research

To me, that metal - on - metal had large friction, especially with the newest designs, it was clear from the old Sir Charnley studies in Leeds in 1950s published in his gold book.

Anyway, when I looked at ceramic on ceramic joints, I also found evidence of increased friction. Maybe ceramic debris is less toxic?

Please comment. What can we do outside USA to improve the situation?

Michele Ciavarella

Fixation and Mechanical Properties of Implanted Cartilage Replacements - An overview of three recently published papers

Submitted by Ali_Vahdati on Sun, 09/29/2013 - 18:08

research

biomechanics

computational mechanics

finite element analysis

cohesive zone model

soft tissue mechanics

articular cartilage

biphasic theory

Partial- and
full-thickness cartilage lesions of the knee caused by trauma, disease or joint
instability are a common disorder affecting people of all ages. Implanted
cartilage replacements (ICR) have the potential to overcome the limitations of
conventional treatment methods and are a promising approach to restore
functionality of the joint. In spite of some success in engineering
cartilaginous tissue, inferior biomechanical and biochemical properties of ICR
compared to native articular cartilage (AC) and inadequate quality of fixation

Flexoelectricity and Electrets in Soft Materials and Biological Membranes

Submitted by Pradeep Sharma on Sat, 09/28/2013 - 01:50

defining a response spectrum in abaqus 6.10

Submitted by Lekshmi Dinachandran on Wed, 09/25/2013 - 09:04

Hi,

I am trying to perform a response spectrum analysis of a tall tower. I work with abaqus 6.10, but i am unsure of how to define a spectrum. there is no spectrum radio button on the create amplitude menu... so i guess i have to edit the keywords.

does anyone have an example of how a spectrum can be defined? i'd be much grateful

Regards,

Lekshmi Remesh

Energy formulations of nonlinear elasticity including electric / magnetic couplings

Submitted by liuliping on Tue, 09/24/2013 - 15:32

Equilibrium theories for a continuum body may be formulated by either of the
following the classic paradigms: (1) We begin with the stress postulation (Cauchy’s formulation) and write down the kinematics, conservation laws, and
constitutive relations. In this way, one can obtain a system of field equations
which, presumably, can be solved upon specifying boundary conditions and
determine the equilibrium state of the body. (2) A second way is to start from
the energy postulation (Green’s