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Dynamic Response Analysis of Three-Dimensional Beam-Columns
This paper describes a methodology for dynamic response analysis of three-dimensional beam-columns, whereby an elastic force's axial-flexural interaction is modeled with stability...

Forced Vibration Analysis of Frame Structures Subjected to Support Movements by the Distributed Mass Method
The dynamic response of frame structures subjected to support movements as a time varying excitation is analyzed by the distributed mass method. The continuous nature of a structure can...

Dynamic Behavior of a Non-Linear Cable Truss
The equations of motion of a geometrically non-linear cable truss are presented. The behavior of the truss subject to harmonic excitation is studied....

Free Vibration of Stepped Beams
This paper addresses the free vibration of a stepped Euler-Bernoulli beam using dynamic flexibility methods. The characteristic equation of the system is derived, from which the system...

Using a Linearized Yield Surface in Dynamic Analysis
This paper describes an application of the finite element method to dynamic analysis of systems which exhibit material nonlinearity. A time history approach is used with a central difference...

The Analysis of a Spherical Shell
The analysis of a spherical shell may be performed by using the integral equation method. For a continuum structure, this method is computationally efficient and requires simple input...

Optimal Control Configuration for Active Control of Structural Vibrations
An active tendon control mechanism is used to control the vibrations of a bridge-like structure. A single control force controls three modes of vibrations. Special attention is paid to...

Spatial Coherence in the Chaotic Dynamics of Multi-Degree-of-Freedom Elastic Impact Oscillators
In this paper, we describe a method for estimating the number of degrees of freedom needed to adequately model nonlinear structural systems. We apply the method to the study of chaotic...

Chaotic Response and Stability of Rocking Rigid Objects
An analytical method and numerical results for predicting the existence of chaotic response of rocking rigid objects subjected to harmonic horizontal based excitation are presented. It...

Chaotic Analysis of Dynamic Bifurcation of Viscoelastic Shallow Arches
Periodic and chaotic motions in a mathematical model of an imperfect, viscoelastic shallow arch under a dynamic sinusoidal load for both the symmetric and the coupled unsymmetric responses...

Response of Nonclassically Damped MDOF Systems to Nonstationary Random Excitation
A procedure for calculating the dynamic response of a nonclassically damped multi-degree-of-freedom (MDOF) system to nonstationary non-white vector-valued random excitation is developed...

Response Triscpectrum for a Yielding Structure
Simulation is used to obtain information about non-Gaussian aspects of the absolute response acceleration of a bilinear hysteretic oscillator with an excitation which is Gaussian white...

Adequacy of Statistical Linearization for Nonlinear Degrading Structural Systems
An investigation is carried out to examine the validity of current practice in using statistical linearization method for nonlinear degrading structures subject to random ground acceleration....

Thermal Effects in a Transient Study of Fracture
Studies, e.g. Zehnder and Rosakis (1989), indicate that fracture is associated with temperature rises in inelastic zones near the crack edge. To gain more insight into this phenomenon,...

Nonlinear Response of Ground Supported Slabs
Refined techniques for the structural analysis of ground supported concrete slabs are presented. The principles of limit state design in terms of strength and serviceability are implemented....

Flexural and Extensional Motion of Moderately Thick Laminated Composite Plates
A general theory of flexural and extensional motion of moderately thick laminated composite plates is developed for linear elastic materials and small deformation. Interlaminar stresses...

Atomistic Simulation and Visualization of Thermal Disorder in a Crystalline Ice
The process of thermal disorder in crystalline ice has been simulated using a molecular dynamics model. The thermal disorder is induced by raising the temperature of the system. The molecular...

Simulations of Gravity-Driven Channel Flows of Disks Floating on the Flowing Viscous Fluid
A two-dimensional discrete element model has been applied to the problem of gravity-driven channel flow of uniform disks. The particles are floating on the surface of the flowing fluid...

Stabilization of Collapsible Alluvial Soil Using Dynamic Compaction
The effectiveness of dynamic compaction for improving collapsible soils was evaluated under field conditions using full scale load tests performed on 1.5 m square footings. Tests were...

Three-Dimensional Nonlinear Study of Piles and Simplified Models
In a recent study the authors examined the effect of the nonlinear behavior of soil on the axial and lateral response of one or two piles due to monotonic and cyclic pseudodynamic loading...

 

 

 

 

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