This symposium will be dedicated to various aspects of the multiphysics of fibrous materials including nonwovens, textiles, paper and cellulose products, as well as biological network materials including connective tissue, arterial walls and the cytoskeleton. Fiber composites and composites in which a stochastic network is embedded in a matrix are of interest. Studies of the mechanics, transport, self-healing, activity, and their interactions, in fibrous materials are invited. These materials exhibit complex behaviors controlled by strong nonlinearities associated with large deformations, instabilities, contacts between fibers, the presence of active elements, dynamic re-organization of fibers, etc. The development of computational methods and of constitutive representations that consider the complex mesoscale physics are of interest for this symposium. While the focus is on advanced computational methods, presentations that discuss experimental and theoretical aspects and establish links between the structure, topology and physics of the networks and their emerging mechanical response are welcomed. Topics include but are not limited to: - Multiphysics of semi-flexible fiber networks - Mechanics of paper, nonwovens, yarns and 2D and 3D fabrics - Synthetic and biological active networks and networks with transient bonds - Deformation and forming of composite reinforcements - Multiscale modelling and homogenization of fibrous materials - Modelling of reinforced soft matter - Application of machine learning and data-driven methods to modelling of fibrous materials