| | | 20,000+ Fresh Resumes Monthly | |
|
|
| |
Click here or scroll down to respond to this candidate Candidate's Name
Street Address
PHONE NUMBER AVAILABLE EMAIL AVAILABLE
INTRODUCTION
I am currently research engineer at Convergent Science Inc. My objective is to obtain a full-time
position utilizing my experience and skills in programming, numerical (computational), mathematical
modeling and simulations, system level designs, problem-solving and communication.
EDUCATION
Johns Hopkins University, Baltimore, MD, USA February 2015
Ph.D. in Mechanical Engineering
GPA: 3.7/4.0
Tsinghua University, Beijing, P.R.China June 2010
M.S. in Mechanical Engineering
GPA: 3.5/4.0
China Agricultural University, Beijing, P.R.China June 2007
B.S. in Mechanical Engineering
GPA: 3.5/4.0; GPA Rank: 3rd out of 49
WORKING EXPERIENCE
Convergent Science Inc. March 2015 - Present
Research Engineer (Software Developer)
Development of Diesel Exhaust Fluid Aftertreatment Application
Developed equilibrium and non-equilibrium conjugate uid-porous heat transfer module with sur-
face chemistry.
Implemented 3D-0D & 3D-1D coupling of CFD software Converge and engine simulation software
GT-Suite.
Improved PISO Algorithms for Modeling Discontinuous Momentum Source in Conjugate Fluid-porous
Domain
Proposed and implemented a resistance redistribution algorithm to remove checkerboarding issue
caused by discontinuous source of momentum equation while using PISO algorithms.
Improved PISO algorithm adaptive for variety of RANS turbulence models.
Development of polygon body-tting boundary layer mesh generation compatible with adaptive mesh
renement (AMR)
Developed ow-through boundary condition that can use curved mesh nodes internally as body-
tting boundary layer mesh.
Post-sale Technical Support
Modeling of ultrane particle dispersion in indoor environments with an improved drift ux model.
Build up 2D Axisymmetric models for all solvers of Converge.
Worked on 60+ other development, debugging and performance analysis tickets in C and MPI
RESEARCH EXPERIENCE
Johns Hopkins University September 2010 - February 2015
Research Assistant Advisor: Dr. Rajat Mittal
Force Production Analysis in the Field of Aerodynamics and Hydrodynamics
Proposed a novel theory of force production on the deforming body immersed in incompressible ow
and developed the corresponding numerical model based on a versatile sharp interface immersed
boundary method (IBM).
CFD Simulation of Patient Specic Coronary Flow based on 3D CT image
Utilized c++ open source library (VMTK) to extract the 3D geometry of patient specic coronary
arteries.
Expanded c++ open source CFD library based Lattice Boltzmann Method (LBM)-Palabos with
capability of lumped parameter network (LPN) module to evaluate fractional ow reserve (FFR)
for specic patient.
Flow-Structure Interaction (FSI) based on IBM CFD Solver
Developed a 6 Degree of Freedoms FSI module inside the IBM-based CFD solver.
Numerical Simulation of Aerodynamics in Insect Flight
The complex ow regime of insect ight is numerically simulated and mathematically analyzed.
Tsinghua University, Beijing September 2007 - July 2010
Research Assistant Advisor: Dr. Song Li
CFD and Thermal Numerical Simulation of Cooling Tower
Programmed 2D Incompressible CFD code with heat transfer model and standard k- turbulence
model in purpose of quick optimization of ll layer arrangement.
Built 3-dimensional computational platform of cooling tower exposed in gusty environments on
FLUENT with C++ compiled user dened heat transfer model.
Numerical FSI Analysis of Pulse Jet on Flexible Boundary
Mesh Generation with ICEM.
A numerical solution was developed by coupling FEA package ANSYS and CFD software CFX.
3D Numerical Simulation of Centrifugal Fan
3D numerical modelling and meshing of centrifugal fan using AutoCAD and GAMBIT.
3D CFD simulation of centrifugal fan was carried out on FLUENT and discrete aerodynamic noise
caused by dipole source has been investigated.
ADDITIONAL EXPERIENCE
Johns Hopkins University February - May 2013
Teaching Assistant
Instructed Numerical Methods course; Held weekly oce hours and graded problem sets and tests
East China Electric Power Design Institute June - September 2009
Intern, Technical Support
Optimization of ll system of Chinas biggest natural draft cooling tower in terms of heat transfer
TECHNICAL STRENGTHS
Operating Systems Windows, Linux
Computer Languages C/C++, FORTRAN, PYTHON
Parallel Programming OpenMP, MPI, CUDA, HADOOP
Numerical Methods Finite Dierence Method (FDM) with IBM,
Finite Volume Method (FVM), Spectral Method,
Lattice Boltzmann Method (LBM)
Software FLUENT, CFX, ANSYS, MATLAB, ICEM, GAMBIT, ANSA,
AutoCAD
Languages English (Full professional prociency), Chinese
RELEVANT COURSES
Mechanics Fluid Dynamics, Turbulence, Material of Mechanics
Thermal Numerical Heat Transfer, Convection
Acoustics Aeroacoustic and Aerodynamic Noise
Computing Numerical Methods, CFD, Parallel Programming,
Finite Element Methods
Mathematics Advanced Math Methods for Engineers, Partial Dierential Equations
PUBLICATIONS
C. Zhang, T. Hedrick and R. Mittal, 2017, Aeromechanics of Hovering Flight: Insights from
Computational Models and Animal Experiments., submitted to AIAA Journal.
C. Zhang, T. Hedrick and R. Mittal, 2015, Centripetal Acceleration Reaction: An Eective and
Robust Mechanism for Flapping Flight in Insects, PLOS ONE 10:8, e0132093.
PRESENTATION
C. Zhang, T. L. Hedrick, and Mittal, Clear Delineation of Added-Mass and Vortex- Induced Forces
Generated by Flapping Wing, 66th Annual Meeting of the APS Division of Fluid Dynamics, Nov
24 - 26, 2013, Pittsburgh, PA.
C. Zhang, L. Zheng, T. L. Hedrick, and Mittal, Flight Stabilization with Flapping Wings in Gusty
Environments, 65th Annual Meeting of the APS Division of Fluid Dynamics, Nov 18 - 20, 2012,
San Diego, CA.
C. Zhang, L. Zheng, T. L. Hedrick, and R. Mittal, Understanding Flight Stabilization in Insects to
Large Perturbations Using an Integrated Experimental-Numerical Approach, 64th Annual Meeting
of the APS Division of Fluid Dynamics, Nov 20 - 22, 2011, Baltimore, MD.
AWARDS
The 3rd place winner of graduate student presentation competition in AIAA Region I Young
Professional, Student, and Education Conference 2012
Excellent Student of CAU in Morality, Intellect and Physical Performance, Beijing Oct, 2003-2007
National Scholarship in China for excellent performances in both academic study and social work.,
Beijing Oct, 2004
|
