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Pritam Chakraborty
PhD (The Ohio State University, Columbus)
Associate Professor, Department of Aerospace Engineering
Research Interest
- Solid mechanics
- Micromechanics & Homogenization
- Multi-scale Modeling
- Plasticity & Crystal Plasticity
- Damage Modeling/ Phase-field Fracture
- Fatigue, Fracture & Creep
- High Performance Computing & Numerical Methods
- Finite Element Method
- Digital Image Correlation
- Application of AI/ML for Multi-scale Modeling & Accelerated Simulation
210/F NWTF
Department of Aerospace Engineering
IIT Kanpur,
Kanpur - 208016
Research Area
Mechanical Behavior of Materials
Solid Mechanics and Design
Structural Engineering
Mathematics : Numerical Analysis & Scientific Computing
Specialization
Solid Mechanics; Plasticity; Crystal Plasticity; Fracture; Fatigue; Creep; Computational Solid Mechanics; Finite Element Method; Multi-scale Method.
Education
Ph.D. in Mechanical Engineering from The Ohio State University, Columbus, Ohio, US (2011). PhD thesis title: Wavelet transformation based multi-time scale method for fatigue crack initiation in polycrystalline alloys PhD thesis supervisor: Prof. Somnath Ghosh
M.Tech. in Mechanical Engineering from Indian Institute of Technology Kanpur, India (2004).
B. E. in Mechanical Engineering from Jadavpur University, Kolkata, India (2002).
Teaching Area
Mechanics
Courses taught: - Mechanics of Solids (UG 2nd Year compulsory) - Solid Mechanics (PG elective) - Continuum Mechanics (PG elective)
Mechanics of Thin Structures
Courses Taught: - Aircraft Structural Analysis 1 and 2 (PG compulsory)
Dynamics
Courses taught: - Dynamics and Vibration (PG elective)
Mechanics of Materials
Courses taught: - Composite Materials (PG elective) - Mechanical Properties of Materials (PG compulsory)
Thermodynamics and Phase Transformation
Courses taught: - Materials Processing (PG compulsory)
Numerical Method
Courses taught: - Introduction to Finite Element Methods (PG elective) - Introduction to Non-linear Finite Element Method (TEQIP course)
Selected Publications
Vipin Chandra and Pritam Chakraborty, “Automated crack extension measurement method for fracture and fatigue analysis using digital image correlation”, Engineering Fracture Mechanics, 305, 110182, 2024.
S. Siddharth, Shalvi Singh, Syed Mustafa Kazim, Pritam Chakraborty, “Coupled crystal plasticity and damage model for micro crack propagation in polycrystalline microstructures”, 247, 183-201, 2024.
Jothi Mani Thondiraj, Akhshaya Paranikumar, Devesh Tiwari, Daniel Paquet, Pritam Chakraborty, "Diffused interface Crystal Plasticity Finite Element Method: Biased mesh generation and accuracy", Finite Elements in Analysis and Design, 228, 104051, 2024.
Nazim Khan, Pritam Chakraborty, "Direct-Homogenization-Based Plate Models of Integrated Thermal Protection System for Reusable Launch Vehicle", AIAA Journal, 2023. https://doi.org/10.2514/1.J063120.
Syed Mustafa Kazim, Kartik Prasad, Pritam Chakraborty, "A crystal plasticity model of Dynamic Strain Aging for a near-α Ti-alloy, Mechanics of Materials, 187, 2023.
Conference Presentations
"Understanding the role of dynamic strain aging on thermo-mechanical fatigue of Timetal 834 using a crystal
plasticity model". A Discussion Meeting on Modeling of Structural Materials. 28th November to 1st December 2024 (Coorg).
"Understanding the Role of Dynamic Strain Aging on Thermo-Mechanical Fatigue Using a Crystal Plasticity Model". SolMech2024, Wroclaw, Poland, September, 2024.
“A Crystal Plasticity Model of Thermo-Mechanical Fatigue for Ti-alloys. International Conference on Plasticity, Damage and Fracture, Dominican Republic, January, 2023.
“A Two-Scale Model for Hot Isostatic Pressing”. IIM-ATM, Hyderabad, November, 2022.
Research Group
Multiscale Mechanics and Simulation Laboratory
Current Topics of Research:
- Diffused interface crystal plasticity model incorporating grain boundary slip transmission
- Effect of residual stress field on fatigue crack growth: Experiments and simulations
- A multi-scale model for laser ablation
- A multi-scale model for Hot Isostatic Pressing
- 3-scale concurrent multi-scale method for micro-crack growth
- Application of machine learning to accelerate crystal plasticity simulations
- Direct homogenization of sandwich structures for application as integrated thermal protection system
Professional Experience
Fuel Modeling and Simulation Department, Idaho National Laboratory, Idaho Falls, Idaho, US. (Post-Doc: Sept 2012-March 2014; Staff: April 2014-September 2016)
Post-Doctoral Researcher in Dept. of Civil Engineering at Johns Hopkins University, Baltimore, Maryland, US. (June 2012-August 2012)
Post-Doctoral Researcher in Dept. of Mechanical Engineering at The Ohio State University, Columbus, Ohio, US. (Jan 2012-May 2012)
Mechanical Engineer at GE Global Research Center, Bangalore, India. (August 2004-July 2006)
Conferences
Ongoing Project
Title: Microscale Modeling of Steels
Sponsor: Hydro-Quebec, Canada.
Title: An Experimentally Validated Phase-Field Damage Model For Fatigue Crack Growth in Residual Stress Field
Sponsor: ISRO
Title: Modelling And Simulation Studies On Development Of Laser Ablation Resistive Materials
Sponsor: Defence Lab. Jodhpur
Title: ICME for Near alpha Ti-Alloy Blisks with Dual Microstructure
Sponsor: DRDO
Patent
Vipin Chandra, Pritam Chakraborty, "A System and a Method for Contactless Automated Crack Extension Measurement (ACEM)", IPA 202411022761.
Project
Physics-based process modelling of Hot Isostatic Pressing (HIP): Influence of hydrostatic pressure and temperature on consolidation / density distribution
Sponsor: DMRL
Concurrent Multi-scale Method for Micro-crack Propagation in Polycrystalline Alloys
Sponsor: SERB
Modeling Thermo-mechanical fatigue of a near alpha Titanium Alloy for Compressor Disc/Bling Applications
Sponsor: ARDB
PhD Supervision
Crystal Plasticity Based Thermo-mechanical Fatigue Model of a Near-α Ti-alloy Exhibiting Dynamic Strain Aging
Syed Mustafa Kazim, September 2023
Direct Homogenization Based Plate Models of Corrugated Core Sandwich Structure for Integrated Thermal Protection Systems of Reusable Launch Vehicles
Nazim Khan, November 2023