The aim of this thesis is to investigate how grain boundary (GB) strength and separation mechanisms affect strength and ductility of nanocrystalline materials. Such nanoscale …
Energy storage is a crucial aspect of integrating renewable energy sources in power grids, portable electronic devices and vehicle applications, making the development of efficient …
This thesis presents experimental measurements and modeling of multi-scale collective behaviors characteristics of hierarchical interfaces in lithium-ion batteries (LIBs) during cycling. Two interfacial mechanisms are …
This thesis is concerned with estimating the time-varying 3-d surface geometry and surface appearance of dynamic scenes from images. An accurate reconstruction of a 4-d …
The elaboration of the myelin sheath around neuronal axons is a cornerstone of human brain development. This process helps establish the rapid and efficient communication …
This thesis documents a study of the high strain rate deformation behavior of Ni-containing steels of interest to the U.S. Navy for ship structures. A …
Plasmonics, a sub-field of nanophotonics, is a rich and growing field that studies the interaction between light and electron plasmas. One of the most important …
Vocal folds are driven in a shear-dominated, wave-like motion at high frequencies (100-1000 Hz) at strains up to 30% during phonation. Damage to the vocal …
In the past decade, power consumption has become the primary factor in overall microprocessor design complexity due to ideal geometric scaling and non-ideal electrical scaling. …
In most engineering metal alloys, the overall plastic resistance is contributed by two or more strengthening mechanisms operating simultaneously. Two major sources of strengthening in …
Water security is essential for communities' well-being. However, the unaffordable costs of conventional water supply schemes often make water security beyond the reach of low-income …
We present a study of the aeromechanics of highly compliant structures in the context of animal flight, with special attention paid to bat flight. Bats …
It is well known that diffusion induced stresses are responsible for capacity fading of electrodes in lithium-ion batteries. Here, we develop an atomistic-based continuum model …
Compatibility conditions for various strain measures are well known in both small and finite strain kinematics. For many plane deformation problems in solid mechanics, such …
The discrete dislocation (DD) plasticity is truly mechanism-based plasticity and well-suited for mesoscale modeling in metal. The effects of size-dependent plasticity and plastic dissipation emerge …
Through the evolution of modern computing platforms, in both hardware and software, processing heavy multimedia content has never been so exciting. While in the hardware …
Power consumption limits the maximum achievable performance of modern processors. Accurate power modeling is an essential step in both mobile and high-end processors. Large-scale transistor-level …
The nonlinear deformation response of two distinct materials was studied using finite element simulations. One is the hard Advanced High Strength Steels (AHSS) widely used …
Here we investigated the fracture and wrinkling in graphene with topological defects using atomistic simulations and continuum models. We first studied the flaw insensitive fracture …