micromechanics

Textile Composite Property Calculator in the Cloud

Submitted by Wenbin Yu on Fri, 12/02/2016 - 03:03

I hope this information will be helpful for some researchers. We recently integrated TexGen with SwiftComp, called TexGen4SC, to provide a very easy app to compute thermoelastic properties for textile composites for all the types of woven microstructures which can be generated by TexGen. This tool can achieve RVE analysis accuracy with a very small fraction of its computing time. This tool can respect the finite thickness of a woven fabric. It can be freely launched on any device (smart phones, ipads, etc) connected to Internet.

A Better Alternative to RVE Analysis

Submitted by Wenbin Yu on Thu, 10/27/2016 - 02:37

research

Mechanics of Structure Genome

micromechanics

composites.

RVE analysis is popular for computational homogenization. It can be used independently for virtual testing or as a module for multiscale modeling. Its popularity is mainly due to the maturity and acceptance of commercial finite element software. RVE analysis usually requires a 3D domain to obtain 3D properties and local fields. If a 2D RVE is used, only 2D properties and local fields are obtained. To obtain the complete set of properties, multiple analysis is needed. For example, to obtain the complete stiffness matrix, six 3D RVE analyses are needed.

Post-doctoral position in failure micromechanics

Submitted by Ravi Sastri Ayyagari on Wed, 09/07/2016 - 01:42

job

failure

micromechanics

crystal plasticity models

There is an opening for a post-doc in Prof. Shailendra Joshi’s research group at NUS, starting November 2016, in the area of micromechanics of advanced structural steels. An ideal candidate for this position must possess a PhD in mechanical engineering or related field with a strong background in computational materials mechanics.

Fully – funded PhD opportunity in Metal-Forming and Materials Modelling Group, Imperial College London, Deadline 31st of Aug. 2016

Submitted by Jiang_Jun_Meta… on Thu, 07/28/2016 - 11:31

The Metal Forming and Materials Modelling group wishes to provide a FULLY funded studentship to EXCEPTIONAL candidates to conduct PhD research work in the Mechanical Engineering department, at Imperial College London. The research work will be focused on the development of novel metal forming technologies, e.g.

RVE analysis without BCs and periodic mesh requirements

Submitted by Wenbin Yu on Sun, 06/19/2016 - 21:56

research

micromechanics

Composites

constitutive modeling

Mechanics of Structure Genome

SwiftComp

RVE analysis becomes a routine exercise in material modeling. Usually it is carried out using finite element codes such as ABAQUS or ANSYS. The main thing one should pay attention is to applying the right boundary conditions. It is settled that periodic boundary conditions are the preferred boundary conditions to be applied. The BCs are that u_i-\epsilon_{ij}x_j should be equal on the corresponding edges. This type of boundary conditions can be applied using coupled equations constraints. This requires that one creates a mesh with corresponding nodes on periodic edges.

Abstract deadline approaching - 37th Risø International Symposium on Materials Science: "Understanding performance of composite materials – mechanisms controlling properties"

Submitted by Bent F. Sørensen on Mon, 03/07/2016 - 20:19

The deadline of Abstract submission for the 37th Risø International Symposium is the 15th March 2016. The theme of the symposium is the scientific basis for understanding the performance of composite materials.

Micromechanics Simulation Challenge

Submitted by Wenbin Yu on Mon, 01/25/2016 - 23:00

cdmHUB has completed the level I micromechanics simulation challenge. Several micromechanics methods/tools including both commercially available tools such as Altair MDS, ESI VPS, Digimat, SwiftComp and research codes such as MAC/GMC/HFGMC and FVDAM, are used to analyze six typical 2D/3D microstructures. All the results and model files, inputs and outputs, and the report are hosted on cdmHUB as a live project at https://cdmhub.org/projects/mmsimulationchalleng/.

37th Risø International Symposium on Materials Science: "Understanding performance of composite materials – mechanisms controlling properties"

Submitted by Bent F. Sørensen on Wed, 01/13/2016 - 19:47

The theme of the coming 37th Risø International symposium is the scientific basis for understanding the performance of composite materials.

A paper on: Mathematical modeling of the overall time-dependent behavior of non-ageing viscoelastic reinforced composites.

Submitted by El Kouri mohamed on Tue, 01/12/2016 - 17:35

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Materials Forum

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Viscoelastic composites

convolution integrals

abstract:
New mathematical and numerical formulations are developed for effective time-dependent non ageing viscoelastic behavior of linear viscoelastic composites. The modeling is based on the dynamic Green's functions, integral equations, and Volterra product. The time concentration tensor is derived through numerical solution of the integral equation and the Mori-Tanaka micromechanical

Postdoctoral position in Multiscale Modeling and Experimental Characterization of Polymer Composites under High Strain Rate Deformations

Submitted by moh22000 on Mon, 09/28/2015 - 03:01

Applications are invited for an immediate Postdoctoral position within the Cognitive Performance Optimization Laboratory (COPOL) in the Department of Mechanical Engineering at the University of New Brunswick. The candidate will perform research in the area of multiscale modeling and failure analysis of high-performance light materials such as Long Fiber Thermoplastic Composites under high strain rate deformations.

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