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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.

Jabar's picture

delt

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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

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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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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

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<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

Cant solve "too many attempts made for this increment"-issue on some models

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Hello at all,

 

I have some serious issues with some of my models in Abaqus 6.14. I need to simulate shear failure to investigate the influence of concrete strength and fracture energy on the size effect. So far, everything went good. I calculated almost 100 models without any problem with exactly the same model (only materials changed). But: For the combination of concrete strength fck=50MPa and a fracture energy of Gf=60N/m or Gf=80N/m, the calculations will stop after a short time although the .odb file shows only some minor bending cracks in the beam

Simpleware Intro & Live Demo - Materials Characterisation and Reverse Engineering, Rotherham, UK, June 27

Date: Monday, June 27, 2016

Time: 12:00 pm - 2:00 pm

Location: AMP Technology Centre, Advanced Manufacturing Park, Brunel Way, Rotherham, UK 

Who should attend

Abaqus Python creating a surface set in a loop

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Dear friends

I'm modelling a large penetration of a strip footing in clay soil. I'm using a Python script (Abaqus 6.13) for this.

Is it possible to solve buckling in Abaqus with only residual stress defined as predefined load?

Hi Sirs,

As title, I wondering if the problem can be solved with only material residual stress but no other external load applied?

After several trials, Abaqus returns message
"MASS OR DIFFERENTIAL STIFFNESS MATRIX IS COMPLETELY NULL. THE EIGENPROBLEM CANNOT BE SOLVED. IN A *BUCKLE ANALYSIS THE MOST LIKELY CAUSE IS THAT A NONZERO LOADING PATTERN WAS NOT SPECIFIED VIA *BOUNDARY, *CLOAD, *DLOAD, ETC,. SEE Eigenvalue Buckling Prediction IN THE ABAQUS/STANDARD USERS MANUAL"

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