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Research Engineer

Location:
Madison, WI, 53705
Posted:
April 18, 2017

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Original resume on Jobvertise

Resume:

CHAO ZHANG

**** ********* ***. *******, ** *****

443-***-**** aczuus@r.postjobfree.com

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



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