Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 37 for “"Structural efficiency"”.
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Encoding parameter and structural efficiency in deep learning
… in, I use a combination of these principles of efficiency to design novel approaches. First, within the context of medical image processing, I make the observation that spatially aligned neuroimages exhibit fewer degrees of freedom than natural images, which justifies the use of lower capacity …
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Structural efficiency study of composite wing rib structures
… primary design and analysis tool to assess the structural efficiency and geometry of a tailored corrugated panel, a corrugated panel with a continuous laminate, a hat stiffened panel, a blade stiffened panel, and an unstiffened nat plate. To correct some of the shortcomings in the PASCO analysis …
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Ultra-High Performance Concrete Shear Walls in Tall Buildings
… for shear walls in tall buildings considering structural efficiency and environmental sustainability. The Lattice Discrete Particle Model (LDPM) was used to simulate the response to failure of concrete shear walls without web steel bar reinforcement under lateral loading and constant axial …
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Spider web geometry inspires long span roof trusses
… spider's web design blueprints in present day structural systems. Initially, the size of long span roof truss is determined by the finding the gravity and lateral loads applied an ordinary building structure based on the current building code. Then, the web geometry of a Crytophora citricola's, …
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Nondestructive Evaluation/characterization of Airport Pavements Using Stress Wave Methods
… may be studied using energy analyses include structural efficiency, component coupling details, material viscoelastic properties and many other microstructural features.
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Optimization of Patterned Surface Structures
… surface structures used for architecture and structural engineering. On their own, well-designed surface structures--such as plates and shells--can be highly efficient, but by introducing specific aperture patterns, designers can further improve their potential for structural efficiency. Used …
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Development of design & technology package for cost effective housing in Gujrat
… Analyze space utilization patterns and structural efficiency of major systems and building types in selected villages. Assess the priorities and affordability of households of different economic classes. Summarize the problems and potentials. Recommendations: Strategies for improvements …
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Multi-objective optimization for structure and energy in the case of multistory buildings with atriums
… that a successful workflow exists that compares structural efficiency with operational energy efficiency for buildings that incorporate natural ventilation practices. The parametric model successfully generates floor-framing plans with atriums that are similar to industry standards. Furthermore, …
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Simulação do colapso progressivo da seção mestra de um navio militar devido à flexão longitudinal
… the National Defense Strategy (NDS). Aiming at structural efficiency, this work analyzed the progressive collapse of the midship of a military vessel due to longitudinal bending designed by standard. After the validation of the boundary conditions and the analysis of the midship section, we …
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A parametric investigation into the membrane stresses of hydrostatically loaded circular and elliptic toroidal shells
… in order to minimise the cost and maximise the structural efficiency, based on the membrane stresses occurring within the shell.
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Lateral systems for tall buildings
The advances in three-dimensional structural analysis and computing resources have allowed the efficient and safe design of increasingly taller structures. These structures are the consequence of increasing urban densification and economic viability. The modern skyscraper has and will thus continue …
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Multi-Objective Build Orientation and Topology Optimization for Cost and Time Minimization in Fiber Reinforced Additive Manufacturing
… orientation optimization (BOO), to maximize structural efficiency. Historically, FRAM research has focused primarily on structural objectives such as compliance minimization, often neglecting non-structural considerations like support structure minimization. Support structures, which are …
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Piezoelectric buckling actuators : form reduction, bidirectional control, and optimal switching
… research. One such technique exploits structural buckling to achieve displacement amplification gains greater than 100 while limiting energy transmission loss into the amplifying mechanism. This thesis first surveys the recently developed piezoelectric buckling actuator and identifies …
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Stock-constrained design of pseudo-standard walls from studs off-cuts
… to minimize new emissions and maximize structural efficiency. A human-scale prototype further assesses costs, architectural and structural flexibility, construction feasibility, robotic efficiency, and embodied emissions, offering a promising pathway for sustainable construction through …
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Combined Compression and Shear Structural Evaluation of Stiffened Panels Fabricated Using Electron Beam Freeform Fabrication
… to manufacture unitized aircraft structures. The structural efficiency of blade stiffened panels made with EBF3 was compared to panels made by integrally machining from thick plate. The panels were tested under two load cases in a combined compression-shear load test fixture. One load case tested …
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Structural analysis and optimum design of geodesically stiffened composite panels
… is used to conduct a preliminary design study of structurally efficient stiffened aircraft wing rib panels. Design variables include thickness of the skin laminate, stiffener thickness, and stiffener height. Applied loads are uniaxial compression, pure shear, and combined compression-shear. Two …
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STANDARDS TO CONTROL FRACTURE IN STEEL BRIDGES THROUGH THE USE OF HIGH-TOUGHNESS STEEL AND RATIONAL INSPECTION INTERVALS
… late 1800’s. Designers recognized the inherent structural efficiency and economy associated with two-girder and truss systems. Unfortunately, early knowledge was limited regarding fatigue, fracture, and overall system behavior; subsequently, a small number of these structures experienced fatigue …
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Generative Structural Design: An Algorithmic Approach to Synthesizing and Optimizing Steel Lateral Systems
… configuration have significant effects on the structural efficiency of buildings and are difficult to revise later in the design process, it is essential to provide designers with accurate material quantity and embodied carbon estimates at early design stages. The diversity of architectural …
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Improved structural, embodied carbon and cost efficiency of single storey industrial buildings using sandwich panels
… Building Regulations aimed at improving energy efficiency have resulted in significant increases in the amount of insulation incorporated into building envelopes. As a consequence, composite (sandwich) panels have become deeper, considerably improving their structural capability in terms of …
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Computational exploration of the structural design space
… on computational strategies for incorporating structural considerations into the earliest stages of the architectural design process. Because structural behavior is most affected by geometric form, the greatest potential for structural efficiency and a harmony of design goals occurs when global …
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