On damage modelling for elastic and viscoelastic materials at large strain

Kaliske, Michael; Nasdala, Lutz; Rothert, H.

doi:10.1016/s0045-7949(01)00061-x

Cited by 54 publications

(27 citation statements)

References 14 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…The number of adjustable parameters is quite comparable with that in other constitutive models in viscoelastoplasticity of polymers that account for material damage (Simo 1987;Wang andHabraken 1996, Schapery 1999;Kaliske et al 2001;Lin and Schomburg 2003;Marklund et al 2008;Levesque et al 2008). …”

Section: Materials Functions P(v) A(t) φ(T) and (T)supporting

confidence: 59%

Creep failure of polypropylene: experiments and constitutive modeling

Drozdov

Christiansen

2009

Int J Fract

View full text Add to dashboard Cite

Observations are reported on isotactic polypropylene in uniaxial tensile tests with various strain rates, relaxation tests with various strains, and creep tests with various stresses at ambient temperature. Constitutive equations are derived for the viscoelastic-viscoplastic responses and damage of a semicrystalline polymer at three-dimensional deformations. Adjustable parameters in the stress-strain relations are found by fitting the experimental data. The model is applied to predict creep-failure diagrams in the entire interval of stresses. A phenomenological approach is proposed to determine a knee stress, at which transition occurs from ductile to brittle rupture. Accuracy of this method is evaluated by numerical simulation.

show abstract

Section: Materials Functions P(v) A(t) φ(T) and (T)supporting

confidence: 59%

Creep failure of polypropylene: experiments and constitutive modeling

Drozdov

Christiansen

2009

Int J Fract

View full text Add to dashboard Cite

show abstract

“…Up to present, the finite element method (FEM) is a very powerful tool for analyzing the rubber characteristic and behavior. In the past, this type of materials cannot be defined analytically because of their nonlinearities and complex geometries [15]. The critical point in modeling hyperelastic material is in the proper selection of the constitutive model.…”

Section: Introductionmentioning

confidence: 99%

FE Model of Low Grade Rubber for Modeling Housing’s Low-Cost Rubber Base Isolators

2018

View full text Add to dashboard Cite

An accurate selection of strain energy function (SEF) plays a very important role for predicting the actual behavior of rubber material in the finite element analysis (FEA). The common method for selecting the SEF is by using the curve fitting procedure. However, the behavior of some typical rubbers, such as low grade rubbers (average hardness value of 47.2), cannot be predicted well by only using the curve fitting procedure. To accurately predict the actual behavior of such specifically nearly incompressible material, a series of FEA were carried out to simulate the actual behavior of four physical testing materials, namely the uniaxial, the planar shear, the equibiaxial, and the volumetric tests. This FEA is intended to examine the most suitable constitutive model in representing the rubber characteristics and behavior. From the comparisons, it can be concluded that the Ogden model provides a reasonably accurate prediction compared to the remaining investigated constitutive material models. Finally, the appropriate SEF, i.e. the Ogden model, was adopted for modeling a low-cost rubber base isolator (LCRBI) in the finite element analysis (FEA). The simple uniaxial compression test of the LCRBI is required for validating that the selected SEF works for predicting the actual behavior of LCRBI.

show abstract

“…In order to describe hysteresis loops, physical models such as the so-called tube model have to be enriched by damping or friction elements, see e.g. Kaliske et al [6].…”

Section: Introductionmentioning

confidence: 99%