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Printing, folding and assembly methods for forming 3D mesostructures in advanced materials

Submitted by Yihui Zhang on
research

Emerging materials and methods for fabricating 3D micro- and nanostructures provide powerful capabilities of relevance across diverse areas of technology. This Review highlights the latest results and future trends associated with the most powerful methods in 3D printing, folding and assembly. 

Read the article: Nature Reviews Materials 2, 17019 (2017) (Cover Feature Article)

Gradient plasticity crack tip characterization by means of the extended finite element method (MATLAB code included)

Submitted by Emilio Martíne… on
research
strain gradient plasticity
extended finite element method
Crack tip fields
material length scale
Matlab

I hope some of you may find this work interesting, the X-FEM non-linear code developed (incorporating linear elasticity, J2 plasticity, and Strain Gradient Plasticity) can be downloaded from www.empaneda.com/codes

Gradient plasticity crack tip characterization by means of the extended finite element method

Emilio Martínez-Pañeda, Sundararajan Natarajan, Stéphane Bordas

Computational Mechanics (2017)

looking for phd position in computational mechanics

Submitted by bilelsandel on
research
PHD position
composite
biomechancis
numerical modeling
shape optimization

hello 

am looking for a phd position in compututional mechanics i have a good backgroun in numercial simulation and mathematical modeling with MS in mechanical engineering i was working in many topic from material modeling (dammage ,metal forming ...) composite modeling and simulation (continue element of composite shell in high frequency,hommoginazation method crush simulation ,... ) i have a experience in biomechanic modeling and simulation 

i have a good programming skills : fortran c++,python 

finite element ,boundary element,xfem

Susmel-Papuga sharp controversy about multiaxial fatigue criteria

Submitted by Mike Ciavarella on
research
Fatigue
multiaxial fatigue
Failure Criteria

I recently came across this sharp controversy between Papuga and Susmel on multiaxial fatigue criteria.  Papuga accuses Susmel of "picking up" data that he likes from the literature, disregarding other data... And of having some constants in the criteria that are set a posteriori as fitting parameters.   Do you know how this ended up?  Anyone else partecipated to the debate?

 

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