At no time will the code limit this process unnecessarily. You can model geometry as closely as needed, define material behaviors associated with the various components of the model, and simulate a sequence of events of concern. Because it is modular and has simple, consistent, and intuitive problem definition rules, you are freed from artificial and frustrating limitations. Despite its great breadth of capabilities, Abaqus is easy to learn and use.
The popularity of Abaqus as an advanced analysis code is based on its focus on production analysis. Any material can be used with virtually any element (or, in the case of composites, in a layer of an element) and thus form a part of a model subjected to any sequence of static or dynamic loading histories. You can model any physically reasonable combination of elements, materials, procedures, and loading sequences. What makes Abaqus uniquely powerful is its modularity. With Abaqus, you can simulate conductive and convective heat transfer, mass diffusion, acoustics, piezoelectricity, and electrochemistry either independently, sequentially coupled, or fully coupled with the stress analysis. However, Abaqus offers more than just stress analysis. Beyond metals, Abaqus can simulate rubber and polymers, reinforced concrete, glass and ceramics, crushable or resilient foam, and geotechnical materials like soils and rock. Abaqus has an equally extensive library of material models that can simulate stress and deformation in isotropic and anisotropic metals at low and high temperatures, at low and high strain rates, and at small and large strains. With an extensive library of element types, it can model nearly any geometry. Abaqus is truly a general-purpose finite element-based software package. Unless that software has been designed to exploit the true generality of the method, the analyst will become frustrated by the gap between the method's theoretical potential and the unnecessary limitations imposed by the software. Finite Element Analysis (FEA) reaches the desk of the engineering analyst as a software package.
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