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boundary condition in 3d model

Submitted by proussy on

here is a simple question

I have modeled the reduced section of a  tensile test specimen in 3D (a simple cylinder; falt surface in x-y plane, length in z direction).  I applied a load on one flat surface of the cylinder, and put the opposite flat surface as a symmetry plane. 

When I plot the result after the simulation of a tensile test, the cylinder moved in the direction perpendicular to the application of the load.  I was expecting it only to increase in length in the z direction.

ANSYS

Submitted by BALTAR on

Hello

I am using ANSYS for structural ANALYSIS, I want to add PML or absorbing boundary condition in my simulation:

I have a look at help of ansys, there is absorbing boundary for Electermagnetic domain , Structural fluid ,...

I am not able to find the absorbing boundary condition only for structural domain .

Please can sb help me to know that I can add absorbing boundary condition for structural domain in ANSYS?

the second question:when I want to add complex value as an input how it will be possible in ANSYS,

ANSYS Mechanical Thermal Analysis - Average Temperature

Submitted by noppawit on

I've a result from thermal transient analysis. The result shows the maximum and minimum temperature of 4cm * 4cm plate with thickness of 1 mm.

Since the temperature of that plate is not uniform, so I'd like to see the average temperature from overall plate. How can I do it?

Thank you.

Reinforced Concrete: Reinforcing Section or Volume Ratio?

Submitted by hysteresis on

Hi,

 I want to model a simple bending RC beam using "smear" approach in ANSYS. Can anybody tell me which approach is right or both are the same?

 

1. I create two real constant sets for SOLID65 element. First one doesnt have volume ratio for the reinforcement, the second one does. Then, I create two seperate volumes adjacent to eachother and one under the other. I glue them and before meshing I choose the first real constant set for the upper one and the second set for the other as mesh attributes.

 

Rotation of a model

Submitted by proussy on

I created a 3D model in Ansys, and when I wanted to mesh, I realised that the model was created in the wrong plane:  the area I wanted to mesh was in the x-z plane, while the plane82 element I needed to use needs to be in the x-y plane.

 Is there a way I can rotate my entire model instead of starting from the beginning?

In addition, how can I create a cylinder with the circle in the x-z plane and its depth in the y direction.  Creating circles and cylinder only gives the option to create the circle in the x-y plane.

 

Thanks

 

[ANSYS] Composites. Problems using shell181 at postproc and tsai-hill criterion

Submitted by ferraz75 on

Hi all,

I've modeled a composite sandwitch with ANSYS with a pressure. The element chosen was SHELL181.

I want to know the Stresses in the x, y and xy directions; the displacements and the deformations only in a few points so as to compare with the Navier and Rayleigh-Ritz solutions made following Reddy's book.

1.-The first problem is that I don't know how to ask ANSYS to list the displacements and deformations.

2.-The second one is that I know how to ask ANSYS to list all the elements in a layer,

How to simulate torsion of cylinder in ANSYS?

Submitted by sspadhee on

I want to model torsion of a homogeneous hollow cylinder in ANSYS. I changed to cylindric coordinate system also. But each time I run the program  the result is that of bending. I have attached the mac file and output file for reference. Please advise.

 

 

finish

/clear

/PREP7  

!*  

ET,1,SOLID92

!*  

!*  

MPTEMP,,,,,,,,  

MPTEMP,1,0  

MPDATA,EX,1,,70e9   

MPDATA,PRXY,1,,0.3  

CSYS,1  

CYL4,0,0,1, ,2, ,10