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Material modeling

Postdoc (3 years) on Advanced Material Modelling using Finite Element Analysis for Technical Textiles and Textile Manufacturing

Fri, 2023-10-20 08:54 - wvpaepeg
job
textile
finite element modeling
Material modeling
Multi-scale modeling
computational mechanics
FEM

We are seeking a dedicated postdoc on advanced material modelling in the textile domain. In this project you will dive deep into a cutting-edge research area, exploring the complexities of advanced textile material modelling. You will be part of a team of 4 researchers (3 PhDs and one postdoc) who will all work on this large research project. The postdoctoral researcher is also expected to support the 3 PhD students and act as a mentor and tutor for them.

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PhD (4 years) on Advanced Material Modelling using Finite Element Analysis for Technical Textiles and Textile Manufacturing

Fri, 2023-10-20 08:53 - wvpaepeg
job
textile
finite element modeling
simulation
Multi-scale modeling
Material modeling
computational mechanics

We are seeking a dedicated PhD candidate on advanced material modelling in the textile domain. In this project you will dive deep into a cutting-edge research area, exploring the complexities of advanced textile material modelling. You will collaborate closely with an research team comprising 2 other PhD students and a postdoctoral researcher.

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Viscoelastic material modeling

Fri, 2019-01-25 08:48 - lefteris tsivolas
Forums: 
Materials Forum
Free Tags: 
viscoelasticity
Material modeling
Prony Series
FEA
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research

Hello,

I have a question regarding viscoelastic materials and property definitions through prony series.

If i am not wrong ,the values wi and τi of the series can be expressed either in terms of time domain or frequency domain.

Having the prony series expressed at time domain, how can the relaxation tensor be expressed? Do i still need to perform

Laplace-Carson transformation, of the time dependent relaxation and creep functions or their prony series expression is enough,

so i can get the full relaxation tensor (isotropic case) as:

 

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Modeling of a reinforced concrete beam under a rolling load.

Fri, 2011-04-15 09:20 - Taddei.Pazzaglia
Forums: 
Fracture Mechanics Forum
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software
Free Tags: 
Material modeling
concrete damaged plasticity

Hi, we're trying to model with ABAQUS a reinforced concrete beam under a rolling load. We want to investigate the compressive low cycle fatigue of reinforced concrete elements under a variable bending moment. We are using a Static Step (total step time: 18000 sec) and a concentrated force applied on the middle cross section with the following load history*:

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Modellilng Deep and shallow foundations in Abaqus

Thu, 2010-07-01 04:20 - pedromvf
Forums: 
Ask iMechanica
Free Tags: 
Plasticity
Material modeling
3D modeling
properties

Dear All,

I decided to put this post since I am trying to model piles on granular materials with Abaqus and I am having LOADS of problems, some of them due to my lack of understanding in the subject and others becasue there is not enough information around. Some of my problems are:

1- convergence problems: I am using Mohr coulomb for the soil and elasticity for the pile. If the difference between Young's modulus for both materials is to big it does not converge on Abaqus Static. If I do not put a bit of cohesion in my soil it also does not converge.

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