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Introduction
I'm a software engineer based in San Francisco, CA specializing in building software applications for real world high impact problems. I have worked on developing software for smart structures & networks, mathematical modeling of multiphysics phenomenons, and FEA tools to solve complex and interesting engineering problems involving multi-functional composites and functionally graded materials.
Skills and Expertise
Additional affiliations
January 2021 - December 2021
May 2017 - August 2017
May 2016 - August 2016
Education
August 2019 - May 2021
Publications
Publications (7)
The objective of this work is to obtain closed-form analytical solutions to predict the nonlinear mechanical behavior of bidirectional functionally graded cylindrical beams accurately and faster than the commercially available finite element analysis tools. With the use of variational asymptotic method, the nonlinear three-dimensional elasticity pr...
The work presented in this paper provides a reliable method to model and analyze smart beams with arbitrary sectional geometries and material properties, including initially curved and twisted beams. It incorporates the modified constitutive equations into the intrinsic equations to formulate a generalized set of solutions applicable for both the a...
This paper uses Variational Asymptotic Method (VAM) to obtain asymptotically exact analytical solutions for cylinders made up of Functionally Graded Materials (FGM). VAM splits a three-dimensional elasticity problem into a two-dimensional linear cross-sectional problem and a one-dimensional beam problem. It ensures the asymptotic correctness since...
This paper describes a nano-satellite system comprising a planetary re-entry vehicle, termed as CanSat. It is the first nano-satellite system developed by PEC University of Technology (Formerly Punjab Engineering College), India. The mission objectives of re-entry vehicle include monitoring temperature, pressure, altitude, gas concentration and gro...
Composite structures play a vital role in the automobile industry. Use of composites like CFRPs in automobiles poses various problems to engineers. CFRP components are not simple to model in comparison to traditional engineering materials like aluminium, steel etc. One of the main reason is that the composite materials generally do not behave in an...
Finite Element Analysis (FEA) takes into account the material and geometrical properties to solve a given problem. The theory of idealization for fuselage section, on the other hand, does not incorporate the effect of material properties and sectional length. Thus, FEA is more time consuming and also gives more accurate results. The theory of ideal...
Composite failure analysis by studying the stress propagation around a broken fiber is accomplished using a new automated modeling approach. This method consists of an input file made by the user containing all the required parameters for execution in a finite element solver ABAQUS. The modeling, mesh generation and analysis take place automaticall...
Questions
Questions (2)
I am using a piezo actuator to generate lamb waves. Since, ABAQUS/Explicit can't handle piezoelectric materials or electric potential as boundary conditions, I am using computationally expensive ABAQUS/Implicit.
The simulations works fine for simple configurations - Few piezo sensors (modeled using solid elements) attached to a composite plate (modeled using shell elements). I used Tie Constraints (Surface-Surface discretization).
However, if I try to do the same for a more complicated configuration (A curved sandwiched structure), the piezo actuator undergoes large deformations but it generates no Lamb waves...
Please let me know your suggestions.
I want to apply a sinusoidal point force at the tip of a cantilevered beam (in y direction) governed by equation-
F = A sin (wt) where, A = 105 N and w = 20 rad/sec. (as seen in the figure)
1) Should I use static step or dynamic implicit step?
2) While specifying the concentrated force what should be the value of CF2? (CF1=CF3=0)
3) While creating the periodic Amplitude, what should be the time space (Step time or Total time), what should be the values of A and B? (circular freq is 20, starting time and initial amplitude are 0)
