The purposes of this study were (1) to determine the possible effects of spring football practice on strength retention among the varsity football players at the University of the Pacific as measured by the four strength tests from Edwin A. Fleishman’s Basic Fitness Test Battery for Evaluation of Physical Fitness Factors; the one repetition maximum scores from five weight training exercises; and the maximum number of bar dips performed for one set: (2) to determine whether weight training during spring football practice is beneficial for strength retention for the duration of spring football practice: and (3) to determine the effectiveness of two weight training programs in the development of strength.

This thesis deals with a solution of lifting equipment for sheet metal samples handling. Facility will be part of an automatic production line for semi-finished test specimens for testing the mechanical properties of sheet metals. The options of solutions discussed in this thesis is performed that choice which should be the concept of lifting equipment. Course work cycle of the selected concept is designed, so that material flow provided by the facility meets requirements of the production line. Calculations for the design parts of the main cylinder and the running gear are carried out using a set of parameters and then strength check of steel construction follows. The 3D model of the manipulator, the manipulator assembly drawings and layout drawings of the production line are annexes of this work.

The purpose of this thesis is to develop a guideline template that should supportthe industrial partner when designing lifting equipment. A newly updated standardwith focus on fatigue was the base of the project. The standard divides load cyclesinto over and under 16 000 cycles and they have different requirements. Thisproject explains how to reach these requirements. By interpretation of neededvariables/calculation and how to solve these calculations. A workflow for Finiteelement analysis is presented and analysis is done on lifting equipment. The resulta guideline template with focus on fatigue which indicates which requirementsneeds which solution.

Rotork is a company stationed in Falun municipality, Sweden and manufactures electric valve actuators. This thesis will investigate one of their lifting beams used in daily production. Although already being used for more than 10 years, it is still not yet CE market which is necessary for it to be used legally. The purpose of this thesis is to investigate how the lifting beam complies with the existing directives, laws, and standards and provide a basis for CE marking. A six-step method for CE marking was decided as useful to fulfil the aims of this thesis. This method includes everything from identifying applicable directives and standards, relevant tests, documentation and a procedure to CE mark the product.The results show that the lifting beam shall indeed be regarded as a machine by the definition provided in the Machine directive 2006/42/EG and should therefore follow its requirements as well as the Swedish version of the Machine directive, AFS 2008:3. To verify which paragraphs of AFS 2008:3 the lifting beam complies with, does not comply with or are not relevant a risk analysis was performed. In order to interpret the meaning of the paragraphs in AFS 2008:3 and its appliance, a relevant standard for lifting beam was chosen which in this case was SS-EN 13155+A2:2009. The results of the risk analysis show that the lifting beam lacks in two areas, the technical documentation which needs to be completed and further tests of the mechanical constriction are needed for the lifting beam to finally be CE marked.

Let u and v be vertices of a graph G, such that the distance between u and v is two and x is a common neighbor of u and v. We define the edge lift of uv off x as the process of removing edges ux and vx while adding the edge uv to G. In this paper, we investigate the effect that edge lifting has on the total domination number of a graph. Among other results, we show that there are no trees for which every possible edge lift decreases the total domination number and that there are no trees for which every possible edge lift leaves the total domination number unchanged. Trees for which every possible edge lift increases the total domination number are characterized.

Let u and v be vertices of a graph G, such that the distance between u and v is two and x is a common neighbor of u and v. We define the edge lift of uv off x as the process of removing edges ux and vx while adding the edge uv to G. In this paper, we investigate the effect that edge lifting has on the total domination number of a graph. Among other results, we show that there are no trees for which every possible edge lift decreases the total domination number and that there are no trees for which every possible edge lift leaves the total domination number unchanged. Trees for which every possible edge lift increases the total domination number are characterized.

Let uxv be an induced path with center x in a graph G. The edge lifting of uv off x is defined as the action of removing edges ux and vx from the edge set of G, while adding the edge uv to the edge set of G. We study trees for which every possible edge lift changes the domination number. We show that there are no trees for which every possible edge lift decreases the domination number. Trees for which every possible edge lift increases the domination number are characterized.

This work focuses on the development of efficient methods for wing shape optimization for morphing wing technologies. Existing wing shape optimization processes typically rely on computational fluid dynamics tools for aerodynamic analysis, but the computational cost of these tools makes optimization of all but the most basic problems intractable. In this work, we present a set of tools that can be used to efficiently explore the design spaces of morphing wings without reducing the fidelity of the results significantly. Specifically, this work discusses automatic differentiation of an aerodynamic analysis tool based on lifting line theory, a light-weight gradient-based optimization framework that provides a parallel function evaluation capability not found in similar frameworks, and a modification to the lifting line equations that makes the analysis method and optimization process suitable to wings of arbitrary aspect ratio. The toolset discussed is applied to several wing shape optimization problems. Additionally, a method for visualizing the design space of a morphing wing using this toolset is presented. As a result of this work, a light-weight wing shape optimization method is available for analysis of morphing wing designs that reduces the computational cost by several orders of magnitude over traditional methods without significantly reducing the accuracy of the results.

京都大学 / 0048 / 新制・課程博士 / 博士(工学) / 甲第17889号 / 工博第3798号 / 新制||工||1581(附属図書館) / 30709 / 京都大学大学院工学研究科電気工学専攻 / (主査)教授 萩原 朋道, 教授 土居 伸二, 准教授 久門 尚史 / 学位規則第4条第1項該当 / Doctor of Philosophy (Engineering) / Kyoto University / DFAM

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