Block-based Solvers for Engineering Applications
This paper compares the performance of standard linear system solvers, LINPACK, widely used in engineering applications, and PARALIN (a block-based package for linear systems) on the Alliant...
A Substructuring Algorithm for Analysis and Optimization of Large Structures on Parallel Machines
An efficient substructuring algorithm is presented for analysis and optimization of frame structures on parallel machines. The underlying concept is to pre-process the input data in such...
Application of Artificial Neural Networks to Composite Ply Micromechanics
Artificial neural networks can provide improved computational efficiency relative to existing methods when algorithmic description of functional relationships is either totally unavailable...
COFDEX: Composite Floor Design Expert
A knowledge-based system, called COFDEX, is presented for integrated minimum cost or minimum weight design of composite floors in multistory buildings. Developed in the expert system programming...
A Neural Network Environment for Intelligent CAD
A framework is presented for development of an environment for creating intelligent systems for computer-aided design of structures by integrating neural network models of learning and...
Interaction of Elastic Waves with Axisymmetric Cavities in a Half Space: A Combined Finite Element-Boundary Integral Approach
A hybrid numerical method is presented to investigate the interaction of elastic waves with axisymmetric cavities on the surface of a half space. In this method the near field which consists...
Finite Element Studies of Block Shear for Structural Tees
Structural tees are commonly used as tension members. As a first step toward testing the adequacy of the current design codes for net section and block shear failures near the connections...
A New Finite Element Formulation of the Generalized Laminated Plate Theory
The Generalized Laminate Plate Theory (GLPT) predicts stress distributions in laminated composite plates with accuracy comparable to a full three-dimensional analysis. The original implementation...
Developments in the Use of Cubic B-Splines in the Compound Strip Method
A general cubic B-spline compound strip method (BCSM) has been developed to analyze thin plates, stiffened plates, folded plates, and box-girders. In the BCSM a problem is first partially...
This note summarizes recent progress in developing h-p adaptive finite element methods for the numerical solution of the Navier-Stokes equations. A brief review of the h-p strategies and...
Uses of the hp-Version of the Finite Element Method for Ensuring the Reliability of Engineering Data
There is a growing interest in ensuring the reliability and accuracy of engineering data computed by the finite element method. Various adaptive and feedback schemes, which involve the...
Singularity Elements for the p-Version of the FEM
Singularity elements have been widely researched and successfully used with the h-version for fracture mechanics problems. This paper gives the results of numerical experiments with conventional...
p-Version Three Dimensional Curved Shell Element for Geometrically Nonlinear Behavior
This paper presents a p-version hierarchical geometrically nonlinear formulation based on the total Lagrangian approach for a nine node three dimensional curved shell element. The element...
Dynamic Analysis of a Beam by the Stochastic Finite Element Method
The statistics on the natural frequencies and mode shapes of an uncertain structure are investigated. The uncertain structural properties are described by a continuous random process in...
Stochastic Response Analysis of Nonlinear Plane Trusses with Spatial Variability
This study considers responses of geometrically and materially nonlinear plane truss structures with spatially uncertain system parameters, subjected to random excitations. A stochastic...
Structural Response Statistics by Boundary Elements
In this paper a boundary element method for problems of random vibration of continuous structures is presented. The method reduces the effect of the mesh size on the accuracy of the results....
Stochastic Finite Element-Based Reliability Analysis of Dynamically Loaded Frames
This paper presents the use of the Stochastic Finite Element Method (SFEM) for reliability analysis of steel frames subjected to dynamic loading, in the context of modal superposition....
A Class of Asymptotic Annihilation Algorithms for Structural Dynamics
A class of time integration algorithms is presented that asymptotically annihilate high frequency response while introducing little dissipation in the low frequency regime. The algorithms...
Explicit Integration Schemes in Structural Dynamics
Based on the recursive explicit form of Newmark ?-? method developed by Zienkiewicz for displacements, similar recursive expressions for velocities and accelerations are developed. General...
Advanced Software for Thin Plate Analysis Using Unequally Spaced Cubic B-Splines
A computer program for analysis of thin plates is presented. This package improves upon previous analysis programs by incorporating a proven analytical method in an advanced user interface,...
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