Research
Ph.D.:
(1) “Plastic Behavior of Polycrystalline Thin Films: Discrete Dislocation Dynamics”
- Dislocation climb is incorporated in discrete dislocation dynamics model
- Constitutive equations developed based on simulation results
- Showed how size effect naturally enters evolution equation
- Developed simulation code
(2) “Measuring the Mechanical Properties of Ultra-Thin Films and Patterned Structures”
- Contributed in writing proposal
- Developed simple techniques to manufacture and measure mechanical properties of ultra thin films (~20 nm)
- Use of residual stress to drive deformation and XeF2 to etch structure more accurately
- Use of Digital Image Correlation to increase precision of strain measurement
(3) “Finding Elastic Constants of Anisotropic Materials by Means of Nano-Indentation”
(4) “Laparoscopic Device for Direct and Indirect Suction”
- Collaboration with Beth Israel Hospital
- Combined direct and indirect suction, and irrigation in one device
- Resulted in paper and patent
M.Sc.:
(1) “Interaction of a Screw and a Nanowire in Strain Gradient Elasticity”
- Collaboration with Dr. Mikhail Gutkin of Institute of Problems of Mechanical Engineering, Russian Academy of Sciences
- Solved complicated set of partial differential equations analytically
- Strain Gradient can capture size dependence. More accurate than classical theories for materials at small scales and near defects
(2) “Screw Dislocation in a Functionally Graded Material Using Theory of Gradient Elasticity”
- Collaboration with Prof. Elias Aifantis of Michigan Tech.
- Solved partial differential equation with variable coefficients
- Strain Gradient can capture size dependence. More accurate than classical theories for materials at small scales and near defects
B.Sc.:
Matrix Structural Analysis Using Matlab
- Developed Matlab code from scratch to analyze 2D and 3D structures