Principia está presente en un amplio abanico de sectores industriales, especialmente gas y petróleo, energía eólica, ingeniería civil, ingeniería mecánica, aeroespacial/defensa, energía nuclear, etc. Dentro de la mecánica aplicada las disciplinas que ejerce se centran en el área mecánico-estructural, con actividad también notable en sismología, dinámica de fluidos e ingeniería geotécnica.

Un elevado porcentaje de nuestros proyectos incluye actividades de investigación y desarrollo. Las nuevas tecnologías en muchas áreas, desde la generación de energía a los procesos de fabricación, motivan a menudo los encargos de nuestros clientes. También participamos con frecuencia en proyectos internacionales de investigación.

Los problemas a los que nos dedicamos suelen ser poco frecuentes a la par que complejos de analizar, lo que justifica acudir a un consultor especializado. Nuestro alto grado de especialización nos permite optimizar la solución de estos problemas para nuestros clientes.

Adicionalmente, Principia comercializa y da soporte en España y Portugal a los productos SIMULIA de Dassault Systèmes. Entre ellos se encuentra el conocido programa de elementos finitos Abaqus, especialmente potente para resolver problemas dinámicos y no lineales, que Principia emplea en la mayor parte de su actividad como consultor.

Áreas

Impactos y deformaciones
Procesos de fabricación
Terremotos y vibraciones
Fluidos y fluido-estructura
Geotecnia y minería
Ingeniería forense
Efectos térmicos y químicos
Peligrosidad y riesgo

Historia

history point Principia

1979

Se funda en Londres Principia Mechanica Ltd.

history point Principia

1984

Principia comienza a operar como empresa española.

history point Principia

1988

Agente del programa Abaqus en España y Portugal.

history point Principia

2011

Partner de Dassault Systèmes en España y Portugal.

Equipo

Principia se basa actualmente en un equipo de 12 personas, 9 ingenieros y 3 de administración y ventas. Se trata de un equipo muy estable y altamente cualificado.

De los 9 ingenieros de diversas ramas, 8 están en posesión del título de doctor. La experiencia media del personal técnico es de 20 años y su antigüedad media en Principia es de 16 años.

María José Crespo, Directora de Proyectos en PrincipiaMaría José Crespo
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Luis Lacoma, doctor en Ingeniería Industrial Luis Lacoma
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Joaquín Martí, Director de Principia Joaquín Martí
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Francisco Martínez, Director de Operaciones de PrincipiaFrancisco Martínez
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Rocío Núñez, responsable de gestión de productos SIMULIA en PrincipiaRocío Núñez
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Javier Reboul es Ingeniero Industrial, Master en Ingeniería Mecánica y Doctor Ingeniero en Ingeniería Mecánica y Organización IndustrialJavier Reboul
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Francisco Riera, Director de Proyectos de PrincipiaFrancisco Riera
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Javier Rodríguez, Director Técnico de Principia Javier Rodríguez
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Pablo González
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Publicaciones

2017

Rodríguez, J. Riera, F. and Plaza, J. (2017) “Modelling Rubber Bushings Using the Parallel Rheological Framework”, Science in the Age of Experience Conference, Chicago, USA.

Riera, F., Rodríguez, J., Martínez, F., and Martí, J. (2017) “Simulación de Impactos sobre Láminas de Material Compuesto”, Materiales Compuestos, Revista de la Asociación Española de Materiales Compuestos, vol. 1, no. 1, June, pp. 18-25.

Riera, F., Rodríguez, J., Martínez, F., and Martí, J. (2017) “Simulación de Impactos sobre Láminas de Material Compuesto”, MATCOMP 2017 Congreso Nacional de Materiales Compuestos, San Sebastián (Spain), 21-23 June, pp. 1-9.

Rodríguez, J., Lacoma, L., Niepceron, J., and Cheriguene, R. (2017) “Fire Tests on Loaded Steel-Concrete Composite Slabs”, NWC-17 NAFEMS World Congress, Stockholm (Sweden), 11-14 June.

Crespo, M.J., Palao, A., Lacoma, L., Tintoré, A., and Fernández, A.M. (2017) “Mapas de Peligrosidad frente a Maremotos en las Costas Españolas”, Reducción del Riesgo de Desastres, Revista Digital de la DG de Protección Civil y Emergencias, January-April.

Rodríguez, J. and Lacoma, L. (2017) “Thermal Simulation of Fire Tests on Steel-Concrete Composite Slabs”, NAFEMS Seminar, Madrid, 23 February.

Lacoma, L. Rodríguez, J. Martínez, F. and Martí, J. (2016) “Optimised Design of Foundations for Wind Towers”, Science in the Age of Experience Conference, Boston, USA, pp. 1-12.

Sánchez-Cabañero, J.G., Crespo, M.J., and Pérez, R. (2015) “Past is the Key of the Present. A Geological Principle as Bayesian Philosiphy Applied for Seismic Hazard Analysis”, OECD Workshop on Testing PSHA Results and Benefit of Bayesian Techniques for Seismic Hazard Assessment, Pavia (Italy), 4-6 February.

Martínez, F., Astiz, M.A., Fernández, R. (2015) “Design of an LNG Tank for Accidental Loads in Finland”, IABSE Workshop on Safety, Robustness and Condition Assessment of Structures, Tuusula (Finland), February 11th – 12th.

Crespo, M.J., Rodríguez, J., Lacoma, L., Martínez, F., and Martí, J. (2015) “Experience and Lessons Learnt from the SMART 2013 Benchmark”, SIMULIA Community Conference, Berlin, Germany, 19-21 May, pp. 1-15.

Borgerhoff, M. Rodríguez, J. Schneeberger, C. Stangenberg, F. and Zinn, R. (2015) “Knowledge from Further IMPACT III Tests of Reinforced Concrete Slabs in Combined Bending and Punching” SMiRT-23, 23rd International Conference on Structural Mechanics in Reactor Technology, Manchester, United Kingdom, 10-14 August.

Afkari, D., Gabaldón, F. (2015) “Fluid-solid interaction in arteries incorporating the autoregulation concept in boundary conditions”, Computer Methods in Biomechanics and Biomedical Engineering, Volume 19, Issue 9, 17th September.

Crespo, M.J. Rodríguez, J. Lacoma, L. Martínez, F. Martí J. (2015) “Enseñanzas Derivadas del Benchmark SMART 2013”, 41 Reunión Anual de la Sociedad Nuclear Española, La Coruña, 23-25 septiembre.

Crespo, M.J. (2015) “Integration of Fault Rupture Models in Seismic Hazard Analysis. A Perspective from the Consultancy Side”, IAEA Workshop on Best Practices in Physics-based Fault Rupture Models for Seismic Hazard Assessment of Nuclear Installations, Vienna (Austria), 18-20 November.

González, P., Rodríguez, J., Martí, J., and Martínez, F. (2014) “Analysis of Pressure Transients and Cavitation in a Distributor”, SIMULIA Community Conference, Providence, Rhode Island, USA, 20-22 May.

Crespo, M.J., Martínez, F., and Martí, J. (2014) “Seismic Hazards of the Iberian Peninsula – Evaluation with Kernel Functions”, Natural Hazards and Earth System Sciences. Discussions, No. 1, pp. 3763-3811, ISSN 2195-9269, 23 May. (http://www.nat-hazards-earth-syst-sci.net/14/1309/2014/nhess-14-1309-2014.pdf)

González, P., Riera, F., and González, J. (2014) “Numerical Calibration of the Mechanical Properties of an Adhesive Material”, European Conference on Composite Materials, Seville, Spain, 22-26 June.

Zinn, R., Borgerhoff, M., Stangenberg, F., Schneeberger, C., Rodríguez, J., and Lacoma, L. (2014) “Analysis of Combined Bending and Punching Tests of Reinforced Concrete Slabs within IMPACT III Project”, EURODYN, IX International Conference on Structural Dynamics, Porto (Portugal), 30 June – 2 July.

Martí, J. (2014) “Editorial: Whence and Whereto?”, Environmental Geotechnics, Vol. 1, Issue EG3, August, ICE Institution of Civil Engineers, p. 135.

Crespo, M.J., Silva, P., and Sánchez-Cabañero, J.G. (2014) “Guía de Seguridad SSG-9 y Documentos Técnicos de Apoyo”, 40ª Reunión Anual de la Sociedad Nuclear Española, Valencia (Spain), 1-3 October.

Crespo, M.J., Martí, J., and Martínez, F. (2014) “Incorporación de Actividad Sísmica no Reflejada en el catálogo en Métodos no Zonificados”, Iberfault 2014 – 2ª Reunión Ibérica sobre Fallas Activas y Paleosismología, Lorca, Murcia (Spain), 22-24 October, pp. 1-4.

Afkari, D., Gabaldón, F., and Rodríguez, J. (2014) “Comparison of Implicit and Explicit FSI Coupling Strategies in Cardiovascular System”, IV Reunión del Capítulo Español de la Sociedad Europea de Biomecánica (ESB), Valencia (Spain), 20-21 November.

Rodríguez, J., Martínez, F., Martí, J., (2013), “Concrete Constitutive Model, Calibration and Applications”, 2013 SCC SIMULIA Customer Conference, Viena, 22-24 May.

Rodríguez, J., Martí, J., Martínez, F., Schneeberger, C., Zinn, R., (2013), “Analysis of Punching of a Reinforced concrete Slab within IRIS_2012”, SMIRT, 18-23 August.

Rodríguez, J., Crespo, M.J., Lacoma, L.M., Martínez, F., and Martí, J. (2012) “Fluid-Structure Interaction in Civil Engineering Structures”, 2012 SCC SIMULIA Customer Conference, Providence, RI, USA, 15-17 May.

Rodríguez, J., González, P., Martínez, F., and Martí, J. (2012) “Concrete Swelling in a Double Curvature Dam”, ICAAR-2012, 14th International Conference on Alkali-Aggregate Reaction, Austin, Texas, 20-25 May.

Gonzalez, J., Rodriguez, M.C., Riera, F., Gonzalez, P. (2012) “Design of Stringer Run-out by Numerical Simulation”, 7th International Technical Conference & Forum, Society for the Advancement of Material and Process Engineering (SAMPE), Lucerne, Switzerland, 19-20 September.

Crespo, M.J., Martí, J., and Martínez, F. (2012) “Seismic Activity Rates in the Iberian Península”, 15th World Conference on Earthquake Engineering , Lisbon, Portugal, 24-28 September.

Afkari, D.,Crespo, M.J., Lacoma, L., Martí, J., Martínez, F., and Rodríguez, J. (2012) “Results of Team 074”, Blind Test Challenge, 15th World Conference on Earthquake Engineering, Lisbon, Portugal, 24-28 September, published on CD.

Lacoma, L., Rodríguez, J., Martí, J., and Martínez, F. (2012) “Simulation of Temperatures and Stresses during Construction of a RCC Dam”, 6th International Symposium on Roller Compacted Concrete (RCC) Dams, Zaragoza, Spain, 23-25 October, ISBN 978-84-89567-18-2, published on CD, 10 p.

Rodríguez, J., Martínez, F., and Martí, J. (2012) “Calibración de Modelos Constitutivos de Hormigón”, XVI Reunión de Usuarios de SIMULIA, Madrid, Spain, 12-13 November, published on CD.

Afkari, D., Gabaldón, F., and Rodríguez, J. (2012) “Pulsatile Blood Flow-Split in Aortic Arch Dissection”, CASEIB – Congreso Anual de la Sociedad Española de Ingeniería Biomédica, 19-21 November, San Sebastián, Spain

Rodríguez, J., Martínez, F., and Martí, J. (2011) “Integral Bridge for High-Speed Railway”, Structural Engineering International , Vol. 21, No. 3, pp. 297-303, ISSN 1016-8664.

Rodríguez, J., González, P., Martínez, F., and Martí, J. (2011) “Concrete Swelling in Existing Dams”, 2011 SCC SIMULIA Customer Conference , Barcelona, Spain, 17-19 May.

Crespo, M.J., Martínez, F., and Martí, J. (2011) “Peligrosidad Sísmica en la Península Ibérica”, 4CNIS, 4º Congreso Nacional de Ingeniería Sísmica, Granada, Spain, 18-20 May, ISBN 978-84-338-5195-6.

Rodríguez, J., González, P., Martínez, F., and Martí, J. (2011) “Concrete Swelling in Two Spanish Dams”, XI ICOLD Benchmark Workshop on Numerical Analysis of Dams, Open Technical Section, Valencia, 20-21 October.

Rodríguez, J., Lacoma, L., Martínez, F., and Martí, J. (2011) “Contribution to Theme A of the Benchmark Workshop: Effect of Concrete Swelling on the Equilibrium and Displacements of an Arch Dam”, XI ICOLD Benchmark Workshop on Numerical Analysis of Dams, Valencia, 20-21 October.

Rodríguez, J. and Merodio, J. (2011) “A New Derivation of the Bifurcation Conditions of Inflated Cylindrical Membranes of Elastic Material under Axial Loading. Application to Aneurysm Formation”, Mechanics Research Communications, vol. 38, pp. 203-210.

Martí, J., Crespo, M., and Martínez, F. (2010) “Seismic Isolation of Liquefied Natural Gas Tanks: a Comparative Assessment”, Journal of Seismic Isolation and Protective Systems, Vol. 1, No. 1, pp. 125-140, ISSN 2150-7902.

Rodríguez, J., Martí, J., and Martínez, F. (2010) “Post-cracking Behaviour of a Wind Turbine Concrete Tower”, 2010 SCC SIMULIA Customer Conference , Providence, RI, USA, 25-27 May.

Martí, J. (2009) “Consideraciones Sísmicas de Tanques de GNL”, Jornadas sobre Dinámica y Vibración en Ingeniería Civil, Centro de Estudios y Experimentación de Obras Públicas CEDEX, Madrid, 23-24 junio.

Rodríguez, J., Martí, J. y Serna, J. (2009) “Comportamiento Dinámico de una Torre de Hormigón”, Congreso de Métodos Numéricos en Ingeniería, Barcelona, 29 junio – 2 julio.

Martí, J., Crespo, M.J., and Martínez, F. (2009) “Diseño y Verificación de la Cimentación de los Tanques de GNL de Dahej (India)”, Revista Escuela de Minas de Madrid. Ingenieros de Energía, Minas y Geología , no. 6, pp.142-151, ISSN 1889-4739.

Martí, J., Martínez, F., Kanekura, T, Takuwa, D and Singh, R. (2008) “Design and Verification of the Foundations of the Dahej LNG Tanks” 12th IACMAG Conference, Goa (India) 1-6 October.

Crespo, M.J., Martí, J. y Martínez, F. (2007) “Peligrosidad Sísmica en la Zona Central del Archipiélago Canario”, III CNIS: Congreso Nacional de Ingeniería Sísmica, Gerona, 8-11 mayo.

Martínez, F., Crespo, M.J. y Martí, J. (2007) “El Aislamiento Sísmico en Tanques de GNL”, III CNIS: Congreso Nacional de Ingeniería Sísmica, Gerona, 8-11 mayo.

Bergamo, G., Castellano, M. G., Gatti, F., Martí, J., Poggianti, A. and Summers, P. (2007) “Seismic Protection at Petrochemical Facilities: Main Results from INDEPTH Project, 10th World Conference on Seismic Isolation, Energy Dissipation adn Active Vibrations Control of Structures, Istambul, Turkey, 28-31 May.

Crespo, M.J. and Martí, J. (2007) “Piles in Soft Clay Subjected to Long-Duration Seismic Action”, Workshop on Earthquake Geotechnical Codes, 4th International Congress on Geotechnical Earthquake Engineering, Thessaloniki (Greece), 25-29 June.

Rodríguez, J., Goicolea, J.M. and Gabaldón, F. (2007) “A Volumetric Model for Growth of Arterial Walls with Arbitrary Geometry and Loads”, Journal of Biomechanics 40, 967-971.

Crespo, M., Omnes, S. and Martí, J. (2006) “Benefits of Seismic Isolation for LNG Tanks”, 13th European Conference on Earthquake Engineering, Geneva, Switzerland, 3-8 September.

Martí, J. (2005) “La Simulación Numérica en la Ingeniería Forense”, Keynote Lecture presented at the International Conference on Numerical Methods in Engineering, Granada, 4-7 July.

Martí, J. and Crespo, M. J. (2005) “Benefits of Seismic Isolation for LNG tanks”, International Seminar on Seismic Isolation and Energy Dissipation for the Protection of Petrochemical Facilities Against Earthquakes, Bologna, Italy, 31 August.

Crespo, M. J. and Martí, J. (2005) “Seismic Vulnerability of LNG Tanks”, International Seminar on Seismic Isolation and Energy Dissipation for the Protection of Petrochemical Facilities Against Earthquakes, Bologna, Italy, 31 August.

Rodríguez, J., Martínez, F., Martí, J. and Omnes, S. (2005) “Punto Frío y Fuga Mayor con Sismo de Operación en Tanques de Gas Natural Licuado”, X Spanish Users’ Meeting, Madrid, 11 November.

Rodríguez, J. and San Vicente, J.L. (2005) “Ejemplo de Aplicación de Rutinas de Usuario y Scripting en ABAQUS”, X Spanish Users’ Meeting, Madrid, 11 November.

Summers, P., Jacob, P., Martí, J., Bergamo, G., Dorfmann, L., Castellano, G., Poggianti, A., Karabalis, D., Silbe, H. and Triantafillou, S. “Development of New Base Isolation Devices for Application at Refineries and Petrochemical Facilities”, 13th World Conference on Earthquake Engineering, Vancouver, B.C., Canada, 1-6 August.

Crespo, M.J. and Martí, J. “Metodología con y sin Zonas para 5 Emplazamientos y Comparación con la NCSE”, II Congreso Nacional de Ingeniería Sísmica, Málaga, 1-4 April. Summary.

Gatti, F., Dorfmann, L., Poggianti, A., Castellano, G., Martí, J., Summers, P., Karabalis, D., Silbe, H. y Skandalis, N. “The EC-Funded Project INDEPTH”, 8th World Seminar on Seismic Isolation, Energy Dissipation and Active Control of Vibrations of Structures, Yerevan, Armenia, 6-10 octubre.

San Vicente, J.L. and Martínez, F. “Study of Human Induced Vibrations in a Footbridge”, Proceedings of the 3rd World Conference on Structural Control, Como, Italy, 7-12 Aprill.

San Vicente, J.L. and Martínez, F. “Pretest Analysis of a 1:4 Scale Prestressed Concrete Containment Vessel”, ABAQUS Users’ Conference, Newport, RI, EEUU, 28-31 May.

Riera, F. and Marti, J. “Demandas Físicas en una Cápsula de Almacenamiento”, V Congreso de Métodos Numéricos en Ingeniería, Madrid, 3-6 June.

Crespo, M.J., Martínez, F. and Martínez, A. “Diseño de un Absorbedor frente a Impactos”, V Congreso de Métodos Numéricos en Ingeniería, Madrid, 3-6 June.

Pérez-Rodriguez, J.L., Márquez, J., Pemán, S., Martí, J., San Vicente, J.L., Enríquez, C. and Álvarez, V. “Diseño de Bultos Tipo B para Transporte de Fuentes Radiactivas con Emisores Alfa y Neutrónicos”, 28 Reunión Anual de la Sociedad Nuclear Española, Salamanca, 11-13 September.

Crespo, M.J. and Martí, J. “The Use of a Zoneless Method in Four LNG Sites in Spain”, 12th European Conference on Earthquake Engineering, Londres, 9-13 September.

Crespo, M.J. and Martínez, F. “Diseño de un Absorbedor Frente a Impactos”, VII Spanish Users’ Meeting, Madrid, 8 November.

Martí, J., Martínez, F., Crespo, M.J. and Alcántara, D.G. “Cargas Anormales en Tanques de GNL”, II Congreso de ACHE de Puentes y Estructuras, Madrid, 11-15 November.

Martínez, F., Martí, J., San Vicente, J.L. and Alcántara, D.G. “Capacidad Última de una Contención Nuclear de Hormigón Pretensado”, II Congreso de ACHE de Puentes y Estrucutras, Madrid, 11-15 November.

Martí, J., Riera, F. and Martinez, F. “Back Analysis of the Progressive Failure of a Tailings Dam (Part I)”, ABAQUS Users’ Conference, 30 May – 1 June, Maastricht, Holland.

Martí, J., Riera, F. and San Vicente, J.L. “Dynamic Failure of a Dam Following Tailings Liquefaction (Part II)”, ABAQUS Users’ Conference, 30 May – 1 June, Maastricht, Holland.

Martí, J., Riera, F. and Mayoral, F. “Effects of Physical Demands on a Radwaste Canister”, 16th International Conference on Structural Mechanics in Reactor Technology SMiRT 16, Washington, EEUU, 12-17 August.

Martí, J., Riera, F. and Mayoral, F. “Impact of Dropped Elements on a Storage Rack”, 16th International Conference on Structural Mechanics in Reactor Technology SMiRT 16, Washington, EEUU, 12-17 August.

San Vicente, J.L., Beltrán, F. and Martí, J. “Ultimate Capacity of Expansion Bellows in a BWR Containment”, 16th International Conference on Structural Mechanics in Reactor Technology SMiRT 16, Washington, EEUU, 12-17 August.

Summers, P.B., Dorfmann, L., and Martí, J. (2001) “Overview of Application of Innovative Earthquake-Resistant Design and Retrofit at Oil Refineries and Petrochemical Facilities”, 7th International Seminar on Seismic Isolation, Passive Energy Dissipation and Active Control of Vibrations of Structures, Assissi, Italy, 2-5 October.

Dorfmann, L., Summers, P.B., Jacob, P.P., and Martí, J. (2001) “Review of Analytical and Numerical Methods for Seismic Evaluation of Some High Risk Components of Petrochemical Facilities”, 7th International Seminar on Seismic Isolation, Passive Energy Dissipation and Active Control of Vibrations of Structures, Assissi, Italy, 2-5 October.

Crespo, M.J. and Martí, J. “Estudio Sísmico de un Túnel sobre Pilotes”, VI Spanish Users’ Meeting, Zaragoza, 16 November.

Riera, F. and San Vicente, J.L. “Análisis de Impacto en la Industria del Ferrocarril con ABAQUS/Explicit”, VI Spanish Users’ Meeting, Zaragoza, 16 November.

San Vicente, J.L., Beltrán, F.J. and Martínez, F. “Simulation of Impact on Composite Fuselage Structures”, Proceedings of Eccomas 2000, Barcelona, 11-14 September.

San Vicente, J.L., Beltrán, F.J. and Martí, J. “Capacidad Última de los Fuelles de Expansión en un Reactor BWR”, 26 Reunión de la Sociedad Nuclear Española,. León, Spain, 5-7 October.

Crespo, M.J. and Martí, J. “Efectos Térmicos del Fraguado del Hormigón en una Presa”, V Spanish Users’ Meeting, Madrid, 17 November.

Martínez, F., Martí, J. and Simic, D. (1999) “Evaluación Analítica del Potencial de Licuefacción”, 1st National Conference on Earthquake Engineering, Murcia, Spain, April 12-16.

Martinez, F., Martí, J. and Simic, D. “Analytical Assesment of Ground Liquefaction”, ABAQUS Users’ Conference, Chester, UK, 26 – 28 May, pp. 577-594.

Gago, J.A., Grandal, R., Lapucci, A., Martí, J. and Martínez, J.E. “Design and Licensing of a Dual Purpose Cask in España”, International Journal of Radioactive Materials Transport, vol. 9, no. 1, pp. 25-34.

Martí, J. (1998) “Análisis de Riesgos en el Ámbito de la Carretera”, XXIII Semana de la Carretera, Canarias, Spain, October 5-9.

Seyfferth, A. “Peligrosidad de Huracanes en el Caribe. Variación Temporal de la Actividad en la Cuenca Atlántica”, MAPFRE, Mimeo, Madrid, Spain, July.

Beltrán, F., Martí, J. and Robledo, F. “Containment Loads and Containment Structural Analysis”, Eurocourse on Analysis of Severe Accidents in LWRs, Madrid, España, October.

Baldó, O., Beltrán, F. and Mateos, A. “Analytical Study of a Rubber-Pad Forming Process”, Wprld ABAQUS Users’ Conference, Newport, EEUU, May.

Gabaldón, F., Goicolea, J.M. and Martínez, F. “Análisis de la Contribución de los Modos Incompatibles en Problemas de Localización”, III Congreso de Métodos Numéricos en Ingeniería, Zaragoza, Spain, 3-6 June, pp. 897-906.

Martínez, F., Goicolea, J.M. and Marín, J. “Localización de Deformaciones en Probetas de Hormigón”, III Congreso de Métodos Numéricos en Ingeniería, Zaragoza, Spain, 3-6 June, pp. 917-925.

Martí, J., Martínez, F. and Mayoral, F. “A Simplified Procedure for Analysis of Flask Impact”, Fourth International Conference on Structures under Shock and Impact SUSI 96, Udine, Italy, 3-5 July.

Beltrán, F. and Martí, J. “Earthquake Response of and Arch Dam Including the Nonlinear Effects of Contraction Joint Opening”, 4th ICOLD Benchmark Workshop on Numerical Analysis of Dams, Madrid, Spain, September.

Durán, J. and Martí, J. “Seminar on Principles and Methodology for Improved Management of Cooling Water Reservoirs in South Ukraine NPP”, Meeting of the Ukraine Nuclear Society, Odessa, Ucrania, 14-16 October.

Beltrán, F., Rico, G., Martí, J. and McCreesh, G. “A Study of Aircraft Impact on a Spent Fuel Flask”, 22nd Annual Meeting of the Spanish Nuclear Society, Santander, Spain, 22-26 October.

Mayoral, F., de Blas, R. and Martí, J. “An Improved Protection System against Ship Impact”, 4th International Colloquium on the Fixed Link across the Strait of Gibraltar, Sevilla, España, 16-18 May.

López Arroyo, A., Martí, J. and Kunar, R.R. “Risks Associated to Fixed Link across the Strait of Gibraltar”, 4th International Colloquium on the Fixed Link across the Strait of Gibraltar, Sevilla, Spain, 16-18 May.

Martínez, F., Rico, G., Franganillo, A. and Climent, H. “Bird Impact on an Aircraft Leading Edge”, ABAQUS Users’ Conference, Paris, Francia, 31 May – 2 June, pp. 565-577.

Azkárate, I. and Martí, J. “Comportamiento Estructural y Selección de Materiales Metálicos para Cápsulas: Parámeteros y Ensayos”, 2nd ENRESA Workshop on R&D, Madrid, Spain, 13-15 June.

Vázquez, J.M., Beltrán, F. J., Martí, J. and Martínez, F. “Swelling of Spent Fuel Storage Tubes”, 13th International Conference on Structural Mechanics in Reactor Technology SMiRT 13, Vol IV, pp. 401-406, Porto Alegre, Brasil, 13-18 August.

Martí, J., González, G., Martínez, F. and Mayoral, F. “A Simplified Procedure for Analaysis of Flask Impact”, International Seminar on Waste Repository Technology and Management, Iguazú, Argentina, 21-23 August.

Castro, F., Muñoz, J.A., Junquera, A., Beltrán, F. and González, G. “Modelo Numérico para un Material Compuesto Ortótropo no Lineal”, Congreso Nacional de Materiales Compuestos, Sevilla, Spain, November.

Martínez, F., Goicolea, J.M., and Ortiz, M. “Numerical Analysis of Strain Localization in Concrete Specimens under Different Loading Paths”, Computational Plasticity. Fundamentals and Applications (ed. D.R. Owen, E. Oñate y E. Hinton), Vol II, pp. 2373-2384.

Baldó, O., Mateos, A., Beltrán, F.J. and Rico, G. “Superplastic Forming with `ABAQUS`”, Proceedings of the ABAQUS Users’ Conference, Newport, RI, EEUU, 1-3 June, pp. 95-109.

Martínez, F. “Análisis de Fenómenos de Localización en Materiales Cohesivo Friccionales”, Informes de la Construcción, vol. 46, no. 432, July-August, pp. 45-56.

Beltrán, F.J., Gómez-Cano, F., García-Monge, J., Suárez, J. and Otero, M. “Evaluación del Margen Sísmico (IPEEE) de C.N. Vandellós II”, XX Reunión Anual de la Sociedad Nuclear Española, Córdoba, Spain, October.

Beltrán, F.J., Mateos, A. and Baldó, O. “Cálculo y Experimento en Procesos de Conformado Superplástico”, Anales de Ingeniería Mecánica, año 10, vol. 1, November, pp. 137-144.

Baldó, O., Díaz, J., Martínez, F., Beltrán, F.J., Mateos, A. and Rico, G. “Numerical Simulation of Superplastic Forming/Diffussion Bonding Processes”, Superplasticity Conference: 60 Years after Pearson, 7-8 December, Manchester, UK.

Martínez, F. and Goicolea, J.M. “Estudio de Algunos Problemas Básicos de Localización de Deformaciones Mediante Elementos Finitos”, Revista Internacional de Métodos Numéricos para Cálculo y Diseño en Ingeniería, vol. 10, no. 3, pp. 209-236.

Goicolea, J.M. and Martínez, F. “Low Velocity Impact of a Deformable Multi-Body System”, Third International Conference on Structures under Shock and Impact SUSI/94 (ed. P.S. Bulson), Computational Mechanics Publications, Southampton, UK.

Martínez, F., Goicolea, J.M. and Ortiz, M. “Numerical Analysis of Strain Localization in Concrete Specimens”, Proceedings of the International Conference of Computational Modelling of Concrete Structures EURO-C 1994 (eds. H. Mang, N. Bicanic y R. Borst), Vol. I, pp. 352-362.

Martí, J. “Capacidad Estructural de la Contención”, Cap. 17 en “Accidentes Serveros en Reactores de Agua Ligera”, (ed. A. Alonso), Universidad Politécnica de Madrid, Spain.

Martí, J. “Impact Analysis of Transport Flasks”, Cap. 8 en “Shock and Impact on Structures” (ed. C. Brebbia y V. Sánchez Gálvez), Computational Mechanics Publications, pp. 261-278.

Martínez, F., Beltrán, F., and Martí, J. (1993) “Simulación Numérica de la Formación de la Rosca de una Bombilla”, Conference on Numerical Methods in Engineering, La Coruña, Spain, June 7-10, pp. 1500-1509.

Mayoral, F. and Martí, J. (1993) “Ship Impact against Bridge Piers”, Eurodyn-93, II European Conference on Structural Dynamics, Trondheim, Norway, June 21-23.

Danisch, R., Delinic, K., Martí, J., and Trbojevic, V.M. (1993) “A Direct Method for Soil-Structure Interaction Analysis Based on Frequency-Dependent Soil Masses”, 12th International Conference on Structural Mechanics in Reactor Technology, Stuttgart, Germany, August 15-20, Vol. K1, pp. 151-156.

Martí, J., Beltrán, F., Martínez, F., and Mayoral, F. (1993) “Numerical Simulation of Impact Problems”, European Convex Users Conference FOC-93, Bilbao, Spain, October.

Mayoral, F. and Martí, J. (1993) “Análisis de un Sistema de Protección contra Impacto de Barcos”, Sismodinámica – Revista Internacional de Sismoingeniería y Dinámica Estructural, Vol. 3, pp. 39-58, ISSN 1051-6411.

Mayoral, F. and Martí, J. (1992) “Análisis de un Sistema de Protección de Pilas de Puentes contra Impacto de Barcos”, X National Conference on Mechanical Engineering, Madrid, Spain, September 16-18, Vol. III, pp. 39-58.

Mayoral, F. and Martí, J. (1992) “Sistema de Protección contra Impacto de Barcos “, Anales de Ingeniería Mecánica, Year 9, no. 3, pp. 19-24, ISSN 0212-5072.

Martínez, F., González, G., and Martí, J. (1991) “Seismic Analysis of an Earth Dam”, Fourth ABAQUS’s Users Conference, Oxford, UK, September 11-13, pp. 339-349.

Laín, R., Ramírez, P., and Martí, J. (1991) “Basic Failure Mechanics of an Inverse Rock Wedge in a Slope Subjected to Water Pressure and Seismic Forces”, International Conference on Rock Mechanics at Small Depths, Torino, Italy, October 31, pp. 229-243.

Vázquez, J.M., Beltrán, F., Martí, J., and Martínez, F. (1990) “Severe Accident Analysis of the Containment of a Mark I BWR”, Third Annual ABAQUS Users’ Conference, Newport, Rhode Island, USA, May 30 – June 1, pp. 483-502.

Beltrán, F., Martí, J., Jones, R.D., and Mason, T.P. (1990) “Mining in Rheologic Materials”, DYNA3D User Group Conference, Bournemouth, UK, September 18-19.

Vázquez, J.M., Creis, F., Beltrán, F., Martínez, F., Martí, J., de Blas, J., and Martín, M. (1990) “Evaluation of a Mark I Containment System Under Severe Accident Pressurization”, Second International Conference on Containment Design and Operation, Toronto, Canada, October 14-17.

Vázquez, J.M., Creis, F., Martí, J., Beltrán, F., and Martínez, F. (1990) “Análisis de la Capacidad Última de la Contención Mark I de Santa María de Garoña durante un Accidente Severo. Fase A: Pozo Seco”, XVI Annual Meeting of the Spanish Nuclear Society, Oviedo, Spain, October 24-26.

Trbojevic, V.M. and Martí, J. (1989) “How Reliable is your Design against Impact or Impulsive Loads?”, SUSI-89 International Conference on Structures under Shock and Impact, Cambridge, Mass., July 11-13, USA.

Llorente, J., Martí, J., and Goicolea, J.M. (1989) “Analysis of a Tube-Inversion Shock Absorbing System”, 2nd International Seminar on Impact, University of California at Los Angeles, California, USA, August 21-22.

Martínez, F., Martí, J., and Goicolea, J.M. (1989) “Evaluación de la Contención de Hormigón Armado: Sandia Escala 1:6”, XV Annual Meeting of the Spanish Nuclear Society, Alicante, Spain, October 23-25, Paper 16.07.

Martínez, F. and Martí, J. (1989) “Simulación de Efectos Sísmicos y Otras Sobrecargas Dinámicas”, International Meeting on Catastrophes and Society, Madrid, Spain, October 24-26.

Martínez, F., Martí, J., Nielsen, M.P., Trbojevic, V.M., and Young, A.G. (1989) “Review of Constitutive Models to Predict Plain and Reinforced Concrete Behaviour under Severe Loads”, in “Reactor Safety Research. The CEC Contribution”, Varese, Italy, 20-24 November, pp. 412-426, Elsevier Applied Science, ISBN 1851665153.

Laín, R., Ramírez, P., and Martí, J. (1989) “Tunnel Design in Jointed Rock”, Mintech’90, The Annual Review of International Mining Technology and Development, pp. 54-57.

Vázquez Sierra, J.M., Martí, J., and Molina, R. (1988) “A Multi-Step Approach for Evaluation of Pipe Impact Effects”, International Journal for Pressure Vessels and Piping, Vol. 31, January, pp. 15-28, ISSN 0308-0161, DOI: 10.1016/0308-0161(88)90024-5

Goicolea, J.M., Martí, J., Cortés, R., and Beltrán, F. (1988) “Modelización de Problemas de Impacto con Fractura”, V National Meeting on Fracture, Barcelona, Spain, April 25-26, pp. 137-156.

Clascá, J.R. de, Martí, J., Sharma, D., and Ruiz, J. (1988) “Análisis del Impacto de la Construcción de un Túnel bajo el Nivel Freático”, International Congress on Tunnels and Water, Madrid, Spain, June 12-15, ISBN 978-9061918219, pp. 69-78.

Martí, J. (1988) “Resolución Numérica de Problemas de Grandes Deformaciones Dinámicas”, Actas de la Reunión Matemática en Honor de A. Dou, Madrid, Spain, June 17, Editorial Universidad Complutense, Madrid, Spain, ISBN 8474912784, pp. 149-156.

Alonso, J., Martí, J., and Ramírez, P. (1988) “Analysis of Cavities in Salt Formations”, ISRM International Symposium on Rock Mechanics and Power Plants, Madrid, Spain, September 12-16, ISBN 9061918286.

Martí, J. and Goicolea, J.M. (1988) “Impactos y Grandes Deformaciones”, Revista de la Sociedad Nuclear Española, No. 68, September, pp. 23-27, ISSN 0214-1159.

Trbojevic, V.M. and Martí, J. (1988) “Impact Analysis of a Subsea Production System”, DYNA3D Users Group Conference 1988, London, UK, September 29.

Martí, J. (1988) “Simulación Numérica del Comportamiento Estructural de Materiales”, III Escuela de Otoño Hispano-Francesa de Simulación Numérica en Física e Ingeniería, Madrid, Spain, September 26-30.

Rubio, G., Sharma, D., and Martí, J. (1988) “Análisis de los Vertidos de Refrigeración”, Revista de la Sociedad Nuclear Española, No. 69, October, pp. 49-54, ISSN 0214-1159.

Macho, A. and Martí, J. (1988) “Design of Nuclear Containments in Spain”, International Atomic Energy Agency, IAEA TC Meeting, Moscow, Russia, October 17-21.

Martí, J. and Macho, A. (1988) “Research on Nuclear Containments in Spain”, International Atomic Energy Agency, IAEA TC Meeting, Moscow, Russia, October 17-21.

Martí, J., Goicolea, J.M., Beltrán, F., and Cortés, R. (1988) “Explicit Modelling of Impact and Penetration”, 2nd International Conference in Supercomputing in Automotive Research and Engineering Development, Sevilla, Spain, October 25-28.

Cortés, R., Martínez, F., and Martí, J. (1988) “Evaluación de Contenciones de Hormigón en Accidentes Severos”, XIV Annual Meeting of the Spanish Nuclear Society, Marbella, Spain, October 26-28, Paper 35.03.

Rubio, G., Martí, J., and Sharma, D. (1988) “The Effects of Vandellós II Cooling Water Discharges”, Revista de la Sociedad Nuclear Española, Invited Paper, International Issue, no. 71, December, pp. 44-48, December, ISSN 0214-1159.

Vázquez-Sierra, J.M., Marti, J., and Molina, R. (1988) “A Multi-Step Approach for Evaluation of Pipe Impact Effects”, International Journal of Pressure Vessels and Piping, Vol. 31, no. 1, pp. 15-28, DOI: 10.1016/0308-0161(88)90024-5

Martí, J., Goicolea, J., Kunar, R., and Alderson, M. (1987) “Impact Analysis of Transport Flasks”, International Conference on Nuclear Containment, Paper no. C-3, Cambridge, UK, 6-8 April.

Martí, J. and Mayoral, F. (1987) “Simulación del Comportamiento de Nuevos Materiales”, Workshop on New Materials, Oviedo, Spain, 19-21 May.

Vázquez Sierra, J.M., Martí, J., and Molina, R. (1987) “A Multi-Step Approach for Evaluation of Pipe Impact Effects”, 9th International Conference on Structural Mechanics in Reactor Technology, Paper no. F 2/7, Lausanne, Switzerland, 17-21 August.

Goicolea, J.M., Martí, J., Attalla, I., and Gratieux, C. (1987) “Modelling of Reinforced Concrete Containments during Impact Loading”, IMPACT87 International Conference on Effects of Fast Transient Loadings in the Context of Structural Mechanics, Lausanne, Switzerland, 26-27 August, ed. Balkema, Rotterdam, Netherlands, pp. 333-342.

Goicolea, J.M., Martí, J., and Beltrán, F. (1987) “Análisis de Impacto de Contenedores de Transporte”, XIII Annual Meeting of the Spanish Nuclear Society, La Toja, Spain, 7-9 October, Vol. 3, pp. A/201-A/216.

Goicolea, J.M. and Martí, J. (1986) “Modelos Numéricos No-Lineales mediante Integración Explícita”, II Symposium of Engineering Applications of the Finite Element Method, Barcelona, Spain, 9-12 June, pp. A201-A216.

Blanco, O., Goicolea, J.M., Ramírez, P., and Martí, J. (1986) “Mine Closure Calculations in Rheological Materials by Explicit Time Integration Procedures”, International Conference on Numerical Methods in Geomechanics, Stuttgart, Germany, 16-18 September.

Martí, J., Blanco, O., Goicolea, J.M., and Sharma, D. (1986) “Thermo-Mechanical Modelling of a Simulated HLW Repository in Salt”, Annual Meeting of the Solution Mining Research Institute, Amsterdam, Netherlands, 21-24 September.

Vázquez Sierra, J.M., Martí, J., and Molina, R. (1986) “Efectos de Roturas de Tuberías en Estructuras, Sistemas y Componentes dentro de la Contención Primaria de la Central Nuclear de Santa María de Garoña”, XII Annual Meeting of the Spanish Nuclear Society, Salamanca, Spain, 3-5 November, Paper 5.17.

Goicolea, J., Martí, J., and Blanco, O. (1986) “Efectos Mecánicos y Térmicos de un Almacenamiento Simulado de Residuos Radiactivos en Sal”, XII Annual Meeting of the Spanish Nuclear Society, Salamanca, Spain, 3-5 November, Paper 2.6.

Martí, J. (1986) “Coupled Thermo-Mechanical Calculations Using Rezoning”, Numerical Analysis Seminars, School of Mines, Polytechnical University of Madrid, Spain

Mackay, D.M., Martí, J., and Prinja, N.K. (1984) “Three-Dimensional Analysis of Pipe-on-Pipe Impact and Fracture”, 3rd International Conference in Numerical Methods in Fracture Mechanics, Swansea, UK, 26-30 March.

Martí, J., Goicolea, J., Kalsi, G.S., and Macey, G.E. (1984) “Transient Thermo-Mechanical Analysis with Explicit Schemes”, International Conference on Numerical Methods for Transient and Coupled Problems, Venice, Italy, 9-13 July, ed. Pineridge Press, Swansea, pp. 371-381.

Martí, J., Kalsi, G.S., and Last, N.C. (1984) “Three-Dimensional Calculations of Missile Impact”, International Conference on Structural Impact and Crashworthiness, Imperial College, London, UK, 16-20 July.

Martí, J., Kalsi, G.S., and Prinja, N.K. (1983) “Three-Dimensional Non-Linear Analysis of Pipe-to-Pipe Impact”, ASCE Engineering Mechanics Division Specialty Conference, Purdue University, West Lafayette, Indiana, USA, 23-25 May.

Martí, J., Kalsi, G.S., and Attalla, I. (1983) “Three-Dimensional Non-Linear Aircraft Impact Analysis”, 7th International Conference on Structural Mechanics in Reactor Technology, Chicago, Illinois, USA, 22-26 August, paper no. J9/7.

Marti, J., Kalsi, G.S., Lau, W.W., and Kark, S.K. (1983) “Simulation of an AGR Fuel Assembly Falling Freely within a Pressurised Storage Tube”, International Conference on Computational Mechanics in Elastoplasticity and Creep, London, UK, 13 October.

Martí, J., Kalsi, G., and Attalla, I. (1982) ” Three-Dimensional Dynamic Non-Linear Modelling of Reinforced Concrete under Impact Loads”, Interassociation Symposium on Concrete Structures under Impact and Impulsive Loading, Berlin, Germany, 2-4 June, pp. 548-564.

Martí, J., Kalsi, G., and Atkins, A.G. (1982) “A Numerical and Experimental Study of Deep Elastoplastic Indentation”, International Conference on Numerical Methods in Industrial Forming Processes, Swansea, UK, 12-14 July, pp. 279-288.

Trbojevic, V.M. and Martí, J. (1982) “Three-Dimensional Pile-Soil-Pile Interaction Analysis for Pile Groups”, International Conference on Soil Dynamics and Earthquake Engineering, Southampton, UK, 13-15 July, Vol.2, pp. 513-526.

Martí, J. (1982) “A Consulting Engineer’s Views of the Objectives of Soil Constitutive Models”, International Workshop on Constitutive Behaviour of Soil, Grenoble, France, 6-8 September, ed. Balkema, Rotterdam, Netherlands, pp. 485-487.

Goicolea, J.M. and Martí, J. (1982) “Análisis de Disipación de Energía mediante Integración Explícita”, 1st National Symposium on Engineering Applications of the Finite Element Method, Barcelona, Spain, 15-17 December, pp. V.151-163.

Martí, J. and Rodríguez-Ovejero, L. (1982) “Resolución Numérica de Problemas de Impacto”, 1st National Symposium on Engineering Applications of the Finite Element Method, Barcelona, Spain, 15-17 December, pp. V.135-150.

Martí, J. and Cundall, P.A. (1982) “Mixed Discretisation Procedure for Accurate Modelling of Plastic Collapse”, International Journal for Numerical and Analytical Methods in Geomechanics, Vol. 6, No. 1, pp. 129-139, ISSN 0363-9061, DOI: 10.1002/nag.1610060109

Martí, J. (1981) “Field Instrumentation and Testing Needs for a High Level Waste Repository”, Building Research Establishment DOE Contractors Meeting, Watford, UK, 20 May.

Trbojevic, V.M., Martí, J., Danisch, R., and Delinic, K. (1981) “Pile-Soil-Pile Interaction Analysis for Pile Groups”, 6th International Conference on Structural Mechanics in Reactor Technology, Paris, 17-21 August, Paper No. K5/4.

Kunar, R.R. and Martí, J. (1981) “A Non-Reflecting Boundary for Explicit Calculations”, ASME 102nd Winter Annual Meeting of Computational Methods for Infinite Domain-Media Interaction, Washington, D.C., USA, 15-20 November, pp. 183-204 (invited paper).

Dirmikis, D., Sinclair, T.J.E., and Martí, J, (1980) “A Mathematical Model for Two-Dimensional Fluid Flow in Deformable Porous Media”, ATG Technical Note No. TN-LN-31, Dames & Moore, London, UK, January.

Hopkirk, R.J., Lympany, S.D., and Martí, J. (1980) “3-D Numerical Predictions of Impact Effects”, British Nuclear Energy Society Symposium on Design of Chemical and Nuclear Installations against Impact from Plant Generated Missiles, Leicester, UK, March.

Martí, J. and Cundall, P.A. (1980) “Constitutive Laws for Dynamic Modelling of Soils”, US Air Force Technology Report, Defense Technical Information Ceter (DTIC), March, 62p. DOI: 10.21236/ada082733

Martí, J. (1980) “The Role of Numerical Models in Underground Storage of Radioactive Waste”, I Seminar on Underground Storage of Hydrocarbons and Radioactive Solid Waste, Fundación Gómez Pardo, Madrid, Spain, 5-9 May.

Sidey, R.C., Martí, J., Rodríguez-Ovejero, L., and White, D.C. (1980) “Borehole Shear Device. Feasibility and Preliminary Studies”, US Air Force Technology Report No. AFWL-TR-79-48, August, 211p.

Martí, J. and Rodríguez-Ovejero, L. (1980) “Analysis of a Device for In-situ Measurement of the Shear Modulus of Soils at Large Strains”, VII World Conference on Earthquake Engineering, Istanbul, Turkey, 8-13 September, pp. 41-48.

Martí, J., Price, M., Trbojevic, V.M., and Waker, C.H. (1980) “Limit State Analysis for Nuclear Reprocessing Facilities”, OECD-CSNI Specialist Meeting on Probabilistic Methods in Seismic Risk Assessment for Nuclear Power Plants, Lisbon, Portugal, 30 September – 3 October, Vol. III, pp. 39-56.

Hopkirk, R.J., Lympany, S.D., and Martí, J. (1980) “Three-Dimensional Numerical Predictions of Impact Effects”, Nuclear Energy, Vol. 19, No. 3, pp. 207-210.