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Now showing items 1-20 of 23

    • A comparison of the state of the art models for constitutive modelling of concrete 

      Caner, Ferhun Cem (2021-02-01)
      Article
      Open Access
      Concrete is undoubtedly the most important and widely used construction material of the last centuries. Nevertheless, mathematical models that can accurately capture the particular material behaviour under all loading ...

    • A computational framework for micromechanical modelling of WC-Co composites 

      Sousa Machado, Pedro Vinicius; Caner, Ferhun Cem; Llanes Pitarch, Luis Miguel; Jiménez Piqué, Emilio (Elsevier, 2023-02)
      Article
      Open Access
      In this study, the mechanical behavior under monotonic loads of tungsten carbide-cobalt (WC-Co) composites is investigated extensively by analyzing (1) nanoindentation tests on WC particles and Co matrix, (2) nanowires ...

    • Computational extreme value statistics of strength for WC-Co composites at small specimens 

      Sousa Machado, Pedro Vinicius; Caner, Ferhun Cem; Llanes Pitarch, Luis Miguel; Jiménez Piqué, Emilio (Elsevier, 2024-04)
      Article
      Open Access
      The mechanical behavior of ceramic–metal (WC-Co) composites at small specimen level is subject to significant uncertainty due to the random assembly of (1) its constituent phases, (2) the crystal orientation of the WC ...

    • Conversion of explicit microplane model with boundaries to a constitutive subroutine for implicit finite element programs 

      Nguyen, Hoang T.; Caner, Ferhun Cem; Bažant, Zdeněk Pavel (2021-03-30)
      Article
      Open Access
      Whereas various simplistic microplane models of limited applicability, defined by stress–strain curves on the microplane, can function as either explicit or implicit, the explicit-to-implicit conversion of realistic versatile ...

    • Diffusion-controlled and creep-mitigated ASR damage via microplane model: II. Material degra- dation, drying, and verification 

      Rahimi-Aghdam, Saeed; Bažant, Zdeněk Pavel; Caner, Ferhun Cem (American Society of Civil Engineers (ASCE), 2016-10-28)
      Article
      Open Access
      The theory for the material and structural damage due to the alkali-silica reaction (ASR) in concrete is calibrated and validated by finite element fitting of the main test results from the literature. The fracture mechanics ...

    • Double cantilever indirect tension testing for fracture of quasibrittle materials 

      Caner, Ferhun Cem; Dönmez, A. Abdullah; Sener, Siddik; Koç, Varol (2018-11-27)
      Article
      Open Access
      The Double Cantilever Beam (DCB) Mode I fracture testing has been widely used in fracture testing of especially fiber reinforced polymer composites and adhesive joints. Application of classical DCB testing to plain concrete ...

    • Impact comminution of solids due to local kinetic energy of high shear strain rate: I. Continuum theory and turbulence analogy 

      Bažant, Zdeněk Pavel; Caner, Ferhun Cem (2014-03-01)
      Article
      Restricted access - publisher's policy
      The modeling of high velocity impact into brittle or quasibrittle solids is hampered by the unavailability of a constitutive model capturing the effects of material comminution into very fine particles. The present objective ...

    • Impact comminution of solids due to local kinetic energy of high shear strain rate: II-Microplane model and verification 

      Caner, Ferhun Cem; Bažant, Zdeněk Pavel (2014-03-01)
      Article
      Restricted access - publisher's policy
      The new theory presented in the preceding paper, which models the dynamic comminution of concrete due to very high shear strain rate, is now compared to recent test data on the penetration of projectiles through concrete ...

    • Meso-mechanical analysis of the fracture of concrete specimens in mixed mode 

      Rodríguez, Mariana; López Garello, Carlos María; Carol, Ignacio; Caner, Ferhun Cem (2009)
      Conference report
      Restricted access - author's decision
      This paper describes recent numerical simulation results of some experiments carried out by Nooru-Mohamed to study mixed mode fracture of concrete. The numerical simulation is based on a meso-mechanical model developed ...

    • Microplane constitutive model M4L for concrete. I: Theory 

      Tue, Nguyen Viet; Li, Jiabin; Caner, Ferhun Cem (2013)
      Article
      Restricted access - publisher's policy
      The present, Part I, of this two-part study presents a new microplane constitutive model for simulating the fracture and damage behavior of concrete materials subjected to various loadings. The concept of stress–strain ...

    • Microplane constitutive model M4L for concrete. II: Calibration and validation 

      Li, Jiabin; Tue, Nguyen Viet; Caner, Ferhun Cem (2013)
      Article
      Restricted access - publisher's policy
      This paper, Part II of a two-part study, presents the numerical calibration and validation of the microplane constitutive model M4L for concrete formulated in the preceding part. The model parameters are firstly calibrated ...

    • Microplane model for fracturing damage of triaxially braided fiber-polymer composites 

      Caner, Ferhun Cem; Bažant, Zdeněk Pavel; Hoover, Christian G.; Waas, Anthony M; Shahwan, Khaled W. (2011-04)
      Article
      Restricted access - publisher's policy
      A material model for the fracturing behavior for braided composites is developed and implemented in a material subroutine for use in the commercial explicit finite element code ABAQUS. The subroutine is based on the ...

    • Microplane model M6F for fiber reinforced concrete 

      Caner, Ferhun Cem; Bažant, Zdeněk Pavel (CIMNE, 2011)
      Conference report
      Open Access
      The new microplane model M6f for fiber reinforced concrete features several improvements over the earlier versions: (i) An explicit volumetric-deviatoric split to no split transition formulation in tension which eliminates ...

    • Microplane model M7 for plain concrete. I: Formulation 

      Caner, Ferhun Cem; Bažant, Zdeněk Pavel (American Society of Civil Engineers (ASCE), 2013-12-01)
      Article
      Restricted access - publisher's policy
      Mathematical modeling of the nonlinear triaxial behavior and damage of such a complexmaterial as concrete has been a long-standing challenge in which progress has been made only in gradual increments. The goal of this ...

    • Microplane model M7 for plain concrete: II. Calibration and verification 

      Caner, Ferhun Cem; Bažant, Zdeněk Pavel (American Society of Civil Engineers (ASCE), 2012-11-16)
      Article
      Restricted access - publisher's policy
      The microplane material model for concrete, formulated mathematically in the preceding Part I, is here calibrated by material test data from all the typical laboratory tests taken from the literature. Then the model is ...

    • Microplane model M7f for fiber reinforced concrete 

      Caner, Ferhun Cem; Bažant, Zdeněk Pavel; Wendner, Roman (2013-06)
      Article
      Restricted access - publisher's policy
      Model M7f is a new model for fiber reinforced concretes under static and dynamic loads, which features two kinds of improvement over the earlier versions: (1) It is built on M7, a new, greatly improved, microplane model ...

    • Microplane model M7for fiber reinforced concrete 

      Caner, Ferhun Cem; Bažant, Zdeněk Pavel; Wendner, Roman (2013-06-01)
      Article
      Restricted access - publisher's policy
      Model M7f is a new model for fiber reinforced concretes under static and dynamic loads, which features two kinds of improvement over the earlier versions: (1) It is built on M7, a new, greatly improved, microplane model ...

    • Microplane model of cylindrical geometry for transversely isotropic polymer composites 

      Sabounchi, Saeed; Caner, Ferhun Cem (Elsevier, 2022-08)
      Article
      Open Access
      In this paper, a microplane model based on cylindrical geometry where the cylinder axis coincides with the longitudinal direction is developed for a general 3D inelastic fracturing analysis by finite element method of ...

    • Multiscale simulation of fracture of braided composites via repetitive unit cells 

      Šmilauer, V.; Hoover, Christian G.; Bažant, Zdeněk Pavel; Caner, Ferhun Cem; Waas, Anthony M; Shahwan, Khaled W. (2011-04)
      Article
      Restricted access - publisher's policy
      Two-dimensional triaxially braided composites (2DTBCs) are attractive in crashworthiness design because their fracture can dissipate a significantly larger amount of impact energy than other light-weight materials. This ...

    • Numercial simulation of WC-Co hardmetal with microplane approach and realistic meshes 

      Sousa Machado, Pedro Vinicius; Caner, Ferhun Cem; Jiménez Piqué, Emilio; Llanes Pitarch, Luis Miguel (2022)
      Conference report
      Open Access
      Se puede utilizar análisis de elementos finitos para modelar el comportamiento de los metales duros a microescala y mejorar el rendimiento de las herramientas y superficies fabricadas con estos materiales. Para ello, se ...