SHAMSUDDIN PIASH

Education

• Core Coursework: Solid Mechanics, Finite Element Analysis (FEA), Mechanical Vibrations, Fluid Mechanics, Heat Transfer, Machine Design I & II, Mechanics of Machinery, Metallurgy & Materials Science, Numerical Analysis, Thermodynamics.

Research Interests

• Mechanics & Materials: Functionally Graded Materials (FGM), Advanced Composite Structures, Solid Mechanics, Fracture Mechanics, Fatigue Analysis, Interfacial Stress & Shear Transfer.
• Computational Modeling & Optimization: Finite Element Analysis (FEA), Coupled Simulation, Mesh Refinement & Convergence, Multi-Objective Optimization, Physics-Informed ML (PIML), Lightweight Design.

Undergraduate Thesis & Research

• Modeled an industrial heavy-duty connecting rod (Wärtsilä 20 engine geometry) in SolidWorks and conducted coupled steady-state thermal and high-pressure mechanical FEA in ANSYS Workbench (82,500+ nodes, 29,500+ elements).
• Formulated and executed a multi-objective optimization framework via Sum of Squared Errors (SSE) minimization across 45 material configurations incorporating structural steel (AISI 4340), aluminum alloy (Al 7075-T6), and titanium alloy (Ti-6Al-4V).
• Evaluated component mass, static factor of safety, fatigue factor of safety, and manufacturing cost to identify optimal bimaterial configurations delivering maximum strength-to-weight performance.
• Applied Rule of Mixtures (ROM) homogenization approximations and evaluated interfacial shear stress distributions across critical bimaterial transition zones under peak combustion compressive loadings.

• Designed an innovative Functionally Graded Material (FGM) transition layer (8.85 mm interface) connecting an Aluminum Alloy shank to Structural Steel bearing ends to eliminate abrupt interface stiffness jumps and delamination risk.
• Implemented and comparatively analyzed 5 spatial gradation laws $V_1(x)$: Linear, Exponential ($\beta \in [0.2, 2.0]$), Sigmoid, Logarithmic, and Trigonometric ($V(x) = \frac{1}{2}[1 + \cos(\pi x/h)]$) volume fraction formulations.
• Quantified 10 distinct structural and fatigue performance metrics in ANSYS FEA: equivalent von Mises stress, total deformation, elastic strain, strain energy, static safety factor, fatigue life, fatigue damage, fatigue safety factor, and biaxiality.
• Identified localized stiffness mismatch phenomena in stepped FGM layers and executed geometric fillet optimizations, achieving a 14.88% enhancement in structural safety factor (5.29 vs. 4.61) through validated multi-layer stress convergence.

Scholarly Activity & Publications

• Authors: Shamsuddin Piash, Md. Jahidul Hasan, Khan Yishtiaq Raatul, Dr. Md. Afsar Ali.
• Details coupled thermal-structural finite element formulation, interfacial shear analysis, and SSE multi-objective optimization algorithms for high-performance bimaterial engine structural components.

• Comprehensive state-of-the-art review synthesizing analytical gradation functions, homogenization theories (Voigt, Reuss, Mori-Tanaka), finite element formulations, and multi-objective optimization algorithms for structural FGM components.

Computational & Engineering Projects

• Engineered an interactive, cloud-deployed computational mechanics simulator modeling multi-body kinematics, string tension dynamics, and rotational inertia via numerical ODE integration.
• Implemented continuous differential equation solvers via 4th-order Runge-Kutta (RK4), facilitating real-time parametric sweeps (varying mass ratios, pulley friction, and gravitational acceleration).

• Formulated analytical derivations and numerical verification scripts analyzing mechanical energy conservation across diverse oscillatory regimes in Simple Harmonic Motion (SHM).
• Generated phase space ($p$-$q$) trajectory portraits and implemented error-bounded algorithms to evaluate kinetic-to-potential energy exchanges under linear and non-linear damping.

• Designed an analytical framework and visual experimental demonstrations detailing magnetic domain theory, ferromagnetism, paramagnetism, diamagnetism, and magnetic hysteresis ($B$-$H$ loop) energy dissipation.
• Modeled macroscopic magnetization curves and coercivity/remanence characteristics for soft and hard ferromagnetic materials.

Teaching & Science Communication Experience

• Conducted large-scale academic seminars and masterclasses for audiences of 1,000–1,200 students, delivering rigorous, intuitive breakdowns of advanced physics and competitive engineering problem-solving.
• Designed and presented conceptual demonstration lessons for the prominent Golpe Golpe Physics (Physics through Stories) video curriculum, elucidating fluid mechanics, buoyancy, electromagnetic induction, and mechanics via tabletop experiments.
• Authored specialized conceptual problem sets and curricular modules for the elite "Tukhor" batch, preparing top-performing students for competitive engineering admissions.
• Mentored and tutored over 5,000 secondary and higher-secondary students across Physics, Mathematics, Chemistry, and ICT, focusing on first-principles understanding over rote learning.
• Contributed educational technology UX and pedagogy recommendations (gamification frameworks, student XP progression, and structured learning pathways) for Udvash's online smart-learning ecosystem.

Technical Skills & Competencies

• Computational Solid Mechanics: Finite Element Analysis (FEA), Structural Optimization, Fracture & Fatigue Analysis, Linear/Nonlinear Mechanics, Multi-layer FGM Modeling, Rule of Mixtures (ROM) Homogenization, Mesh Convergence.
• Simulation & CAD Packages: ANSYS Workbench (Static Structural, Steady-State Thermal, Fatigue Analysis Module), SolidWorks (3D Parametric Solid Modeling, Assembly Analysis, Motion Simulation, Technical Drafting).
• Programming & Scientific Computing: Python (NumPy, SciPy, Matplotlib), MATLAB (Numerical Linear Algebra, ODE Solvers), LaTeX Typesetting, Git/GitHub Version Control, Linux/Bash Scripting.
• Emerging Research Focus: Physics-Informed Machine Learning (PIML), Data-Driven Mechanical Modeling, Multi-Objective Optimization (SSE Minimization, Evolutionary Algorithms).
• Science Communication & Leadership: Large-Audience Public Lecturing, Conceptual Demonstration Design, Scientific & Technical Writing, STEM Curriculum Architecture, Student Mentorship.

Honors, Leadership & Outreach

• Invited Keynote Seminar Speaker: Invited speaker and masterclass instructor for nationwide academic outreach seminars organized by Udvash-Unmesh, presenting to audiences exceeding 1,000 students per session (2022 – Present).
• Undergraduate Admission Merit: Secured top-tier national merit rank in the highly competitive BUET Undergraduate Engineering Admission Examination among over 12,000 nationwide candidates (2019).
• STEM Educational Outreach: Designed and recorded online conceptual physics demonstration lectures achieving widespread engagement across student learning communities in Bangladesh.

Languages & Academic Objectives

• Languages: English (Full Professional & Academic Working Proficiency), Bengali (Native).
• Academic Objectives: Seeking research-oriented Ph.D. / M.S. graduate admission (RA/TA) in Mechanical Engineering; focusing on Structural Mechanics, Computational Mechanics, FGM/Composites, and Data-Driven Optimization.