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Kinetic Energy-Based Temperature Computation in Non-Equilibrium Molecular Dynamics Simulation

Submitted by Bin Liu on

      The velocities of atoms in MD simulation are not objective quantities, which depend on the choice of the reference frame and sample size. In our previous study (node/3181), we discussed how to overcome this non-objectivity and compute the atomic stress objectively. In this blog, our newly published paper on temperature computation is attached, and the abstract is as follows.

NNIN/C @ Michigan Webinar: Solving for Micro and Macro-scale Electrostatic Configurations using Robin Hood Solver

Submitted by Parameshwaran … on

The NNIN/C at the University of Michigan will be hosting a presentation on “Solving for Micro and Macro-scale Electrostatic Configurations using Robin Hood Solver.”, which will be broadcast live as a web based seminar.

Topic: Solving for Micro and Macro-scale Electrostatic Configurations using Robin Hood Solver.

Date: March 14th, 2013

Time: 11:00 am – 12:00 pm EDT.

Presenters:

Toni Drabik, Sales Director at Artes Calculi Ltd.

Hrvoje Abraham, CEO, Artes Calculi Ltd.

Abstract:

PhD and Post-Doc positions in Computational Mechanics at the Technische Universität Braunschweig, Germany

Submitted by Laura De Lorenzis on

PhD and Post-Doc positions are now available at the Institut für Angewandte Mechanik of the Technische Universität Braunschweig, Germany. Both are full-time fixed-term positions for 2 years with the possibility of renewal.

Material Modelling

Submitted by balamanicd on

Hi all,

      I doing modelling on soft clay behaviour which exhibit softening behaviour during constant strain loading. Here i followed a non-associated flow rule for better prediction of dilation . For the case of non-associated flow rule yield function and plastic potential function should not same i clear in that , my doubt is that we can use two different surface for yield and plastic potential function (eg: linear surface as yield surface and elliptical surface as plastic potential )? 

Three PhD positions in Nanomechanics at Norwegian University of Science and Technology (NTNU)

Submitted by Zhiliang Zhang on

The Norwegian University of Science and Technology (NTNU) announces three vacant PhD positions in the area of Nanomechanics. NTNU is responsible for educating 80% of the total master level engineers in Norway and represents academic eminence in technology and natural sciences as well as in other academic disciplines. The activity at NTNU includes international collaboration with a large number of industries and academic institutions. The topics of the three PhD positions are strongly connected to industrial applications.

SES 2013: Experimental Nanobiomechanics Symposium

Submitted by Majid Minary on

Dear Colleagues

The SES 50th Annual Technical Meeting will be held July 28-31, 2013 at Brown University (Providence, RI, USA).

I would like to invite you to submit an abstract to the symposium: "Experimental Nanobiomechanics", under Mechanics of Biological and Soft materials.

Academic posts (Lecturer/Senior Lecturer/Reader/Professor) in Computational Mechanics(including Fracture Mechanics, Inelasticity

Submitted by Charles Augarde on

Academic posts (Lecturer/Senior Lecturer/Reader/Professor) in Computational Mechanics(including Fracture Mechanics, Inelasticity and Geomechanics) Durham University, UK

Up to four posts are available to join an existing team including a number of recent young hires (Akkerman, Koziara, Coombs, Giani, Mao, Gonnet ... ) in a general engineering school which also includes computer science. We are now one of the largest groups in computational mechanics in the UK.

A Geometric Structure-Preserving Discretization Scheme for Incompressible Linearized Elasticity

Submitted by arash_yavari on

In this paper, we present a geometric discretization scheme for incompressible linearized elasticity. We use ideas from discrete exterior calculus (DEC) to write the action for a discretized elastic body modeled by a simplicial complex. After characterizing the configuration manifold of volume-preserving discrete deformations, we use Hamilton's principle on this configuration manifold. The discrete Euler-Lagrange equations are obtained without using Lagrange multipliers.