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Tsai-Wu criteria on ANSYS

Submitted by filipe_pedro on

Hello everyone.

I'm trying to apply the Tsai-Wu criteria to a composite plate in ANSYS. I'm using the SHELL99 element.

However, when I input the data for the criteria an error occours and ANSYS won't show me any results on the criteria.

Can someone help me? How do I use this criteria and what data should I use?

Thanks in advance 

hi everybody,

Submitted by suren on

 i'm studying M.S(materials science) and i"m interested in knowing how to do a project work in indenting and extracting mechanical properties of materials using ABAQUS software or using MATLAB. suggest any idea thanks a lot in advance. have a nice time.

Finite element method

Submitted by Ravichand on

Dear all,

               I have a great intrest towards structures static analysis but the thing is i dont know FEM.I want to learn FEM from basics.it will be very help full for me if any body can suggest a book or provide me wid some softdata.please send me link or attachment to maruthir [at] infotechsw.com (maruthir[at]infotechsw[dot]com).

Thanking u,

Ravichand

regarding orthognal machining chip propagation usng abaqus

Submitted by sasivamsi on

hi am doing my project on high speed machining of aluminium and steel. for chip propagation i want some procedure how to do crack/fracture analysis using ABAQUS. if anybody knew about this please send me information regarding steps involved in building crack propagation.if any practile examples or tutorials are available for this send me to my mail id. my mail id is sasivamsi [at] gmail.com. am using ABAQUS V6.6.

thermal analysis of fin on ansys

Submitted by husnain raza sial on

salam to every one......

I am doing B.E mechanical and my final year project is related to thermal analysis of fin i have completed my first step that is first law analysis of thermodynamics. And i have achieve temperature profile on fin model.

Now i am stuck at second step that is ENTOPY AND EXERGY ANALYSIS(i.e second law of thermodynamics) ihad seached enough but ther is no feature like this. i am using follwing equation for calculatig entropy calculation

Entropy balance at node N

On the nature of the Cauchy stress tensor

Submitted by Sia Nemat-Nasser on

Checking the iMechanica web, I notice some discussion about the Cauchy stress tensor, whether it is covariant or contravariant.  Well, a tensor is neither covariant nor contravariant, while it can be expressed by its covariant, contravariant, or mixed *components* with respect to any arbitrary coordinate system. See the attached short explanation.