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RISPartitioned Transient Analysis Procedures for Coupled-Field Problems: Stability Analysis
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A general partitioned transient analysis procedure is proposed, which is amenable to a unified stability analysis technique. The procedure embodies two existing implicit-explicit procedures and one ...
An Improved Stiffly Stable Method for Direct Integration of Nonlinear Structural Dynamic Equations
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The behavior of linear multistep methods has been evaluated for application to structural dynamics problems. By examining the local stability of the currently popular methods as applied to ...
An Improved Semi-Implicit Method for Structural Dynamics Analysis
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A semi-implicit algorithm is presented for direct time integration of the structural dynamics equations. The algorithm avoids the factoring of the implicit difference solution matrix and mitigates ...
Localized Vibration Isolation Strategy for Low-Frequency Excitations in Membrane Space Structures
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The present study explores both structural and controller design to attenuate vibration in large membrane space structures, especially due to low-frequency harmonic excitations. It is very difficult ...
The Deployment of Curved Closed Tubes
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A critical review of previous work on the unfurling of helically curved tubes (Greschik et al, 1994, 1996) is conducted, which leads to the proposition of a continuous and smooth deployment ...
Partitioned Transient Analysis Procedures for Coupled-Field Problems: Accuracy Analysis
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Partitioned solution procedures for direct time integration of second-order coupled-field systems are studied from the standpoint of accuracy. These procedures are derived by three formulation ...
A Simplified Technique for Prediction of Collapse Modes in Crash-Impacted Structural Systems
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A pseudostatistical technique utilizing linear system parameters for the determination of strain energy concentration patterns within shock-impacted structural systems forms the basis for identifying ...
Computational Aspects of Time Integration Procedures in Structural Dynamics—Part 1: Implementation
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A unified approach for the implementation of direct time integration procedures in structural dynamics is presented. Two key performance assessment factors are considered, viz., computational effort ...
Computational Aspects of Time Integration Procedures in Structural Dynamics—Part 2: Error Propagation
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The propagation of computational error in the direct time integration of the equations of structural dynamics is investigated. Asymptotic error propagation equations corresponding to the computational ...
A Curved C0 Shell Element Based on Assumed Natural-Coordinate Strains
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A curved C 0 shell element is presented, which corrects several deficiencies in existing quadratic shell elements. The improvements realized in the present element include rank sufficiency without ...