Compressed gas storage of hydrogen has emerged as the preferred choice for fuel cell vehicle man-
ufacturers, as well as for various applications like road transport, and aviation. However, designers
face increasing challenges in designing safe and efficient composite overwrapped pressure vessels
(COPVs) for hydrogen storage. One challenge lies in the development of precise software that con-
sider a multitude of factors associated with the filament winding process. These factors include layer
thickness, stacking sequence, and the development of particularly robust models for the dome region.
Another challenge is the formulation of predictive behavior and failure models to ensure that COPVs
have optimal structural integrity. The present study offers an exploration of numerical methods used
in modeling COPVs, aiming to enhance our understanding of their performance characteristics. The
methods examined include finite element analysis in Abaqus, involving conventional shell elements,
continuum shell elements, three-dimensional solid elements, and specialized homogenization tech-
niques for multilayered composite pressure vessels. Through rigorous comparisons with type-III
pressure vessels from the literature, the research highlights the most suitable choice for simulating
COPVs and their practicality. Finally, we propose a new design for type-IV hydrogen composite
pressure vessels using one explored method, paving the way for future developments in this critical
field.