ABCB6

(redirected from UMAT)
Also found in: Acronyms.

ABCB6

A gene on chromosome 2q36 that encodes an ATP-binding cassette (ABC) transporter superfamily of integral membrane proteins, MDR/TAP subfamily, which is involved in multi-drug resistance as well as antigen presentation, and thought to play a role in mitochondrial function.

Molecular pathology
ABCB6 is a candidate gene for lethal neonatal metabolic syndrome, a disorder of mitochondrial function.
References in periodicals archive ?
Since the empirical constitutive equation is highly nonlinear, the stress-strain relationship based on linear elasticity (Hooke's law) cannot be used for UMAT.
The above procedure implies that the deviatoric stress in each viscous branch is stored, in order to be available at the beginning of the next increment, and this is performed by defining six internal variables (three components per branch) in the UMAT routine, at each integration point.
Finally, the consistent tangent modulus must be computed in the UMAT routine, in order to allow an efficient iterative procedure over the whole mesh, and this has been performed very simply by running the core of the routine thrice, with a single component of the strain increment slightly modified in each case.
Before the simulations described below, the UMAT routine has been tested in two ways, successfully: on a single element by simulating the uniaxial relaxation tests used above to identify the material behavior, and on more complex structures, by choosing the material parameters so as to get a linear viscoelastic behavior in order to compare with using the standard viscoelastic routine of the finite element code.
In ABAQUS, any mechanical constitutive behavior of a material can be defined in a user material subroutine UMAT coded in Fortran language (17).
The mechanical behavior of PET has been modeled by the physically based Buckley model, which is implemented in a UMAT in ABAQUS.
The "bricks" then encode the signal in the MPEG-2 compression standard and send it across Maryland's UMATS high speed IP network to The Mayor's Office of Cable and Communications in Baltimore City, where Baltimore City's public access programming originates.