A Quest for Lattice Materials for Actuation

A recently recognized application of lattice materials is shape morphing technology, where a structure is expected to take a predefined shape in response to a change in environmental (temperature, pressure, etc.) or loading conditions. In a shape morphing structure that uses a 2D lattice material as the basis, one or more struts in the lattice...

Level-set Based Fluid-structure Interaction Modeling with the eXtended Finite Element Method

This study focuses on solving steady state fluid-structure interaction (FSI) problems subjected to incompressible flow at low Reynolds numbers and linear elastic structural behavior. The fluid-structure interface geometry is described with a levelset method (LSM). The governing equations are discretized in space with the eXtended Finite Element...

Problems in Modeling Orbital Soft Tissue with the Finite Element Method

The human eye is suspended in the orbit, a cavity in the skull that is largely filled with fat (adipose tissue). Fat is a gelatin like substance contained within fat cells surrounded by connective tissue membranes. Fat consists for 80 % of water, therefore it is almost incompressible. Fat supports the eye and eye muscles in the orbit, four...