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Strength prediction of thin ply laminates: a modelling challenge solved by phase field and finite fracture mechanics

Submitted by marco.paggi on
research
Thin ply laminates
Phase field model of fracture
finite fracture mechanics

http://www.sciencedirect.com/science/article/pii/S0266353817310552

 

Postdoc in Mechanics and Materials in Extreme Dynamic Environments

Submitted by ktramesh on
job

 

The Hopkins Extreme Materials Institute at Johns Hopkins University invites applications for a Postdoctoral Fellow in experimental mechanics, with an emphasis on understanding the critical mechanisms that control the behavior of materials in extreme dynamic environments. A significant part of the research is expected to include using major national facilities such as APS. It is expected that the Fellow will also help develop the intersection of experimental mechanics and data science.

Postdoc Opening: Non-reciprocity in Acoustic Systems with Nonlinear Hierarchical Internal Structure and Asymmetry

Submitted by mjleamy on
job
acoustics
nonlinear
non-reciprocity

Location: Georgia Tech, School of Mechanical Engineering, Atlanta, GA
Advisor: Michael J. Leamy, Associate Professor
Funding Source: National Science Foundation (4 years; $2,000,000)

Postdoc and Ph.D. opening in mechanics of mechanical metamaterials and soft robots

Submitted by Jie. Yin on

Applications are invited for an immediate postdoctoral associate opening and one Ph.D. opening (Spring, 2018) in mechanics and design of mechanical metamaterials and soft robotics in the Applied Mechanics of Materials Lab of Mechanical Engineering Department at Temple University, Philadelphia, PA, US.

Postdoctoral research in topology and fiber composite optimization at UC San Diego

Submitted by alicia on
job

Applications are sought for a Post-Doctoral Researcher at University of California, San Diego (USA) to join the M2DO research lab. The primary research focus is to develop topology optimization for fiber composite material. In particular the research will develop an optimization method for structural topology as well as fiber composite architecture making essential use of the finite element method for structural mechanics. The position is initially for one year with a possibility for renewal. 

How are principal planes & eigen vectors of the stress tensor related ? | An intuitive explanation

Submitted by rajan_prithivi on
education
principal stress
principal plane
solid mechanics
strength of materials
stress
stress state
state of stress
Brittle failure
mohr circle
failure theories
structural mechanics
Eigen value
Eigen vector

To obtain the principal planes we construct the stress tensor and find the eigen vectors. Here is an attempt to explain it more intuitively rather than the use of the formal mathematical method. Hope you enjoy this video!
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This is an educational outreach initiative targeted at all engineers interested in mechanics and seek simpler explanations. Kindly share if you learn something out of this !

Here is the link to the VIDEO

Thanks,
Prithivi

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