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residual stress

[Abaqus]Residual Stress, Equlibrium step, Boundary conditions

Submitted by Staszkinson on
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ABAQUS
Boundary conditions
residual stress
Equlibrium step

Hello

Problem description: There is a simply supported(roller supports) shell element I-beam. There are lateral bracings too. All of this boundary conditions belongs to the Riks step(always last step in analysis).

Question: I have implemented triangular residual stresses by SIGINI subroutine, but I'm not sure what boundary conditions set up in preliminary equlibrium step. Should I include all of the lateral bracings in this step or maybe only roller support? 

 

Thank You 

 

residual stress and strain definitions (through-thickness) in ABAQUS/Explicit

Submitted by pirs on
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residual stress
Abaqus/Explicit
Initial conditions
plastic strains

Hello everyone,

 

I need some help regarding the definition of initial residual stresses and plastic strains in a shell finite element (S4R) model in ABAQUS/Explicit.

I have determined the residual stress distributions and initial plastic strains and I need to assign these distributions to a given element set.

I understand I should be looking at:

*INITIAL CONDITIONS, TYPE=STRESS

 ELSET_A, S11, S22, S33

International Conference on Fatigue Damage of Structural Materials IX 16-21 September 2012, Hyannis, MA, USA

Submitted by Sophie Hayward on
conference
corrosion
crack growth
Abrasion
residual stress
fatigue damage
ALLOYS
oxidation
structural metals
overload
underload
arbitrary loading sequences
service spectrum loads
combined HCF LCF
elevated or cryogenic temperatures

Call for Papers - deadline 9 December 2011

Submit your abstract here: www.fatiguedamageconference.com 

We welcome poster and abstract submissions on the following topics:

Fatigue Crack Growth Under Spectrum(Random) loading

Submitted by uni_students2009 on
research
residual stress
crack closure
Glinka's Model

Dear all Researchers, 

 I am writing regarding for the first time about the UAA(Unified analytical aspect) on Fatigue crack growth. The idea of this technique is this question : too many fatigue life prediction relations but still those are not perfect. on the other hand, new math ways still have not been the classical fracture mechanics. I am looking for some comments as response to this concern. Clearly, how we upgrade fracture mechanics theory using atomistic development in modeling fatigue propagation?

 Let us talk about this.

Regards,

Residual stress measurement

Submitted by GOPALAERO2000 on
education
residual stress

Hi Everyone,

 I would like to measure the residual stress imposed pattern through thickness of the plate by forming process (bending). Is it possible?

 I came to know that residual stress measurement through HOLE DRILLING METHOD offers only on the surface. That too, applicable only when residual stress imposed is uniform through thickness (like shot blasting process). If any one came across the experience of residual stress measurement, please throw some light in this regard.

 Thanks in advance

 M Gopalakrishnan

Program available for 7th IC Fatigue Damage of Structural Materials

Submitted by Dean Eastbury on
conference
fracture mechanics
Fatigue
damage mechanics
structural materials
residual stress
life prediction

The full oral program for the 7th International Conference on Fatigue Damage of Structural Materials is now available at http://www.fatiguedamage.elsevier.com/index.htm. Join your peers by registering for this popular single-stream meeting held in Hyannis, MA, USA on beautiful Cape Cod, September 14-19, 2008.  

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