**Associate Professor, Department of Mechanical and Nuclear Engineering** | **Mechanical and Nuclear Engineering**

Richmond, VA, US, Engineering East Hall, E2249

Professor Miloshevsky researches computational physics with emphasis on effects of plasma, laser and particle beams on materials.

Dr. Miloshevsky received his MS in physics in 1990 from Belarus State University in Minsk. In 1998, he completed his Ph.D. in physics from the Heat and Mass Transfer Institute of the National Academy of Sciences of Belarus. Dr. Miloshevsky’s training was in the fields of physics, mathematics and computer science with specializations in atomic, molecular and plasma physics. He participated in many national and international research projects in collaborations with scientists in Russia, Europe and Israel. In 2000, he joined Brandeis University in Boston as Postdoctoral Fellow (2000-2002) and Research Associate (2002-2008) in the Department of Chemistry. He focused on the development of new computational approaches for treating large protein systems, with the goal of predicting such proteins’ detailed function from knowledge of their structure. In 2008, Dr. Miloshevsky joined School of Nuclear Engineering at Purdue University, as Research Scientist (2008-2009), Research Assistant Professor (2009-2013), Research Associate Professor (2013-2015), and Associate Professor (2015-2018). Since 2019, he is an Associate Professor in the Department of Mechanical and Nuclear Engineering at Virginia Commonwealth University. Dr. Miloshevsky had the opportunity to work on many multidisciplinary research projects both in laboratory and academia environments. His research area of expertise is Computational Physics with emphasis on the effects of plasma, laser and particle beams on materials, shielding of space radiation, fission SNM sources, atomic and plasma physics, warm dense matter, dusty plasmas, Computational Fluid Dynamics, two-fluid liquid metal-plasma flows, Molecular Dynamics, Monte Carlo, Hartree-Fock and DFT methods, permeation and gating of protein channels and transporters, biophysics of lipid bilayers and membranes. Dr. Miloshevsky’s research accomplishments have been documented through many publications in peer-reviewed journals, books and conference proceedings.

- Research
- Education/Learning
- Computer Software
- Nuclear

June - August, 2018

June - August, 2017

April 2017

2000-2002

Post-Doc., Computational Biophysics

2002

Ph.D., Thermophysics and Molecular Physics

1998

M.S., Atomic and Plasma Physics

1990

- American Physical Society, Member
- Institute of Electrical and Electronic Engineers, Member
- American Chemical Society, Member

**MRS TV 2014 Spring Meeting** tv

2014-04-08

The state-of-the-art Center for Materials Under Extreme Environment (CMUXE) combines innovative laboratory experiments and high-end simulation experiments to develop, design, and test materials under extreme harsh conditions for future energy and advanced industrial applications.

view more**Purdue Engineering Impact Magazine** print

2010-05-06

A new faculty member has joined the School of Nuclear Engineering. Gennady Miloshevsky, research assistant professor, comes to Purdue from Brandeis University. He is applying his expertise to important new work in fusion in the Center for Materials Under Extreme Environments (CMUXE). He is also keenly focused on proteins at the atomic level.

view more**Meeting with Lt. Governor Justin Fairfax, Secretary of Education Atif Qarni, Delegates and Senators to discuss the importance of nuclear science and technology to the Commonwealth of Virginia** Richmond, VA

2019-01-16

equilibrium WDM naturally occurring in cores of large planets and rapidly evolving and highly non-equilibrium WDM produced in laboratory by high energy lasers, Z-pinch X-ray sources and nuclear detonations; equations of state, optical, and electrical properties of highly dense (0.1 to 10-fold solid density) and low temperature (1 eV – 10 eV) WDM; development of advanced, quantum-level computational models (Monte Carlo and Molecular Dynamics methods coupled with the Hartree-Fock-Slater - Collisional-Radiative Steady-State model) for predicting the formation, spatiotemporal evolution, physical and electrical properties of WDM

Melting of metallic plasma facing components, macroscopic melt motion, and melt splashing with droplets due to edge localized modes and plasma disruptions in fusion devices; coupled flow of plasma, vapor, and liquid metal under the effect of an external magnetic field; development and implementation of multi-fluid flow models within OpenFOAM CFD toolkit

depth-dose distributions produced by Jovian electrons in multi-layer slabs of materials; radiolytic degradation of ammonium perchlorate (AP) propellant; radiation-induced chemical yields and weight percent of radical products in AP; electron dose deposition and electric charge buildup in dielectric and insulating materials of spacecraft; evaluation of induced electric fields and internal electrostatic discharge; development and implementation of computational models for high-fidelity modeling of the radiolytic degradation of AP oxidizer in solid propellants and the deep charging and breakdown in spacecraft insulating and dielectric materials

expansion dynamics and shock-wave structure of plasma plumes generated by ns and fs laser pulses into a background atmosphere; atomic-level mechanisms of melting, disintegration of material, and formation of nano-clusters in fs laser-produced plasma plumes; development and implementation of the computational models in OpenFOAM and LAMMPS software toolkits for modeling of ultrafast laser-material interactions

databases of atomic, thermodynamic and optical properties of elements and their mixtures in a wide range of plasma density (10^10 cm^-3 to 10^21 cm^-3) and temperature (0.02 eV to 250 eV): (1) atomic energy levels, wave-functions, transition probabilities, ionization potentials, oscillator strengths, broadening constants, photoionization cross-sections, etc. (2) populations of atomic levels and concentrations of various charge-state ions and free electrons in plasmas as a function of density and temperature; (3) pressure and internal energy as a function of ion and electron temperatures and plasma density (equations of state); (4) highly accurate, detailed all-line opacity and emissivity spectra in a wide range of photon energy (0.05 eV to 10^5 eV)

time-correlated signatures and joint distributions of energy, angle, number and arrival time of neutrons and γ-rays from spontaneous and induced fission of SNM; discrimination between the non-correlated, time-correlated non-SNM (cosmic rays) and SNM sources; correlation between multiplicities of neutrons and gammas emitted from SNM and non-SNM sources; development of computational models for the modeling of fundamental nuclear reactions, neutron and γ-ray transport, and identification of fission SNM sources

kinetic processes in the charging of finite-size dust grains by plasma electrons and ions; cooperative effects, self-organization and self-confinement of finite-size dust grains into stable clusters in plasmas; influence of ultraviolet radiation on the charge state of dust grains and stability of dust clusters; effects of subsonic and supersonic directed plasma flows on the charge and floating potential on dust grains, ion focusing, and development of instabilities initiating the dust cluster reorganization, disordering, and melting; development and implementation of coupled Particle in Cell - Molecular Dynamics - Monte Carlo (PIC-MD-MC) models for studying of the properties of small dust clusters immersed in the background of plasma electrons, ions and neutral atoms

atomic-level mechanisms of permeation of water molecules and ions through proteins and transporters (gA, KcsA K+, ClC Cl-, LacY and LeuT) and their large-scale gating motions (opening/closing); mechanisms of water molecule and ion permeation through lipid bilayer membranes facilitated by the coupling of charges with membrane-water interfacial fluctuations; further development and improvement of computational models (kinetic Monte Carlo reaction path following and Monte Carlo normal mode following) used for studies of large bio-molecular systems and membrane transport

**Defense Thread Reduction Agency** $ 449,932

2018-04-22

A high-altitude nuclear burst can radiate 70 to 80 percent of its released energy as X-rays. A major effect of prompt cold X-rays to a few microns of satellite surface materials is surface vaporization, ionization, and generation of high-density blow-off plasma. Solar cells are more susceptible to prompt X-rays, since the large surface area is exposed to radiation and cannot be substantially shielded. Implications of X-ray irradiation of solar cells are potentially quite serious. The surface plasmas can couple the solar cells to each other and to dielectric structures causing them to be destroyed. The objective of the proposed research is to explore the physics mechanisms of prompt cold X-ray absorption by metallic and dielectric materials, formation and expansion phases of produced warm dense plasma (WDP), and its physical and electrical properties. We propose to study the fundamental physics of the formation and spatiotemporal evolution of WDPs using the Monte Carlo (MC) and Molecular Dynamics (MD) methods coupled with the Hartree-Fock-Slater (HFS) - Collisional-Radiative Steady-State (CRSS) model. This basic research covering the science of the creation, time evolution, and physical properties of WDPs generated in the cold X-ray radiation environment will improve our understanding of ways to design more survivable solar arrays for satellites.

**Defense Thread Reduction Agency** $ 462,401

2011-07-18

The regime of warm dense matter (WDM) corresponds to the phase diagram with densities ranging from 0.1 to 10-fold solid density and temperatures from 1 to 100 eV where the thermal, Coulomb and Fermi energies are nearly equal. Regimes of WDM include nuclear bursts, laser-plasma and particle beam-target interaction experiments. As WDM represents a complex regime at the interface of the condensed matter physics and plasma physics, the conventional theories developed for these fields are inadequate to predict the thermodynamic properties. The physics models that are based on reliable information directly derived from the WDM state, but not extrapolated from condensed matter or plasma systems, are required for high-fidelity predictions of thermodynamic and optical properties. A self-consistent quantum-mechanical (QM) treatment has to be implemented. The new development of advanced simulation tools is based on truly ab initio electronic structure methods beyond mean-field theories, able to predict reliably thermodynamic and optical properties of WDM. The equation of state and transport properties are determined on the atomistic scale, since the coupled, multi-physics behavior of the WDM regime is described from QM perspective. The proposed activities can significantly improve the understanding of material properties of WDM such as equations of state, electrical conductivity, optical properties under extreme conditions.

**DOE/NNSA** $ 700,000

2010-06-15

Nuclear materials yield very unique fission signatures, namely prompt and delayed neutrons and γ-rays. The challenge is to discriminate these time-coincident (correlated) neutrons and γ-rays emitted from shielded Special Nuclear Materials (SNM) and those originating from non-correlated or differently-correlated environmental sources. Neutron bursts or flashes can be produced at ground level by penetrating components of cosmic radiation, which produce peaks in neutron multiplicity distributions. These neutrons are also time-correlated. A neutron detector analyzing the “gross-counting” or evaluating the distribution in time has no means of distinguishing the neutrons generated by cosmic rays and those emitted by an SNM source, thus causing false alarms. Therefore, the ability of SNM detectors to use many parameters such as the number, energy, angle and arrival time of neutrons and γ-rays offers important improvements to identify the presence of SNM. The main objective of the research is to predict the time-correlated signatures and joint distributions of the energy, angle, number and arrival time of neutrons and γ-rays from spontaneous and induced fission of shielded SNM and those originated from cosmic rays. The MONSOL computer code is upgraded and adapted to perform Monte Carlo (MC) simulations of the transport of prompt and delayed neutrons and γ-rays. Both cosmic and SNM induced neutron and γ-ray energy and angular spectra, multiplicity distributions and arrival times are calculated, compared, analyzed and collected. The joint number distributions of neutrons and γ-rays and their correlation per spontaneous or induced fission event are evaluated in the MC simulations. The outcomes of the project are joint probability distribution functions and the statistical errors of the SNM signatures. The results allow a better understanding of the correlations of the energy, angle, number and arrival time of neutrons and γ-rays produced from the fission of SNM.

**DOE** $ 6,700,000

2008-04-01

Damage to plasma facing components (PFCs) and structural materials during normal and abnormal operations due to plasma interaction and loss of confinement in tokamak devices remains one of the most serious concerns for safe, successful, and reliable reactor operation. Extrapolation of heat loads and particle fluxes on PFCs during normal and abnormal operations to ITER parameters indicates serious consequences of lifetime and contamination issues. A significant erosion mechanism and plasma contamination issues are predicted from macroscopic melt splashes and losses due various forces acting on metallic divertor plates and wall materials. Understanding physical mechanisms of melt layer and vaporization losses during plasma instabilities is critical for successful development of fusion reactors and for developing effective mitigation methods. A critical issue for normal operation is sputtering of plasma facing surfaces by plasma ions and neutrals. There are three concerns, erosion of PFCs, tritium codeposition in growing redeposited surface layers and further contamination of the core plasma from sputtered (and related processes) material. Composite/mixed materials as PFCs in ITER-like devices add significant complexity to understanding the effects of core plasma particles impact on PFC surfaces, erosion lifetime, core plasma contamination, fuel particle recycling, and surface material protective properties. This is a very important area and not much attention has been made in understanding the integrated effects and the interplay of all physical processes involved. An integrated model is developed and enhanced to study all erosion phenomena and plasma contamination in full 3D divertor configurations and nearby components.

**NIH/NIGMS** $ 1,597,560

2004-09-30

This proposal describes theoretical approaches for relating structural features of ion channel proteins and of their phospholipid environment to channel behavior and function, stressing problems central to excitable cell physiology and controlled water transport. The calculations are designed to clarify issues in permeation and gating. A new approach to determining reaction pathways in proteins, ones involving large energy barriers, is outlined. It is based on available crystallographic data and used to determine permeation pathways in systems, like CIC chloride channels, where the paths cannot be established by structural inspection. It is used to identify the cooperative, low frequency, high amplitude vibrational modes that control gating. It is applied to CIC chloride channels to establish the mechanism that couples conductance with the fast gate and to search for the structural factors that control the slow gate. It is applied to aquaporins to better characterize the mechanism of proton rejection, and to elucidate the physical basis for high water turnover and for water/alditol selectivity. It is applied to potassium channels to clarify how coupling between the cations and the selectivity filter leads to C-type inactivation and influences normal activation, to reconcile contradictions between structural and electrophysiological studies of the voltage sensor and to elucidate the mechanism of voltage gating. Channel-membrane interaction influences gating, most clearly for mechanically gated assemblies. A new, efficient way to treat membrane-mediated influences between a channel's transmembrane segments is outlined. It will be validated on alamethecin and used to better characterize gating of the MscL channel.

**NIH/NIGMS** $ 1,147,512

2000-10-12

This proposal describes theoretical ways to relate structural features of ion channel proteins and of their phospholipid environment to channel behavior, stressing problems central to excitable cell physiology. Model calculations clarifying issues in permeation and selectivity are described. An important approach to simulation, constructing force fields reliable in channel environments, is described. A new way to treat lipid influences on channels is outlined. Calculations of free energy profiles, based on an exact, computationally efficient way to treat a limited number of molecular features of the ion(s), water and protein charges that surround and form the aqueous pore, are proposed and used to understand and interpret major structural features of the selectivity domain of potassium channels: Why is it multiply occupied? Why does it reject small alkali cations? Why the bridge water is loosely coordinated? The method is applied to crystalline gramicidin conformers to determine why some favor anion occupancy. As more channel structural data (on nicotinic and voltage gated cation families) become available, their selectivity and permeation characteristics will be investigated. Ways to meld these exact techniques with standard simulation methods are described. An application that may disentangle the enthalpic from the entropic influences on the permeation kinetics of the model potassium channel is presented. A new way to construct water-water and ion-water force fields is outlined. This approach, by accurately treating short-range structural forces and intermediate range electrostatics, is designed to yield force fields reliable over a wide range of thermodynamic phase space. Water and hydrated species in channels and in bulk water are very different structurally. Reliable simulational methods must account for thee differences. The new force fields, being valid over extended p-V-T domains, answer this need. Channel formation is greatly influenced by interaction with the membrane. The crucial interactions correlate surface displacements in membrane regions about a bilayer width apart. At such short separations elastic behavior becomes cooperative. A new electroelastic theory of membranes is outlined and used to study peptide insertion energetics.

**INTERNATIONAL SCIENCE AND TECHNOLOGY CENTER (ISTC)** $ 488,000

1996-04-01

The goal of this research project awarded by the International Science and Technology Center (ISTC) to the group of Russian research institutions was to convert the activities of Russian nuclear weapon scientists to civil purposes and to promote solution of scientific and technological problems in ecology and environment protection. Large-scale accidents caused by the impact of large space bodies, eruption of volcanoes, unpremeditated explosions of ammunition depots, accidents at oil depots, oil- and gas-pipelines, atomic power stations despite the difference in the dynamics of their development, have a lot of common features with a nuclear detonation. All of them to a certain degree represent a combination of such physical processes as an intensive gas dynamic flow of compressible and incompressible substances, molecular and radiative heat exchange, elastic behavior and destruction of the condensed phase of substance, fusion, evaporation and condensation, ejection of large quantities of substance and heat into the atmosphere, complex chemical reactions between initial products. The consequences of such events frequently have significant influence on the ecological conditions and environment. Existing methods of simulation as well as those being developed allow to predict the dynamics of complex processes and their consequences at various time, spatial and energy scales. Therefore, it is difficult to overestimate the relevance of such a computational approach. In this relation the goal of this research project consists in the development of an integrated approach to the solution of a broad range of problems of large-scale energetic catastrophes using methods of mathematical simulation. This requires improvement and development of new physical-mathematical models of various phenomena, accompanying large explosive and impact type energetic catastrophes, improvement and development of new physical-mathematical models of material properties at high density of energy, development of numerical algorithms and their implementation, and creation of software for execution of a numerical experiment.

The course introduces Open-source Field Operation And Manipulation (OpenFOAM) software toolkit and its practical applications for solving Computational Fluid Dynamics (CFD) engineering problems. This introductory course includes a short revision of the fundamentals of CFD and entirely consist of hands-on training sessions on solving typical CFD problems. Course objectives: (1) to learn about what is the OpenFOAM software package, OpenFOAM history, capabilities, advantages and disadvantages of using OpenFOAM, what is under the hood of OpenFOAM, and library of OpenFOAM physics models; (2) to introduce into modern Docker technology, how to install, configure, and run Docker; (3) to learn how to search, pull, and start OpenFOAM image in Docker, manipulate OpenFOAM container, explore OpenFOAM directory structures, and run OpenFOAM solvers; (4) to understand how to set up a CFD case in OpenFOAM, create a computational mesh, pre-process boundary and initial conditions; (5) to run a CFD solver for solving the governing equations for the flow problem of interest; and (6) to post-process results analyzing data and visualizing geometry, line, vector and surface plots

The course introduces numerical algorithms used in error analysis, computing roots of equations, solving linear algebraic equations, curve fitting, numerical differentiation and integration, numerical methods for ordinary differential equations and partial differential equations. The course content is tailored for mechanical engineering applications by implementation of numerical techniques using C++ programming. Course objectives: (1) to understand the role of computers in engineering as a complement to analytical and experimental approaches; (2) to gain a basic understanding of computer arithmetic and round-off errors and how to avoid loss of significance in numerical computations; (3) to investigate the robustness and the accuracy of the algorithms and/or how fast the numerical results from the algorithms converge to the true solutions; (4) to learn how the numerical techniques implemented and work in the numerical GNU Scientific Library and how to program simple numerical algorithms in C++ programming environments using Visual Studio Code editor; (5) to introduce students into multi-platform Docker technology, how to install, configure, and run Docker; and (6) to be able to communicate the results of numerical computation, with adequate explanations, in written and graphical form using Gnuplot graphing software

The course covers the nuclear environments and materials selection for nuclear applications, bonding, crystal structure and symmetry, defects and irradiation, chemical thermodynamics, phase equilibria, phase transformations and corrosion in nuclear systems and design. Course objectives: (1) to define important requirements and limitations of materials in energy systems and how to select them; (2) to understand the ”structure” of materials; (3) to understand the relationship between structure and properties, with illustrated examples; (4) to appreciate the importance of kinetics and thermodynamics in materials phenomena; and (5) to be able to formulate and solve typical problems in materials performance

The course covers the fundamentals of ion and neutron interaction with materials and applications. The course introduces students to the types of radiation and radiation sources, physical mechanisms of ion and neutron interaction with solids, radiation damage, ion beam mixing, applications in nuclear fission and fusion reactors and materials modification and synthesis by ion beams. Course objectives: (1) to learn the types and sources of ion and neutron radiation; (2) to understand the physical mechanisms of ion and neutron interaction with materials and model ion interactions quantitatively using SRIM code; (3) to understand and model the phenomenon of radiation damage to bulk, surfaces and interfaces using SRIM; (4) to relate the concepts of radiation damage to neutron interaction with solids in both fission and fusion reactors; and (5) to understand the technological applications of ion interactions with materials

Introduction to radiation effects in solids and survey of nuclear reactor materials, crystal structure and defects, diffusion processes, microstructure evolution under irradiation, dimensional stability of materials, phase stability, segregation, irradiation hardening and creep, and corrosion in an irradiation environment. Course objectives: (1) to understand materials selection for nuclear applications, especially in the irradiation environment; (2) to understand defects and their properties in crystalline solids relevant to fission and fusion applications; (3) to understand defect thermodynamics, diffusion and reaction kinetics; (4) to understand nucleation of basic microstructure features (interstitial and vacancy clusters); (5) to model and predict dimensional changes in reactor materials; (6) to model and predict phase changes in reactor materials; and (7) to model and predict the impact of irradiation on mechanical properties of reactor materials

Principles of neutron, gamma, and charged-particle shielding; Theoretical methods for analysis of shielding; Problems of practical interest in nuclear and space radiation shielding applications; Design of radiation shields; Emphasis on Monte Carlo simulations of shield design; Introduction into GEANT4 computer code and its applications for radiation shield designs. Course objectives: (1) to introduce students to a range of radiation shielding analyses relevant to a variety of nuclear and space applications; (2) to learn about dose estimations for specialized radiation sources and geometry conditions; (3) to gain insights into design considerations for photon and neutron shielding applications; (4) to provide a detailed examination in the use of Monte Carlo techniques in nuclear and space shielding applications; and (5) to apply the GEANT4 computer code for shielding design and radiation protection from photons, neutrons, and charged particles

J. Rudolph and G. Miloshevsky

Vol. 44, 2018, 685-691.

view moreG. Miloshevsky, J. A. Caffrey, J. E. Jones and T. F. Zoladz

December 2017, pages 114-124.

view moreA. Miloshevsky, M. C. Phillips, S. S. Harilal, P. Dressman and G. Miloshevsky

Vol. 1, 2017, 063602.

view moreS. S. Harilal, P. J. Skrodzki, A. Miloshevsky, B. E. Brumfield, M. C. Phillips and G. Miloshevsky

Vol. 24, 2017, 063304.

view moreG. Miloshevsky and A. Hassanein

Vol. 92, 2015, 033109.

view moreG. Miloshevsky and A. Hassanein

Vol. 342, 2015, pp. 277-285.

view moreG. Miloshevsky and A. Hassanein

Vol. 54, 2014, 033008.

view moreG. Miloshevsky and A. Hassanein

Vol. 737, 2014, pp. 33-41.

view moreS. S. Harilal , G. V. Miloshevsky, T. Sizyuk and A. Hassanein

Vol. 20, 2013, 013105.

view moreG. V. Miloshevsky and A. Hassanein

Vol. 85, 2012, 056405.

view moreG. V. Miloshevsky, A. Hassanein and P.C. Jordan

Vol. 98, No. 6, 2010, pp. 999-1008.

view moreG. V.Miloshevsky and A. Hassanein

Vol. 50, No. 11, 2010, 115005.

view moreG. V. Miloshevsky, A. Hassanein, M.B. Partenskii and P.C. Jordan

Vol. 132, No. 23, 2010, pp. 234707-1-11.

view moreG.V. Miloshevsky and P.C. Jordan

Vol. 95, No. 7, 2008, pp. 3239-3251

view moreM.B. Partenskii, G.V. Miloshevsky and P.C. Jordan

Vol. 47, No. 4, 2007, 385-396

view moreG.V. Miloshevsky and P.C. Jordan

Vol. 15, No. 12, 2007, pp. 1654-1662

view moreG.V. Miloshevsky and P.C. Jordan

Vol. 14, No. 8, 2006, pp. 1241-1249

view moreG.V. Miloshevsky, V.A. Sizyuk, M.B. Partenskii, A. Hassanein and P.C. Jordan

Vol. 212, No. 1, 2006, pp. 25-51

view moreG.V. Miloshevsky and P.C. Jordan

Vol. 122, No. 21, 2005, pp. 214901-7

view moreG.V. Miloshevsky and P.C. Jordan

Vol. 27, No. 6, 2004, pp. 308-314

view moreG.V. Miloshevsky and P.C. Jordan

Vol. 87, No. 6, 2004, pp. 3690-3702

view moreG.V. Miloshevsky and P.C. Jordan

Vol. 86, No. 2, 2004, pp. 825-835

view moreG.V. Miloshevsky and P.C. Jordan

Vol. 86, No. 1, 2004, pp. 92-104

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