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The first experimental evidence of the Ziegler destabilization paradox

Submitted by Oleg Kirillov on
research
Ziegler destabilization paradox
nonconservative force
Damping
FOLLOWER FORCE
Pfluger column
Beck column
experiment

A “flutter machine” is introduced for the investigation of a singular interface between the classical and reversible Hopf bifurcations that is theoretically predicted to be generic in nonconservative reversible systems with vanishing dissipation. In particular, such a singular interface exists for the Pflüger viscoelastic column moving in a resistive medium, which is proven by means of the perturbation theory of multiple eigenvalues with the Jordan block.

Novel silicon nanowire-based 3-dimensional devices and systems

Submitted by MNasr on
research
# Nanowire; #MEMS; #Integration; #Semiconductor_Manufacturing; #CMOS_Compatibility
A new approach for monolithic integration of silicon nanowires with 3-dimensional devices (for more details of the project see:https://www.researchgate.net/project/Novel-silicon-nanowire-based-3-dim…). 

Materials-by-design: computation, synthesis, and characterization from atoms to structures

Submitted by Jingjie Yeo on
research
molecular dynamics simulation
DFT
computational simulation
finite element methods
design
resilience
multiscale
modeling
materiomics
materials Physics
additive manufacturing

https://doi.org/10.1088/1402-4896/aab4e2 In the 50 years that succeeded Richard Feynman’s exposition of the idea that there is "plenty of room at the bottom" for manipulating individual atoms for the synthesis and manufacturing processing of materials, the materials-by-design paradigm is being developed gradually through synergistic integration of experimental material synthesis and characterization with predictive computational modeling and optimization.

Biomechanical Testing

Submitted by Deniz Yalcin on
research
Material Testing
biomedical devices and biomechanics
Design and Biomedical engineering

Biomechanics & Biomechanical Testing

Full blog post can be found here. 

Key concepts for medical device design include biomechanics, biocompatibility, and biofunctionality. This post will go over the mechanics of an exemplar biological tissue, the bone, and mechanical testing of biomaterials that are used in developing medical devices and equipment.

Effects of oscillating pressure on desalination performance of transverse flow CNT membrane

Submitted by Jingjie Yeo on
research
molecular dynamics
desalination
water
pressure
oscillatory
salt
pulsation
nanomaterial
membrane
CNT
Carbon nanotube

https://doi.org/10.1016/j.desal.2018.03.029 In parallel with recent developments in carbon nanomaterials, there is growing interest in using these nanomaterials for desalination. To date, many studies have affirmed the potential of using such nanomaterials for constant pressure desalination operation. In this work, the performance of such membrane when subjected to oscillatory pressure at sub-nanosecond is investigated in detail.

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