CEMAT - Membro

Membros > Membros doutorados

Svilen S. Valtchev

Morada Institucional

Instituto Politécnico de Leiria
Escola Superior de Tecnologia e Gestão (ESTG)
Campus 2
Morro do Lena - Alto do Vieiro
Apartado 4163
2411 - 901 LEIRIA

Telefone: | Email: ssv@math.ist.utl.pt

Posição

Professor Adjunto, Instituto Politécnico de Leiria

Área

Análise Aplicada e Numérica

Área Principal

Métodos Numéricos para Equações Diferenciais

Outra Área

Métodos Sem Malha

Qualificações

Doutoramento em Matemática (Análise Numérica e Aplicações), Instituto Superior Técnico, Universidade de Lisboa, Portugal (2008)
Licenciatura (5 anos) em Matemática Aplicada e Computação, Instituto Superior Técnico, Universidade de Lisboa, Portugal (2002)

ORCID Author ID: 0000-0002-3474-2788

SCOPUS Author ID: 8361079200

Artigos em Revistas Internacionais

Alves, Carlos J. S.; Martins, Nuno F. M.; Valtchev, Svilen S. (2019) Domain decomposition methods with fundamental solutions for Helmholtz problems with discontinuous source terms . Computers and Mathematics with Applications: (online).

Valtchev, Svilen S. (2018) A meshfree method with plane waves for elastic wave propagation problems . Engineering Analysis with Boundary Elements: 92, 64-72.

Alves, Carlos J. S.; Martins, Nuno F. M.; Valtchev, Svilen S. (2018) Trefftz methods with cracklets and their relation to BEM and MFS . Engineering Analysis and Boundary Elements: 95, 93-104.

Alves, Carlos J. S.; Valtchev, Svilen S. (2018) On the application of the method of fundamental solutions to boundary value problems with jump discontinuities . Applied Mathematics and Computation: 320, 61–74.

Alves, Carlos J. S.; Martins, Nuno F. M.; Valtchev, Svilen S. (2017) Extending the method of fundamental solutions to non-homogeneous elastic wave problems . Applied Numerical Mathematics: 115, 299-313.

Antunes, Pedro R. S.; Valtchev, Svilen S. (2010) A Meshfree Numerical Method for Acoustic Wave Propagation Problems in Planar Domains with Corners and Cracks . Journal of Computational and Applied Mathematics: 234(9), 2646-2662.

Valtchev, Svilen S. ; Roberty, Nilson C. (2008) A Time-Marching MFS Scheme for Heat Conduction Problems . Engineering Analysis with Boundary Elements: 32(6), 480-493.

Diogo, Teresa; Lima, Pedro M.; Ford, Neville J.; Valtchev, Svilen S. (2006) Numerical Methods for a Volterra Integral Equation with Non-smooth Solutions . Journal of Computational and Applied Mathematics: 189(1-2), 412–423.

Alves, Carlos J. S.; Valtchev, Svilen S. (2005) Numerical Comparison of Two Meshfree Methods for Acoustic Wave Scattering . Engineering Analysis with Boundary Elements: 29(4), 371-382.

Artigos ou Capítulos em Livros Editados

Valtchev, Stanimir S.; Valtchev, Svilen S. (2018) Control for the Contactless Series Resonant Energy Converter . Emerging Capabilities and Applications of Wireless Power Transfer, 102-140.

Mudrov, M.; Zyuzev, A.; Konstantin, N.; Valtchev, Stanimir S.; Valtchev, Svilen S. (2017) Hardware-in-the-loop system numerical methods evaluation based on brush DC-motor model . Proceedings of the International Conference on Optimization of Electrical and Electronic Equipment (OPTIM) and 2017 International Aegean Conference on Electrical Machines and Power Electronics (ACEMP), 428-433.

Valtchev, Svilen S. ; Alves, Carlos J. S. (2017) Extending the method of fundamental solutions to potential problems with discontinuous boundary conditions . Advances in Boundary Element & Meshless Techniques XVIII, 132-137.

Valtchev, Stanimir S.; Valtchev, Svilen S. (2012) Experimental study of the energy portions control in series resonant converter . Proceedings of the 13th International Conference on Optimization of Electrical and Electronic Equipment (OPTIM), 827-832.

Madeiros, Rui; Valtchev, Stanimir S.; Valtchev, Svilen S. (2012) The efficient and stable charging of electric vehicle batteries: simplified instantaneous regulation . Technological Innovation for Value Creation: IFIP Advances in Information and Communication Technology, IFIP Advances in Information and Communication Technology, Springer Berlin Heidelberg: 372, 363-374.

Valtchev, Stanimir S.; Madeiros, Rui; Valtchev, Svilen S. ; Klaassens, Ben (2011) An Instantaneous Regulation for the Wired and Wireless Super-Resonant Converters . Proceedings of the 33rd International Telecommunications Energy Conference (INTELEC), 1-8.

Valtchev, Stanimir S.; Valtchev, Svilen S. (2010) Improved strategy for an instantaneous super-resonant converter regulation . Proceedings of the 12th International Conference on Optimization of Electrical and Electronic Equipment (OPTIM): 5510484, 631-638.

Valtchev, Svilen S. (2010) Asymptotic Analysis of the Method of Fundamental Solutions for Acoustic Wave Propagation . Proceedings of International Conference of Numerical Analysis and Applied Mathematics (ICNAAM 2010), 19–25 September 2010, Rhodes, Greece: 1281, 1179-1182.

Alves, Carlos J. S.; Valtchev, Svilen S. (2007) A Kansa Type Method Using Fundamental Solutions Applied to Elliptic PDEs . Advances in Meshfree Techniques (Ed. Leitao, Vma et Al.). Computational Methods in Applied Sciences: 5, 241-256.

Alves, Carlos J. S.; Valtchev, Svilen S. (2006) Comparison between meshfree and boundary element methods applied to BVPs in domains with corners . III European Conference on Computational Mechanics.

Comunicações em Actas de Conferência

Valtchev, Svilen S. ; Alves, Carlos J. S. (2017) Applying the Method of Fundamental Solutions to Harmonic Problems with Singular Boundary Conditions . AIP Proceedings of the ICNAAM 2016: 1836, 560020.

Valtchev, Svilen S. ; Alves, Carlos J. S.; Martins, Nuno F. M. (2014) A Meshfree Method with Fundamental Solutions for Inhomogeneous Elastic Wave Problems . Proceedings of the 6th International Conference on Numerical Analysis (NumAn 2014), September 2-5, Chania,Greece.

Valtchev, Stanimir S.; Miletiev, R.; Arnaoudov, Rumen; Valtchev, Svilen S. (2009) Control strategy for efficient operation of super-resonant SLSR (contactless) converters . Procieedings of the XLIV International Scientific Conference on Information, Communication and Energy Systems and Technologies, 527-530.

Valtchev, Svilen S. (2008) A mesh free numerical method for acoustic wave propagation problems in planar domains with corners and cracks . Proceedings of the IWANASP.

Valtchev, Svilen S. ; Roberty, Nilson C. (2007) A hybrid FDM-MFS method for the numerical solution of heat transfer problems . Proceedings of the ECCOMAS thematic conference on Meshless methods.

Alves, Carlos J. S.; Valtchev, Svilen S. (2007) The plane waves method as an asymptotic MFS . Proceedings of the MFS2007.

Alves, Carlos J. S.; Valtchev, Svilen S. (2005) A Kansa type method using fundamental solutions applied to elliptic PDEs . Proceedings of the ECCOMAS thematic conference on Meshless methods.

Alves, Carlos J. S.; Valtchev, Svilen S. (2005) A Kansa type method using fundamental solutions applied to second order elliptic PDEs . Proceedings of the ICCES'05.

Alves, Carlos J. S.; Valtchev, Svilen S. (2004) Resolucao numerica de problemas de difraccao acustica nao homogeneos atraves de dois metodos sem malha . Proceedings of the VIIIth Congress on Applied and Computational Mechanics & VI Congresso de Metodos Numericos en Ingeniaria.

Diogo, Teresa; Lima, Pedro M.; Valtchev, Svilen S. (2003) Numerical methods for a non-uniquely solvable Volterra integral equation . Proceedings of the XXIVth Iberian Latin-American Congress on Computational Methods in Engineering (XXIV CILAMCE).

Diogo, Teresa; Valtchev, Svilen S. (2003) Collocation methods for a Volterra integral equation with multiple solutions . Fundamental Physical- Mathematical Problems and Modelling of Technological Systems: 6.

Alves, Carlos J. S.; Valtchev, Svilen S. (2003) Resolucao numerica de problemas de difraccao de ondas acusticas usando resultados de densidade de ondas planas e de solucoes fundamentais . Proceedings of the VIIth Congress on Applied and Computational Mechanics, 2139–2148.

Alves, Carlos J. S.; Valtchev, Svilen S. (2003) Numerical simulations of acoustic wave scattering using a meshfree plane wave method . Proceedings of the International Workshop on Meshfree Methods, Instituto Superior Tecnico, Portugal, 215-220.

Diogo, Teresa; Valtchev, Svilen S. ; Lima, Pedro M. (2003) Numerical solution of a singular Volterra integral equation by piecewise polynomial collocation . Proceedings of the IXth International Conference on Enhancement and Promotion of Computational Methods in Engineering and Science (EPMESC IX).

Teses

Valtchev, Svilen S. (2008) Numerical analysis of methods with fundamental solutions for acoustic and elastic wave propagation problems . PhD Thesis, Instituto Superior Tecnico, University of Lisbon.

Valtchev, Svilen S. (2002) Metodos numericos para uma equacao integral de Volterra com infinitas solucoes . Diploma Thesis, Instituto Superior Tecnico, University of Lisbon.

Conferências

ECOMMAS Thematic Conference on Meshless Methods (2005) Lisbon, Portugal (Comissão Organizadora)

17th International Conference on Power Electronics and Motion Control (2016) Varna, Bulgaria (Comissão Organizadora)

International Conference on Trefftz and MFS Methods (2019) Lisbon (Comissão Organizadora, Comissão Científica, Comissão Editorial)

155th European Study Group with Industry (2019) Leiria (Comissão Organizadora, Comissão Científica, Comissão Editorial)