Digital Commons Network^™

Adapted Trailer Hitching System, Joseph Neil Hearn, Maxwell M. Selna, Maximilian D. Cossalter, Eric B. Ringsrud

Mechanical Engineering

This report highlights the entire design process of an adapted trailer hitching system for Taylor Morris: a navy veteran and quadruple amputee. This begins with problem definition through customer and product research. Objectives are generated after the problem is defined and the boundary of the project is set. This outcome of the project focuses on modifications/improvements to the vehicle side of the problem and leaves the trailers untouched. Engineering specifications are developed to constrain the concept design direction, which ultimately dictates the outcome of the final design. The final design is used as a basis to manufacture a structural prototype …

Event Planning As A Means Of Applying Transferable Skills: The Planning Of The 2019 Communication Studies Banquet, Kylie E. Clark

Communication Studies

Though an annual event, The Communication Studies Banquet has had low attendance in the past and was seen as formal and expensive. This year’s event was revamped in order to make the banquet more fun, accessible, and affordable. The planning and enhancement of this event required several transferable skills which can be applied not only to event planning, but also to many other careers. These skills include organization, communication, negotiation, creativity, financial management, and resourcefulness. This paper examines the utility of transferable skills, including how they are acquired and why they are valuable, and explains how these skills were applied …

Compact Farms: A Step Towards Sustainability, Chad A. Porter

Agricultural Education: Graduate Internship Reports

This project report accounts for the potential benefits compact farms can have for agriculture and sustainability. The report details the design, implementation, and management of Whistle Stop Farm, a 1-acre, diverse farm producing vegetables, fruits, and gourmet mushrooms for direct markets in Atascadero, California. The farm focuses on economic and environmental sustainability. A large part of the farm revolves around soil science and how to manage soils to promote a healthy soil ecosystem.

Graduate Internship Report - Watsonville High School, Savanah D. Rhine

Agricultural Education: Graduate Internship Reports

This internship and project report includes validation documents required in meeting the quality criteria for secondary-level programs of instruction in agriculture. The documents are concurrently used for the Agriculture Incentive Grant review process at Dinuba High School conducted by representatives of the California Department of Education. The supporting material includes information to receive state and local funding, outline the goals and objectives of the program, along with an overview of Watsonville High School, the agriculture program and the community.

Aged 539: Internship In Agriculture Education, Veronica Lemus

Agricultural Education: Graduate Internship Reports

This internship and project report includes validation documents required in meeting the quality criteria for secondary-level programs of instruction in agriculture. The documents are concurrently used for the Agriculture Incentive Grant review process at Fillmore High School conducted by representatives of the California Department of Education. The supporting material includes information to receive state and local funding, outline the goals and objectives of the program, along with an overview of Fillmore High School, the agriculture program and the community.

Graduate Internship Report- Orestimba High School, Briana Vincent

Agricultural Education: Graduate Internship Reports

This Graduate Internship report includes validation documents required in meeting the quality criteria for secondary-level programs of instruction in agriculture. The documents are currently used for the Agriculture Incentive Grant review process at Orestimba High School.The internship project includes the improvement of the recruitment for Orestimba High School. The included information and supporting materials are required to receive local and state funding. An overview of the Orestimba High School Program can be found in the Comprehensive Program Plan that is included in this document.

A Structural Approach To Architecture (With An Emphasis On Thin-Shell Forms), Ansel Man

Architectural Engineering

This portfolio includes various projects I have focused on throughout this quarter in ARCE 453 as well as a deep dive study into thin-concrete shells. The overall theme of the portfolio and of this class revolves around how we, as engineers and architects, can achieve a better balance between our two fields of study. I delve into how architecture can be approached from a structural, rational point of view; how a structure's form can be optimized by studying its funicular geometry; and ultimately, the irreplaceable importance of form when designing a structure.

Reduce, Reuse, Reengineer, Neil Ryan Robertson, Anthony James Beers

Architectural Engineering

Our senior project is a research exploration of renewable energy. We recognized there is a major need in the world for the advancement of green power sources. For our project, we wanted to go beyond what we have learned in our Cal Poly architectural engineering classes and to use some of our own creativity to investigate the possibilities of renewable energy from a structural perspective. The guiding question we asked ourselves was, “as architectural engineering students, how could we shift our world to use more renewable energy?” To start our journey off, was the original inspiration from the work of …

Retrofit Of Concrete Moment Frames With Masonry Infill In High Seismic Zones, Patricia Francis Pope, Madeleine Rasmussen, Zorana Tat

Architectural Engineering

Seismic events happen all throughout the world and each country has a slightly different way of handling the design of structures subjected to seismic forces. The goal of this project is to provide citizens of the Philippines with an effective way to retrofit their potentially unsafe buildings in the event of an earthquake. However, this retrofit manual will be able to help globally in other third world countries that have similar building techniques. In order to achieve this type of solution, we had to come up with options that took into account the lack of access to tools, materials, and …

Form Finding Architecture, Anna Eliza B. Sy

Architectural Engineering

More often than not an engineer takes an architects idea and tries to make it structural sound. However, an engineer can also use his or her analytical tools to determine the shape of a building. This is a portfolio of various exercise that explores using the load flow and internal forces of a structure to determine and improve its architecture. SAP2000 is the primary program used for analysis. The topics covered are: the Mueller Breslau Method, Trusses, Three-Hinged Arches, Castiglione’s Elementary School, Fisac's design for the Jorba Laboratories, and Otto's Institute for Lightweight Structures.

Pedestrian Bridge In Tanzania, Maja Sagaser, Karina Rosales

Architectural Engineering

This senior project originated to address the need of the community of Same, Tanzania. There is a deep and wide ravine which floods, making the path many adults and children take to the Majevu Primary School increasingly difficult and dangerous. This report encapsulates all of the steps taken to complete an approved final design for a footbridge to be constructed over this ravine. It includes the project overview, the architectural and structural design process, as well as the important considerations. There are also structural drawings that include plans, elevations, and details.

An Exploration Into Structurally Rational Architecture, Bridget M. Healey

Architectural Engineering

This project is a series of small explorations into modern examples of structurally rational architecture. Each investigation looks at different methods of analyzing or designing structures that combine aesthetics and economy.

Characteristics Of A Viscous Damper: Finding The Damping Coefficient, Roman Lara Iv, Tiffany Wang

Architectural Engineering

The authors of this report are undergraduate Architectural Engineering students at California Polytechnic State University in San Luis Obispo. This report documents the implementation, design, and experimentation of a damper with unknown properties. This experimentation data will be used to find the damping coefficient of a viscous damper alongside damping characteristics. Using knowledge from previous courses, this report focuses on dynamic responses through an assumed viscous damper. Through forced oscillatory motion testing with specified frequency and amplitude using the seismic shake table and equipment, compactDAQ instrumentation, and damper, values can be pulled from the data experimentation, which can be used …

Damage Detection Of Identical Structures, Garrett M. Peterson, Kira Deguchi

Architectural Engineering

This study is concerned with measuring the vibrations of similar (and seemingly identical) structures, and attempting to detect damage in the structure by identifying outliers from the data. Furthermore, this study attempts to provide a logical conclusion surrounding the MPIT software by correlating each modal analysis program with MATLAB results from testing. Light poles around Cal Poly, San Luis Obispo are the subject of this study because the variability in structure among adjacent poles is hypothesized to be insignificant. A biaxial accelerometer device was mounted to each light pole and used to collect data. Initial tests were completed on six …

Bihongora Library And Community Center, Nicholas M. Dekker, Elyssa L. Adams

Architectural Engineering

No abstract provided.

Rubagabaga Village : Empowering Villages Center And Agricultural Training Center, Jenna M. Williams, Julia R. De Hart

Architectural Engineering

By partnering with non-profit organizations such as Journeyman International and Empowering Villages, undergraduate students can engage in senior projects that have far reaching humanitarian impacts. Journeyman International is well known for creating powerful teams of students who tackle design challenges in developing countries. This paper details the work of two architectural engineering students from California Polytechnic State University, San Luis Obispo on a design for the Empowering Villages Center (EVC) and Agricultural Training Facility (ATF) in Rubagabaga Village, Rwanda. The EVC and ATF project was proposed by Empowering Villages, an organization that aims to bring electricity and socioeconomic growth to …

Same Polytechnic College Campus Main Core, Bryce Daniel Gagner

Architectural Engineering

My senior project will be to continue moving forward the campus core of the Same Polytechnic College. We started with the main campus core because it can act as a small school where some classes can be taught while the rest of the construction will be completed. With the land boundaries almost finalized and a solid design for the campus, we can now start a structural design and cost estimation. These will be the main steps to begin construction of the campus.

Steel Test Set-Up For Non-Ductile Concrete Shear Walls, Colin S. Ridgley

Architectural Engineering

The purpose of this project was to provide a robust test set-up for the thesis work being conducted by graduate students, Jerry Luong & Rory de Sevilla. Their research aims to evaluate the feasibility of using fiber-reinforced polymer wraps and splay anchors to retrofit non-ductile concrete shear walls through a series of tests on reinforced concrete walls.

Four key constraints governed the design of the test set-up. First, the wall can be cyclically, laterally loaded to develop data for comparison with theoretical analysis methods. Second, the wall can be axially loaded to simulate interaction effects and prevent a sliding failure …

Mòn Briyè Primary School Journeyman International, Leah E. George, Devin R. Williams

Architectural Engineering

Journeyman International (JI) is a non-profit organization that pairs emerging professionals in the architectural, structural engineering, and construction management industries with humanitarian projects in underdeveloped countries overseeing the design and construction process. The Mòn Briyè Primary School is a JI project led and funded by The 610 Project, an Alabama-based non-profit organization dedicated to the sustainable success of developing Haitian communities through education. This primary school will be located in Mornes Brieux, Haiti and consists of three buildings: one classroom building for first to fourth grade, one classroom building for fifth to eighth grades, and one building for administration. The …

Brain Tumor Classification Using Hit-Or-Miss Capsule Layers, Spencer J. Chang

Master's Theses

The job of classifying or annotating brain tumors from MRI images can be time-consuming and difficult, even for radiologists. To increase the survival chances of a patient, medical practitioners desire a means for quick and accurate diagnosis. While datasets like CIFAR, ImageNet, and SVHN have tens of thousands, hundreds of thousands, or millions of samples, an MRI dataset may not have the same luxury of receiving accurate labels for each image containing a tumor. This work covers three models that classify brain tumors using a combination of convolutional neural networks and of the concept of capsule layers. Each network utilizes …

Analog Single Sideband-Pulse Width Modulation Processor For Parametric Acoustic Arrays, Vikrant A. Marathe

Master's Theses

Parametric acoustic arrays are ultrasonic-based loudspeakers that produce highly directive audio. The audio must first be preprocessed and modulated into an ultrasonic carrier before being emitted into the air, where it will self-demodulate in the far field. The resulting audio wave is proportional to the double time-derivative of the square of the modulation envelope. This thesis presents a fully analog processor which encodes the audio into two Pulse Width Modulated (PWM) signals in quadrature phase and sums them together to produce a Single Sideband (SSB) spectrum around the fundamental frequency of the PWM signals. The two signals are modulated between …

The Reinvigoration Of Oakland Neighborhoods Through Public Art Installations, Riley Anderson-Barrett

City and Regional Planning

The driving factor behind this project is my interest in how public art can drastically improve areas with somewhat little tangible change. With the implementation of a few key pieces, an area can gain recognition, triangulation, and life. Recognition begins when the location becomes recognizable and memorable, as opposed to being yet another mundane street corner or node. Making a location memorable and recognizable sparks the interest and desire for people to come visit the area. Having these pieces can generate interest and triangulation, which is when people come together to experience or converse about whatever it is drawing them …

California Waterfix Impacts On The City Of Modesto, Samuel J. Cunningham

City and Regional Planning

No abstract provided.

Microscope System, Virginia Brannaman, Gavin Shavey, Ricardo Lasa

Biomedical Engineering

This project aims to improve upon the current microscope stand for the Olympus compound microscope in the Microcirculation and Vascular Regeneration (MaVR) laboratory in order to minimize angular deflection of the microscope objective with respect to surgical stage.

Understanding Trauma And Victimization In Women's Incarceration: California's Treatment Response, Marissa Tuttle-Roache

Social Sciences

The purpose of this review is to provide an exploration of past research on women's pathways to incarceration, specifically discussing how this problem affects California women. Using research from various case studies, both quantitative and qualitative, this review examines the correlation between life experiences and incarceration for women. California laws and policies that mitigate the impact incarceration has historically had on women will be discussed. This research provides a better understanding of the treatment needs of incarcerated women and the programs that could provide them with some positive resources to succeed post incarceration and avoid recidivism.

Availability Of Microtrash Materials And Selectivity By California Condors, Marie G. Solis

Biological Sciences

California condors consume non-food items, including anthropogenic waste, and provision it to their young. Consuming “microtrash” can cause mortality, especially in nestlings. There are several hypotheses explaining why condors might consume microtrash. These hypotheses assume condors exhibit a preference for the type of material. Therefore, we test the assumption that when California condors take microtrash, they display material selectivity. We did this by sampling microtrash from roadside pullouts in the Los Padres National Forest. Those samples were compared to condor necropsy and nest microtrash data, categorized by material type: glass, plastic, metal, and other. We find that in our analysis …

An Analysis On The Universalism-Relativism Debate, The Effects Of Ethnocentrism, And How These Theories Dictate Human Rights Around The World, Katherine J. Brouker

Communication Studies

This paper analyzes theories correlated with Human Rights and Intercultural Communication. The Universal Declaration of Human Rights (UDHR) entails thirty basic human rights that are intended to held by every living human. Universalist scholars believe that these are inalienable, regardless of certain cultural values that differ from societies around the world. Relativist scholars believe that there needs to be a respect for cultural practices, even if they are harmful to other people. A case study is performed to illustrate the positive and negatives to both theories. Ethnocentrism is then introduced, which is when people judge cultures and practices that are …

Redefine: Messages About Masculinity, Anna Leonidovna Goryachikova, Mason Mitchell Montgomery, Hannah Jayne Martell

Communication Studies

REDEFINE: Messages about Masculinity was held in the Berg Gallery on May 7th, 2019. REDEFINE’s story began on an evening of Fall Quarter of 2018 at Barrelhouse in Downtown San Luis Obispo. The overarching goal of the event was to start a conversation about masculinity and to educate. As communication students, we studied the value of building relationships and communicating effectively. We believe that listening to personal narratives of diverse interpretations through monologues, music, and video is a great way to learn about masculinity. As audience members and performers, we came to understand how crucial it is to create a …

Modifying Casting Parameters To Improve The High Temperature Ductility Of Investment Cast Nickel-Based Superalloy Pwa 1455, Lars Alexander Hedin, Cole Magnum Introligator

Materials Engineering

PCC Structurals, an industry leader in superalloy investment castings, has observed inconsistencies in the stress rupture performance of polycrystalline nickel-based superalloy PWA 1455. PCC has changed their casting parameters to reduce the thermal gradient during cooling but have been unable to correlate these changes with an increase in stress rupture elongation. Metallographic examination of past samples indicated microstructures composed of non- equiaxed dendritic grains with mean diameter of .021 inches along the test axis. A similar study on polycrystalline superalloys has indicated that excessive superheat temperatures above the liquidus can result in large grains identical to those observed, limiting the …

Effect Of Solder Joint Flux Residue On Medical Guide Wire Performance, Rebecca Lisberg, Enlly Bugarin Rodriguez

Materials Engineering

The effect of residual soldering flux on the mechanical properties of 304 stainless-steel core medical guide wires was analyzed. A soldering process joins the metallic components of the distal end of a medical guide wire product. Acidic soldering flux is used to prepare the surfaces of the metallic substrates. Manufacturing protocol utilizes an ultrasonic bath to remove excess flux from the soldered joints. Sample groups underwent different levels of cleaning: no cleaning, partial cleaning, and full ultrasonic bath cleaning to obtain varying residual flux levels. Experimental sample groups underwent corrosion acceleration in an environmental chamber at 37°C and 85% relative …