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RISTensile Stress Relaxation Behavior of Thermosetting Polyurethane Solid and Foams: Experiment and Model Prediction
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Stress relaxation behavior of thermosetting polyurethane (PU) solid and foams were investigated in tensile mode using a dynamic mechanical analyzer (DMA). PU solid samples were manufactured in a ...
Ultrasound Assisted Hybrid Carbon Epoxy Composites Containing Carbon Nanotubes
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A simple approach has been reported toward the development of hybrid nano/microfiber composite structures with improved mechanical properties. Ultrasound assisted atomization process has been utilized for depositing carbon ...
Incorporating Density and Temperature in the Stretched Exponential Model for Predicting Stress Relaxation Behavior of Polymer Foams
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper discusses an approach to incorporate density and temperature terms in the wellknown stretched exponential (SE) model for predicting the stress relaxation behavior of polymer foams. We have developed this approach ...
Numerical Analysis of Large-Diameter Monopiles in Dense Sand Supporting Offshore Wind Turbines
Publisher: American Society of Civil Engineers
Abstract: Large-diameter monopiles are widely used foundations for offshore wind turbines. In the present study, three-dimensional finite-element (FE) analyses are performed to estimate the static lateral load-carrying capacity of ...
Numerical Analysis of Large-Diameter Monopiles in Dense Sand Supporting Offshore Wind Turbines
Publisher: American Society of Civil Engineers
Abstract: Large-diameter monopiles are widely used foundations for offshore wind turbines. In the present study, three-dimensional finite-element (FE) analyses are performed to estimate the static lateral load-carrying capacity of ...
Numerical Modeling of Suction and Trench Formation at the Touchdown Zone of Steel Catenary Riser
Publisher: American Society of Civil Engineers
Abstract: Steel catenary risers (SCR) are widely used in deepwater oil and gas production. The riser–seabed–water interaction near the touchdown zone is one of the main concerns in the design of fatigue life of SCR. During upward ...
Study on the Cure Kinetic Behavior of Thermosetting Polyurethane Solids and Foams: Effect of Temperature, Density, and Carbon Nanofiber
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Cure kinetic behavior was studied for both thermosetting polyurethane (PU) solids and foams. The effects of cure temperature, foam density, and carbon nanofiber (CNF) contents were examined. Cure ...
Viscosity Effects on One-Dimensional Consolidation of Clay
Publisher: American Society of Civil Engineers
Abstract: A constitutive relationship for one-dimensional consolidation of clays is presented. It recognizes the importance of structural viscosity and yielding in controlling many of the phenomena associated with the consolidation ...
Numerical Modeling of Suction and Trench Formation at the Touchdown Zone of Steel Catenary Riser
Publisher: American Society of Civil Engineers
Abstract: Steel catenary risers (SCR) are widely used in deepwater oil and gas production. The riser–seabed–water interaction near the touchdown zone is one of the main concerns in the design of fatigue life of SCR. During upward ...
Finite-Element Evaluation of Burst Pressure Models for Corroded Pipelines
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Codes/standards have been developed to calculate accurately the burst pressure for corroded pipelines. Five burst pressure models are evaluated in this paper using three-dimensional finite-element (FE) analysis. The ...