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Force integration from CPRESS is not equal to the Normal Load

Submitted by JLiu on
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Dear All,

I am running an axisymmetric model of a parabola tip on rigid surface contact under external load controlled by CLOAD. However, the CPRESS value outputed integraded over the annular areadoesnot equal to theexternal load inputed. The reaction force from the system does though.

I am suspecting that there is shaer component in the numbers given by CPRESS, but CSHEAR are all zero. Could anyone give me a hint on this problem.

 

Thanks a lot,

 

Jingjing

Lemaitre and Caboche mixed hardening model

Submitted by bitamendi on

Hi,

 

I'm working in a cyclic loding metal deformation, and I'm interesting about mixed hardening models.

 

I need help to know what is the "Lemaitre and chaboche(1990)" mixed hardening model, do enyone know? Is similar to the Amstrong-Frederic model??? How is represented the isotropic hardening?

 

 

Thanks!

Abaqus question

Submitted by qiangbo on

Hi,

I am trying to run a acoustic wave propagation simulation in Abaqus. The model is a block surrounded by water. I got the following error message:

 

AN ACOUSTIC MEDIUM IS DEFINED FOR ELEMENT 47 INSTANCE WATER-1. ONLY ACOUSTIC ELEMENTS MAY HAVE THIS MATERIAL PROPERTY.

 

I researched on the web but nothing really states this problem. Any ideas?

 

Thanks.

 

Bo

 

Simulation of wave propagation in ABAQUS/CAE

Submitted by jaeybaik on
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Hi, I am working on modeling wave propagation in ABAQUS/CAE.

I am not expert on ABAQUS and trying to figure out how it works.

I have a 2D Shell steel plate (1 centimeter by 1 centimeter) and try to obtain wave speed at any points of plate.

I put the material properties in and used ABAQUS/Explicit analysis.

Time steps are 1E-009 seconds and there are 2 steps (impulsed at the first step and propagates at the second step).

The load pluged at the amplitude with equaily spaced for 0.1 micro seconds (so it becomes impulse load).

How to use solid46 for tapered laminated plates in ANSYS?

Submitted by Hamid Keshavarzi on

Hello everyone,

I want to apply solid46 element for a variable-thickness laminated plate in ANSYS. The plate is composed of 15 layers and the three top laminas shape the tapering edge only.

I have attached a picture of plate cross-section. However I have to mesh plate thickness other than its width for
obtaining more accurate results.

I have this question:

Is it possible to use solid46 for this plate and such discretization? If yes how?

How to plot Stress Contours from ABAQUS UEL?

Submitted by sourishchakravarty on
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Hello, I am using the Abaqus UEL module to use a customised element type. I have all the  stress values at the Gauss Points (3x3 Gauss Quadrature) which I have exported through the SVARS variable. Is there any way I can plot the stress contours on the geometry in Abaqus or any other software ?

Thanks,Sourish