Mechanics and Adaptronics – serie
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29 produkter
New Kirchhoff-Love Beam Element and its Application to Polymer Mechanics
Inbunden, 2022
1534 kr
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The novel finite element formulations fall into the category of geometrically exact Kirchhoff-Love beams. A prominent characteristic of this category is that the absence of shear deformation is strongly enforced by removing two degrees of freedom. Further, the corresponding beam theories exhibit …
New Kirchhoff-Love Beam Element and its Application to Polymer Mechanics
Häftad, 2023
1534 kr
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The novel finite element formulations fall into the category of geometrically exact Kirchhoff-Love beams. A prominent characteristic of this category is that the absence of shear deformation is strongly enforced by removing two degrees of freedom. Further, the corresponding beam theories exhibit …
Characterisation of the Mechanical Properties of Heat-Induced Protein Deposits in Immersed Cleaning Systems
Av Jintian Liu
Inbunden, 2023
1692 kr
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During heat treatment in dairy production, the rapid formation of heat-induced fouling deposits on the plant surface leads to reduced efficiency of heat transfer. Therefore, a regular cleaning process is required to soften the heat-induced protein deposits and then remove them from the plant …
Characterisation of the Mechanical Properties of Heat-Induced Protein Deposits in Immersed Cleaning Systems
Av Jintian Liu
Häftad, 2024
1692 kr
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During heat treatment in dairy production, the rapid formation of heat-induced fouling deposits on the plant surface leads to reduced efficiency of heat transfer. Therefore, a regular cleaning process is required to soften the heat-induced protein deposits and then remove them from the plant …
Two-Dimensional Piezoresistivity Model for Anisotropic Materials and its Application in Self-Sensing of Carbon Fiber Reinforced Plastics
Inbunden, 2023
1643 kr
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This thesis works on the topic of fiber-reinforced plastics and discusses the measurement of strain with embedded sensors. Embedding sensors into a structure fundamentally poses challenges arising from the differences in mechanical properties of sensor and structure. This thesis works on the …
Two-Dimensional Piezoresistivity Model for Anisotropic Materials and its Application in Self-Sensing of Carbon Fiber Reinforced Plastics
Häftad, 2024
1643 kr
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This thesis works on the topic of fiber-reinforced plastics and discusses the measurement of strain with embedded sensors. Embedding sensors into a structure fundamentally poses challenges arising from the differences in mechanical properties of sensor and structure. This thesis works on the …
Dynamic and Fatigue Assessment of Heavy-Duty Engine Valves
Inbunden, 2024
1643 kr
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This book provides findings on the simulation of the valve dynamic to the current technological standards. Above all, it delivers a simulation based and predictive approach on the fatigue strength assessment of four-stroke heavy-duty engine valves. The demand for more efficient combustion engines …
Dynamic and Fatigue Assessment of Heavy-Duty Engine Valves
Häftad, 2025
1643 kr
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This book provides findings on the simulation of the valve dynamic to the current technological standards. Above all, it delivers a simulation based and predictive approach on the fatigue strength assessment of four-stroke heavy-duty engine valves. The demand for more efficient combustion engines …
Ultraviolet Light Curable Piezoelectric Multi-phase Composites
Av Rytis Mitkus
Inbunden, 2024
1643 kr
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This book offers extensive knowledge and characterization methods for Ultraviolet light curable piezoelectric 0-3 composites for researchers and industry. The book provides extensive research on the use of carbon-based conductive nanoparticles to improve the performance of Ultraviolet light curable …
Ultraviolet Light Curable Piezoelectric Multi-phase Composites
Av Rytis Mitkus
Häftad, 2025
1643 kr
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This book offers extensive knowledge and characterization methods for Ultraviolet light curable piezoelectric 0-3 composites for researchers and industry. The book provides extensive research on the use of carbon-based conductive nanoparticles to improve the performance of Ultraviolet light curable …
Development of a Self-Sufficient, Wireless Sensor Node Using the Outer FML Layer as an Antenna
Inbunden, 2025
1861 kr
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This book presents an investigation on integrating wireless sensor nodes including their antennas into fiber metal laminates (FMLs) for the purpose of enabling wireless, material-integrated structural health monitoring.Within the scope of this work, a digital sensor node is presented, which can be …
Development of a Self-Sufficient, Wireless Sensor Node Using the Outer FML Layer as an Antenna
Häftad, 2026
1861 kr
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This book presents an investigation on integrating wireless sensor nodes including their antennas into fiber metal laminates (FMLs) for the purpose of enabling wireless, material-integrated structural health monitoring.Within the scope of this work, a digital sensor node is presented, which can be …
Design Load Allowables for Composite Plates Exposed to Thermomechanical Loads
Inbunden, 2024
1643 kr
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Current methodologies used to design lightweight structures made of CFRP materials under static thermomechanical conditions often rely on simplified approaches. In particular, the temperature-related design case is typically described by assuming a uniform distribution of the worst-case …
Design Load Allowables for Composite Plates Exposed to Thermomechanical Loads
Häftad, 2025
1643 kr
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Current methodologies used to design lightweight structures made of CFRP materials under static thermomechanical conditions often rely on simplified approaches. In particular, the temperature-related design case is typically described by assuming a uniform distribution of the worst-case …
Functional Compliance of Multifunctional Bondlines with Disbond Arrest and Health Monitoring Features for Safe and Efficient Composite Joints
Inbunden, 2025
1970 kr
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Safe and efficient joints are key for improving the structural efficiency of composite aircraft. Therefore, this thesis investigates the potential of multifunctional bondlines, combining structural bonding, disbond arrest features, and structural health monitoring. The central research question is …
Functional Compliance of Multifunctional Bondlines with Disbond Arrest and Health Monitoring Features for Safe and Efficient Composite Joints
Häftad, 2026
1970 kr
Lägg i varukorg
Safe and efficient joints are key for improving the structural efficiency of composite aircraft. Therefore, this thesis investigates the potential of multifunctional bondlines, combining structural bonding, disbond arrest features, and structural health monitoring. The central research question is …
Pressure-Actuated Cellular Structures for Adaptive Wingtips
Inbunden, 2025
1752 kr
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Aviation has a substantial environmental impact, necessitating a shift towards more sustainability. High-aspect-ratio (HAR) wings increase the efficiency of future transport aircraft by significantly reducing induced drag and, consequently, fuel consumption. However, the extended wingspan of HAR …
Pressure-Actuated Cellular Structures for Adaptive Wingtips
Häftad, 2026
1752 kr
Lägg i varukorg
Aviation has a substantial environmental impact, necessitating a shift towards more sustainability. High-aspect-ratio (HAR) wings increase the efficiency of future transport aircraft by significantly reducing induced drag and, consequently, fuel consumption. However, the extended wingspan of HAR …
Relevance of Manufacturing-Induced Residual Stress States in Fiber Metal Laminates for Structural Health Monitoring
Inbunden, 2026
552 kr
Kommande
This open access dissertation explores how manufacturing-induced residual stress states in fiber metal laminates (FMLs) affect a structural health monitoring (SHM) system. SHM is a promising technology for monitoring the structural integrity during operation. SHM systems using guided ultrasonic …
Triply Periodic Minimal Surface Structures for Laminar Flow Control
Inbunden, 2026
1643 kr
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Laminar flow control systems promise substantial emission reductions by minimising the viscous drag of transport aircraft. While boundary-layer suction has been proven in wind tunnel and flight tests, no system effectively improving the energy efficiency of transport aircraft is available. This …
Kombination von Automated Fibre Placement und Additive Layer Manufacturing
Inbunden, 2022
670 kr
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Im Rahmen der vorliegenden Dissertation werden zwei additiven Fertigungsverfahren, Automated Fiber Placement (AFP) und Additive Layer Manufacturing (ALM) unter Verwendung thermoplastischer Faserverbundwerkstoffe kombiniert. Weiterhin kommt künstliche Intelligenz zur Optimierung und Minimierung der …
Steuerbares Reibverhalten trockenlaufender Tribosysteme
Av Zhenwei Miao
Inbunden, 2023
1230 kr
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Die vorliegende Arbeit untersucht einen neuen Freiheitsgrad zur Beeinflussung der Reibung, indem ein adaptiver Reibbelag entwickelt wird, dessen Reibung aktiv durch den Einsatz von den Piezoaktoren beeinflusst wird, und zwar primär durch Änderung bzw. Kombination verschiedener Materialpaarungen im …
Bauteilintegrierte Überwachung variothermer Faserverbundfertigungsprozesse mittels minimalinvasiver Foliensensoren auf löslichem Substrat
Inbunden, 2024
1332 kr
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Um bei der Fertigung von Faserverbundkunststoffen Zeit, Energie und Kosten sparen zu können, werden möglichst viele Informationen über die Vorgänge während des Fertigungsprozesses benötigt. Die Integration von Foliensensoren in die hergestellten Bauteile ist eine von mehreren Möglichkeiten, diese …
Charakterisierung des strukturdynamischen Verhaltens von Faser-Metall-Laminaten unter Anregung geführter Ultraschallwellen
Inbunden, 2024
1536 kr
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Das Ziel dieses Buches ist die Charakterisierung und Beschreibung des Ausbreitungsverhaltens geführter Ultraschallwellen (GUW) in Faserverbund-Metall-Laminaten (FML). Sie gliedert sich in drei experimentelle Untersuchungen. Im ersten Experiment wird das Phasenverhältnis der Schwingungen an …
Thermo-mechanisches Enteisungssystem auf Basis von Formgedächtnislegierungen
Av Ozan Tamer
Inbunden, 2024
1230 kr
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In dieser Forschungsarbeit wird ein neuartiges Enteisungssystemkonzept untersucht, bei dem ein Draht aus einer Formgedächtnislegierung (FGL) in ein Elastomermaterial eingebettet wird, um thermomechanische Effekte zu erzielen. Die besonderen thermischen und mechanischen Eigenschaften von FGL machen …
Steigerung der Bahngenauigkeit mobiler Industrieroboter durch eine Modellerweiterung mittels künstlicher neuronaler Netze
Inbunden, 2024
1230 kr
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Mobile Roboter besitzen das Potenzial, zu deutlichen Effizienzsteigerungen in der Fertigung kohlenstofffaserverstärkter Kunststoffe zu führen, wenn sie die aktuell üblichen Sondermaschinen ersetzen. Dazu müssen die mobilen Roboter Bahngenauigkeiten im Submillimeterbereich erreichen. Da stationäre …
Aktives Folienlager mit nachgiebigem Lagerträger und piezokeramischen Patchaktuatoren
Inbunden, 2025
1434 kr
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Folienlager sind Gleitlager mit einer nachgiebigen Innenkontur. Dies erlaubt die Kompensation der fliehkraft- und temperaturbedingten Wellenexpansion bei hohen Drehzahlen. Die vielen Reibkontakte zwischen den Folien erhöhen zudem die Lagerdämpfung. Mit aerodynamisch wirkenden Folienlagern …
Voraussetzungen der Existenz frequenzunabhängiger Schalleinstrahlungsformen
Inbunden, 2025
1230 kr
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Zur Effizienzsteigerung im Transportsektor wird häufig Gewicht reduziert, was durch dünnere Strukturen jedoch auch zu erhöhten Schwingungsamplituden und somit Schalleinstrahlung in die Fahrgastzellen führt. Diese Dissertation untersucht einen zuvor publizierten Ansatz zur effizienten Beschreibung …
Wickelbare Faserverbundbewehrung für die robotische Integration in additiv gefertigte Betonstrukturen
Av Tom Rothe
Inbunden, 2026
1332 kr
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Dieses Buch bietet eine bahnbrechende Perspektive auf die Verstärkung additiv gefertigter Betonstrukturen und adressiert die drängende Frage, wie die Bauindustrie ihre Ressourceneffizienz steigern kann. Angesichts der Tatsache, dass die Bauwirtschaft für 40 % des weltweiten Feststoffabfalls …
