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ABAQUS> documentation > *.inp example files> Projectile impacting eroding plate

I have two questions about abaqus *.inp files.

first of all, as you may know, users are capable of running these type of example files through this way:

File> Import> Model...> SIMULIA>documentation>docs> v6.12> books> eif> *.inp

but when i run each of them (for instance Projectile impacting eroding plate: pl3d_erode_ccs.inp) , two important question marks above them will arised.

*MATRIX GENERATE - Global Stiffness matrix

Thank you  for your reply. I know but I was wondering if it is possible to omit them manually.

 One more question, I figured that using *MATRIX GENERATE, one could get the global stiffness, mass or load matrix in a ".mtx" file. But I am wondering why I can't get the file after the run.

 Here is the keywords:


DOFs in Abaqus


I got a simple 2D problem (a rectangular shell, static general, CPS4R element), with 557 nodes, each of them have 2 DOFs (U1 and U2), according to the data file. But when I print out the ELEMENT STIFFNESS MATRIX, for each element it is a 12x12 matrix which means the rotational DOF about z axis is also taken into account. How can I omit this 3rd DOF? Can I?

Thank you.

Temperatures updating in Abaqus (V)umat.

As we know, Abaqus/(v)umat provides the temperatures at each material point at the end of the increment, but in a thermo-mechanical problem, the heat induced by plastic deformation is unknown before the plastic strain is calculated. So, How the temperatures at material points in abaqus are updated?

Thanks in advance.


Y. T.

manz_0's picture


I am modelling an inflated sphere. The sphere is composed off two circular planar membranes joined together at the boundries. 
I have modelled the inside of the sphere as a fluid cavity and will inflate it to its threshold limit. 

I have achieved this by using the fluid cavity and fluid inflator method but for some reason when I run my input file I receive the following message: 

SIMULIA's picture

Caterpillar, Tenaris, MAN Diesel & Turbo, and more - Check out the latest SIMULIA Community News!

The latest issue of SIMULIA Community News takes a look at how engineers in the industrial equipment industry are using realistic simulation solutions to optimize performance, evaluate designs, and further their understanding of the environments they work in. Additionally, see how Mazda balances performance and weight in a steel car body and NSE Composites validates their sweep-twist wind turbine blade design that captures 12% more energy.

Help in case of modelling PIezo In Abaqus (PLEASE!!)

Hi colleage

I am modelling a Piezo Beam 2D and 3D, i have no problem with 3D when i want to apply voltage load, But in 2D, when i apply load i Dont get any results in case of stress and strain Also when i apply pressure to beam, i Must get Voltage in Piezo but nothing happend, PLEASE HELP ME IN THIS CASE; THANKS ALOT 


I'm using Abaqus in analysis of random vibration fatigue. I linked abaqus with fe-safe to calculate the fatigue life. Fe-safe didn't recognize the random load comming from Abaqus correctly, althghou it already recognize the cyclic(normal) load crrectly in one of the tutorial's attached example.

Do any body know how to solve this issue? 

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Technology Brief: Optimization of Turbine Blade Dovetail Geometries Using Abaqus and Isight

The reliability of a gas or steam turbine is strongly
dependent on the blade structural design. 
Turbine blades are subjected
to very strenuous environments such as high temperatures, high stresses, and a
potentially high vibration environment. To avoid blade failures, they must be
designed to withstand these conditions. 

A little humor for your day...Cats using Abaqus

Hi everyone,

There is a video on YouTube now of a cat using Abaqus...more specifically, the Abaqus Knee Simulator (Abaqus 6.12 release). Hope it makes you laugh: 

Have a great week!


hanrrycn's picture

how to get the pressure value inside the cohesive element

I build a water inject model with COH3D8RP element, in the simulation, I can get the pore pressure value around the cohesive element, but I can't the value inside the cohesive element. the pore pressure changed around the cohesive element because of the pressure inside the cohesive element changes, however, I can't get the value of pressure inside the cohesive element.


Anyone can help, pls!


Crushable Foam Plasticity Model (Abaqus 6.10)

I am trying to perform simulation of Crushable Foam Plasticity model. However, I am getting convergence error


Can someone please help. I have attached the image of Abaqus input data.

Thanks a lot in Advance.



Elastic-plastic analysis

Hello Everyone,

I am a beginer in using Abaqus. I am going to model a nothed specimen subjected to cyclic loads, to investigate the stress/strain distribution and so on. I would appreciate if you guide me. 


Sprunger's picture

2012 Abaqus Image & Animation Contest - Win an iPad!


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