Browsing UMBC Mechanical Engineering Department by Title
Now showing items 42-61 of 76
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Linear diode laser bar optical stretchers for cell deformation
(Optical Society of America, 2010-08-05)To investigate the use of linear diode laser bars to optically stretch cells and measure their mechanical properties, we present numerical simulations using the immersed boundary method (IBM) coupled with classic ray optics. ... -
Mechanical Properties of Human Tooth Enamel: Patient Age and Spatial Distribution
(2008-08-27)In this study the influence of aging on the mechanical behavior of human enamel was evaluated using 3rd molars from young (18-30 years) and old (55) patients. The elastic modulus and hardness were quantified using ... -
The Mechanics of a Cantilever Beam with an Embedded Horizontal Crack Subjected to an End Transverse Force, Part A: Modelling
(MMSE Journal, 2016-07)This study addresses the mechanics of a cracked cantilever beam subjected to a transverse force applied at it’s free end. In this Part A of a two Part series of papers, emphasis is placed on the development of a four-beam ... -
The Mechanics of a Cantilever Beam with an Embedded Horizontal Crack Subjected to an End Transverse Force, Part B: Results and Discussion
(MMSE Journal, 2016-07)This is the second part of a two-part study aimed at establishing the mechanics of a cracked cantilever beam subjected to a transverse force applied at its free end. Following the development of a four-beam model in Part ... -
Microtensile characterization of titanium 5111 alloy mechanical properties and comparison of failure mechanisms at two microstructural length scales
(Elsevier Ltd., 2019-07-29)Micro-scale mechanical characterization of materials is a useful technique for understanding local material behavior, particularly where inhomogeneous materials or microstructures are present. In this work, a custom ... -
Mild Whole Body Hyperthermia Induced Interstitial Fluid Pressure (IFP) Reduction and Enhanced Nanoparticle Delivery to PC3 Tumors: In Vivo Studies and MicroCT Analyses
(The American Society of Mechanical Engineers, 2020-02-28)In vivo experiments on mice were performed to evaluate whether whole body hyperthermia enhances nanoparticle delivery to PC3 tumors. The mice in the experimental group were subjected to whole body hyperthermia by maintaining ... -
Model input and output dimension reduction using Karhunen Loève expansions with application to biotransport
(2019-03-15)We consider biotransport in tumors with uncertain heterogeneous material properties. Specifically, we focus on the elliptic partial differential equation (PDE) modeling the pressure field inside the tumor. The permeability ... -
Multi-scale simulation of L-selectin–PSGL-1-dependent homotypic leukocyte binding and rupture
(Springer-Verlag, 2010-03-14)L-selectin–PSGL-1-mediated polymorphonuclear (PMN) leukocyte homotypic interactions potentiate the extent of PMN recruitment to endothelial sites of inflammation. Cell–cell adhesion is a complex phenomenon involving the ... -
A multiple model adaptive SVSF-KF estimation strategy
(SPIE, 2019-05-07)State estimation strategies play a critical role in obtaining accurate information about the state of dynamic systems as they develop. Such information can be important on its own and critical for precise and predictable ... -
A new approach to the identification of distortion modes of thin-walled structures based on plate/shell theory
(EDP Sciences, 2019-04-08)In this paper, a new approach to identify cross-section deformation modes is presented and utilized in the establishment of a high-order beam model for dynamic analyses of thin-walled structures. Towards this end, a ... -
A New Simplified Bioheat Equation for the Effect of Blood Flow on Local Average Tissue Temperature
(The American Society of Mechanical Engineers, 2019-02-11)The Journal of Biomechanical Engineering has contributed to biomechanical engineering field since 1977. To honor papers published at least 30 years that have had a long-lasting impact on the field, the Editors now recognize ... -
Nodal Space-Time Flux Reconstruction Methods for Conservation Laws
(AIAA Aviation Forum, 2017)A nodal space-time flux reconstruction (FR) method is developed to solve conservation laws. In this method, the spatiotemporal flow system is discretized in a finite-difference like format without requirement for numerical ... -
A Non-Linear Model of an All-Elastomer, in-Plane, Capacitive, Tactile Sensor Under the Application of Normal Forces
(MDPI, 2018-10-24)In this work, a large deformation, non-linear semi-analytical model for an all-elastomer, capacitive tactile unit-sensor is developed. The model is capable of predicting the response of such sensors over their entire sensing ... -
Novel Calcium Phosphate Cement with Metformin-Loaded Chitosan for Odontogenic Differentiation of Human Dental Pulp Cells
(Hindawi, 2018-11-27)Metformin is an old and widely accepted first-line drug for treating type 2 diabetes. Our previous studies demonstrate that metformin can stimulate the osteo/odontogenic differentiation of human-induced pluripotent stem ... -
Numerical Study of Flapping-Wing Flow Physics in Nonuniform Freestream Using the High-Order Spectral Difference Method on Dynamic Unstructured Grids
(AIAA, 2018)In this paper, a numerical study is conducted to understand the impact of nonuniform freestream on the aerodynamic performance of a flapping foil. Specifically, an unsteady flow environment is generated by stationary ... -
On the Identification of Sectional Deformation Modes of Thin-Walled Structures with Doubly Symmetric Cross-Sections Based on the Shell-Like Deformation
(MDPI, 2018-12-16)In this paper, a new approach is proposed to identify sectional deformation modes of the doubly symmetric thin-walled cross-section, which are to be employed in formulating a one-dimensional model of thin-walled structures. ... -
On the parallel implementation and performance study of high-order Rosenbrock-type implicit Runge-Kutta methods for the FR/CPR solutions of the Navier-Stokes equations
(AIAA SciTech Forum, 2018)The Rosenbrock-type implicit Runge-Kutta (ROIRK) methods only require one Jaco-bian matrix evaluation per time step rather than per stage as other types of implicit Runge-Kutta (IRK) methods need. This feature makes ROIRK ... -
Parallel Performance Studies for an Elliptic Test problem on the Cluster maya 2013; Using 1-D and 2-D domain subdivisions
(2014)One of the most important aspects of parallel computing is the communication between processes since it has tremendous impact on overall performance of this method of computing. Consequently, it is important to implement ... -
A Parallel Performance Study of the High-order Compact Direct Flux Reconstruction Method for Conservation Laws on Maya Cluster
(2017)The compact direct flux reconstruction method (CDFR) for conservation laws utilizes techniques from compact finite difference methods to directly approximate spatial derivatives of fluxes within standard elements. The CDFR ...