Department of Mathematics;
University of New Orleans;
New Orleans;
USA;
Texas A & M University-Qatar;
Doha;
Qatar;
Nonlinear; Two; Point; Boundary; Value; Problem; Ramberg-Osgood; Axial; Bar; Existence; and; Uniqueness; of; Solutions; Finite; Element; Analysis; Convergence; and; a; Priori; Error; Estimates;