Design Engineer

*** ****** ***, ***#*-*-E. Cookeville. TN*****.

Phone: 931-***-**** (home), 931-***-**** (office), 931-***-**** (cell). Email: **************@*****.***

Objective:

Applying for mechanical engineering design, analysis or research position.

Expertise/Skills:

Strong background in machine theory, design and analysis

* Synthesis, simulation, analysis and optimization of linkage, cam and gearing systems

* Proficient in planar/spatial linkage kinematics and synthesis

* Proficient in spur, helical, bevel gearing

* Familiar with industrial gear manufacturing and design standards (AGMA)

* Familiar with Six Sigma for design/manufacturing management

Computer aided design (CAD)

* 6 years extensive knowledge, understanding, realization and experience on NURBS and other surface/solid modeling techniques

* Used and proficient in CAD modeling software PROE and AUTOCAD (2008~)

* Knowledge of GD&T (geometric dimensioning and tolerance)

Strong knowledge and experience in finite element method (FEM), since 2005

* Complete theory, solid/continuum application and Fortran/C/C++ implementation; analyzed linear/nonlinear mechanical systems

* Used and proficient in FEA (CAE) software ABAQUS and ANSYS (2009~)

* Extensive engineering programming using C/C++, FORTRAN, Matlab, PYTHON

* 8 years (2005~) extensive experience in C/C++ for implementation of numerical algorithms (modeling, mesh, FEM, FD, optimization) for engineering

Used and familiar with many C++ open source projects under Windows and Linux systems for graphics, computation, CAD modeling and CAE analysis

* FORTRAN/Matlab (2004~): massive vector-matrix based computation, complete finite element method implementation, numerical experiments, mechanism simulation

* Exceptional strength at modeling and analysis

* Applied functional analysis, statistics (e.g. response surface method) optimization (local, global, genetic) in mechanism synthesis and design

Strong communication and team work skills: people oriented

* Excellent team player (2 ~ 6 members) in multiple projects (2004~)

* President of Chinese association of TTU, 2009

* Active member of honor societies “Tau Beta Pi” and “Phi Kappa Phi”

Work Experience:

8/2008 ~ Present Research Assistant, Tennessee Tech. University

1. General Research

* Regression, response surface method, multi-objective optimization for structural and mechanical design

* Used PROE, SOLIDWORKS and AUTOCAD for general CAD modeling; developed prototypes for dynamics of machinery and machine design; conducted motion simulation of linkages and gear trains in research

* Used CMM (coordinate measuring machine) for reverse engineering and rapid-prototype machine for model prototypes, vibration test and material test machines

* Used ABAQUS and ANSYS for mechanics, machine design and vibration; research in dynamic gear train simulation and performance analysis

2. Mechanism

* Worked with others on linkage, cam and gear synthesis: planar/spatial mechanism workspace study, dynamic analysis, synthesis methodology, spur/bevel gearing, harmonic gearing.

* Developed a fully functional C++ program with user-friendly GUI (using “WXWINDOWS”) that synthesize four-bar linkages and coupler curves with OpenGL visualization

* Specially synthesized and analyzed a “Dynamic Compactor” for soil densification using a sixbar linkage to transmit motion and balance the moment of the crane; used FEM to analyze the base structure.

* Gearbox and transmission design and analysis methodology

3. Dissertation Oriented Research Gearing

* Independently proposed and established the first freeform gear (including planar, spherical and spatial gears) modeling and design methodology, which integrates gearing, geometric modeling and CAE/FEA, that empowers designers seeking optimal design for performance enhancement (contact stress, sliding, transmission error, etc.)

* Co-authored research proposal “Goali: Manifold Conjugation Modeling, Synthesis, and Optimization” submitted to the National Science Foundation

* Conducted years of analysis and experiments of the proposed methods

* Designed a gear train containing planetary gears and bevel gears according to standards; kinematic design, load analysis and manufacturing

* Developed a fully functional C++ program to implement algorithms and numerical evaluation: user friendly GUI (graphic user interface), gear modeling, gear CAD generation, visualization, mesh generation, CAE/FEA, and optimization.

* Another gear optimization software was developed in windows with GUI (MFC) and CAD modeling and generation

* Acquired thorough knowledge and experience of mechanical system design with CAD, CAE/FEM and optimization

4/2011 Translator/Interpreter, G & L Mfg Inc. Cookeville, TN.

* Visited the plant and learned the production line forging, heat treatment, cutting

* Worked with several technicians to train a Chinese engineer about the use and maintenance of a tube cutting machine and a measurement instrument

* Helped communicate and set up business in their new subdivision in China

3/2007 ~ 8/2008 DaLian Shipbuilding Industry Company in China

* Main contributor of a 5-member project team: algorithm research, implementation and some testing

* Established a mechanics-graphics based method to predict ship steel skeleton/frame deformation for manufacturing and building ship hull

* Applied CAD modeling techniques: NURBS and circular arc splines

* Developed a program (C++ & matlab) to implement the method for manufacturing (a numerical control cold-bending machine); tested and proved the manufacturing precision with success; the method was patented

* Acquired design knowledge and experience in CAD and CAM

6/2007~ 7/2007 Project Team Leader, Dalian ChaiTian Inc. a Japanese manufacturing corporation

* Developed software for part precision detection: the main contributor in developing C++ software under MFC framework to read part images and measure the size of the critical part

* Coordinator with other teams, the Japanese chief engineer, and the manager

Education:

Ph.D.: Mechanical Engineering, Tennessee Technological University, U.S., 08/2008~12/2012

* Research on mechanical design/optimization

* 4.0/4.0 GPA (17 courses)

M.S.: Computational Mathematics, Department of Applied Mathematics, Dalian University of Technology, China, 08/ 2006~06/2008

* Research on image processing, graphics and computer aided design

B.S.: Computational Science, School of Mathematical Sciences, Xiamen University, China, 08/ 2002~06/2006

* 1st place among over 50 fellow graduates in the department

Membership, Awards and Other Activities:

* Member of ASME, since 2011

* Member of the honor society of “Phi Kappa Phi”, 2012

* Member of the engineering honor society “Tau Beta Pi” (TN GAMMA), 2011

* Tennessee Tech. Univ. 7th Annual Student Research Day (poster presenter), 2012

* Tau Beta Pi Engineering Future (certified communication training), 03/17/2012

* 5th place, (3-person team), DaLian Robot Cup (soccer game simulation competition using C++ ) hosted by DaLian City, China, 2006

* Bank of China scholarship, Xiamen University, 2005 and 2006

* Xiamen University Innovation Award (scholarship), 2006

* 3rd place, (3-person team), Programming Tournament of Xiamen University, 2006

* Third-class award in “Mathematical Contest in Modeling” (International), teamed with two EE students, 2006

* Major award in FuJian, China in “National Mathematical Contest in Modeling”, teamed with two EE students, 2005

* Xiamen university first-class scholarship, 2005, 2006

* Xiamen university second-class scholarship twice, 2003, 2004

Publications:

1. Bowen Yu, Kwun-lon Ting, “Conjugate Curve Design with Spline Contact Path”, Computer-Aided Design and Applications, 2012. Vol 9.1.

2. Bowen Yu, Kwun-lon Ting, “Free-Form Conjugation and Gear Tooth Profile Design”, ASME Journal of Mechanisms and Robotics, 2011 (in production).

3. Huimin Dong, Kwun-Lon Ting, Bowen Yu, Jian Liu, Delun Wang, “Differential Contact Path and Conjugate Properties of Planar Gearing Transmission”, ASME Journal of Mechanical Design, 2011 (in press)

4. Baojun Li, Bo Li, Xiuping Liu, Zhixun Su, Bowen Yu, “Exact evaluation of limits and tangents for interpolatory subdivision surfaces at rational points”, Journal of Computational Applied Mathematics 236(5): 906-915 (2011)

5. Bowen Yu, Kwun-lon Ting, “Conjugate Curve Design with Spline Contact Path”, CAD’2011 (conference).

6. Bowen Yu, Kwun-lon Ting, “Free-form Conjugation Theory”, ASME 2011 IDETC/CIE Conference DETC2011/MECH-48337.

7. Bowen Yu, Kwun-lon Ting, “Free-form Optimal Conjugation Design”, ASME 2012 IDETC/CIE Conference DETC2012-71525.

8. Bowen Yu, Kwun-lon Ting, “Manifold Conjugation and Discrete Gear Design”, to be submitted to ASME conference PTG and journal.

9. Bowen Yu, Kwun-lon Ting, “Compensated Conjugation and Gear Tooth Modification”, to be submitted to ASME conference PTG and journal.

10. Li Baojun, Yu Zhiling, Yu Bowen, Su Zhixun, Liu Xiuping. “Non-stationary Subdivision for Exponential Polynomials Reproduction” submitted to Acta Mathematicae Applicatae Sinica.

11. Li Baojun, Liu Xiuping, Su Zhixun, Yu Bowen. “Exact Evaluation of Limits and Tangents for Interpolatory Subdivision Surfaces at Rational Points”, submitted to Computer Aided Geometric Design.

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