Browsing UMBC Mechanical Engineering Department by Title
Now showing items 34-52 of 52
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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 ... -
A Preconditioned Flux Reconstruction/Correction Procedure via Reconstruction Formulation for Unsteady Low Mach Number Flows on Dynamic Unstructured Meshes
(AIAA SciTech Forum, 2017)Preconditioning methods can signicantly decrease the condition number of the linear system resulted from the discretization of compressible Navier-Stokes equations at low Mach numbers by replacing the physical acoustic ... -
Selection of optimal bands for developing multispectral system for inspecting apples for defects
(SPIE, 2019-04-30)Hyperspectral image technology is a powerful tool, but oftentimes the data dimension of hyperspectral images must be reduced for practical purposes, depending on the target and environment. For detecting defects on a variety ... -
Selection of Optimal Hyperspectral Wavebands for Detection of Discolored, Diseased Rice Seeds
(MDPI, 2019-03-12)The inspection of rice grain that may be infected by seedborne disease is important for ensuring uniform plant stands in production fields as well as preventing proliferation of some seedborne diseases. The goal of this ... -
Simulation of multi-pulse coaxial helicity injection in the Sustained Spheromak Physics Experiment
(AIP Publishing, 2017)Nonlinear, numerical computation with the NIMROD code is used to explore magnetic self-organization during multi-pulse coaxial helicity injection in the Sustained Spheromak Physics eXperiment. We describe multiple distinct ... -
Stress concentration around a rectangular cuboid hole in a three-dimensional elastic body under tension loading
(Springer, 2018-05-29)Stress concentration caused by holes can be investigated by numerical and analytical methods. Current analytical methods can only solve two-dimensional problems. This paper proposes an analytical study on a three-dimensional ... -
A Theoretical Method to determine unstressed off-rate from multiple bond force spectroscopy
(Elsevier B.V, 2012-06-15)Using dynamic force spectroscopy to measure the kinetic off-rates of intermolecular bonds currently requires the isolation of single molecules. This requirement arises in part because no tractable analytic method for ... -
Towards High-order Accurate Numerical Simulation of Unsteady Flow Physics over Domains with Large Deformation
(AIAA, 2019)This paper presents the development of a high-order flux reconstruction (FR) formulation for unsteady flow simulation with dynamic grid algorithms. Specifically, the high-order FR formulation for the Navier-Stokes equations ... -
Understanding Unsteady Flow Physics of Two Types of Vertical Axis Wind Turbines with a Fluid-Structure Interaction Approach
(AIAA SciTech Forum, 2017)Unsteady flow physics of two types of vertical axis wind turbines (VAWTs), namely, a modified Savonius turbine and a hybrid Darrieus-modified-Savonius (HDMS) turbine, are numerically studied using a fluid-structure interaction ...