Reference problem
=====================


Geometry
---------


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Material properties
-----------------------

The material obeys an isotropic nonlinear hyperelastic behavior law with isotropic linear work hardening.


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Boundary conditions and loads
-------------------------------------

The bar locked in the :math:`\mathit{Ox}` direction on the face [:ref:`1,2 <1,2>`] is subjected to a uniform temperature :math:`T` and a tensile force :math:`F` distributed on the face [:ref:`3,4 <3,4>`]. The loading sequences are as follows:


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Reference temperature: :math:`{T}_{\mathit{réf}}\mathrm{=}20°C`