Consultancy Services

Our Services
• Finite Element Analysis (FEA) - Advanced numerical simulations for fracture and fatigue analysis• Materials Characterization - Experimental testing and microstructural evaluation• Damage Modeling - Elasto-viscoplastic damage models for creep-fatigue conditions• Configurational Force Analysis - Innovative approach to crack path and stress intensity calculation• Training & Workshops - Specialized training in FEA, materials science, and computational methods• Research Consultation - Expert guidance for materials and mechanical engineering projects

Featured Project: GTRE Gas Turbine Disk Fir-Tree Analysis
Title: Damage Modelling and Creep-Fatigue Crack Growth Behavior of Gas Turbine Disk Fir-Tree Using Finite Element Analysis
Funding Agency: GTRE (Gas Turbine Research Establishment)Project Duration: 4 years (initially 3 years)Project Cost: 525.6664 Lakhs
Key Objectives:• Examine damage and fracture resistance under creep-fatigue conditions• Model the fir-tree structure of gas turbine disks using elasto-viscoplastic damage models• Develop configurational force-based crack path and driving force calculations• Conduct CFCG (Creep-Fatigue Crack Growth) simulations
Deliverables:• Damage model of fir-tree structure with raw data and methodology• Microstructural and fractographic analysis of failed components• FEM simulations validated with experimental data
Expertise Applied:• Advanced Abaqus FEM simulations• High-temperature materials testing (550-700°C)• Configurational forces methodology• Creep-fatigue damage characterization

Advanced Research Project: AERB Pressure Tube Materials
Title: Evaluation of orientation dependent tensile properties, flow curves and Hill's Parameters for modelling Pressure tube behavior at different strains, strain rates and elevated temperatures
Funding Agency: CSRP-AERB (Atomic Energy Regulatory Board)Program Coordinator: Dr. Ritu J Singh (NSAD, AERB)Project PI: Dr. Abhishek Tiwari, IIT RoparProject Co-PI: Dr. Pratik K Ray, IIT RoparProject Duration: 3 years (Started June 21, 2024)
Key Research Focus:• Orientation-dependent tensile properties of Zr-2.5Nb pressure tube material• Flow curves at multiple temperatures (25-800°C) and strain rates• Hill's anisotropic parameters for material modeling• Advanced characterization using Digital Image Correlation (DIC)
Testing Methodology:• Miniature tensile specimens with multiple orientations (Axial, Transverse, Axial-Transverse, Radial)• Ring tensile tests for studying specimen geometry effects• High-temperature shear testing (up to 800°C)• ~153 specimens total with multiaxial strain measurement
Key Deliverables:• Comprehensive material property database for Zr-2.5Nb alloy• Anisotropic constitutive material models• Validated FEM subroutines for Abaqus implementation• Technical reports and publications

Research Expertise & Lab Capabilities
Core Research Areas:• Computational Fracture Mechanics - Advanced FEA for fracture and fatigue analysis• Materials Science - Microstructural characterization and property evaluation• Creep & Fatigue - High-temperature creep-fatigue crack growth analysis• Configurational Forces - Novel approach for crack path prediction• Damage Mechanics - Elasto-viscoplastic damage models for critical applications• Materials Modeling - Anisotropic material behavior and Hill's parameters
Key Laboratory Facilities:• 50kN Servo-hydraulic UTM (Universal Testing Machine) for high-temperature testing• Split-type furnace with Digital Image Correlation (DIC) capability• 50kN Lever arm creep testing machine• High-performance computational workstation (128GB Intel Xeon)• Optical microscopy and automatic micro-hardness testing• Access to institute-wide FE-SEM, HRTEM, XRD facilities
Computational Tools & Software:• Abaqus FEA Suite - Advanced FEM simulations and damage modeling• MATLAB - Custom algorithm development and data analysis• DIC Software - Full-field strain measurement and analysis• Metallography software - Automated image analysis
Technical Expertise:• High-temperature mechanical testing (up to 800°C)• 3D Finite Element Modeling and analysis• Multiaxial loading and fatigue testing• Fractography and microstructural analysis• Material constitutive modeling and characterization

Get in Touch
Interested in our consultancy services? We'd love to hear from you.
Contact Information:Dr. Abhishek TiwariAssistant ProfessorFracture Mechanics LabDepartment of Metallurgical and Materials EngineeringIndian Institute of Technology RoparRupar, Punjab 140001, India
Email: abhishek.tiwari@iitrpr.ac.inPhone: +91-1881-232410 (Ext: Department of MME)
Lab Website: fracturemechanicslab.iitrpr.ac.in
Available for:• Project consultations• Research collaborations• Student training programs• Industrial partnerships• Contract research

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