7 papers · 1 filter
Contact-based inverse analysis for nonlinear material identification in spatially heterogeneous solids
BartÅomiej Åazorczyk, Roger A. Sauer
This study presents a contact-based isogeometric Finite Element Model Updating (FEMU) framework for identifying spatially varying constitutive parameters of nonlinear solids. The f…
A coupled finite element formulation for chemo-mechano-thermodynamical contact and its application to bonding and debonding
Roger A. Sauer
This work presents a finite element formulation for coupled chemo-mechano-thermodynamical large deformation contact. The formulation is based on the contact theory of Sauer et al.…
Nonlinear elastodynamic material identification of heterogeneous isogeometric Bernoulli-Euler beams
BartÅomiej Åazorczyk, Roger A. Sauer
This paper presents a Finite Element Model Updating framework for identifying heterogeneous material distributions in planar Bernoulli-Euler beams based on a rotation-free isogeome…
A simple and efficient hybrid discretization approach to alleviate membrane locking in isogeometric thin shells
Roger A. Sauer, Zhihui Zou, Thomas J. R. Hughes
This work presents a new hybrid discretization approach to alleviate membrane locking in isogeometric finite element formulations for Kirchhoff-Love shells. The approach is simple,…
A finite strain model for fiber angle plasticity of textile fabrics based on isogeometric shell finite elements
Thang Xuan Duong, Roger Andrew Sauer
This work presents a shear elastoplasticity model for textile fabrics within the theoretical framework of anisotropic Kirchhoff-Love shells with bending of embedded fibers proposed…
Topology optimization of contact-aided compliant mechanisms for tracing multi-kink paths
Prabhat Kumar, Roger A Sauer, Anupam Saxena
This paper presents a topology optimization approach to design 2D contact-aided compliant mechanisms (CCMs) that can trace the desired output paths with more than one kink while ex…