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RISAsymmetric Bifurcation of Initially Curved Nanobeam
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In this paper, we investigate the asymmetric bifurcation behavior of an initially curved nanobeam accounting for Lorentz and electrostatic forces. The beam model was developed in the framework of Euler–Bernoulli beam ...
A Survey of Modeling and Control Issues for Piezo electric Actuators
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Piezoelectric actuators (PEAs) have been widely used in nanopositioning applications due to their high stiffness, fast responses, and large actuating forces. However, the existence of nonlinearities such as hysteresis can ...
Modeling the Flow Behavior and Flow Rate of Medium Viscosity Alginate for Scaffold Fabrication With a Three-Dimensional Bioplotter
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Tissue regeneration with scaffolds has proven promising for the repair of damaged tissues or organs. Dispensing-based printing techniques for scaffold fabrication have drawn considerable attention due to their ability to ...
Disturbance Observer-Based Pitch Control of Wind Turbines for Enhanced Speed Regulation
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Time-varying unknown wind disturbances influence significantly the dynamics of wind turbines. In this research, we formulate a disturbance observer (DOB) structure that is added to a proportional-integral-derivative (PID) ...
Effect of Initial Texture on Rollability of Mg 3Al 1Zn Alloy Sheet
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The influence of initial texture on rollability is investigated using cuneal AZ31 Mg alloy sheets. Upon large thickness reduction, the sheet with initial basal texture has many edge cracks, whereas the sheet is crackfree ...
Remote Determination of Time-Dependent Stiffness of Surface-Degrading-Polymer Scaffolds Via Synchrotron-Based Imaging
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Surface-degrading polymers have been widely used to fabricate scaffolds with the mechanical properties appropriate for tissue regeneration/repair. During their surface degradation, the material properties of polymers remain ...
Interaction of Two Coaxial PennyShaped Cracks Near an Arbitrarily Graded Interface in Functionally Graded Materials: Exact and Approximate Solutions
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Multiple cracks interaction is an important topic in fracture mechanics. The related solutions are helpful to understand the failure process and the toughening mechanism of brittle materials. Previous works on the topic ...
Interaction of Two Coaxial Penny-Shaped Cracks Near an Arbitrarily Graded Interface in Functionally Graded Materials: Exact and Approximate Solutions
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Multiple cracks interaction is an important topic in fracture mechanics. The related solutions are helpful to understand the failure process and the toughening mechanism of brittle materials. Previous works on the topic ...
The Effect of Varying Fiber Characteristics on the Simultaneous Measurement of Heat and Momentum Transfer to Flowing Fiber Suspensions
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Heat transfer and pressure loss measurements were obtained simultaneously for a range of wood pulp fiber suspensions flowing in a pipeline. Data were obtained over a selected range of flow rates and temperatures from a ...
Apparent Flexoelectricity Due to Heterogeneous Piezoelectricity
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Recent work has highlighted how the phenomenon of flexoelectricity can masquerade as piezoelectricity. This notion can not only be exploited to create artificial piezoelectric-like materials without using piezoelectric ...