Index Catalog // ScholarsArchive@OSU

Fibers Microbuckling of Uncured Carbon-Epoxy Prepreg in Bending

Creator:: Guo, Yizhi
Abstract:: Prepreg is widely used in composite manufacturing with advanced composites such as carbon and aramid. The material is characterized by a degree of flexibility (drape) and stickiness (tack), which allows an efficient layup on molds with complex shapes. However, axial instability of compressed fibers during the molding process may occur,...
Resource Type:: Masters Thesis
Full Text:: ABSTRACT OF THE THESIS OF Yizhi Guo for the degree of Master of Science in Mechanical Engineering

Advancing Robotic Grasp Planning using Human Heuristics for Grasp Similarity

Creator:: Dixit, Saurabh Milind
Abstract:: This thesis explores the use of human kinesthetic input to advance robotic grasp planning. It specifically focuses on identification of human heuristics of grasp similarity by extensive human-subject experiments. This heuristic is then utilized to develop a robust metric for identifying similar robotic grasps. The central hypothesis of this work...
Resource Type:: Masters Thesis
Full Text:: : Major Professor, representing Robotics Head of the School of Mechanical, Industrial and Manufacturing

The dynamic shear moduli of blubber for selected large whale species

Creator:: Summers, Michael P.
Abstract:: Whale blubber is the insular tissue layer located between the dermis and the superficial fascia layer which sheathes the whale's musculature. It is made up of a lipid matrix ramified with strong, structural collagen and elastic fiber bundles, but little is known of its mechanical properties. Knowing these properties adds...
Resource Type:: Masters Thesis
Full Text:: measurements of the complex dynamic shear modulus (G*=G’+iG”), a viscoelastic mechanical property, of

Modeling Implantable Passive Mechanisms for Modifying the Transmission of Forces and Movements between Muscle and Tendons

Creator:: Homayouni, Taymaz
Abstract:: This thesis explores the development of biomechanical models for evaluating a new class of passive mechanical implants for orthopedic surgery. The proposed implants take the form of passive engineered mechanisms and will be used to improve the functional attachment of muscles to tendons and bone by modifying the transmission of...
Resource Type:: Masters Thesis
Full Text:: of Master of Science in Mechanical Engineering presented on June 2, 2015. Title: Modeling

Evaluation of Abaqus for simulating quasi-static Mode III shear of edge notched carbon fiber reinforced polymer panels

Creator:: Hyder, Imran
Abstract:: The ability to engineer stiffness and strength in any desired direction make composites an ideal material candidate for various applications when compared to their traditional isotropic counterparts. In spite of this, the ability to model the material response in composites has yet to be fully explored. Composite research largely focuses...
Resource Type:: Masters Thesis

Theoretical modeling and experimental analysis of the flight mechanics of Lepidoptera

Creator:: Wilson, Tyler
Abstract:: Development of micro air vehicles has led to a strong interest in the biomechanics of flapping fliers such as bats, birds, and insects, due to their ability to perform extreme unsteady maneuvers and fly in confined spaces. Determining the methods and mechanisms used by these fliers is a valuable source...
Resource Type:: Masters Thesis
Full Text:: in Mechanical Engineering presented on June 13, 2013. Title: Theoretical Modeling and

An experimental approach to analyze large notched composite panels loaded in out-of-plane shear

Creator:: Froemming, Tyler M.
Abstract:: Identifying material characteristics of composites is important in designing any structural system. The aerospace industry relies on these material properties not only to design a functional aircraft, but also a safe and reliable one. Since carbon fiber composites are relatively new materials, little is known about its characteristics under certain...
Resource Type:: Masters Thesis
Full Text:: ABSTRACT OF THE THESIS OF Tyler M. Froemming for the degree of Master of Science in Mechanical

Application of digital image correlation in material parameter estimation and vibration analysis of carbon fiber composite and aluminum plates

Creator:: Chuang, Chih-Lan Jasmine
Abstract:: Identifying material parameters in composite plates is a necessary first step in a variety of structural applications. For example, understanding the material parameters of carbon fiber composite is important in investigating sensor and actuator placement on micro-air-vehicle wings for control and wing morphing purposes. Knowing the material parameters can also...
Resource Type:: Masters Thesis
Full Text:: degree of Master of Science in Mechanical Engineering presented on May 1, 2012. Title: Application of

Design, analysis, and validation of composite c-channel beams

Creator:: Koski, William C.
Abstract:: A lightweight carbon fiber reinforced polymer (CFRP) c-channel beam was previously designed using analytical theory and finite element analysis and subsequently manufactured through a pultrusion process. Physical testing revealed the prototype did not meet the bending and torsional stiffness of the beam model. An investigation revealed that the manufactured prototype...
Resource Type:: Masters Thesis
Full Text:: . Koski for the degree of Master of Science in Mechanical Engineering presented on September 6, 2012

Failure analysis of pre-notched composite laminated plates under four-point bending conditions

Creator:: Arias Gonzales, Sergio
Abstract:: Ever since composite laminate technology was introduced into the aerospace and automotive industry, there has been a need to fully understand the damage progression experienced by composite laminated plates in the presence of a notch. While numerous research studies have been conducted on this matter when subjected to in-plane loads,...
Resource Type:: Dissertation
Full Text:: Sergio G. Arias for the degree of Doctor of Philosophy in Mechanical Engineering presented on February

Heat Treatment Effects on the Mechanical Properties and Microstructure of CPM-M4 Tool Steel

Creator:: Fast, Cody P.
Abstract:: Variations in heat treatments have significant effects on the microstructure of tool steels. For CPM-M4 tool steel, the changes in microstructure and mechanical properties were observed based off of variations in temperature. Five heat treatments with constant exposure time and variable austenitizing and tempering temperatures were performed on samples of...
Resource Type:: Masters Thesis
Full Text:: - and macroscopic mechanical property data. Changes in mechanical properties on the macro-scale are

From running birds to walking robots : optimization as a unifying framework for dynamic bipedal locomotion

Creator:: Hubicki, Christian M.
Abstract:: Bipedal locomotion is a complex phenomenon to understand and control, making it difficult for legged robots to achieve the speed, agility, efficiency, and robustness of their animal counterparts. This thesis argues for the use of numerical optimization to investigate and implement bipedal control as it applies to biology, dynamical models,...
Resource Type:: Dissertation
Full Text:: for the degree of Doctor of Philosophy in Robotics and Mechanical Engineering presented on December

ScholarsArchive@OSU

Fibers Microbuckling of Uncured Carbon-Epoxy Prepreg in Bending

Advancing Robotic Grasp Planning using Human Heuristics for Grasp Similarity

The dynamic shear moduli of blubber for selected large whale species

Modeling Implantable Passive Mechanisms for Modifying the Transmission of Forces and Movements between Muscle and Tendons

Evaluation of Abaqus for simulating quasi-static Mode III shear of edge notched carbon fiber reinforced polymer panels

Theoretical modeling and experimental analysis of the flight mechanics of Lepidoptera

An experimental approach to analyze large notched composite panels loaded in out-of-plane shear

Application of digital image correlation in material parameter estimation and vibration analysis of carbon fiber composite and aluminum plates

Design, analysis, and validation of composite c-channel beams

Failure analysis of pre-notched composite laminated plates under four-point bending conditions

Heat Treatment Effects on the Mechanical Properties and Microstructure of CPM-M4 Tool Steel

From running birds to walking robots : optimization as a unifying framework for dynamic bipedal locomotion

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