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Implementing previous step output as input in the following step using Abaqus

Submitted by moonmoon on
research
elastic contact

Dear Abaqus Users,

Help is needed on how we can get the output displacement of some

certain nodes and implement them in a formula to become forces (from

each node results); and add this forces into their corresponding nodes

in the following new step, for multiple steps.

Thank you for your helping answers of any approaches and they are

really appreciated .

Thanks

Cell mechanics-----Soft Tissue (MICROSCOPIC BIOMECHANICS )

Submitted by Lianhua Ma on
research

The cells of our bodies represent a very large class of systems whose structural components often are both comlex and soft. Most cells have a complex internal structure of biological rods,ropes and sheets.

cell mechanics is vital to tissue formation!

I need some introductory materials to be familiar with cell mechanics and soft tissues in biomechanics. I will appreciate your help and guidance!

Best

Marc 

continuity e.q.,equilibrium e.q. ,N-S , constitutive e.q. for elastic solid and compressible fluid in the space-frequency domain

Submitted by Lianhua Ma on
research
continuity e.q.
equilibrium e.q.
N-S
constitutive e.q. for elastic solid and compressible fluid in the space-frequency domain

continuity e.q.,equilibrium e.q. ,N-S , constitutive e.q. for elastic solid and compressible fluid in the space-frequency domain, as shown in the following Fig.

i don't understand how can this author deduce? why v=iwu? is this assumption?  why is this necessary?    thanks for your help and guidance!

 

Covariance in Linearized Elasticity

Submitted by arash_yavari on
research

In this paper we covariantly obtain the governing equations of linearized elasticity. Our motivation is to see if one can make a connection between (global) balance of energy in nonlinear elasticity and its counterpart in linear elasticity. We start by proving a Green-Naghdi-Rivilin theorem for linearized elasticity. We do this by first linearizing energy balance about a given reference motion and then by postulating its invariance under isometries of the Euclidean ambient space.

AFM modelling

Submitted by ravi5kumar on
research

Hi, every body...

Can anyone please tell me about the kind of modelling that is done to study the Atomic Force Microscope (AFM) ?

I have gone through the lumped mass models, but I want to know about the distributed models ?

Is anyone having some papers or links related to distributed modelling of AFM ?

Thank You......

MODELING OF FGM IN ABAQUS

Submitted by ravitejk4u on
research

hello every one,

      i am Ravitej, doing my Mtech at IIT kanpur, India. Now, i am working  on FGM( funtionally Graded Materails). Can i model the FGM as a layered specimen with the youngs modulus varying according to layers. is there any special elements in abaqus, so that we can assign property variation along the thickness. 

Problem that i had faced with the layerd model is

1) stress is not continous at the interface of layers, then how can we believe that the solution obtained is correct

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