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Recent Developments in Numerical Integration
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Classical and even modern developments of numerical integration have not been directly concerned with the frequency-response of integration algorithms. The frequency-response characteristics of an ...
Estimator for Dynamic System Using Operating Records
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: An instrumental variable estimation of the parameters of an unknown system is augmented with several additional computations and compared with a least squares estimation. Good results follow from ...
Creep Testing at Variable Temperature and Load, Experimental and Computational Methods
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Design of engineering components for reliable service in conditions where severe load and thermal transients are encountered requires special care. The individual nature of each such application ...
Primary Creep Design of Thick Tubes
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: For thick tubes subjected to internal pressure, the estimation of creep-life by the cumulative damage criterion requires knowledge of the time variation of stress and strain at certain critical ...
A Simple Transversely Isotropic Hyperelastic Constitutive Model Suitable for Finite Element Analysis of Fiber Reinforced Elastomers
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A transversely isotropic fiber reinforced elastomer’s hyperelasticity is characterized using a series of constitutive tests (uniaxial tension, uniaxial compression, simple shear, and constrained ...
Dynamic Characteristics of an Inherently Compensated, Square, Gas Film Bearing
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A rectangular gas film bearing with inherently compensated feedholes evenly distributed around the interior is analyzed. The feedhole boundary between the enclosed central region and the exterior ...
Creep of Mass Concrete at Early Ages
Publisher: American Society of Civil Engineers
Abstract: A series of early‐age creep tests was conducted on mass‐concrete mixtures to be used in the construction of locks and dams. Tests were conducted to determine creep at ages of loading from 18 h through several days. While ...
Protective Layer Design in Landfill Covers based on Frost Penetration
Publisher: American Society of Civil Engineers
Abstract: We develop a design procedure to determine the minimum thickness of a protective soil layer over a barrier layer in a landfill cover design. The procedure equates the minimum thickness of the overlying protective layer to ...
Fundamental Concepts for “Corner” Forming Limit Diagrams and Closed-Form Formulas for Planar Tube Hydroforming Analysis
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A family of closed-form formulas for calculating minimum corner-fill radii in planar sections of tube hydroformed products is introduced. Corner forming limit diagrams relating the limiting major ...
Fatigue Strength Optimization of Bonded Joints
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The possibility of improving the fatigue strength of bonded double strap joints by reducing the stress concentration, inherently encountered at the conventional square (90 deg) strap edge, was ...