:orphan: Scientific background ===================== The pages in this section present the scientific models independently of their software implementation. They explain the physical problem, the principal assumptions, the thermodynamic or mechanical quantities involved, and the properties that can be derived. - :doc:`ha` - :doc:`qha` - :doc:`elasticity` - :doc:`seismic` - :doc:`eos` - :doc:`thermoelasticity` - :doc:`earth_profiles`