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Full-Text Articles in Civil and Environmental Engineering
Nonlinear Finite Element Model Analysis Of Human Accommodation Lens, Tri Le
Nonlinear Finite Element Model Analysis Of Human Accommodation Lens, Tri Le
Civil Engineering Theses - Archive
The crystalline human lens is modeled by using the finite element software, ABAQUS/CAE Version 6.5-1 as an axisymmetric shell to study the optical power and displacement of anterior and posterior poles induced due to zonule traction. Several different element types were tested to obtain the optimum mesh. These elements were three and six-noded triangular hybrid and four-noded quadrilateral hybrid for modeling of the cortex and nucleus. Constant strain triangular and regular quadrilateral elements were examined for modeling the capsule. One dimensional two degree of freedom spring elements were used to model the anterior, posterior, and equatorial zonules. Five different lens …