Parallel Real-Time Dynamic Simulation of Robots
To achieve real-time dynamic simulation of a robot manipulator on a vector/parallel machine, two types of parallelism are investigated. Techniques to enhance the vectorization of the dynamics...
An Efficient Parallel-Vector Equation Solver
An efficient parallel-vector equation solver is developed for supercomputers. The matrix is stored in a combined column and row orientation style which improves the vector performance...
Improved Finite Element Modeling with Q-MESH and PARA?LIB Parallel Processing
Distributed-memory multiprocessing, based on the Inmos transputer, provides orders-of-magnitude reductions in computing time at the lowest cost per MFLOPS. The PARA_LIB runtime library...
A Visualization Toolkit for Fluid Mechanics
The increasing complexity of both experimental and computational models in fluid mechanics requires innovative techniques for analysis and comprehension. Visual methods have been shown...
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...
AI Development Environment for the Maintenance of Existing Buildings
A specific structural typology is considered with a deep expertise available on the subject. The 'state of health' of a single building is assessed by an expert...
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...
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...
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,...
Perplexing Issues in Concrete Softening
We explore some of the proposed techniques for modeling 'softening' via the constitutive model. We seek a framework which is both theoretically sound and physically...
Computational Damage Modeling for Timber Reliability Analysis
Damage models for creep-rupture are used in conjunction with stochastic load models to evaluate lifetime failure probabilities of timber members and systems. This paper examines damage...
Computation of Wind Flow Around a Building
A numerical investigation of wind flow around a three-dimensional building is presented by solving weakly compressible flow equations, together with Smogrinsky's subgrid-scale...
A Computer Simulation of the Blood Flow at the Aortic Bifurcation with Flexible Walls
To understand the possible role of hemodynamics in the atherogenesis, especially the effect of the flexibility of the arteries, a two-dimensional numerical model for the blood flow at...
Computational Mechanics: Constitutive Modeling and Performance Analysis
The availability of supercomputers in the 80's has brought about a revolution in the analysis and design of complex structures. Parallel with this, computers have played a...
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...
Cumulants of the Nonlinear Combination of Independent Random Variables
A random variable of interest is often the sum of linear or nonlinear combinations of many independent random variables. In calculating the statistics of this random sum, advantages of...
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