Jiadong Deng

Jiadong Deng
jiadongdeng2012@u.northwestern.edu Cell phone: 224-420-6284
822 Noyes Street, Apt 3K, Evanston, IL 60201 Office phone: 847-491-5066

Education
09/2012~06/2016 Northwestern University, Evanston, IL, USA
PhD candidate in Mechanical Engineering GPA: 3.93/4.0
09/2009~07/2012 Dalian University of Technology, Dalian, China
Master in Computational Mechanics GPA: 88.1/100
09/2005~06/2009 Dalian University of Technology, Dalian, China
Bachelor in Engineering Mechanics GPA: 90.6/100

Key Skills
Structural analysis: solid mechanics (hyperelasticity, viscoelasticity, plasticity, damage), linear and
nonlinear FEM in time and frequency domains, heat transfer, acoustics, electrodynamics.
Structural design: size optimization, shape optimization, topology optimization, robust and reliability
based design.
Numerical analysis: numerical optimization, numerical methods.
Software: Abaqus-Python, ANSYS-APDL, OptiStruct, SolidWorks, COMSOL-MATLAB, Isight.
Strong coding skills: C++, C, Fortran, Python, MATLAB.
FEA program – OOFEM (Object Oriented FEM code) (http://www.oofem.org/en/oofem.html).

Work Experience
07/2015~10/2015 Intern at Abaqus (Dassault Systèmes SIMULIA Corp, Inc.), Providence, RI.
Software developer internship on multiscale structure and material analysis
Investigated advanced homogenization techniques (mathematical homogenization, nonlinear homogenization,
reduced order homogenization, FE-RVE homogenization).
Developed a user-friendly Abaqus/CAE plugin using Abaqus GUI toolkit, and utilize python API & C++ API to
functionalize the plugin with multiscale pre/post and elastoplastic material homogenization activities.
Devised an effective and efficient scheme for applying periodic boundary conditions for conforming and
nonconforming meshes and integrate it in the plugin.

Research Experience
09/2012~06/2016 Research Assistant, Advisor: Prof. Wei Chen, Northwestern University.
Topological design of dielectric elastomer actuators
Developed user define element (UEL) in Abaqus to implement the coupled nonlinear field theory (which couples
large deformation with electrostatic filed as a multidisciplinary problem).
Optimized the topologies of dielectric elastomer actuators to maximize the actuating performances using Fortran
(UEL), Abaqus (solver), Python (post processing), and Matlab (optimization).
Topological design of resonators for energy harvesting
Designed micro low frequency kinetic energy harvesters to replace batteries in low-power electronics by level set
based, density based, and connected morphable components based topology optimization methods.
Proposed a connected morphable components based topology optimization framework which successfully
prevents flexible structures from degenerating.
Robust concurrent topology optimization of structures with multiple heterogeneous materials
Validated theoretically the physical meaning of interpolation schemes in concurrent topology optimization, and
develop new interpolation models considering multiple heterogeneous materials.
Derived accurate sensitivity analysis equations for efficient robust topology optimization using linear
superposition principle, and for topology optimization using volume preserving filtering.

09/2009~07/2012 Research Assistant, Advisor: Prof. Gengdong Cheng, Dalian Univ. of Tech.
Multi objective design of structures and materials of coupled thermoelastic problems
Developed C++ FEM code to analyze thermo conductivity problems and coupled thermoelastic problems of
structures composed of homogenized porous materials.
Optimized the topology of the structure and the topology of its material microstructure to improve both the
stiffness and thermo expansion performances.

Structure dynamic model reduction technique based on local interpolation
Proposed a new structural dynamic model reduction algorithm using local interpolation to improve computation
efficiency of structure modal analysis.
Implemented the algorithm using C++ and apply it to machine tool structures to validate its applicability,
effectiveness, and efficiency.

09/2008~07/2009 Research Assistant, Advisor: Prof. Shutian Liu & Jun Yan, Dalian Univ. of Tech.
C++ software coding for structural FEA and topology optimization
Programmed C++ FEA code for static, dynamic, and thermoelastic problems analysis and topology optimization,
to improve stiffness, dynamic and precision performances of machine tool structures.

Awards
2013~2014 Predictive Science & Engineering Design Fellowship, Northwestern University
2012~2013 Murphy Fellowship, Northwestern University
2011~2012 Excellent Mater Thesis Award, Liaoning province, China
2010~2011 Prize in Mechanics in Memory of Lingxi Qian, Dalian University of Technology
2008~2009 Outstanding Graduate, Dalian, China
2007~2008 National Inspirational Scholarship, China
2006~2007 National Petroleum Corporation Scholarship, China
2005~2006 National Scholarship, China

Publications
Journal papers
Jiadong Deng, Wei Chen. Design for Structural Flexibility using Connected Morphable Components based
Topology Optimization. Sci China Tech Sci, 2016. (Accepted)
Jiadong Deng, Katherine Rorschach, Evan Baker, Cheng Sun, Wei Chen. Topology Optimization and Fabrication
of Low Frequency Vibration Energy Harvesting Microdevices. Smart Materials and Structures, 2015, 24(2).
Jiadong Deng, Jun Yan, Gengdong Cheng. Multi-Objective Concurrent Topology Optimization of Thermoelastic
Structures Composed of Homogeneous Porous Material. Structural and Multidisciplinary Optimization, 2013,
47(4).
Jiadong Deng, Gengdong Cheng. Structure Dynamic Model Reduction Technique Based on Local Interpolation.
Chinese Journal of Theoretical and Applied Mechanics. (In Chinese)
Jun Yan, Jiadong Deng, Gengdong Cheng. Multi Geometrical Scale Optimization for Porous Structure and
Material with Multi-Objective of Structural Compliance and Thermal Deformation. Chinese Journal of Solid
Mechanics, 2011, 32(2). (In Chinese)
Jun Yan, Ling Liu, Xiaofeng Liu, Jiadong Deng. Concurrent Hierarchical Optimization for Structures Composed
of Modules Considering Size effects. Chinese Journal of Theoretical and Applied Mechanics, 2010, 42(2). (In
Chinese)
Conference papers
Jiadong Deng, Jun Yan, Gengdong Cheng. Thermo-mechanical coupling topology optimization of structures
composed of optimal homogeneous ultra-light porous materials. 9th World Congress on Structural and
Multidisciplinary Optimization, Shizuoka, June 12-17, 2011, Japan.
Jun Yan, Jiadong Deng, Gengdong Cheng. Multi geometrical scale optimization for porous structure and
material with multi-objective of structural compliance and thermo deformation. 6th China-Japan-Korea Joint
Symposium on Optimization of Structural and Mechanical Systems, Kyoto, June 22-25, 2010, Japan.
Jun Yan, Jiadong Deng, Gengdong Cheng. Concurrent optimization of structure composed of porous ceramic
with thermal and structural objectives. 2nd International Conference on Computational Methods for Thermal
Problems. Dalian, September 5-7, 2011, China.

Software Patents
Topology optimization software for improving structural static and dynamic performances of machine tools, Jun
Yan, Shutian Liu, Yongcun Zhang, Jiadong Deng, Wenjiong Chen, Gengdong Cheng. NO. 2011SR011158,
China.
FEA software on mechanics and thermal simulation of machine tools V1.0, Yongcun Zhang, Shutian Liu, Jun Yan,
Wenjiong Chen, Jiadong Deng, Gengdong Cheng. NO. 2011SR011137, China.