Principia is present in a wide spectrum of industrial sectors, especially oil & gas, wind power, civil engineering, mechanical engineering, defence/aerospace, nuclear energy, etc. Within the field of applied mechanics, we concentrate on the structural and mechanical areas, with also notable activity in seismology, fluid dynamics, and geotechnical engineering.

A high percentage of our work involves R&D activities. In many areas, from energy generation to manufacturing processes, new technologies tend to underlie the requests from our customers. We also participate frequently in international research projects.

The problems we study are usually infrequent and also complex to analyse, which is why specialised consultants are required. Our high degree of specialisation allows us to optimise the solution of such problems for our clients.

Additionally we sell and support in Spain and Portugal the SIMULIA products of Dassault Systèmes. They include the well-known finite element code Abaqus, with especially powerful dynamic and non-linear capabilities and which Principia employs in most of its consulting work.


History


history point Principia

1979

Principia Mechanica Ltd. is based in London.

history point Principia

1984

Principia begins to operate as a Spanish company.

history point Principia

1988

Abaqus agent program in Spain and Portugal.

history point Principia

2011

Partner of Dassault Systèmes in Spain and Portugal.

Team

Principia currently employs a team of 11 staff, 9 of them engineers and 2 for administration and support. It is a very stable and highly qualified team.

Out of the 9 engineers of different specialities, 6 of them have a PhD. The average experience of our technical staff is 18 years and the length of their employment in Principia averages 14 years.

María José Crespo, Directora de Proyectos en PrincipiaMaría José Crespo
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Patricia González, Ingeniero de Proyectos de PrincipiaPatricia González
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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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Francisco Riera, Director de Proyectos de PrincipiaFrancisco Riera
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Javier Rodríguez, Director Técnico de Principia Javier Rodríguez
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Alejandro Soler
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Publications

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.
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.
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.

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.

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.

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.

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.

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.

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.

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.

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.

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.
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.