[EN] Experiments on passive skeletal muscle on different species show a strong asymmetry in the observed tension-compression mechanical behavior. This asymmetry shows that the tension modulus is two orders of magnitude ...
Latorre, Marcos; Montáns, Francisco Javier(Elsevier, 2018-03)
[EN] We herein present a new continuum theory for both isotropic and anisotropic elastoplasticity at large strains. The new framework has the following properties: (1) It is valid for non-moderate large strains, (2) it is ...
Latorre, Marcos; Montáns, Francisco Javier(Springer-Verlag, 2015-08-02)
[EN] In this paper a purely phenomenological formulation and finite element numerical implementation for quasi-incompressible transversely isotropic and orthotropic materials is presented. The stored energy is composed of ...
Latorre, Marcos; Montáns, Francisco Javier(Elsevier, 2020-03)
[EN] Many materials present different behavior in tension and compression. Within the infinitesimal isotropic theory, the widely used approach based on the Ambartsumyan theory presents only three independent constants to ...
De Rosa, Erica; Latorre, Marcos; Montáns, Francisco Javier(Elsevier, 2017-11)
[EN] The elastic nonlinear behavior of fiber-reinforced materials and soft biological tissues is analyzed using anisotropic hyperelastic models. Frequently, these models are not compatible with the corresponding infinitesimal ...
Sanz, Miguel Á.; Montáns, Francisco Javier; Latorre, Marcos(Elsevier, 2017-06-15)
[EN] In this paper we present a new computational framework for anisotropic elastoplasticity with mixed hardening which presents the following characteristics: (1) it is motivated by a one-dimensional rheological model ...
Latorre, Marcos; Peña, Estefanía; Montáns, Francisco Javier(Springer-Verlag, 2017-03)
[EN] What-You-Prescribe-Is-What-You-Get (WYPIWYG) procedures are a novel and general phenomenological approach to modelling the behavior of soft materials, applicable to biological tissues in particular. For the hyperelastic ...
Romero, Xavier; Latorre, Marcos; Montáns, Francisco Javier(Elsevier, 2017-10-15)
[EN] Skin is a biological material which mechanical behavior has large variations depending on the individual and the location of the specimen in that individual, among other factors. Large differences are also encountered ...
Latorre, Marcos; Montáns, Francisco Javier(Elsevier, 2020-05)
[EN] WYPiWYG hyperelasticity is a data-driven, model-free computational procedure for finite element analysis of soft materials. The procedure does not assume the shape of the stored energy function and does not employ ...
Latorre, Marcos; Montáns, Francisco Javier(Elsevier, 2013-06)
[EN] In this paper we extend the Sussman¿Bathe spline-based hyperelastic isotropic model to predict the behavior of transversely isotropic isochoric materials. The model is based on an uncoupled decomposition of the stored ...
Latorre, Marcos; Montáns, Francisco Javier(Elsevier, 2016-01-15)
[EN] In this paper we present a novel formulation for phenomenological anisotropic finite visco-hyperelasticity. The formulation is based on a multiplicative decomposition of the equilibrated deformation gradient into ...
Latorre, Marcos; Montáns, Francisco Javier(Elsevier, 2015-10)
[EN] In this work we present the material-symmetries congruency property for anisotropic hyperelastic materials. A transversely isotropic or orthotropic material model holding this property guarantees the recovery of the ...
Latorre, Marcos; Montáns, Francisco Javier(Elsevier, 2014-04)
[EN] Logarithmic strains are increasingly used in constitutive modelling because of their advantageous properties. In this paper we study the physical interpretation of the components of the logarithmic strain tensor in ...
Latorre, Marcos; Montáns, Francisco Javier(Elsevier, 2016-04)
[EN] Many biological soft tissues are structurally composed of a mostly isotropic matrix (elastin) and fibers (collagen). These fibers are not perfectly aligned but dispersed around some referential, preferred directions. ...
Sanz, Miguel A.; Nguyen, K.; Latorre, Marcos; Rodríguez, Manuel; Montáns, Francisco Javier(Elsevier, 2019-10-15)
[EN] Sheet metal forming is a very important process in industry to create a wide variety of goods. The analysis of local ductility and residual stresses is important both to assess the viability of the manufacturing process ...
Latorre, Marcos; Montáns, Francisco Javier(ASME International, 2017-08-16)
[EN] Soft connective tissues sustain large strains of viscoelastic nature. The rate-independent component is frequently modeled by means of anisotropic hyperelastic models. The rate-dependent component is usually modeled ...
Latorre, Marcos; Montáns, Francisco Javier(Elsevier, 2016-03)
[EN] In this paper we show that mapping tensors may be constructed to transform any arbitrary strain measure in any other strain measure. We present the mapping tensors for many usual strain measures in the Seth-Hill family ...
Latorre, Marcos; Romero, Xavier; Montáns, Francisco Javier(Elsevier, 2016-11)
[EN] Hyperelastic constitutive models for anisotropic biological materials are frequently based on orthotropic incompressible stored energy functions. The material parameters of these models are then obtained through an ...
Latorre, Marcos; De Rosa, Erica; Montáns, Francisco Javier(Elsevier, 2017-03)
[EN] Soft biological tissues are frequently modeled as hyperelastic materials. Hyperelastic behavior is typically ensured by the assumption of a stored energy function with a pre-determined shape. This function depends on ...
Latorre, Marcos; Montáns, Francisco Javier(Springer-Verlag, 2014-06)
[EN] We present a model for incompressible finite
strain orthotropic hyperelasticity using logarithmic strains.
The model does not have a prescribed shape. Instead, the
energy function shape and the material data of the ...