Miguel Cervera Profile : Scipedia

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Macroscopic modelling of concrete aging regarding hydration and temperature effects
M. Cervera, R. Faria, J. Oliver, T. Prato

(1999). Research Report, Nº PI170

Abstract
A macroscopic model to account for the hydration and aging phenomena that occur during the early ages of concrete is proposed in this work. Assuming the percolation of water through the hydrates already formed as the dominant mechanism of cement hydration, a normalized variable called hydration degree is adopted in the model, which has an evolution law that can be easily calibrated through an adiabatic calorimetric test. This methodology allows an accurate prediction of the evolution of the hydration degree and the hydration heat production. The evolution of the compressive strength is related to the aging degree, a novel concept which accounts for the effect of the hydration degree and the influence of the curing temperature on the final mechanical properties of concrete, a feature not attended with classic maturity concepts. A wide set of experimental tests validates the proposed model for ordinary and high performance concretes. Fly ash admixture concretes with a large spectrum of cement substitutions can be also modelled with the proposed approach.
Abstract
A macroscopic model to account for the hydration and aging phenomena that occur during the early ages of concrete is proposed in this work. Assuming the percolation of water [...]
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On isotropic scalar damage models for the numerical analysis of concrete structures
R. Faria, J. Oliver, M. Cervera

(2000). Research Report, Nº PI198

Abstract
Within the framework of Continuum Damage Mechanics some isotropic scalar damage models for concrete are revisited, with emphasis on a recent one proposed by the authors. This scalar damage model is based on the assumption that a stress split is required to capture unilateral behaviour exhibited by concrete when passing from tension to compression. Similar assumptions are pursued on many scalar damage models, yet with many differences being encountered on the strategies adopted for the implementation of such split, which sometimes is performed over the strain tensor. In this paper a discussion on the implications of those splits is conducted, as well as on the norms that define the elastic domain in the stress space. For the proposed damage model a strain-driven formalism is adopted, but the stress split is performed on the effective elastic stress tensor, which is shown to correspond to a split of the Cauchy stress tensor. This strategy improves the algorithmic efficiency as much as required for the seismic analysis of large-scale problems, and circumvents many of the drawbacks present in similar damage models. Besides, two scalar damage variable are introduced as internal variables, as well as an inelastic strain tensor. Efficiency of the proposed constitutive model is illustrated through numerical applications. Algorithmic implementation is also detailed.
Abstract
Within the framework of Continuum Damage Mechanics some isotropic scalar damage models for concrete are revisited, with emphasis on a recent one proposed by the authors. This [...]
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Softening, localization and stabilization: capture of discontinuous solutions in J2 plasticity
M. Cervera, M. Chiumenti, C. Agelet de Saracibar

(2003). Research Report, Nº PI227

Abstract
This paper exploits the concept of stabilization techniques to improve the behaviour of mixed linear/linear simplicial elements (triangles and tetrahedra) in incompressible or nearly incompressible situations. Elasto‐J2‐plastic constitutive behaviour has been considered with linear and exponential softening. Two different stabilization methods are used to attain global stability of the corresponding discrete finite element formulation. Implementation and computational aspects are also discussed, showing that a robust application of the proposed formulation is feasible. Numerical examples show that the formulation derived is free of volumetric locking and spurious oscillations of the pressure. The results obtained do not suffer from spurious mesh‐size or mesh‐bias dependence, comparing very favourably with those obtained with the standard, non‐stabilized, approaches.
Abstract
This paper exploits the concept of stabilization techniques to improve the behaviour of mixed linear/linear simplicial elements (triangles and tetrahedra) in incompressible [...]
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An orthotropic mesh corrected crack model
M. Cervera

(2006). Research Report, Nº PI296

Abstract
This paper recovers the original spirit of the continuous crack approaches, where displacements jumps across the crack are smeared over the affected elements and the behaviour is established through a softening stress–(total) strain law, using standard finite element displacement interpolations and orthotropic localconstitutive models. The paper focuses on the problem of shear locking observed in the discrete problem when orthotropic models are used. The solution for this drawback is found in the form of a mesh corrected crack model where the structure of the inelastic strain tensor is linked to the geometry of the cracked element. The discrete model is formulated as a non-symmetric orthotropic local damage constitutive model, in which the softening modulus is regularized according to the material fracture energy and the element size. The resulting formulation is easily implemented in standard non-linear FE codes and suitable for engineering applications. Numerical examples show that the results obtained using this crack model do not suffer from dependence on the mesh directional alignment, comparing very favourably with those obtained using related standard isotropic or orthotropic damage models.
Abstract
This paper recovers the original spirit of the continuous crack approaches, where displacements jumps across the crack are smeared over the affected elements and the behaviour [...]
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Mesh objective tensile cracking via a local continuum damage model and a crack tracking technique
M. Cervera, M. Chiumenti

(2006). Research Report, Nº PI294

Abstract
This paper describes a procedure for the solution of problems involving tensile cracking using the so-called smeared crack approach, that is, standard finite elements with continuous displacement fields and a standard local constitutive model with strain-softening. An isotropic Rankine damage model is considered. The softening modulus is adjusted according to the material fracture energy and the element size. The resulting continuum and discrete mechanical problems are analyzed and the question of predicting correctly the direction of crack propagation is deemed as the main difficulty to be overcome in the discrete problem. It is proposed to use a crack tracking technique to attain the desired stability and convergence properties of the corresponding formulation. Numerical examples show that the resulting procedure is well-posed, stable and remarkably robust; the results obtained do not seem to suffer from spurious mesh-size or mesh-bias dependence.
Abstract
This paper describes a procedure for the solution of problems involving tensile cracking using the so-called smeared crack approach, that is, standard finite elements [...]
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Desarrollo de modelos constitutivos avanzados para análisis del comportamiento no lineal de materiales de construcción
M. Cervera

(2008). Research Report, Nº PI316

Abstract
En este informe se describen algunos de los desarrollos recientes en modelos constitutivos avanzados para el comportamiento no lineal de materiales de construcción. El trabajo se centra especialmente en los modelos de simulación numérica del fenómeno de fisuración en hormigón estructural y otros geomateriales tales como la mampostería y la obra de fábrica. En la primera parte del informe se describen los enfoques principales para la simulación numérica de la fisuración a tracción en estructuras de hormigón: el de fisura discreta y el de fisura distribuida, para centrarse en el segundo. Dentro de éste, el informe describe en detalle un modelo escalar de daño continuo desarrollado en CIMNE. Este modelo de daño se basa en la partición del tensor de tensiones para poder capturar el comportamiento unilateral del hormigón al pasar de tracción a compresión y viceversa. El modelo propuesto adopta un formalismo basado en las deformaciones totales, lo cual aumenta su eficiencia algorítmica y lo hace especialmente apto para aplicaciones sísmicas y problemas de gran tamaño, tal como se muestra en las aplicaciones presentadas. En la última parte del informe se trata el tema de la localización de deformaciones y de daño y de la simulación numérica del colapso estructural. En esta parte se combina el modelo de daño distribuido presentado anteriormente con un algoritmo de rastreo de fisuras. La mejoría de las capacidades del modelo se hace patente en las aplicaciones mostradas y, especialmente, en el estudio de un arco semicircular de obra de fábrica con carga asimétrica, cuyos resultados son mucho más realistas que los que se obtienen con el modelo de daño distribuido en su forma original. El informe concluye con algunas observaciones sobre la utilidad de los modelos constitutivos avanzados y su aplicación por parte de los usuarios finales de programas comerciales o de propósito específico.
Abstract
En este informe se describen algunos de los desarrollos recientes en modelos constitutivos avanzados para el comportamiento no lineal de materiales de construcción. [...]
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Size effect and localization in J2 plasticity
M. Cervera, M. Chiumenti

(2009). Research Report, Nº PI331

Abstract
This paper studies the phenomenon of structural size effect and strain localization in J2 plasticity. Size effect is here understood as the change in the response of a given structure when the spatial dimensions are scaled up or down while the geometry and other relevant properties of the structure are preserved. The work exploits the advantages of the mixed displacement–pressure formulation in incompressible or quasi-incompressible situations. Elasto-J2-plastic constitutive behaviour with regularized softening is considered. Stability issues are discussed to ensure existence and uniqueness of the solution of the corresponding discrete finite element formulation. Numerical examples show that the formulation derived is able to solve a wide range of structural scales, including real life engineering applications. The results obtained do not suffer from spurious mesh dependence. Furthermore, the formulation includes the classical theories of perfect plasticity and linear fracture mechanics as limit cases.
Abstract
This paper studies the phenomenon of structural size effect and strain localization in J2 plasticity. Size effect is here understood as the change in the response of a given [...]
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Benchmarking on bifurcation and localization in J2 plasticity for plane stress and plane strain conditions
M. Cervera, M. Chiumenti, D. Di Capua

(2011). Research Report, Nº PI370

Abstract
This paper studies the phenomenon of strain bifurcation and localization in J2 plasticity under plane stress and plane strain conditions. Necessary conditions for the outcome of bifurcation, localization, stress boundedness and decohesion are analytically established. It is shown that the explicit consideration of these conditions allows for the determination of localization angles in certain situations of interest that can be used to conduct benchmark tests on finite element formulations. The relative merits of irreducible, (stabilized) mixed and (displacement and/or strain) enhanced formulations are discussed. Numerical examples show that the mixed displacement/pressure formulation is to be preferred to the standard irreducible schemes in order to predict correct failure mechanisms with localized patterns of plastic deformation. Mixed elements are shown to be practically free from mesh directional bias dependence.
Abstract
This paper studies the phenomenon of strain bifurcation and localization in J2 plasticity under plane stress and plane strain conditions. Necessary conditions for the outcome [...]
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Análisis termo-mecánico del proceso de fabricación de un tablero del viaducto de Öresund
T. Prato, R. Faria, M. Cervera, J. Oliver

(1999). Research Report, Nº PI165

Abstract
El objetivo de este trabajo es presentar una metodología para el estudio del riesgo de fisuración de una estructura de hormigón en primeras edades. Para ello, se presenta un modelo termo-quimio-mecánico y se estudia el comportamiento estructural del tablero de uno de los viaductos de acceso al puente de Öresund (Dinamarca) durante el proceso de construcción y los 10 primeros días de vida. Esta obra se encuentra en proceso de construcción en el Yard que la constructora DRAGADOS posee en el Puerto Real (Cádiz). Primeramente, en el Capítulo 2, se describe los fundamentos básicos del modelo numérico que se propone. A continuación, en el Capítulo 3, se presenta un análisis del tablero del viaducto mencionado anteriormente, que consiste en evaluar el riesgo de fisuración provocado por el calentamiento asociado a la liberación del calor de hidratación y su proceso de construcción y los materiales utilizados para la construcción del viaducto. Seguidamente, en el Capítulo 4, se presenta el análisis térmico correspondiente a la simulación del proceso de hidratación del hormigón del tablero. Se incluyen algunos estudios sobre las posibles consecuencias de la modificación del proceso de calentamiento debido al cambio de las condiciones ambientales y de curado. En el Capítulo 5 se presenta el análisis termo-mecánico del proceso de construcción de uno de los tramos del viaducto. Se presentan también estudios alternativos sobre la evolución del riesgo de fisuración bajo diferentes escenarios de ejecución. Para ello se estudia el comportamiento estructural en condiciones de invierno y verano.
Abstract
El objetivo de este trabajo es presentar una metodología para el estudio del riesgo de fisuración de una estructura de hormigón en primeras edades. Para [...]
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Numerical Simulation of Heat Treatment Processes on Industrial Steel Parts
B. Lax, M. Cervera, M. Chiumenti

Monograph CIMNE (2003). M84

Abstract
The aim of this work is to fullfill the given requirements: A finite numerical program, originally developed to solve a great variety of thermo-mechanical problems, was adapted to a specific industrial problem by a user who was confrontated for the first time with both the industrial problem and the developed computer program.
Abstract
The aim of this work is to fullfill the given requirements: A finite numerical program, originally developed to solve a great variety of thermo-mechanical problems, was adapted [...]
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Articles (Documents not available in Scipedia)

3D numerical modelling of twisting cracks under bending and torsion of skew notched beams
L Benedetti, M Cervera, M Chiumenti

Engineering Fracture Mechanics 176, 235-256, 2017
Numerical simulation and experimental calibration of Additive Manufacturing by blown powder technology. Part I: thermal analysis
M Chiumenti, X Lin, M Cervera, W Lei, Y Zheng, W Huang

Rapid Prototyping Journal 23 (2), 2017
Local-global strategy for the prediction of residual stresses in FSW processes
N Dialami, M Cervera, M Chiumenti, CA de Saracibar

International Journal of Advanced Manufacturing Technology 88 (9), 3099–3111, 2017
A fast and accurate two-stage strategy to evaluate the effect of the pin tool profile on metal flow, torque and forces in friction stir welding
N Dialami, M Cervera, M Chiumenti, CA de Saracibar

International Journal of Mechanical Sciences 122, 215–227, 2017
Finite Element Modelling of Internal and Multiple Localized Cracks
S Saloustros, L Pelà, M Cervera, P Roca

Computational Mechanics 59 (2), 299–316, 2017
Modelling of Bingham and Herschel–Bulkley flows with mixed P1/P1 finite elements stabilized with orthogonal subgrid scale
E Moreno, A Larese, M Cervera

Journal of Non-Newtonian Fluid Mechanics 228, 1-16, 2016
Thermodynamically consistent plastic-damage framework for localized failure in quasi-brittle solids: material model and strain localization analysis
JY Wu, M Cervera

Journal of Solids and Structures 87, 227-247, 2016
Numerical modeling of the electron beam welding and its experimental validation
M Chiumenti, M Cervera, N Dialami, B Wu, L Jinwei, CA de Saracibar

Finite Elements in Analysis and Design 121, 118-133, 2016
Analysis of the effect of provisional ties on the construction and current deformation of Mallorca Cathedral
L Pelà, J Bourgeois, P Roca, M Cervera, M Chiumenti

International Journal of Architectural Heritage 10 (4), 418-437, 2016
Challenges in thermo-mechanical analysis of Friction Stir Welding processes
N Dialami, M Chiumenti, M Cervera, C Agelet de Saracibar

Archives of Computational Methods in Engineering, 1-37, 2016
3D numerical models using a fluid or a solid formulation of FSW processes with a non-cylindrical pin
P Bussetta, N Dialami, M Chiumenti, CA de Saracibar, M Cervera, ...

Advanced Modeling and Simulation in Engineering Sciences 2 (27), 1-19, 2015
A crack-tracking technique for localized cohesive–frictional damage
S Saloustros, L Pelà, M Cervera

Engineering Fracture Mechanics 150, 96-114, 2015
On the conformity of strong, regularized, embedded and smeared discontinuity approaches for the modeling of localized failure in solids
M Cervera, JY Wu

Journal of Solids and Structures 71, 19-38, 2015
Explicit mixed strain-displacement finite element for dynamic geometrically non-linear solid mechanics
NM Lafontaine, R Rossi, M Cervera, M Chiumenti

Computational Mechanics 55, 543-559, 2015
On the equivalence between traction- and stress-based approaches for the modeling of localized failure in solids
JY Wu, M Cervera

Journal of the Mechanics and Physics of Solids 82, 137-163, 2015
A mixed three-field FE formulation for stress accurate analysis including the incompressible limit
M Chiumenti, M Cervera, R Codina

Computer Methods in Applied Mechanics and Engineering 283, 1095–1116, 2015
Stress-accurate Mixed FEM for soil failure under shallow foundations involving strain localization in plasticity
L Benedetti, M Cervera, M Chiumenti

Computers and Geotechnics 64, 32-47, 2015
Material flow visualization in Friction Stir Welding via particle tracing
N Dialami, M Chiumenti, M Cervera, CA de Saracibar, JP Ponthot

International Journal of Material Forming 8 (2), 167-181, 2015
Mixed Stabilized Finite Element Methods in Nonlinear Solid Mechanics. Part III: Compressible and incompressible plasticity
M Cervera, M Chiumenti, L Benedetti, R Codina

Computer Methods in Applied Mechanics and Engineering 285, 752-775, 2015
Shaped metal deposition processes
C Agelet de Saracibar, A Lundbäck, M Chiumenti, M Cervera

Encyclopedia of Thermal Stresses, Springer, 2014
Numerical simulation and visualization of material flow in friction stir welding via particle tracing
N Dialami, M Chiumenti, M Cervera, CA de Saracibar, JP Ponthot, ...

Numerical Simulations of Coupled Problems in Engineering, 157-169, 2014
A localized mapped damage model for orthotropic materials
L Pelà, M Cervera, S Oller, M Chiumenti

Engineering Fracture Mechanics 124, 196–216, 2014
Computational modeling and sub-grid scale stabilization of incompressibility and convection in the numerical simulation of friction stir welding processes
CA de Saracibar, M Chiumenti, M Cervera, N Dialami, A Seret

Archives of Computational Methods in Engineering 21, 3-37, 2014
A novel stress-accurate FE technology for highly non-linear analysis with incompressibility constraint. Application to the numerical simulation of the FSW process
M Chiumenti, M Cervera, C Agelet de Saracibar, N Dialami

AIP conference proceedings 1532 (1), 45-56, 2013
Comparison of a Fluid and a Solid Approach for the Numerical Simulation of Friction Stir Welding with a Non‐Cylindrical Pin
P Bussetta, N Dialami, R Boman, M Chiumenti, C Agelet de Saracibar, ...

Steel Research International 85, 968–979, 2013
An apropos kinematic framework for the numerical modeling of friction stir welding
N Dialami, M Chiumenti, M Cervera, CA de Saracibar

Computers & Structures 117, 48-57, 2013
Continuum FE models for the analysis of Mallorca Cathedral
P Roca, M Cervera, L Pelà, R Clemente, M Chiumenti

Engineering Structures 46, 653-670, 2013
An orthotropic damage model for the analysis of masonry structures
L Pelà, M Cervera, P Roca

Construction and Building Materials 41 (2013) 957–967, 2013
Numerical modeling of friction stir welding processes
M Chiumenti, M Cervera, C Agelet de Saracibar, N Dialami

Computer Methods in Applied Mechanics and Engineering, 254 (2013) 353–369, 2013
Viscoelasticity and damage model for creep behaviour of historical masonry structures
P Roca, M Cervera, L Pelà, R Clemente, M Chiumenti

The Open Civil Engineering Journal, 6 (Suppl 1-M7), 188-199, 2012
Benchmarking on bifurcation and localization in J2 plasticity for plane stress and plane strain conditions
M Cervera, M Chiumenti, D Di Capua

Computer Methods in Applied Mechanics and Engineering 241, 206-224, 2012
Advances in the numerical simulation of 3D FSW processes
CA de Saracibar, M Chiumenti, M Cervera, N Dialami, D Santiago, ...

on the Proceedings of the International Symposium on Plasticity and its …, 2011
Continuum damage model for orthotropic materials: Application to masonry
L Pelà, M Cervera, P Roca

Computer Methods in Applied Mechanics and Engineering 200 (9-12), 917-930, 2011
Mesh objective modeling of cracks using continuous linear strain and displacement interpolations
M Cervera, M Chiumenti, R Codina

International Journal for Numerical Methods in Engineering 87 (10), 962-987, 2011
A computational model for the numerical simulation of FSW processes
C Agelet de Saracibar, M Chiumenti, D Santiago, M Cervera, N Dialami, ...

AIP Conference Proceedings 1252 (1), 81-88, 2010
A crack-tracking technique for localized damage in quasi-brittle materials
M Cervera, L Pelà, R Clemente, P Roca

Engineering Fracture Mechanics 77 (13), 2431-2450, 2010
Finite element modeling of multi-pass welding and shaped metal deposition processes
M Chiumenti, M Cervera, A Salmi, CA De Saracibar, N Dialami, K Matsui

Computer methods in applied mechanics and engineering 199 (37-40), 2343-2359, 2010
Mixed stabilized finite element methods in nonlinear solid mechanics: Part I: Formulation
M Cervera, M Chiumenti, R Codina

Computer Methods in Applied Mechanics and Engineering 199 (37-40), 2559-2570, 2010
Mixed stabilized finite element methods in nonlinear solid mechanics: Part II: Strain localization
M Cervera, M Chiumenti, R Codina

Computer Methods in Applied Mechanics and Engineering 199 (37), 2571-2589, 2010
Structural analysis of masonry historical constructions. Classical and advanced approaches
P Roca, M Cervera, G Gariup, L Pelà

Archives of Computational Methods in Engineering 17 (3), 299-325, 2010
Seismic safety analysis of historical masonry structures using a damage constitutive model
J Murcia-Delso, AK Das, M Roca, M Cervera

Thematic conference on computational methods in structural dynamics and …, 2009
Size effect and localization in J2 plasticity
M Cervera, M Chiumenti

International Journal of Solids and Structures 46 (17), 3301-3312, 2009
El modelo de daño localizado aplicado al análisis de estructuras de obra de fábrica
R Clemente, M Cervera Ruiz, P Roca Fabregat

Revista internacional de métodos numéricos para cálculo y diseño en …, 2008
On the numerical modeling of the thermomechanical contact for metal casting analysis
M Chiumenti, CA de Saracibar, M Cervera

Journal of Heat Transfer 130 (6), 061301, 2008
An orthotropic mesh corrected crack model
M Cervera

Computer Methods in Applied Mechanics and Engineering 197 (17-18), 1603-1619, 2008
A smeared‐embedded mesh‐corrected damage model for tensile cracking
M Cervera

International journal for numerical methods in engineering 76 (12), 1930-1954, 2008
Análisis estructural de edificios históricos mediante modelos localizados de fisuración
R Clemente, M Cervera, P Roca

Centro Internacional de Métodos Numéricos en Ingeniería, 2007
Damage model with crack localization–Application to historical buildings
R Clemente, P Roca, M Cervera

Structural Analysis of Historical Constructions, New Delhi, India, 2006
On the orthogonal subgrid scale pressure stabilization of finite deformation J2 plasticity
CA de Saracibar, M Chiumenti, Q Valverde, M Cervera

Computer Methods in Applied Mechanics and Engineering 195 (9-12), 1224-1251, 2006
Smeared crack approach: back to the original track
M Cervera, M Chiumenti

International journal for numerical and analytical methods in geomechanics …, 2006
Mesh objective tensile cracking via a local continuum damage model and a crack tracking technique
M Cervera, M Chiumenti

Computer methods in applied mechanics and engineering 196 (1-3), 304-320, 2006
Structural analysis of Küçük Ayasofya Mosque in Ístanbul
M Massanas, P Roca, M Cervera, G Arun

Structural Analysis of Historical Constructions IV, Padova, Italy, 2004
On the orthogonal subgrid scale pressure stabilization of small and finite deformation J2 plasticity
CA de Saracibar, M Chiumenti, Q Valverde, M Cervera

Monograph Series on Computational Methods in Forming Processes 2, 2004
Softening, localization and stabilization: capture of discontinuous solutions in J2 plasticity
M Cervera, M Chiumenti, C Agelet de Saracibar

International Journal for Numerical and Analytical Methods in Geomechanics …, 2004
Shear band localization via local J2 continuum damage mechanics
M Cervera, M Chiumenti, C Agelet de Saracibar

Computer methods in applied mechanics and engineering 193 (9), 849-880, 2004
Modeling material failure in concrete structures under cyclic actions
R Faria, J Oliver, M Cervera

Journal of Structural Engineering 130 (12), 1997-2005, 2004
El método de los elementos finitos
OC Zienkiewicz, RL Taylor, trad., G Bugeda, M Cervera, E Oñate

CIMNE, 2004
A stabilized formulation for incompressible plasticity using linear triangles and tetrahedra
M Chiumenti, Q Valverde, CA de Saracibar, M Cervera

International Journal of Plasticity 20 (8-9), 1487-1504, 2004
A Mixed Finite Element Formulation for Incompressibility Using Linear Displacement and Presure Interpolations
D Christ, M Cervera, M Chiumenti, CA de Saracibar

International Center for Numerical Methods in Engineering, 2003
Viscoelasticity and rate-dependent continuum damage models
M Cervera

CIMNE, Monography Nº-79, Technical University of Catalunya, Barcelona, Spain, 2003
Mixed linear/linear simplicial elements for incompressible elasticity and plasticity
M Cervera, M Chiumenti, Q Valverde, CA de Saracibar

Computer Methods in Applied Mechanics and Engineering 192 (49-50), 5249-5263, 2003
Una formulación estabilizada para plasticidad incompresible usando triangulos y tetraedros con interpolaciones lineales en desplazamientos y presiones
M Chiumenti, Q Valverde, C Agelet de Saracibar, M Cervera

Métodos Numéricos en Ingeniería V 94 (99), 100, 2002
Elementos estabilizados de bajo orden en mecánica de sólidos
QM Valverde Guzmán

Universitat Politècnica de Catalunya, 2002
COMET: COupled MEchanical and Thermal analysis-Data Input Manual Version 5.0
M Cervera, C Agelet de Saracibar, M Chiumenti

CIMNE, Technical report IT-308, 2002
Numerical modelling of concrete curing, regarding hydration and temperature phenomena
M Cervera, R Faria, J Oliver, T Prato

Computers & structures 80 (18-19), 1511-1521, 2002
A stabilized formulation for incompressible elasticity using linear displacement and pressure interpolations
M Chiumenti, Q Valverde, CA De Saracibar, M Cervera

Computer methods in applied mechanics and engineering 191 (46), 5253-5264, 2002
Simulación numérica del comportamiento termo-mecánico de presas de HCR Parte I: Modelización y calibración
M Cervera, J Oliver, T Prato, J García

Revista internacional de métodos numéricos para cálculo y diseño en …, 2001
On the constitutive modeling of coupled thermomechanical phase-change problems
CA de Saracibar, M Cervera, M Chiumenti

International Journal of Plasticity 17 (12), 1565-1622, 2001
Mecánica de estructuras
M Cervera, E Blanco

Edicions UPC, 2001
Simulation of construction of RCC dams. II: Stress and Damage
M Cervera, J Oliver, T Prato

Journal of structural Engineering 126 (9), 1062-1069, 2000
Simulation of construction of RCC dams. I: temperature and aging
M Cervera, J Oliver, T Prato

Journal of Structural Engineering 126 (9), 1053-1061, 2000
Localización de deformaciones: análisis y simulación numérica de discontinuidades en mecánica de sólidos
OL Manzoli, J Oliver, M Cervera

Centro Internacional de Métodos Numéricos en Ingeniería, 1999
Thermo-mechanical analysis of industrial solidification processes
M Cervera, C Agelet De Saracibar, M Chiumenti

International Journal for Numerical Methods in Engineering 46 (9), 1575-1591, 1999
Thermo-chemo-mechanical model for concrete. II: Damage and creep
M Cervera, J Oliver, T Prato

Journal of engineering mechanics 125 (9), 1028-1039, 1999
On the formulation of coupled thermoplastic problems with phase-change
CA De Saracibar, M Cervera, M Chiumenti

International journal of plasticity 15 (1), 1-34, 1999
Thermo-chemo-mechanical model for concrete. I: Hydration and aging
M Cervera, J Oliver, T Prato

Journal of engineering mechanics 125 (9), 1018-1027, 1999
Numerical prediction of temperature and density distributions in selective laser sintering processes
G Bugeda, M Cervera, G Lombera

Rapid Prototyping Journal 5 (1), 21-26, 1999
Strong discontinuities and continuum plasticity models: the strong discontinuity approach
J Oliver, M Cervera, O Manzoli

International journal of plasticity 15 (3), 319-351, 1999
Failure pressure evaluation of the containment building of a large dry nuclear power plant
AH Barbat, M Cervera, A Hanganu, C Cirauqui, E Onate

Nuclear engineering and design 180 (3), 251-270, 1998
On the use of strain-softening models for the simulation of strong discontinuities in solids
J Oliver, M Cervera, O Manzoli

Material Instabilities in Solids 8, 107-123, 1998
A strain-based plastic viscous-damage model for massive concrete structures
R Faria, J Oliver, M Cervera

International journal of solids and structures 35 (14), 1533-1558, 1998
Simulación numérica del proceso de hidratación del hormigón
T Prato, M Cervera, X Oliver

Centro Internacional de Métodos Numéricos en Ingeniería, 1997
Block-iterative algorithms for nonlinear coupled problems.
M Cervera, R Codina

CIMNE, 1996
On the computational efficiency and implementation of block-iterative algorithms for nonlinear coupled problems
M Cervera, R Codina, M Galindo

Engineering computations 13 (6), 4-30, 1996
A rate-dependent isotropic damage model for the seismic analysis of concrete dams
M Cervera, J Oliver, O Manzoli

Earthquake engineering & structural dynamics 25 (9), 987-1010, 1996
Evaluación de la presión de fallo del edificio de contención de una central nuclear tipo PWR-W tres lazos. Parte 1: Metodología
M Cervera, ÁH Barbat, Á Hanganu, E Oñate, C Cirauqui

Revista internacional de métodos numéricos para cálculo y diseño en …, 1995
Evaluación de la presión de fallo del edificio de contención de una central nuclear tipo PWR-W tres lazos. Parte II: Simulación numérica
HA Barbat, M Cervera, C Cirauqui, Á Hanganu, E Oñate

Revista Internacional de Métodos Numéricos para Cálculo y Diseño en Ingeniería, 1995
Numerical analysis of stereolithography processes using the finite element method
G Bugeda, M Cervera, G Lombera, E Onate

Rapid Prototyping Journal 1 (2), 13-23, 1995
Seismic evaluation of concrete dams via continuum damage models
M Cervera, J Oliver, R Faria

Earthquake engineering & structural dynamics 24 (9), 1225-1245, 1995
A finite volume format for structural mechanics
E Onate, M Cervera, OC Zienkiewicz

International journal for numerical methods in engineering 37 (2), 181-201, 1994
A penalty finite element method for non‐Newtonian creeping flows
R Codina, M Cervera, E Oñate

International journal for numerical methods in engineering 36 (8), 1395-1412, 1993
Derivation of thin plate bending elements with one degree of freedom per node: a simple three node triangle
E Oñate, M Cervera

Engineering Computations 10 (6), 543-561, 1993
Efficient solution schemes for fluid-structure-soil interaction problems
M Galindo, M Cervera, J Oliver

Tenth World Conf. on Earthq. Eng, 4651-4656, 1992
A finite volume format for structural mechanics
E Oñate, OC Zienkiewicz, M Cervera

Centro Internacional de Métodos Numéricos en Ingeniería, 1992
The intrinsic time for the streamline upwind/Petrov-Galerkin formulation using quadratic elements
R Codina, E Oñate, M Cervera

Computer Methods in Applied Mechanics and Engineering 94 (2), 239-262, 1992
A computational model for progressive cracking in large dams due to the swelling of concrete
M Cervera, J Oliver, E Herrero, E Onate

Engineering Fracture Mechanics 35 (1), 573-585, 1990
Isotropic damage models and smeared crack analysis of concrete
J Oliver, M Cervera, S Oller, J Lubliner

II Int. conference on computer aided analysis and design of concrete …, 1990
Nonlinear Transient Dynamic Analysis of 3-D Structures-A Finite Element Program for steel and reinforced concrete materials
M Cervera, E Hinton, J Bonet, N Bicanic

Numerical Methods and Software For Dynamic Analysis Of Plates and Shells …, 1988
Nonlinear analysis of reinforced concrete plate and shell structures using 20-noded isoparametric brick elements
M Cervera, E Hinton, O Hassan

Computers & structures 25 (6), 845-869, 1987
Nonlinear analysis of reinforced concrete structures using three dimensional and shell finite element models.
M Cervera

University College of Swansea, 1986

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3D numerical modelling of twisting cracks under bending and torsion of skew notched beams

Numerical simulation and experimental calibration of Additive Manufacturing by blown powder technology. Part I: thermal analysis

Local-global strategy for the prediction of residual stresses in FSW processes

A fast and accurate two-stage strategy to evaluate the effect of the pin tool profile on metal flow, torque and forces in friction stir welding

Finite Element Modelling of Internal and Multiple Localized Cracks

Modelling of Bingham and Herschel–Bulkley flows with mixed P1/P1 finite elements stabilized with orthogonal subgrid scale

Thermodynamically consistent plastic-damage framework for localized failure in quasi-brittle solids: material model and strain localization analysis

Numerical modeling of the electron beam welding and its experimental validation

Analysis of the effect of provisional ties on the construction and current deformation of Mallorca Cathedral

Challenges in thermo-mechanical analysis of Friction Stir Welding processes

3D numerical models using a fluid or a solid formulation of FSW processes with a non-cylindrical pin

A crack-tracking technique for localized cohesive–frictional damage

On the conformity of strong, regularized, embedded and smeared discontinuity approaches for the modeling of localized failure in solids

Explicit mixed strain-displacement finite element for dynamic geometrically non-linear solid mechanics

On the equivalence between traction- and stress-based approaches for the modeling of localized failure in solids

A mixed three-field FE formulation for stress accurate analysis including the incompressible limit

Stress-accurate Mixed FEM for soil failure under shallow foundations involving strain localization in plasticity

Material flow visualization in Friction Stir Welding via particle tracing

Mixed Stabilized Finite Element Methods in Nonlinear Solid Mechanics. Part III: Compressible and incompressible plasticity

Shaped metal deposition processes

Numerical simulation and visualization of material flow in friction stir welding via particle tracing

A localized mapped damage model for orthotropic materials

Computational modeling and sub-grid scale stabilization of incompressibility and convection in the numerical simulation of friction stir welding processes

A novel stress-accurate FE technology for highly non-linear analysis with incompressibility constraint. Application to the numerical simulation of the FSW process

Comparison of a Fluid and a Solid Approach for the Numerical Simulation of Friction Stir Welding with a Non‐Cylindrical Pin

An apropos kinematic framework for the numerical modeling of friction stir welding

Continuum FE models for the analysis of Mallorca Cathedral

An orthotropic damage model for the analysis of masonry structures

Numerical modeling of friction stir welding processes

Viscoelasticity and damage model for creep behaviour of historical masonry structures

Benchmarking on bifurcation and localization in J2 plasticity for plane stress and plane strain conditions

Advances in the numerical simulation of 3D FSW processes

Continuum damage model for orthotropic materials: Application to masonry

Mesh objective modeling of cracks using continuous linear strain and displacement interpolations

A computational model for the numerical simulation of FSW processes

A crack-tracking technique for localized damage in quasi-brittle materials

Finite element modeling of multi-pass welding and shaped metal deposition processes

Mixed stabilized finite element methods in nonlinear solid mechanics: Part I: Formulation

Mixed stabilized finite element methods in nonlinear solid mechanics: Part II: Strain localization

Structural analysis of masonry historical constructions. Classical and advanced approaches

Seismic safety analysis of historical masonry structures using a damage constitutive model

Size effect and localization in J2 plasticity

El modelo de daño localizado aplicado al análisis de estructuras de obra de fábrica

On the numerical modeling of the thermomechanical contact for metal casting analysis

An orthotropic mesh corrected crack model

A smeared‐embedded mesh‐corrected damage model for tensile cracking

Análisis estructural de edificios históricos mediante modelos localizados de fisuración

Damage model with crack localization–Application to historical buildings

On the orthogonal subgrid scale pressure stabilization of finite deformation J2 plasticity

Smeared crack approach: back to the original track

Mesh objective tensile cracking via a local continuum damage model and a crack tracking technique

Structural analysis of Küçük Ayasofya Mosque in Ístanbul

On the orthogonal subgrid scale pressure stabilization of small and finite deformation J2 plasticity

Softening, localization and stabilization: capture of discontinuous solutions in J2 plasticity

Shear band localization via local J2 continuum damage mechanics

Modeling material failure in concrete structures under cyclic actions

El método de los elementos finitos

A stabilized formulation for incompressible plasticity using linear triangles and tetrahedra

A Mixed Finite Element Formulation for Incompressibility Using Linear Displacement and Presure Interpolations

Viscoelasticity and rate-dependent continuum damage models

Mixed linear/linear simplicial elements for incompressible elasticity and plasticity

Una formulación estabilizada para plasticidad incompresible usando triangulos y tetraedros con interpolaciones lineales en desplazamientos y presiones

Elementos estabilizados de bajo orden en mecánica de sólidos

COMET: COupled MEchanical and Thermal analysis-Data Input Manual Version 5.0

Numerical modelling of concrete curing, regarding hydration and temperature phenomena

A stabilized formulation for incompressible elasticity using linear displacement and pressure interpolations

Simulación numérica del comportamiento termo-mecánico de presas de HCR Parte I: Modelización y calibración

On the constitutive modeling of coupled thermomechanical phase-change problems

Mecánica de estructuras

Simulation of construction of RCC dams. II: Stress and Damage

Simulation of construction of RCC dams. I: temperature and aging

Localización de deformaciones: análisis y simulación numérica de discontinuidades en mecánica de sólidos

Thermo-mechanical analysis of industrial solidification processes

Thermo-chemo-mechanical model for concrete. II: Damage and creep

On the formulation of coupled thermoplastic problems with phase-change

Thermo-chemo-mechanical model for concrete. I: Hydration and aging

Numerical prediction of temperature and density distributions in selective laser sintering processes