Professor i anvendt matematikk
Sanjay Kumar Khattri
Arbeids- og kompetanseområde
Jeg er professor i anvendt matematikk. Jeg fikk en BTech i kjemiteknikk fra Indian Institute of Technology, Varanasi. Jeg tok en MS-grad fra Texas A&M University College Station, TX, USA. Jeg oppnådde en Ph.D. i anvendt matematikk fra Universitetet i Bergen, Norge. Jeg har forsket i beregningsmatematikk, vitenskapelig databehandling og branndynamikk. Jeg har jobbet ved oljeprosessanleggene. Jeg har jobbet ved HVL siden 2006.
I min nåværende forskning bruker jeg computational fluid dynamics og vitenskapelig databehandling for å løse problemer innen brannsikkerhetsvitenskap. Jeg liker å undervise. Jeg er interessert i forskningsbaserte undervisningsmetoder for å forbedre elevenes læring.
Underviser i
- ING4006 Advanced Fire and Egress Modelling
- ING3049 Brannteknisk simulering
- ING2043 Branndynamikk
Forskar på
- Fire dynamics
- Computational fluid dynamics and computational fire dynamics
- Scientific computing
Forskargrupper
- ING2043, Branndynamikk, Vår 2025
- ING3049, Brannteknisk simulering, Høst 2024
- ING5002, Master Thesis, Høst 2024
- ING5002, Master Thesis, Vår 2025
- SIK350, Bacheloroppgåve, Vår 2025
Publikasjonar
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Influence of Wooden Compartment’s Fuel Moisture Content on Time to Flashover: An Experimental and Numerical Study
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Validering av FDS for å vurdere tid til overtenning med hensyn på treverkets fuktinnhold
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Scenario Based Fire Risk Assessment; The effects of longitudinal ventilation in case of fire in an existing road tunnel
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Analysis of wood fuel moisture content on enclosure fire through small scale experiments
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A novel representation of the critical ventilation velocity for mitigating tunnel fires
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Numerical study of the airflow criterion of pressurization systems using Fire Dynamics Simulator
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Local convergence of an at least sixth-order method in Banach spaces
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Tunnel Fire Dynamics as a Function of Longitudinal Ventilation Air Oxygen Content
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An improved semilocal convergence analysis for the Halley's method
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Differential quadrature-based simulation of a class of fuzzy damped fractional dynamical systems
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Unmanaged heathland - A fire risk in subzero temperatures?
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From small-scale tunnel fire simulations to predicting fire dynamics in realistic tunnels
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AN IMPROVED SEMILOCAL CONVERGENCE ANALYSIS FOR THE MIDPOINT METHOD
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On the local convergence of a secant like method in a banach space under weak conditions
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Local convergence of a one parameter fourth-order jarratt-type method in banach spaces
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Improved error analysis of Newton's method for a certain class of operators
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Local convergence of a class of multi-point Super–Halley methods in Banach spaces under weak conditions
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New convergence conditions for the Secant method
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Local convergence of a class of multi-point super-halley methods in banach spaces under weak conditions
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Weak convergence conditions for the Newton's method in Banach space using general majorizing sequences
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CONVERGENCE ANALYSIS FOR THE TWO-STEP NEWTON METHOD OF ORDER FOUR
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Local convergence for a family of third order methods in Banach spaces
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SOME DEVELOPMENT FOR NEWTON’S METHOD UNDER MILD DIFFERENTIABILITY CONDITIONS
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Fixed points for operators with generalized Hölder derivative
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On an Ulm´s-like method under weak convergence conditions in banach space
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On a damped Newtons`s method for nonlinear systems
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Expanding the applicability of Newton's method using Smale's α-theory
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On the convergence of Broyden's method in Hilbert spaces
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How to increase convergence order of the Newton method to 2 × m?
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A convergence analysis of an $R-$order four method with reduced computational cost in banach spaces
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Weaker Kantorovich type criteria for inexact Newton methods
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Algorithm for forming derivative-free optimal methods
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On an iterative algorithm of Ulm-type for solving equations
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Dynamic behaviour of a unified two-point fourth order family of iterative methods
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On the Semilocal Convergence of Stirling`s Methode Based on Non-contractive Hypotheses
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Inexact Newton method under weak and center-weak Lipschitz conditions
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An improved convergence analysis of Newton's method for twice Frechet differentiable operators
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Expanding the applicability of Inexact Newton Methods under Smale's (alpha, gamma)-theory
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Fourth-order family of iterative methods with four parameters
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Unification of sixth-order iterative methods
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A unifying semi-local analysis for iterative algorithms of high convergence order
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A new convergence analysis for the two-step Newton method of order three
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On a new semilocal convergence analysis for the Jarratt method
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Another note on some quadrature based three-step interative methods for non-linear equations
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Letter to the Editor regarding the letter by Soleymani
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On the secant method
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Erratum to: Derivative free algorithm for solving nonlinear equations
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An improved semilocal convergence analysis for the Chebyshev method
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Two new classes of optimal Jarratt-type fourth-order methods
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Euler's number and some means
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Reliability Based Optimization of Technical Specification of Frontline Systems of Nuclear Power Plants using Multi-objective Approach
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COMPUTATIONAL PITFALLS OF HIGH-ORDER METHODS FOR NONLINEAR EQUATIONS
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Quadrature based optimal iterative methods with applications in high-precision computing
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Sixteenth order iterative methods without restraint on derivatives
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Incarcerating the Euler-Mascheroni constant
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OPTIMIZATION OF MAINTENANCE SCHEDULING OF SHIP BORNE MACHINERY FOR IMPROVED RELIABILITY AND REDUCED COST
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Optimal eighth order iterative methods
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A level-1 PSA based systemic approach to optimal technical specifications of safety systems in nuclear power plants
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TEACHING THERMODYNAMICS TO ENGINEERING STUDENTS: NEW APPROACH FOR INTERPOLATION OF STEAM TABLES
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Two optimal families of iterative methods for solving nonlinear equations
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A new method for solving a system of fifth-order obstacle boundary value problems
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On Trifunction Variational Inequalities
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Series expansion of functions with He's homotopy perturbation method
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Third Order Derivative Free Halley Methods
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Unifying fourth-order family of iterative methods
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Constructing third-order derivative-free iterative methods
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Sixth order derivative free family of iterative methods
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Simulation of long-term fate of CO2 in the sand of Utsira
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HOW TO DEVELOP FOURTH AND SEVENTH ORDER ITERATIVE METHODS?
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Deriative-free iterative optimal methods
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Numerical convergence on adaptive grids for control volume methods
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Newton-Krylov algorithm with adaptive error correction for the Poisson-Boltzmann Equation
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Which meshes are better conditioned: Adaptive, uniform, locally refined or locally adjusted?
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Computationally efficient technique for nonlinear Poisson-Boltzmann equation
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A new smoothing algorithm for quadrilateral and hexahedral meshes
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Control Volume Finite Difference On Adaptive Meshes
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Numerical Tools for Multicomponent, Multiphase, Reactive Processes: Flow of CO2 in Porous Media
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Numerical modelling of reactive transport at the Utsira
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Numerics of CO2 sequestration
