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PhD scholarship application in Geomechanics at University of Lyon & China Scholarship Council - Study of the hydromechanical behaviour of soils using a meshless approach to model large soil movements close to geo-structures

Submitted by benoit.pardoen on
research
soil mechanics
hydromechanical behaviour
meshless approach

Full description & contact: see attached document
University & laboratory: University of Lyon, Laboratoire de Tribologie et Dynamique des Systèmes (LTDS), Ecole Nationale des Travaux Publics de l'Etat (ENTPE), Géomatériaux et Constructions Durables (GCD).
Location: Lyon, France
Period: 4-year China Scholarship Council scholarship application (only chinese student application)

Article: Influence of build direction on the fracture mechanism of 3D printed octet lattices

Submitted by susanta on
research
3D printed PLA
Octet truss
fracture mechanics
delamination
Work of fracture

Link:    https://authors.elsevier.com/c/1kR1E7tcTWs-HG    It provides 50 days' free access to the article. 

Influence of build direction on the fracture mechanism of 3D printed octet lattices,

Article: Influence of build direction on the fracture mechanism of 3D printed octet lattices

Submitted by susanta on
research
3D printed PLA
Octet truss
fracture mechanics
delamination
Work of fracture

Link:    https://authors.elsevier.com/c/1kR1E7tcTWs-HG    It provides 50 days' free access to the article. 

Influence of build direction on the fracture mechanism of 3D printed octet lattices,

Effect of notch root radius on apparent fracture toughness of Ti6Al4V alloy: experiments and simulations

Submitted by Parag Tandaiya on
research
Titanium Alloy; Fracture Toughness; Notch root radius; Experiments; FEM Simulations; Fractography

I am happy to share our paper entitled 'Effect of notch root radius on apparent fracture toughness of Ti6Al4V alloy: experiments and simulations' recently published in International Journal of Fracture. 

Rapid detachment of a rigid sphere adhered to a viscoelastic substrate: An upper bound model incorporating Maugis parameter and preload effects

Submitted by Antonio Papangelo on
research
Adhesion and fracture; adhesion; contact mechanics; friction; viscoelasticity

Just published on JMPS

Leonardo's universal friction coefficient is found to be universal after all!

Submitted by Mike Ciavarella on
research
friction
tribology granular materials
It turns out that friction coefficient 0.25 suggested as universal by Leonardo da Vinci more than 500 years ago has some universaility, as minimum friction coefficient for any granular material: it makes me proud as italian ;) 
I guess it would be interesting to show this experimental result also theoretically or numerically, any interest?
 

The Second Law as a constraint and admitting the approximate nature of constitutive assumptions

Submitted by Amit Acharya on
research

A scheme for treating the Second Law of thermodynamics as a constraint and accounting for the approximate nature of constitutive assumptions in continuum thermomechanics is discussed. An unconstrained, concave, variational principle is designed for solving the resulting mathematical problem. Cases when the Second Law becomes an over-constraint on the mechanical model, as well as when it serves as a necessary constraint, are discussed.

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