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Webinar: Biological Modeling for Noninvasive Brain Stimulation, Dec 7th 2016

Presented by Dennis Truong (City College of New York, USA) 

Wednesday, December 7, 2016: 9 AM PST (West Coast) / 12 PM EST (East Coast) / 5 PM GMT (UK) / 6 PM CET (Europe)

Join this webinar to discover how the City College of New York and Soterix Medical Inc. use Simpleware to create robust models for investigating transcranial direct current stimulation.

Webinar: Digital Petrophysics Workflows for Cost Effective Reservoir Analysis - November 30th

Rock physics

Presented by Carlos A. Santos M. (Repsol Technology Center, Spain) 

Wednesday, November 30, 2016: 8 AM EST (East Coast) / 1 PM GMT (UK) / 2 PM CET (Europe) / 6.30 PM IST (India)

Join this webinar to discover how Repsol’s digital petrophysics workflow is producing meaningful inputs for rock typing and reservoir characterisation with the highest value solution available.

How to use non-dimensional form in open source codes instead of Units

I am using an open source FEM platform, which requires you to convert your equation system to non-dimensional form. So, there are no units specified for the parameters in the problem. If you use compatible input units, you should expect the output in matching unit - just like one would do in a normal python or C++ code for solving physical problems. I have an elasto-plastic dynamic problem to solve, and these are the parameters for the Drucker-Prager Soil Model for soft clay.

E = 5000000;                 // Young's Modulus in N/m^2 or Pa

Workshop: Advanced Biomedical Modeling, Oct 20th 2016, Reading, UK

Advanced Biomedical Modeling Workshop

Date: Thursday, October 20, 2016

Venue: Synopsys, 100 Brook Drive, Green Park, Reading, RG2 6UJ

Fee: Free to attend

Oct 26 Webinar: Reducing the Risk of Concussion Through Personalized Helmet Design

Presented by Ross Cotton (Synopsys Simpleware); Bence Gerber and Chris Quan (ANSYS) 

Wednesday, October 26, 2016: 11 AM EDT / 3 PM GMT

Simpleware and ANSYS Head Modelling

Simpleware Workshops in Guildford & Farnborough, Oct 19th and 21st

Simpleware ScanIP

We are running free workshops on using Simpleware for 3D image visualisation, analyis and model generation. Join us in Guildford and Farnborough, UK to learn about getting the most out of our software for 3D image-based modelling.

The workshops are free but pre-registration is required as places are limited.

wazy's picture

Abaquas Error for stress intensity factor calculation

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Dear All,

I am performing stress analysis using Abaqus. The model consists of 3 parts; cracked-metal plate and composites.

3D solid-element utilized for modeling the three parts. The three parts constrained by tie-element. However, the following error came, and would be so appreciated if you have any suggestions or advice to overcome this error.

'Elastic material along the crack front must be of the same type for K calculation'

Best

Simpleware 2016.09 Webinar, Sep 20th and 21st 2016

Tuesday, September 20, 2016: 5:00 PM UK (USA: 9:00 AM PDT, 12:00 PM EDT)

Wednesday, September 21, 2016: 8:00 AM UK (Europe: 9:00 AM - Tokyo: 4:00 PM - Sydney: 5:00 PM)

Borad M Barkachary's picture

Is there any way to assign element based surface for 2D shell element??

I am trying to simulate 2D metal cutting simulation using surface to surface contact in dynamic explicit model. But what I am seeing is.. there is no contact between workpiece surface with failed element (i.e. Chips) which reduces the force value during simulation.

In 3D simulation for 3D stress element (C3D8R), I can do element based surface by editing the input file. Is there any such way in 2D shell element (say CPE4R) also? Please help

JeremyCeak's picture

A treasury of knowledge

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Simpleware Version 2016.09 Now Available

We are happy to bring you the latest version of Simpleware – the 2016.09 release adds a number of new features to the previous version of the software and offers many improvements for users, with applications ranging from medical image processing to materials and industrial analysis.

JeremyCeak's picture

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JeremyCeak's picture

Essay Zone works for you!

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Simpleware Automotive Workshop, Dearborn, MI, Sep 13 2016

Date / Time: Tuesday, September 13, 2016 / 9:30 am - 12:30 pm

Location: Ford Conference & Event Center, Dearborn, MI

Fee: Free-to-attend. Pre-registration is required as places are limited

Register herehttp://simpleware.com/news-and-events/events/workshops/workshop-dearborn.html

Who should attend

Simpleware Materials Workshop, MTC Coventry, Sep 9 2016

Date / Time: Friday, September 9, 2016 / 9:30 am - 12:30 pm

Location: The MTC, Ansty Park, Coventry, UK

Fee: Free-to-attend. Pre-registration is required as places are limited

Register here

Who should attend

likask's picture

Modern and open finite element code

Hello, 

MoFEM is open and free finite element code. See short video showing how easy you can install code form scratch https://youtu.be/6opfKER7JHA. MoFEM web page is avaliable here http://mofem.eng.gla.ac.uk. If you are intersted in contribute to MoFEM code or simply use it let us know. Feel free to aks any question.

Negative Eigenvalues due to Mesh Refinement

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I will keep my post brief to begin with.

 

The model consists of 7 rectangular interference fits (with 2 of the surfaces in direct interference).  The model appears to be working perfectly fine at simulating the stresses induced due to the fits for a variety of mesh sizes.  Once the mesh sizing of the slave components is reduced to below 0.4 the job fails due to experiencing negative eigenvalues.

 

To summarize - how can mesh refinement cause cause failure in a working model?

ABAQUS concrete beam

Hi everyone 

is there any method to model the reinforcment as steel fibers inside beam element?

numerical modeling using abaqus 6.14

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What is static riks solver?? Please explain in details.. As I am a learner of abaqus I get problem understanding some things, like arc length,  increment in static riks etc.. I find that it is very useful for simulating collaps behaiour.. I wish to do a thrust experiment regarding geological setup... Please help and guide me.. 

 

Thank you 

numerical modeling using abaqus 6.14

Choose a channel featured in the header of iMechanica: 

<p>What is static riks solver?? Please explain in details.. As I am a learner of abaqus I get problem understanding some things, like arc length, &nbsp;increment in static riks etc.. I find that it is very useful for simulating collaps behaiour.. I wish to do a thrust experiment regarding geological setup... Please help and guide me..&nbsp;</p>
<p>&nbsp;</p>
<p>Thank you&nbsp;</p>

numerical modeling using abaqus 6.14

Choose a channel featured in the header of iMechanica: 

<p>What is static riks solver?? Please explain in details.. As I am a learner of abaqus I get problem understanding some things, like arc length, &nbsp;increment in static riks etc.. I find that it is very useful for simulating collaps behaiour.. I wish to do a thrust experiment regarding geological setup... Please help and guide me..&nbsp;</p>
<p>&nbsp;</p>
<p>Thank you&nbsp;</p>

numerical modelling using Abaqus 6.14

<p>What is static riks solver?? Please explain in details.. As I am a learner of abaqus I get problem understanding some things, like arc length, &nbsp;increment in static riks etc.. I find that it is very useful for simulating collaps behaiour.. I wish to do a thrust experiment regarding geological setup... Please help and guide me..&nbsp;</p>
<p>Thank you&nbsp;</p>

Modeling finite number of mass/stiffness systems on an elastic media

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Hello, 
I have to model finite number of springs with point masses on a soil layer in Abaqus representing resonators. I tried to use Reference Points on the soil layer and some Reference point above the layer and connect them with Spring/Dashpots using connecting two nodes option, I chose Line of action for the spring, then I add stiffness. In the next step I applied Point mass as inertia to the reference points above the soil. 

How to call UEXTERNALDB subroutine

Hi, I'm new user of ABAQUS. I'm trying to develop a model that involve one further output variable (the degree of cure of a polymer). I thought to use the subroutine UEXTERNALDB to write and read from an external file the array containing the values of this output variable in each element. But I couldn’t find out how to call this subroutine in the .inp file. Does anyone have any suggestion for my problem?

Thank you

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