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Full-Text Articles in Engineering

Sexual Conflict Over Egg Allocation: A Dynamic Programming Approach To Modeling The Evolution Of Male Harm And Female Resistance, David Kelley May 2007

Sexual Conflict Over Egg Allocation: A Dynamic Programming Approach To Modeling The Evolution Of Male Harm And Female Resistance, David Kelley

Honors Capstone Projects - All

Sexual conflict, which is expected to be ubiquitous among polygamous species, is known to occasionally result in male adaptations that are harmful to females. One theoretical model indicates that males may benefit from physically harming their mates by triggering a “terminal investment” reproductive response by them. Using dynamic programming, we explore how females optimize their lifetime egg allocation, how selection acts on males to exploit such allocation, and how females respond to resist this exploitation. The model reveals alternative female response pathways; one of the most effective of which is simply to forgo plasticity in egg allocation. By switching to …


Accessible Interactive Campus Mapping System For Syracuse University/Suny-Esf, Aaron C. Knight May 2007

Accessible Interactive Campus Mapping System For Syracuse University/Suny-Esf, Aaron C. Knight

Honors Capstone Projects - All

This written component of my Capstone Thesis in Computer Science covers the conceptualization and realization, and the process in between those stages, of my project, the Syracuse University Accessible Interactive Campus Map system. The system in its present state is launched at http://map.syr.edu. This project creates a usable and useful map and directions system for the Syracuse University and SUNY-ESF communities, which have long suffered without any properly oriented or fully functional map, much less an online one of any use. What this project also does is turn the Syracuse University Accessibility Map, produced by the Office of Disability Services …


Loss Of Visual Function In Light-Stressed Mice, Ana Stachowiak May 2007

Loss Of Visual Function In Light-Stressed Mice, Ana Stachowiak

Honors Capstone Projects - All

Because of the highly devastating effects of retinal degenerative diseases, the study of mechanisms of vision loss is imperative. Age-related macular degeneration (AMD) is the leading causes of blindness in the elderly. In this study I examined how extreme light exposure, which causes light stress in rodents, affects the visual and retinal function of 3 strains of mice. I hypothesized that, three strains of mice, C57BL/6J, ALR/Lj and BALB/c, would all show significant changes in visual and retinal function. I used behavior testing to assess visual acuity and contrast sensitivity as well as electroretinogram (ERG) recordings to assess retinal function. …


Optimization Of Zero Net-Mass Flow Actuators For Aero-Optics Applications, Moira L. Denatale, Jonathan M. Mihaly May 2007

Optimization Of Zero Net-Mass Flow Actuators For Aero-Optics Applications, Moira L. Denatale, Jonathan M. Mihaly

Honors Capstone Projects - All

Using experimental methods, zero net-mass flow actuators were optimized to manipulate flow around an airborne laser turret in order to reduce destructive aero-optics effects. Synthetic jets are created by 50 mm and 27 mm piezoelectric disk actuators. Our optimization process involved identifying an actuator’s cavity size, driving frequency, and amplitude to achieve the strongest, most consistent jet possible. The effects of driving a single actuator versus driving two actuators in or out of phase with one another were also investigated. An initial cavity depth was determined using the Helmholtz resonator cavity approximation which estimates the ideal cavity depth for a …


Optimization Of Zero Net-Mass Flow Actuators For Aero-Optics Applications, Moira L. Denatale, Jonathan M. Mihaly May 2007

Optimization Of Zero Net-Mass Flow Actuators For Aero-Optics Applications, Moira L. Denatale, Jonathan M. Mihaly

Honors Capstone Projects - All

Using experimental methods, zero net-mass flow actuators were optimized to manipulate flow around an airborne laser turret in order to reduce destructive aero-optics effects. Synthetic jets are created by 50 mm and 27 mm piezoelectric disk actuators. Our optimization process involved identifying an actuator’s cavity size, driving frequency, and amplitude to achieve the strongest, most consistent jet possible. The effects of driving a single actuator versus driving two actuators in or out of phase with one another were also investigated. An initial cavity depth was determined using the Helmholtz resonator cavity approximation which estimates the ideal cavity depth for a …