Projects

  1. Mechanical Properties analysis of Acrylonitrile Butadiene Styrene (ABS) M30 filament

a. Modelled samples in Solidworks, following ASTM D638-14, with Square, Hexagonal, and Triangular cellular lattice structures.
b. 3D printed the samples using the Fused Deposition Modelling technique with a layer thickness of 0.01in and a raster angle of 45 degrees.
c. Performed the Tensile test using the Instron Universal testing machine with a pulling speed of 5mm/min and a maximum load of 50KN.
d. Hexagonal lattice resulted in maximum Tensile strength (2.48MPa), and square lattice resulted in maximum Young’s Modulus(0.8GPa).

2. One Leg Ergo-meter

a. Project targeted patients suffering from HFpEF disease, are obese and require assistance to move around.
b. Upgraded the existing ergo-meter mechanism to aid patients exercising Quadriceps without a substantial increase in their heart rate.
c. Engineered a mechanism with rack-pinion, stepper motors, and force sensors to reduce the patient's pedal effort and assist in return stroke.

3. Bio-mimicry of Prokaryotic Flagella

a. Developed a Nanoelectromechanical system (NEMS) biomedical device prototype, inspired by flagellar locomotion.
b. Designed device tail by integrating Archimedes Screw, clutch, and gear mechanism, and a Universal Joint in Solidworks.
c. Formulated MATLAB code to generate parametric curve profiles, for device body, tail, and gear to import in Solidworks for modeling.
d. Used Fused Deposition Modeling technique with a layer thickness of 0.01inch, to print the model in two sub-assemblies, i.e., body and tail
e. Performed Finite Element Analysis in ANSYS to obtain results of max. Wall shear stress and max. Movement speed inside the human body.

4. Mechanical properties analysis of Aluminum 6061

a. Prepared two Aluminum 6061 samples, following the ASTM D638 standard, S-1 Blue color brush painted, and S-2 with a polished surface finish.
b. Used extensometer to measure elastic strain during the tensile test performed on S-2 using an Instron Universal testing machine.
c. Performed the tensile test on Sample-1 and collected data using Digital Image Correlation (DIC) technique.
d. Identified Normal strain by setting up a Bending experiment including a micrometer, rectangular aluminum beam, and a Strain Gauge
e. Calculated Principle strain using a similar experimental setup but with T-Strain Gauge.

5. Thermal Analysis of Engine Head Gasket

a. Modeled in Solidworks, a Mitsubishi 4-cylinder Engine Head Gasket with Multi-layered Steel, Graphite, and Copper material properties.
b. Performed FEA using ANSYS, on the model using an F-1 engine head gasket's working conditions as boundary conditions.
c. Multi-Layered Steel was the best material choice with respect to Temperature Reduction, Net Heat flux, and Structural deformation.

6. Flexural Test and 2D Single Point Forming Simulation

a. Used Solidworks to design I-Beams with Inconel 718, ABS Polymer, and Additive Manufactured Aluminum 357 material properties.
b. Applied Johnson-Cook Material and Ductile Damage Model properties in Abaqus to simulate the Flexural test (3-point bending).
c. Computed and compared Flexural Modulus of materials at different temperatures with a maximum load of 40,000N.
d. Modeled a thin 2D plate structure with Aluminium 7071 material properties in Abaqus and performed Forming simulation.

7. Finite Element Analysis of a Queenpost Truss

a. Formulated FEA code in MATLAB for Q4 and Q8 elements using the Gaussian quadrature.
b. Compared Finite Element Analysis results from Matlab and ANSYS to compare the results of Stress, Strain, and Displacement on the truss.