisymmetric Magnetic Field on the Vibration of a Thin Conductive Spinning Disk," Journal of Applied Physics, American Institute of Physics, 2005, Vol. 97, No. 10, 10R509, pp. 10R509/1-10R509/3.

19.Ambur D. R., Hasanyan D. J., Librescu L., Z. Qin(2005), Diffraction of harmonic flexural waves in a current-carrying cracked elastic plate. Proc. Royal Society London, UK, Proceeding A Mathematical, Physical and Engineering Sciences 461, no. 2063 (2005): 3543-3560 .

20.Hasanyan D. J., Librescu L., Ambur D. R.(2006) Buckling and Postbuckling of Magnetoelastic Plates Carrying an Electric Current, Int. J. of Solids and Structures, Volume 43, Issue 16, Pages 4971-4996, August 2006.

21.D.J.Hasanyan, Piliposyan G.T., Kamalyan A.H., Kharakanyan M.I.(2003), Some dynamical problems for functionally inhomogeneous elastic materials, including anti-plane deformations. Continuum Mechanics and Thermodynamics, 15, Issue 5, 2003, pp.519-527.

22.Z. Danoyan, D. Hasanyan & G. Piliposyan(2009), Scattering of spin and spin-elastic waves at the interface of a ferromagnetic half-space”, Waves in Random and Complex Meda, Vol. 19, No. 4, November 2009, 567–584.

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