DR. RICHARD VASQUES

Transcription

1 EDUCATION DR. RICHARD VASQUES (510) Department of Nuclear Engineering University of California, Berkeley 4103 Etcheverry Hall MC 1730 Berkeley, CA Ph.D. University of Michigan Ann Arbor 2009 Applied & Interdisciplinary Mathematics Partner Dept.: Nuclear Engineering & Radiological Sciences Advisors: Edward W. Larsen and Charles Doering M.S. Federal University of Rio Grande do Sul Porto Alegre, Brazil 2005 Applied Mathematics Advisors: Marco T. Vilhena and Edward W. Larsen B.S. Federal University of Rio Grande do Sul Porto Alegre, Brazil 2002 Applied & Computational Mathematics RESEARCH EXPERIENCE & EMPLOYMENT University of California, Berkeley Assistant Project Scientist, Dept. of Nuclear Engineering Jun Present Berkeley, CA Mathematical modeling of particle transport and diffusion Computational methods for neutron transport: deterministic, Monte Carlo, and hybrid Focus in nonclassical transport, random mixtures, generalized (anomalous) diffusion processes, angle-informed variance reduction techniques, and stochastic point kinetics equations Applications in reactor physics, neutron imaging, atmospheric sciences, remote sensing, image rendering, and computer-generated imagery Federal University of Rio Grande do Sul, Brazil Jul May Postdoctoral Research Fellow Porto Alegre, Brazil Developed a semi-analytical representation of a nonstiff solution for the point kinetics equations with stochastic fluctuations Proved that diffusion-based approximations to the Boltzmann equation (SP1, SP2, SP3) can be exactly represented by the nonclassical transport equation, obtaining analytical expressions for the path-length distribution functions Demonstrated the accuracy of the nonclassical Boltzmann equation in model 1-D systems RWTH Aachen University, Germany Aug Jul Research Assistant in the Group for Computational Nuclear Engineering Aachen, Germany Developed image reconstruction algorithms to correct diverging beams for a compact neutron radiography system for radioactive waste analysis Generalized the nonclassical transport theory to include angular-dependent path-length distributions, with applications in Pebble Bed reactors Designed a Metropolis Monte Carlo algorithm to analyze nonclassical transport in atmospheric clouds Derived adjusted Levermore-Pomraning equations for diffusive problems in 1-D random media; supervised Masters student thesis on the subject Developed a family of asymptotic preserving numerical schemes for the nonclassical Boltzmann equation

2 EAESP Fundação Getúlio Vargas, Brazil Mar Jul Assistant Professor of Mathematics São Paulo, Brazil Projects related to business strategy McKinsey & Company, Brazil Oct Feb Associate Consultant São Paulo, Brazil Several projects in business strategy, including projects in Energy Distribution in Brazil TEACHING EXPERIENCE University of California, Berkeley (Guest Lecturer) Berkeley, CA NE 155, Introduction to Numerical Simulations for 11 lectures, Spring 2016, Spring 2017 Radiation Transport (senior-level elective) NE 255, Numerical Simulations in Radiation Transport 7 lectures, Fall 2016 (graduate-level) NE 100, Introduction to Nuclear Engineering 1 lecture, Spring 2016 NE 250, Nuclear Reactor Theory (graduate-level) 3 lectures, Fall 2015 Federal University of Rio Grande do Sul, Brazil Porto Alegre, Brazil Particle Transport in Stochastic Media 30 hours, December 2013 (graduate-level Summer course) RWTH Aachen University, Germany Aachen, Germany Advanced Topics in Transport Theory (graduate-level) Summer 2013 Designed and taught the MathCCES Teaching Workshop, April 2013 a professional development course for teaching assistants Mathematics III (senior-level) Winter EAESP Fundação Getúlio Vargas, Brazil São Paulo, Brazil Matemática I (Calculus I) 4 sections, Matemática II (Calculus II) 2 sections, University of Michigan, Ann Arbor Graduate Student Instructor (Primary Instructor) Ann Arbor, MI Math 116, Calculus II Fall 2008 Math 115, Calculus I Fall 2006 Math 105, Data Functions & Graphs (Pre-Calculus) Fall 2005, Fall 2007 SUPERVISED STUDENTS University of California, Berkeley Berkeley, CA Mingjian Lu (Undergraduate Research Assistant) Jul Present Clay Shieh (Undergraduate Research Assistant) Jan May 2016 Project: Implementation and optimization of 1-D transport solvers in Python RWTH Aachen University, Germany Aachen, Germany Nitin Kumar Yadav (Masters student) Sep Feb Thesis: An extended closure for the Levermore-Pomraning equations in scattering random media

3 Akash Pakanati (Undergraduate Research Assistant) Jun Mar Project: Simulation of photon path-length distributions in atmospheric clouds Srikanth Gopalakrishnan (Masters Student) Sep Feb Project: Neutron imaging system for radioactive waste analysis Nikhil Bhandari (Undergraduate Summer Research Intern) May Jul Project: Image processing techniques applied to reconstruction algorithms for neutron imaging GRANTS AND FELLOWSHIPS Advanced and Innovative Nuclear Reactors ($49, BRL $25, USD) Fulbright-CAPES Fellowship CNPq Doctoral Fellowship (declined) 2005 CNPq Masters Fellowship CAPES Masters Fellowship (declined) 2003 FAPERGS Scientific Initiation Fellowship 2002 **Travel and conference grants not listed** SERVICE AND PROFESSIONAL SOCIETIES Refereeing Activities Annals of Nuclear Energy Nuclear Science and Engineering Progress in Nuclear Energy Nuclear Engineering and Design Energy Research Journal ANS - M&C ANS Student Conference ANS - M&C 2017 Editorial Activities Energy Research Journal Editorial board, Organizing Activities 25 th ICTT, Oct , 2017 Local Organizing Committee ANS - American Nuclear Society Mathematics & Computation Division Reactor Physics Division Young Members Group SIAM - Society for Industrial and Applied Mathematics SIAG on Computational Science and Engineering Member, 2012-present Member, 2012-present Brazilian Alumni Association of Fulbright Fellows Founding member 2010 Council member PREPRINTS 24. R. Vasques, R.N. Slaybaugh. Simplified P N equations for nonclassical transport with isotropic scattering. To appear in Proceedings of the International Conference on Mathematics & Computational Methods Applied to Nuclear Science & Engineering (2017). arxiv: [nucl-th]

4 PUBLICATIONS 23. R. Vasques, K. Krycki, R.N. Slaybaugh. Nonclassical particle transport in one-dimensional random periodic media. Nuclear Science and Engineering 185: (2017). 22. M. Wollmann da Silva, R. Vasques, B.E.J. Bodmann, M.T. Vilhena. A nonstiff solution for the stochastic neutron point kinetics equations. Annals of Nuclear Energy 97: (2016). 21. R. Vasques, R.N. Slaybaugh, K. Krycki. Nonclassical particle transport in the 1-D diffusive limit. Transactions of the American Nuclear Society 114: (2016). 20. R. Vasques. The nonclassical diffusion approximation to the nonclassical linear Boltzmann equation. Applied Mathematics Letters 53: (2016). 19. M. Wollmann da Silva, B.E.J. Bodmann, M.T. Vilhena, R. Vasques. The solution of the neutron point kinetics equation with stochastic extension: an analysis of two moments. Proceedings of the 7 th International Nuclear Atlantic Conference in São Paulo, Brazil, October M. Frank, K. Krycki, E.W. Larsen, R. Vasques. The nonclassical Boltzmann equation, and diffusion-based approximations to the Boltzmann equation. SIAM Journal on Applied Mathematics 75: (2015). 17. M. Wollmann da Silva, B.E.J. Bodmann, M.T. Vilhena, R. Vasques. Influence of stochastic moments in the solution of the neutron point kinetics equation. In: C. Constanda, A. Kirsch (eds.): Integral Methods in Science and Engineering, Springer: Birkhauser Basel, pp (2015). 16. R. Vasques, K. Krycki. On the accuracy of the non-classical transport equation in 1-D random periodic media. Proceedings of Joint International Conference on Mathematics and Computation, Supercomputing in Nuclear Applications and the Monte Carlo Method in Nashville, TN, April R. Vasques, N.K. Yadav. Adjusted Levermore-Pomraning equations for diffusive random systems in slab geometry. Journal of Quantitative Spectroscopy & Radiative Transfer 154: (2015). 14. R. Vasques. Nuclear energy is renewable energy. Energy Research Journal 5: (2014). 13. R. Vasques, E.W. Larsen. Non-classical particle transport with angular-dependent path-length distributions. I: Theory. Annals of Nuclear Energy 70: (2014). 12. R. Vasques, E.W. Larsen. Non-classical particle transport with angular-dependent path-length distributions. II: Application to pebble bed reactor cores. Annals of Nuclear Energy 70: (2014). 11. R. Vasques. Estimating anisotropic diffusion of neutrons near the boundary of a pebble bed random system. Proceedings of International Conference on Mathematics and Computational Methods Applied to Nuclear Science & Engineering in Sun Valley, ID, May E.W. Larsen, R. Vasques. A generalized linear Boltzmann equation for non-classical particle transport. Journal of Quantitative Spectroscopy & Radiative Transfer 112: (2011). 9. R. Vasques, E.W. Larsen. Anisotropic diffusion in model 2-D pebble-bed reactor cores. Proceedings of International Conference on Advances in Mathematics, Computational Methods, and Reactor Physics in Saratoga Springs, NY, May E.W. Larsen, R. Vasques, M.T. Vilhena. Particle transport in the 1-D diffusive atomic mix limit. Proceedings of Mathematics and Computation, Supercomputing, Reactor Physics and Nuclear and Biological Applications in Avignon, France, September 2005.

5 7. R. Vasques, M.T. Vilhena, M. Thompson, E.W. Larsen. State of the art of particle transport theory in stochastic media. Proceedings of XXV CILAMCE: Iberian Latin American Congress on Computational Methods in Engineering in Recife, Brazil, November A.V. Cardona, R. Vasques, M.T. Vilhena. Uma nova versão do método LTA n. TEMA: Trends in Applied and Computational Mathematics 5: (2004). 5. A.V. Cardona, R. Vasques, J.V.P. Oliveira. Solução LTA n para o problema de transporte em uma placa com uma fonte arbitrária e altas ordens de quadratura. Proceedings of XXVI CNMAC: Congresso Nacional de Matemática Aplicada e Computacional in São José do Rio Preto, Brazil, September A.V. Cardona, R. Vasques. Aumentando a eficiência computacional do Método LTA n. Proceedings of XXVI CNMAC: Congresso Nacional de Matemática Aplicada e Computacional in São José do Rio Preto, Brazil, September R. Vasques, C.F. Segatto, M.T. Vilhena. The LTS n solution for the neutron transport equation in spherical geometry. Proceedings of 18 th ICTT: International Conference on Transport Theory in Rio de Janeiro, Brazil, July A.V. Cardona, M.T. Vilhena, J.V.P. Oliveira, R. Vasques. The one-dimensional LTA n solution in a slab with high order of quadrature. Proceedings of 18 th ICTT: International Conference on Transport Theory in Rio de Janeiro, Brazil, July J.R. Zabadal, R. Vasques, A. Haag, C.F. Segatto. Simulação da dispersão de poluentes em meio aquático usando álgebra de Lie. Ciência & Natura Ep: (2002). RECENT PRESENTATIONS Nonclassical Transport Theory and Applications Department of Nuclear Engineering & Radiological Sciences, University of Michigan, Ann Arbor, MI, February Department of Engineering Physics, University of Wisconsin Madison, Madison, WI, January School of Nuclear Science and Engineering, Oregon State University, Corvallis, OR, January Department of Mechanical and Aerospace Engineering, Ohio State University, Columbus, OH, December Nonclassical Simplified P N Equations Department of Nuclear Engineering, University of California, Berkeley, CA, October Nonclassical Particle Transport in the 1-D Diffusive Limit ANS Annual Meeting, New Orleans, LA, June The Nonclassical Linear Boltzmann Equation and Applications to Particle Transport Department of Mathematics, University of Dayton, OH, April Nonclassical Particle Transport Department of Nuclear Engineering, University of California, Berkeley, CA, October Solving the 1-D nonclassical transport equation MathCCES, RWTH Aachen University, Aachen, Germany, September Boundary conditions for the 1-D non-classical transport equation 24 th International Conference on Transport Theory, Taormina, Italy, September On the accuracy of the non-classical transport equation in 1-D random periodic media Joint International Conference on Mathematics and Computation, Supercomputing in Nuclear Applications and the Monte Carlo Method, Nashville, Tennessee, April 2015.

6 Transport in Stochastic Media and the Non-Classical Boltzmann Equation Department of Nuclear Engineering, University of California, Berkeley, CA, March Stochastic Transport Theory and Applications Joint Mathematics Meeting, San Antonio, TX, January 2015.