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RISTopology Optimization for Static Shape Control of Piezoelectric Plates With Penalization on Intermediate Actuation Voltage
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper investigates the simultaneous optimal distribution of structural material and trilevel actuation voltage for static shape control applications. In this optimal design problem, the shape ...
Design of Multimaterial Compliant Mechanisms Using Level-Set Methods
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A monolithic compliant mechanism transmits applied forces from specified input ports to output ports by elastic deformation of its comprising materials, fulfilling required functions analogous to ...
Direct and Indirect Cost-and-Benefit Assessment of Climate Adaptation Strategies for Housing for Extreme Wind Events in Queensland
Publisher: American Society of Civil Engineers
Abstract: The intensity of tropical cyclones and severe storms is likely to increase due to climate change. Brisbane and the northeast coast of Queensland are regions where design wind specifications may be inadequate under either ...
Subelement Division Scheme in a Numerical Wave Tank that Uses Higher-Order Boundary Element Method
Publisher: American Society of Civil Engineers
Abstract: In this note, partially discontinuous elements are employed to solve the singular integrals in the simulation of waves in a numerical wave tank. A higher-order boundary element method (HOBEM) is employed in combination ...
Random Movement of Mesoscale Eddies in the Global Ocean
Publisher: American Meteorological Society
Abstract: In this study we track and analyze eddy movement in the global ocean using 20 years of altimeter data and show that, in addition to the well-known westward propagation and slight polarity-based meridional deflections, ...
Accelerated Construction of Self-Anchored Suspension Bridge Using Novel Tower-Girder Anchorage Technique
Publisher: American Society of Civil Engineers
Abstract: The traditional construction methods (e.g., erecting cable after girder) of the self-anchored suspension bridge can interrupt traffic during the construction stage due to the installation of temporary supports. That severely ...
Structure-Actuator Integrated Design of Piezo-Actuated Composite Plate Wing for Active Shape Control
Publisher: ASCE
Abstract: The aerodynamic performance of aircraft can be improved via shape morphing of wings actuated by piezoelectric material. An integrated design approach of piezo-actuated wings was developed while simultaneously considering ...
Accelerated Construction of Self-Anchored Suspension Bridge Using Novel Tower-Girder Anchorage Technique
Publisher: American Society of Civil Engineers
Abstract: The traditional construction methods (e.g., erecting cable after girder) of the self-anchored suspension bridge can interrupt traffic during the construction stage due to the installation of temporary supports. That severely ...
Optimization of Locations and Fiber Orientations of Piezocomposite Actuators on Flexible Wings for Aeroelastic Control
Publisher: American Society of Civil Engineers
Abstract: Smart piezoelectric fiber composite materials have the potential to improve the aerodynamic properties and aeroelastic responses of flexible wings. Aeroelastic control performance significantly depends on the configurations ...
Effects of Environmental Factors on the Spatial Succession of the Bacterial Community in Municipal Solid-Waste Landfills
Publisher: ASCE
Abstract: Secondary pollution control and rapid stabilization of municipal solid waste (MSW) landfills are closely associated with bacterial communities. The spatial variations in bacterial community structure and the environmental ...