Guest Editors
Prof. Chandra Kumar Dixit
Email: ckdixit@dsmnru.ac.in
Affiliation: Faculty of Science & Technology, Dr Shakuntala Misra National Rehabilitation University, Lucknow, U.P., India 226017
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Research Interests: high-pressure research, materials science
Dr. Shivam Srivastava
Email: shivamsrivastavasrivastava32@gmail.com
Affiliation: Faculty of Science & Technology, Dr Shakuntala Misra National Rehabilitation University, Lucknow, U.P., India 226017
Homepage:
Research Interests: high-pressure research
Summary
The Pressure–Isothermal Equation of State (PI-EOS) modeling in fluid dynamics and materials processing is a computational approach that relates the pressure of a fluid or multiphase system to its density and temperature under isothermal conditions. It provides a closure relation for incompressible or weakly compressible flows, enabling accurate simulation of fluid motion, phase interactions, and transport phenomena. In materials processing, PI-EOS is used to model processes such as solidification, gas–liquid flows, and particle-laden suspensions, capturing pressure-driven effects on flow stability, mixing, and mass transfer. It is particularly useful for high-fidelity CFD of complex multiphase systems.
In recent years, significant progress has been made in developing advanced PI-EOS formulations capable of accurately predicting pressure–volume–temperature relationships across a wide range of solids, fluids, nanomaterials, and complex processing environments. This special issue, entitled "Advances in Pressure–Isothermal Equation of State Modeling for Fluid Dynamics and Materials Processing," aims to bring together high-quality contributions that highlight theoretical, computational, and experimental developments in PI-EOS-based modeling.
The issue welcomes research addressing isothermal EOS applications in fluid dynamics, including compressible flows, multiphase interactions, transport behavior, non-Newtonian fluids, and high-pressure flow regimes. It also seeks studies that use PI-EOS frameworks to support materials-processing technologies, such as casting, forging, sintering, high-pressure synthesis, additive manufacturing, and nanoscale materials design. Emphasis will be placed on novel analytical models, numerical simulations, molecular dynamics approaches, and data-driven methods that improve predictive capability for real-world engineering systems.
By integrating advances from physics, materials science, and fluid mechanics, this special issue aims to provide a comprehensive platform for researchers to exchange ideas, refine EOS methodologies, and contribute to the scientific foundation required for next-generation materials and fluid-processing technologies.
Keywords
isothermal equation of state (EOS), high-pressure thermodynamics, fluid dynamics modeling, materials processing, thermoelastic properties, finite strain theory, nanomaterials and smart materials, computational materials science, thermophysical parameters, multiscale simulation and modeling
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