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multiscale modeling

Comparing experimental fracture properties and micromechanical (or global-local/multiscale) finite element simulations

I am interested in developing a global-local finite element model (micro/macro) to simulate flexural testing of a composite material. Flexural loading will be applied on global model (macro) and crack propagation will be simulated in the local model (micro). I want to compare stress intensity factor or any other fracture property obtained from local model (micro) with that of experimental results.

I would appreciate if anyone could suggest some references/literature in this area. Any kind of suggestions would be great!

 Venkata

Parallel Multiscale modeling in ABAQUS using UMAT

Hello everyone,

I am currently in the process of implementing a multiscale modeling approach in ABAQUS/Standard.

Here is what I am doing.

Macroscale ABAQUS model <--> UMAT <--> Python script <--> Microscale ABAQUS model

So basically the microscale model is being called at every macroscale integration point. The UMAT passes the required data to python as command line arguments and the python script returns the stress and tangent modulus in a text file.

ahmedettaf's picture

MM&FGM14: 13th International Conference on Multiscale Modeling and Functionally Graded Materials

Dear Colleagues,

Please consider submitting an abstract to the 13th Internation conference on Multiscale Modeling and Functionally Graded Materials to be held on October 19-22, 2014; in  Taua Resort, SP, Brazi. More information about the conference could be found here:

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ahmedettaf's picture

17 th National Congress on Theoretical and Applied Mechanics June 15-20 (Michigan State University)

Dear all,

I would like to bring to your attention the following minisymposium that is organized as part of the NCTAM 17 (Michigan State University, June 15-20, 2014)

http://www.usnctam2014.org/minisymposium/friction-adhesion-and-fracture-...

 

Friction, Adhesion and Fracture: From microscale physics to macroscale response

rrahman's picture

Papers on MD simulation and multiscale modeling of polymer based nanocomposites


Dear Colleagues,

 I am glad to share my papers on MD simulation and multiscale moldeling of polymer based nanocomposites. 
 
MD simulation of graphene-epoxy nanocomposites:

Multiscale modeling of nanocomposites

Choose a channel featured in the header of iMechanica: 

Hello folks

I am interested in doing multiscale modeling of nano-composites but don't know much about the field.
Can someone help me from where to begin and what text to refer.

Thanks. 

 

ahmedettaf's picture

A PhD opprotunity in CEE @ UIUC

A PhD opportunity in the field of computational and applied mechanics is available in the department of Civil and Environmental engineering at the University of Illinois at Urbana-Champaign.


Qualifying candidates must have a strong background in mechanics and mathematics. Familiarity with scientific computing in one of the widely used programming languages (e.g. Fortran, C++ or Python)is required.

Research Associate in 4D Image based quantification and simulation

An excellent opportunity to work in a world leading team with privileged access to facilities that most researchers can only dream about.

Laura De Lorenzis's picture

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

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.

skumaar's picture

Three fully funded PhD positions (Fall 2013) at Masdar Institute, Abu Dhabi

Multiscale Modeling & Simulation Group at the Masdar Institute (MI) is seeking suitably qualified candidates for PhD positions (Fall 2013). Refer to attached documents for futher information.

skumaar's picture

Three fully funded MS positions (Fall 2013) at Masdar Institute, Abu Dhabi

Multiscale Modeling & Simulation Group at the Masdar Institute (MI) is seeking suitably
qualified candidates for MS positions (Fall 2013). Refer to attached documents for futher information.

Laura De Lorenzis's picture

Multiphysics and multiscale modelling of composites for renewable energy applications

A Special Session on Multiphysics and multiscale modelling of composites for renewable energy applications is being organized within the 6th ECCOMAS Thematic Conference on Smart Structures and Materials (SMART 2013, June 24-26, Torino, Italy), http://www.mul2.polito.it/smart13. Organizers are M. Paggi, L. De Lorenzis and A. Piccolroaz.

 

ludovicnoels's picture

PhD position in multi-scale modeling for robust-design of vibrating micro sensors

 The project

This project aims at improving the efficiency of the manufacturing process of MEMS while decreasing the production cost by considering at the design stage the uncertainties in such a way that a range of the MEMS properties can be predicted for the manufactured products, which will be immune to factors that could adversely affect performance. This approach is called robust design and it is focused on achieving target reliability.

dongare's picture

Two PhD positions in computational modeling of materials behavior in extreme environments

Two Graduate Research Assistantship
positions are currently available
in the Multiscale Materials Modeling
Group to support graduate study leading to a PhD in Materials Science
and Engineering at the University of Connecticut starting Spring/Fall 2013.

dongare's picture

Two PhD positions in computational modeling of materials behavior in extreme environments

Two Graduate Research Assistantship
positions are currently available
in the Multiscale Materials Modeling
Group to support graduate study leading to a PhD in Materials Science
and Engineering at the University of Connecticut starting Spring/Fall 2013.

PhD Students/Post-doctoral Associates- North Carolina State University

Our group at North Carolina State University is hiring PhD students and Post-doctoral Associates in the areas of multiscale modeling, computational mechanics, fracture, and plasticity.

Interested parties should email  zikry@ncsu.edu, and send a cv with a few representative publications.

MA Zikry 

tadmor's picture

Multiscale Short Course in Aachen in August 2012

Dear Colleague:


An intensive 4-day short course on the fundamentals of continuum, atomistic and multiscale modeling of materials will be held at AICES in Aachen, Germany during August 14-17, 2012. The course will be taught by Profs. Ellad Tadmor and Ronald Miller. Please see the attached flyer for more information.


Enrollment is limited so early registration is recommended. To register, visit http://www.modelingmaterials.org/short-courses

A.Tabarraei's picture

Ph.D. Positions in Computational Solid Mechanics

Fully funded Ph.D. positions are available in the Department
of Mechanical Engineering & Engineering Science at the University of North
Carolina at Charlotte. The research focus will be on developing and 
using multiscale methods for modeling nanocomposites and nanomaterials. Candidates should have a BS or MS degree in
mechanical engineering, material science, civil engineering or other related
areas. Computational experience at the continuum or molecular level is
preferred but is not necessary.  Interested
candidates please send a CV to
atabarra@uncc.edu

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