finite elements
deal.II finite element library course
Submitted by mac on Thu, 2013-05-02 05:47.Dear fellow researcher in finite elements
We will be hosting a 3 day course on the state-of-the-art open-source finite element library deal.II . The course will be run by Prof Wolfgang Bangerth from Texas A&M. It will take place in Cape Town, South Africa, from 5-7 August 2013. The course is aimed at postgraduate students and researchers who wish to learn the fundamentals of deal.II for use in their own research.
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Finite element software with analytical sensitivity analysis
Submitted by edub on Thu, 2013-04-04 13:42.
As structural optimization can be, of course, greatly sped up with the use of analytical sensitivies (analytical gradients) of the e.g. stress with respect to geometrical design variables, I wanted to inquire which FE software has the functionality. The ones I am aware of: NASTRAN can and ANSYS cannot. How about others?
Many thanks in advance!
Minisymposium on Electronic-Structure Methods at USNCCM12
Submitted by N. Sukumar on Wed, 2013-02-20 03:15.Dear Colleagues:
We would like to invite you to submit a contribution to a minisymposium that we are organizing on Emerging Methods for Large-Scale Quantum-Mechanical Materials Calculations at the 12th US National Congress on Computational Mechanics, to be held July 22-25, 2013 in Raleigh, NC. This minisymposium aims to bring together leading researchers in this emerging area to discuss and exchange ideas on new methods developments for density-functional calculations, mathematical analysis, and applications of ab initio methods in electronic-structure calculations.
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A review on multiscale methods for material modeling
Submitted by vinh phu nguyen on Wed, 2012-10-31 05:54.Dear all,
Please find enclosed our paper which is published on Journal of Multiscale Modelling
Vol. 3, No. 4 (2011) 1–42 which gives an overview of state of the art multiscale techniques for material modeling.
The paper discusses the following topics: homogenization, Representative volume element, computational homogenization (Fe2 methods) for both both bulk materials and strong discontinuities.
I hope the paper is useful for beginners to the field.
All the bests,
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Workshop on Generalized Barycentric Coordinates in Geometry Processing and FEM/BEM
Submitted by N. Sukumar on Thu, 2012-05-31 21:01.================================================================
Call for participation
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Workshop on Barycentric Coordinates in Geometry
Processing and Finite/Boundary Element Methods
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Post-doctoral position at TU Darmstadt, Germany: Numerical methods in Solid Mechanics
Submitted by Dr. Carsten Broese on Thu, 2012-05-31 13:42.A post-doctoral position is available at our continuum mechanics workgroup (Prof. Tsakmakis, TU Darmstadt, Germany) for developing user subroutines and user elements in finite element programs.
Experience in nonlinear finite element analysis, numerical methods in solid mechanics and FORTRAN 90 is needed.
If you are interested, please contact me, Dr. C. Broese, broese@mechanik.tu-darmstadt.de
(Opening date: June, 1st 2012 - Closing date: June, 30th 2012)
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Post Doc Position: Risk-based Selection of Constitutive Models for Geotechnical Analysis, EC Nantes (France)
Submitted by Panagiotis KOTRONIS on Thu, 2012-05-10 21:29.Post Doc description:
Soil, as a typical natural material, has very complex behaviour which is very difficult to be accurately modelled. In geotechnical engineering, about half of the accidents are caused by insufficient designs. The soil’s constitutive model is the fundamental issue for modelling and analyzing soil-related engineering systems.
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Post-doctoral position in biological and biomimetic materials at McGill University
Submitted by Francois Barthelat on Thu, 2012-04-19 19:07.I have an open position for a Post-doctoral researcher in the area of the mechanics of biological materials and novel biomimetic materials, starting immediately. The projects involve mechanics of biological and engineered nano and micro-interfaces, mechanics of fish scales, and design, fabrication and testing of composite materials inspired from nacre. The successful candidate will lead 1-2 projects and will be involved in another 2-3 ongoing projects in these areas, in collaboration with graduate students (more below).
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Finite Element Modelling of Soft Matter
Submitted by Chris Szalwinski on Sat, 2012-04-14 12:41.I'm interested in developing finite element software for soft matter configurations. Is there any open source FE software already developed for such materials? My purpose is to research and develop algorithms that use GPU technology for modelling complex materials on a desktop
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Post-doctoral position in multidisciplinary design optimization (ULB-BATir, Belgium)
Submitted by ULB-BATir on Mon, 2012-02-06 08:35.Environment
The post-doctoral position will be accomplished within the BATir (Building, Architecture & Town planning) department of the Brussels School of Engineering/´Ecole polytechnique de Bruxelles, at the Universit´e Libre de Bruxelles (http://batir.ulb.ac.be ). Duration of the position: 18 months, starting in April 2012.
Profile
The applicant should hold a PhD in computational mechanics. Additional competences in numerical optimization, and structural finite elements, as well as programming skills (in MATLAB, PYTHON, C++, or any equivalent programming anguage) will be highly appreciated.
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First order linear system
Submitted by D Rabinovich on Tue, 2012-01-31 14:16.A linear (hyperbolic) first-order system has to be solved using Finite Elements.
As I understand usually non-standard discretizations are used in this case (Discontinuous Galerkin for example).
What is the reason for this? Can such an equation be modeled using standard Galerkin methods (say, linear finite elements)?
Would standard Galerkin discretization cause instability of the solution?
Thanks,
Daniel
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Post-Doc Opening at MIT:Bio-inspired Architectural Armor Design
Submitted by ChristineOrtiz on Mon, 2011-08-01 04:12.Post-Doc Opening: Bio-inspired Architectural Armor Design
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3-Noded Triangle with Drilling Rotations
Submitted by John Craighead on Wed, 2010-11-03 17:06.I'm trying to better understand the 3-noded triangular element with drilling rotations.
I think that the 3-noded triangle with drilling rotations is derived from the 6-noded linear strain triangle by, for mid-side nodes, constraining out-of-plane dof & converting in-plane dof to nodal rotation.
In particular, I'm wondering about the following:
1) Whether strains are constant (like 3-noded CST) or vary (like 6-noded LST) within the element ? Some of the literature seems to refer to constant strain (from translational dofs) & higher order strain (from rot'n nodes) being superimposed.
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Mechanical Response of Multicrystalline Thin Films in Mesoscale Field Dislocation Mechanics
Submitted by Saurabh Puri on Thu, 2010-09-23 14:50.
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PhD position : hex mesh generation
Submitted by remacle on Wed, 2010-08-04 19:36.Two PhD studentships opportunities are available at the Universite catholique de
Louvain in Belgium for outstanding candidates.
The aim of the project is to develop a novel approach for generating
dominant hex meshes for general/complex 3D models. The approach will be based
both a generalisation of Lloyd's algorithm and on the resolution of some kind of
PDE in the domain in order to compute distances, curvatures, surface
geodesics... We look here for an indirect approach i.e. we first generate the
points and then reconnect them. All the developments will be done in the
framework of gmsh (http://www.geuz.org/gmsh).
Successfull candidates should have a strong background in applied
mathematics/numerical methods for CFD. Some knownledge of mesh generation
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Position for Research staff member at Leibniz Universität Hannover, Germany
Submitted by Hirschberger on Tue, 2010-03-02 19:04.
The Graduate School MUSIC ("Multiscale Methods for Interface Coupling") and the
Institute of Continuum Mechanics at Leibniz Universität Hannover invites
applications for a position as a
Research Staff Member in Computational Mechanics
(Salary scale E13 TV-L)
to be appointed on 1 April 2010.
The position is embedded into the Junior Research Group on „Multiscale Modelling of
Materials and Interfaces with Size Effects” and is initially limited to 1 year.
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Comparison of experimental and numerically generated fringe patterns
Submitted by Arun Krishnan on Mon, 2010-03-01 20:23.
Modeling grain boundaries using FEM (Abaqus)
Submitted by ayoub on Tue, 2009-12-01 19:22.Hi,
I would like to model a microstructure using Abaqus. My question is how to deal with the grain boundaries ? Should I use cohesive elements ? Any ideas on modeling grain boundaries using FEM will be very helpfull.
Thanks,
Ayoub
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Poroelastic properties from indentation tests
Submitted by MichelleLOyen on Mon, 2009-11-02 22:01.- MichelleLOyen's blog
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higher order shell theories and finite elements
Submitted by ranababu on Sat, 2009-09-26 10:33.Hello,
Recently I faced few questions in a course that I am attending:
1) Outline the salient features of different higher order shell theories.
2)Explain why some shell theories are not suitable as the basis of element formulation.
3) Discuss any limitations of elements being used in relation to their underlying formulation ( e.g use of shallow shell theory or cylindrical shell theory).
Finite elements based on shell theories
Submitted by ranababu on Fri, 2009-09-25 18:09.
Hello,
Recently I faced two questions in course that I am attending:
1) Outline the salient features of different higher order shell theories.
2)Explain why some shell theories are not suitable as the basis of element formulation.
3) Discuss any limitations of elements being used in relation to their underlying formulation ( e.g use of shallow shell theory or cylindrical shell theory).
Postdoctoral Fellow in Computational Mechanics
Submitted by John E. Dolbow on Fri, 2009-07-10 19:03.A postdoctoral fellowship is available in the Duke Computational Mechanics Laboratory, beginning in September of 2009 (with flexibility on timing). Funding for the fellowship concerns research in the simulation of large-scale fragmentation phenomena. The ideal candidate will have experience in some combination of the following areas:
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Open PhD position at the University of Stuttgart, Germany
Submitted by Christian Linder on Mon, 2009-05-11 12:11.
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Finite Element Error Analysis
Submitted by Sanjay Govindjee on Tue, 2009-02-24 04:07.There are a lot of coures on finite element methods and many that touch upon aspects of finite element error analysis. One thing, however, that is hard to learn in a consice form are the essential aspects of a priori error analysis. These involve a decent knowledge of variational properties of BVPs and a good understanding of interpolation theory. In a very very modest attempt to help some students in my undergraduate FEA course I prepared some notes to introduce them to some of the more mathematical aspects of FEA analysis. They are strictly one dimensional and linear to help with the understanding.
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