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soft tissue

marco.paggi's picture

Contact in soft tissues

Dear Colleague,  the III International Conference on Biomedical Technology (ICBT 2017, an Eccomas conference) will be held in Hannover (Germany) from November 6th to 8th, 2017.

element coordinate system orientation after nonlinear static structural solution

Hi. I'm working on multiscale modeling of soft tissues. I'm working
on modeling an orthotropic wavy fiber in WB. I write an APDL routine to
change the element coordinate system of each element with accordance to
the fiber curvature. Ansys documentation said that in the case of large
deflection analysis, the element coordinate system will be rotated with
accordance to element rigid body rotation. My problem is that, after the
solution, the elements coordinate system of some elements rotate

Fangsen's picture

research scientist at IHPC (3 year contract) (Biomechanical modeling)

You
will perform research and development in finite element of soft
materials such as prostate, tumour, and liver. You will also develop new
numerical models and methods for solving soft material non-linear
deformation; establish constitutive model of soft tissues and implement a
fast and robust FEM solver.

 

Requirements:

 

Tissue strain-rate independence

Choose a channel featured in the header of iMechanica: 

I have two basic questions for the experts in the soft tissue biomechanics community. 

a) I am interested in the biomechanics of a specific tendon in a specific high-speed deformation. How plausible is it for me to assume strain-rate independence, and therefore, the existence of a strain energy function? In other words, how accurate is the assumption of pseudoelasticity for tendons under high strain-rate? I feel comfortable with the assumption (evidence would help a lot, however) for tissues such as mesentery, skin and, I guess, even muscle. 

azadpoor's picture

Call for special issue papers: Mechanics of cells, tissues, and biomaterials

The paramount role of mechanics in life has recently been the center of attention of many researchers. This special issue will be focusing on the role of mechanics in the life of cells and tissues and their interactions with biomaterials. Original research and review papers are solicited for review and publication in the journal Mechanical Sciences . Mechanical Sciences is an academic open-access journal sponsored by the Library of Delft University of Technology and The Netherlands Organization for Scientific Research (NWO).

Post Doc position at ETH Zurich in computational structural mechanics

The Laboratory of Thermodynamics in Emerging Technologies (LTNT) at ETH Zurich has an opening for a

Post Doc

Area
Computational structural mechanics with focus on soft tissues and wave propagation

How to program the change of Young's modulus depending on the former element

Hello,

Now I want to simulate the change Young's modulus due to the mechanical stimulus in soft tissue. In our soft tissue(scaffold) we have seeded living cells and these cells produce the collagen fiber type-II which could be interpreted as change of Young's modulus. The Young's modulus of neighbour elements of the cells have to change depending on the Young's modulus of former elements like domino.

I have two constitutitve equations programmed in UMAT i. e. for scaffold and for fibers and they run good.

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