Properties in Sensitivity Coefficients of Framed Structures
This paper presents a special relationship among sensitivity coefficients of static response, natural frequency and mode. The relationship is that the sum of sensitivity coefficients in...
The Influence of Preform on the Vibration Mode of a Thin Plate
In this paper, an algorithm is developed for the calculation of the vibration mode of a preformed thin plate. The principal governing equations are derived by using the large-deflection...
Optimal Discretization of Random Fields for SFEM
A new method for discretization of random fields (representation in terms of random variables) is introduced based on the principle of optimal linear estimation theory. The method is more...
Pseudo-Simulation Method for Stochastic Problems
A new numerical method for problems of stochastic mechanics and other areas involving a small number of random parameters is presented. It is analogous to the Monte-Carlo simulation method...
A Coordinate Reduction Technique With Mass Correction for Dynamic Analysis of Structural Systems
A more accurate technique which can be applied for reducing the order of system matrices when employing the finite element method (FEM) is presented. Unlike traditional reduction techniques,...
An Efficient Algorithm for Second-Order Finite Element Reliability Analysis
A new, efficient algorithm for computing the principal curvatures of the limit-state surface at the design point, which are employed in second-order reliability analysis, is described....
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...
Actively Controlled Optimum Structural Design
This paper deals with the investigation of the number and location of actuators and sensors on the optimum structure and control design of space structures. The optimization problem is...
Finite Element Computations on a Linear Systolic Array
This paper describes a linear systolic architecture designed specifically for finite element computations. Examples of various sparse matrix and vector operations are given. Applications...
Vibration Analysis Using a Parallel Lanczos Method
A parallel eigenvalue solution algorithm, based on the Lanczos method, has been developed, implemented on a Flexible Computer FLEX/32 multi-processor, and applied to an example structural...
A Modal Coupling Procedure for Structural Dynamics
A method is presented for synthesizing the real modes of substructures to obtain the complex modes of the combined structure. These complex modes properly include the nonclassical damping...
The Lanczos Method in Structural Dynamics
The solution of the equations of motion often results in the solution of an eigenvalue problem in which the system matrices are large. Traditionally, the solution of this problem has employed...
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