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(ansys) why can't I get contact result if bulk material is defined by usermat?

Submitted by 11hours on
software
ansys; usermat; contact;CZM

I tried to perform a cohesive zone analyse in ANSYS, followed the turorial in HELP file. I used contact element to model cohesive zone. and I find out that:

1, if I use standard material of ansys to define bulk element, like defined by 'MP,EX,1,2.1e5   MP,PRXY,1,0.33 ' or 'tb,biso', I can get a reasonable contact result;

2, if I use usermat file to define bulk element, 'tb,user', then the solusion also is done, but the resulte seems not correct. two part of model not contact each other but  some sections of them are coincide.

URGENT: phd position in the group of Prof Bigoni (Trento, Italy) with possible sharing with us in PoliBA

Submitted by Mike Ciavarella on
research
phd offer

 

I received this letter from Prof Davide Bigoni

 
Marie Curie PhD position at University of Trento (Italy): deadline September 15

 
It is a top opportunity in Italy, the leading group in Italy in elasticity, plasticity and nonlinear elasticity. A very active university and town. 

I expect many applications.

 prof. MC

Python code for cohesive pressure

Submitted by mgchavez77 on
research
Hi everyone,



I'm working with cohesive pressure elements and I'm wondering if anyone know the code to run the element type COH2DP using Python.



I used the code:



elemType_hf=mesh.ElemType(elemCode=COH2D4P, elemLibrary=STANDARD)

Part.setElementType(regions=region, elemTypes=(elemType_hf, ))



but the code doesn't work.

I guess the problem is that I need to include the offset nodes but I don't know the code to incluide it. I'll appreciate your help.



Thanks in advance

automobile/production/industrial engineering

Submitted by saaqibs955 on
education

Generally
diesel engine uses only the heat of compressed air to ignite the fuel as it is
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combustion chamber.i want to discuss about the general working of diesel
engine in low temperatures and the changes should be made to work more
efficiently.

PhD STUDENTSHIPS FLUID STRUCTURE INTERACTION

Submitted by fhuera on
job
offshore
Fluid Structure Interaction
WIND
MARINE
WIND TURBINES

The laboratory for fluid structure interaction (LIFE) at Universitat Rovira i Virgili (URV) in Tarragona, Spain is looking for a PhD cadidate. The student will work in a project involving fluid-structure interaction in offshore engineering with applications to wind energy and the dynamics of offshore structures.

More information can be seen in the attached PDF or in http://www.etseq.urv.es/life/. 

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