Mechanical Engineer

Venkata Bheemreddy

***** ** ******* **, ***# D *****@***.***

Beaverton, OR 97006 508-***-****

Objective To obtain a full-time position in the field of Mechanical Engineering utilizing my problem solving

and leadership skills

Professional Ph.D. graduate with extensive experience in finite element analysis (FEA).

Summary Detail oriented in finite element modeling with in-depth examination of the mechanics.

Developed advanced FEA/CAE models for studying the mechanical behavior of structural

materials. This includes stress analysis, fracture mechanics, damage mechanics, thermal stress

etc.

Proficient with 3D CAD modeling and various FEA/CAE/CFD tools – ABAQUS, ANSYS, LS-

DYNA, Altair Hypermesh, Femap, Nastran, and Comsol Multiphysics.

Strong knowledge of solid mechanics, mechanics of materials, analytical methods, structural

dynamics, material non-linearity, material anisotropy, and failure mechanics.

Familiar with injection molding, FDM additive manufacturing and lab testing equipment including

Instron, impact testing, polymer characterization (DSC, TGA), and data acquisition.

Proficient with statistical Design of Experiments (DOE) procedures, ANOVA, and tools including

Minitab and SAS.

Effective in working independently and collaboratively in cross-functional teams.

Education Missouri University of Science and Technology September 2014

(formerly University of Missouri, Rolla)

Ph.D. Mechanical Engineering GPA: 4.0/4.0

Dissertation: Modeling and Simulation of Continuous Fiber-reinforced Ceramic Composites

M.S. Mechanical Engineering August 2010

GPA: 3.9/4.0

Kakatiya Institute of Technology and Science (India) May 2007

B.S. Mechanical Engineering

Industry Predictive Engineering Portland, Oregon

Experience Sr. Staff Mechanical Engineer Oct. 2014 – Jan. 2015

FEA simulations across broad industrial sectors from aerospace, medical, and general

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consumer products.

Technical support for clients utilizing Femap and NX Nastran.

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Technical webinars and inhouse workshops on composite laminate analysis using NX

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Nastran solver.

Writing high quality engineering reports.

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Infotech Enterprises Limited Hyderabad, India

Design Engineer June 2007 – July 2008

CAE structural analysis of the products from diverse fields –Aerospace, Household, and

•

Automobile.

Clients: GKN Aerospace, B/E Aerospace, Philips-USA, and Pratt & Whitney.

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Venkata Bheemreddy

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Research Missouri S&T Mechanical Engineering Department Rolla, MO

Experience Graduate Research Assistant Aug. 2008 – Sep. 2014

Modeling and Simulation of Continuous Fiber-Reinforced Ceramic Composites (AFRL)

Developed comprehensive FEA models for studying the failure behavior in advanced

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aerospace materials.

Developed a cohesive damage model (in ABAQUS) for simulating the fiber pull-out in

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continuous fiber-reinforced ceramic composites (CFCCs).

Evaluated the mechanical damage behavior of CFCCs using three-dimensional statistically

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equivalent micromechanical FEA models. A user material (UMAT) subroutine was

developed to simulate the damage based on a Weibull failure model.

Developed a multiscale FEA framework for simulating the fracture behavior in CFCCs by

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integrating with a microstructure image.

Cure and Flow Modeling of Cavity Molded Composite Flex Beams (Bell Helicopters)

Developed coupled heat transfer and flow models (multiphysics model) for process

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modeling of a critical component (composite flex-beam) in helicopter rotor system.

Developed an integrated 3D cure and flow model in COMSOL Multiphysics.

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Performed cure cycle optimization of a composite flex beam using artificial neural networks.

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Conducted isothermal and dynamic Differential Scanning Calorimetry (DSC) tests and

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viscosity measurements. Parameters required for simulation were extracted from

experimental curves.

Analysis of Skin/Core Adhesion of Honeycomb Sandwich Structures (Boeing)

Analyzed the adhesion between the core and facesheet of honeycomb sandwich structure.

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Evaluated the effects of adhesive reticulation, cell size, and density on bond strength.

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Conducted mechanical testing using ASTM standards.

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Simulation of Bird Strike on Transparent Composite (NAVAIR)

Developed a 3D FEA model of bird for simulating bird strike on transparent composite

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windshield using LS-DYNA.

Developed an optimal laminate design of a transparent composite panel.

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Evaluated various bird models using Design of Experiments (DOE).

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Teaching Missouri University of Science and Technology Rolla, MO

Experience Graduate Teaching Assistant August 2009 – August 2011

Teaching assistant for 3 courses – Finite Element Analysis I & II, and Introduction to

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Composite Materials and Structures.

Prepared training manuals and assisted students in commercial finite element codes -

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ANSYS, ABAQUS, and FLUENT.

Prepared lecture notes for the Composite Materials and Structures course

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Graded homework assignments and projects.

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Skills Computer Skills: ABAQUS, ANSYS, LS-DYNA, Altair Hypermesh, Femap, Nastran, Comsol

Multiphysics, CATIA, Solidworks, Pro/Engineer, AutoCad.

Programming Languages: MATLAB, C, FORTRAN, PYTHON, MathCAD.

Venkata Bheemreddy

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Experimental Polymer Characterization: DSC, TGA.

Testing Mechanical Testing: Instron Mechanical Testing Equipment, Impact Testing.

Composite Manufacturing: OOA Prepreg, VARTM, Autoclave, Compression Molding.

Publications

Journals V. Bheemreddy, Z. Huo, K. Chandrashekhara, and R. Brack, “Process Modeling of Cavity

Molded Composite Flex Beams,” Finite Elements in Analysis and Design, Vol. 78, pp. 8-15,

2014.

S. Anandan, S. Nagarajan, V. Bheemreddy, K. Chandrashekhara, D. Pfitzinger, and N. Phan,

“Performance Evaluation of Out-of-Autoclave Sandwich Structures with K-COR and Nomex

Core,” Journal of Multifunctional Composites, Vol. 2, pp. 45-53, 2014.

V. Bheemreddy, K. Chandrashekhara, L. Dharani, and G. Hilmas, “Modeling of Fiber Pull-Out in

Continuous Fiber Reinforced Ceramic Composites using Finite Element Method and Artificial

Neural Networks,” Computational Materials Science, Vol. 79, pp. 663-673, 2013.

V. Bheemreddy and K. Chandrashekhara, “Study of Bird Strikes Using Smooth

Particle Hydrodynamics and Stochastic Parametric Evaluation,” Journal of Aircraft, Vol. 49, pp.

1513-1521, 2012.

R. R. Butukuri, V. Bheemreddy, K. Chandrashekhara, and V. A. Samaranayake, “Evaluation of

Low-velocity Impact Response of Honeycomb Sandwich Structures using Factorial-based

Design of Experiments,” Journal of Sandwich Structures and Materials, Vol. 14, pp. 339-361,

2012.

R. R. Butukuri, V. Bheemreddy, K. Chandrashekhara, T.R. Berkel, and K. Rupel, “Evaluation of

Skin-Core Adhesion of Out-of-Autoclave Honeycomb Sandwich Structures,” Journal of

Reinforced Plastics and Composites, Vol. 31, pp. 331-339, 2012.

Z. Huo, V. Bheemreddy, K. Chandrashekhara, and R. A. Brack, “Modeling of Concentration-

dependent Moisture Diffusion in Hybrid Fiber-reinforced Polymer Composites,” Journal of

Composite Materials (DOI: 10.1177/0021998313519150).

M. Mohaned, R. Vuppalapati, V. Bheemreddy, and K. Chandrashekhara, “Characterization of

Polyurethane Composites Manufactured using Vacuum Assisted Resin Transfer Molding,”

Advanced Composite Materials (accepted).

Conferences V. Bheemreddy, Z. Huo, K. Chandrashekhara, and R. A. Brack, “Simulation and Validation of

Cure Kinetics for Cavity Molded Composites,” International SAMPE Technical Conference, pp.

1-13, June 2-5, Seattle, WA, 2014.

H. Li, G. Taylor, V. Bheemreddy, O. Iyibilgin, M. Leu, and K. Chandrashekhara, “Modeling and

Characterization of Fused Deposition Modeling Tooling for Vacuum Assisted Resin Transfer

Molding Process,” International SAMPE Technical Conference, pp. 1-11, June 2-5, Seattle, WA,

2014.

V. Bheemreddy, Z. Huo, K. Chandrashekhara, and R. A. Brack, “Process Optimization of

Composite Flex Beams using Neural Networks,” International SAMPE Technical Conference,

pp. 1-15, May 6-9, Long Beach, CA, 2013.

Z. Huo, V. Bheemreddy, K. Chandrashekhara, and R. A. Brack, “Modeling and Simulation of

Moisture Diffusion in Hybrid Fiber-reinforced Polymer Compositess,” International SAMPE

Technical Conference, pp. 1-12, May 6-9, Long Beach, CA, 2013.

V. Bheemreddy, K. Chandrashekhara, L. Dharani, G. Hilmas, and W. Fahrenholtz, “Three-

dimensional Micromechanical Modeling of Continuous Fiber Reinforced Ceramic Composites

with Interfaces,” Proceedings of ASME, pp. 1-10, November 9-15, Houston, TX, 2012.

Venkata Bheemreddy

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V. Bheemreddy, Z. Huo, K. Chandrashekhara, and R. A. Brack, “Cure and Consolidation Study

of Cavity Molded Flex Beam Composite Parts,” International SAMPE Technical Conference, pp.

1-12, May 21-24, Baltimore, MD, 2012.

R. R. Butukuri, V. Bheemreddy, K. Chandrashekhara, T.R. Berkel, and K. Rupel, “Evaluation of

Skin-Core Adhesion of Out-of-Autoclave Honeycomb Sandwich Structures,” Proceedings of

SAMPE Conference, pp. 1-12, May 23-26, Long Beach, CA, 2011.

Affiliations Member, Society for the Advancement of Material and Process Engineering (SAMPE)

& Honors Member, American Society of Mechanical Engineers (ASME)

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