constitutive equation
How to identify a hyperelastic constitutive equation for rubber-like materials with multiaxial tension–torsion experiments
... tends to 1, i.e. for uniaxial tension, the best set of mechanical quantities to retain is the one of principal stretch ratios. Finally, we have established that Cauchy stress components can be directly calculated from ...
12
Permanent set and stress softening constitutive equation applied to rubber like materials and soft tissues
... new constitutive equation is proposed in this ...hyperelastic constitutive equation whereas the second one is described by an evolution function introduced in the hyperelastic strain ...
15
Evaluation of a tube-based constitutive equation using conventional and planar elongation flow optical rheometers
... 3 Constitutive equation and preliminary identification Previous rheometry data were used to fit a set of multi- mode Marrucci and Ianniruberto model (2003) param- ...2003) equation for tube ...
16
A thermodynamic model of nanofluid viscosity based on a generalized Maxwell-type constitutive equation
... the constitutive equation for ∂η/∂P as assumed to be given by the linear relation ∂s/∂P = -(γ 1 /ρ) P, where γ 1 is a material coefficient depending generally on ρ and T, γ is positive definite in order to ...
24
Measuring stress field without constitutive equation
... 5 Conclusion In this paper, an original coupled experimental-numerical method has been pro- 380 posed to measure heterogeneous stress fields. Indeed, mixing DIC measurements with the recent Data Driven Identification ...
25
Constitutive Equation Gap
... of constitutive equation gap to identification problems initially focused on model updating using vibrational data (experimental information on natural frequencies and modal displacements, possibly after ...
27
Analytical solutions for the thick-walled cylinder problem modeled with an isotropic elastic second gradient constitutive equation
... e.g. Germain (1973a,b) ). The names of the models used in this pa- per is our choice. This is necessary since there is no general agree- ment concerning this point. In Section 4 , the equations to be solved in the case ...
11
Data Driven Constitutive identification
... which constitutive equation vanishes and is replaced by a database of strain-stress couples (called states) which sample the mechanical response of the ...
13
Constitutive equations for coupled flows in clay materials
... of a single capillary saturated by a binary 1:1 electrolyte. These equations are then upscaled to the scale of a network of tortuous capillaries embedded in a homogeneous and continuous mineral matrix, including the ...
22
Activité constitutive et adressage axonal du récepteur cannabinoïque neuronal CB1
... l’activité constitutive du récepteur, nos travaux ainsi que ceux de Marion et al (Marion et ...l’activité constitutive et la proportion de récepteurs présents dans les différentes étapes du ...l’activité ...
196
CASH Only: Constitutive Autonomy through Motorsensory Self-Programming
... Abstract: Constitutive autonomy is the capacity of an entity to perpetually develop its individual constitution and coupling with its ...gain constitutive autonomy through motorsensory self-programming – a ...
16
A continuum constitutive model for amorphous metallic materials
... (b) Nominal shear stress versus shear strain response of the grain-boundary region in simple shear, using representative values of material parameters for the amorphous [r] ...
161
A constitutive model for uncemented and grouted sands
... Introduction Constitutive models have been previously proposed in the literature in order to simulate the mechanical behavior of cemented soils (Hirai et ...
7
Thermodynamics-based Artificial Neural Networks for constitutive modeling
... Consequently, we can state that TANNs show high degree of robustness to noise, when compared to ANNs. 7. Concluding remarks A new class of artificial neural networks models to replace constitutive laws and predict ...
46
Constitutive equations for superelasticity in crystalline shape-memory materials
... With this brief introduction, the purpose of this thesis is to formulate and nu- merically implement a crystal-mechanics-based constitutive model for shape-memory mate[r] ...
221
A Variational Visco-Hyperelastic Constitutive Model for Glassy Polymers
... [11] E.A. Fancello, J.P. Ponthot, L. Stainier. A variational framework for nonlinear viscoelastic models in finite deformation regime. Journal of Computational and Applied Mathematics 215 , 400–408 , 2008. [12] E. ...
9
vecteur normal - equation de cercle
... 4) Exemple 1 : Equation du cercle de centre Ω( 1 ; 0) et de rayon 2. On a : − 1 + + − 0 + = 2 2 x 2 – 2x + 1 + y 2 = 4 x 2 – 2x + y 2 = 3. Exemple 2 : Equation du cercle C de diamètre [AB] avec A(–1 ; ...
2
Constitutive modeling of Cu-Al-Ni shape memory alloys
... While the free-energy was valid for a small range of temperatures around the trans- formation temperature, the mechanical analog model used to derive the kinetic [r] ...
110
479 - Proposition d’amendement à la première clause de la loi constitutive du CATIE
... pour objet de créer une association civile à caractère scientifique et éducationnel, dotée d’une personnalité juridique propre, qui se consacrera à la recherche dans [r] ...
3
Constitutive equations for hot working of aluminum alloy 6061
... In summary, the results of isothermal, constant strain rate compression tests are con- clusive and consistent. Strain hardening is not exhibited in the temperature and strain rate[r] ...
31