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“Deflecting elastic prism” and unidirectional localisation for waves in chiral elastic systems

Submitted by Giorgio Carta on

For the first time, a design of a “deflecting elastic prism” is proposed and implemented for waves in a chiral medium. A novel model of an elastic lattice connected to a non-uniform system of gyroscopic spinners is designed to create a unidirectional wave pattern, which can be diverted by modifying the arrangement of the spinners within the medium.

MIT Multiscale Materials Design Course 2017 / June 12-16, 2017

Submitted by Markus J. Buehler on

Spend a week at MIT and earn a MIT certificate. A great opportunity for postdocs and graduate students. Limited number of fellowships available. 

June 12-16, 2017

URL: http://professional.mit.edu/programs/short-programs/multiscale-materials-design 

PhD position in Mechanics of Solids and Structures for Fall 2017

Submitted by Yaning Li on

 

A Ph.D position in mechanics of solids and structures is now open for Fall 2017 in Mechanical Engineering Department at the University of New Hampshire. We are looking for highly motivatied students to work on NSF and DoD projects.

The applicant is also qualified for applying for a one-year Fellowship.

Please contact Professor Yaning Li for details.

Email: yaning.li [at] unh.edu

SABIC Technology Internship Program, Summer 2017 in Mt. Vernon, Indiana

Submitted by Devendra Bajaj on

SABIC is looking for talented candidates to join the Technology Internship Program in Mount Vernon, Indiana for summer 2017 assignments. Program participants will gain meaningful work experience and get a close look at possible careers in industrial R&D. Typical assignments include process technology development, lab polymer syntheses, new polymer resins/blends research and characterization of intermediates and final products.

Requirements • Junior and senior level undergraduates with graduate school plans and current graduate students are preferred.

New distortional yield surface model: Application in cyclic uniaxial and multiaxial loading: Rokhgire, Nayebi*, Chaboche

Submitted by Nayebi on

This paper is concerned with the ratcheting prediction for steels. The yield surface evolution is integratedin the elastoplasticity analysis by a new proposed model. First, the new proposed model of DistortionalYield Surface (DYS) is developed and then ratcheting under different uniaxial and multiaxial cyclicloadings is investigated. The capabilities of the DYS model is assessed by using the results of variousstress-controlled and strain-controlled tests under uniaxial loading condition and the cyclic uniaxial experimentalresults of Hassan and Kyriakides (1994a).

postdoc opportunity in computational stochastic mechanics at NRL

Submitted by Kirubel Teferra on

There is up to 3 years funding available for a postdoctoral fellowship in computational stochastic mechanics pertaining to microstructure property relationships in metal alloys. The position is open to US citizens and permanent residents. Please see the link below for more details as well as by sending an email to: kirubel.teferra [at] nrl.navy.mil. Thank you.