Major Advances in Finite Element Model Technology
The evolution of finite elements is traced from the viewpoint of finite element shape functions and element-related techniques. Particular emphasis is placed on the isoparametric element,...
Numerical Methods for Solution of Finite Element Systems
A personal summary of solution methods for the static and dynamic analysis of finite element systems, which have been developed during the past 30 years, will be given. Numerical techniques...
Structural Computing in Engineering Practice
Since its emergence some thirty years ago, finite element technology has penetrated a significant part of the structural engineering profession. It serves as a most graphic illustration...
Extensions of Finite Element Technology for Automated Design
The finite element method, by itself, is an efficient analysis tool with which we can judge the quality of a proposed design. However, by coupling finite element analysis with numerical...
Getting Finite Element Programs to Reason About Their Analysis Assumptions
Despite the spectacular improvements of finite element analysis programs, there has been no corresponding progress in the development of physical modeling and interpretation aids. The...
Analysis of the Non-Planar Response of a Cantilever, with the Aid of Computerized Symbolic Manipulation
The nonlinear differential equations governing the static deformations of a cantilever with a tip mass are formulated and analyzed with the aid of computerized symbolic manipulation. The...
Representation of Strategic Choices in Structural Modeling
A major concern in structural modeling is the proper choice of tools to achieve stated objectives. Problem statements in structural analysis and design are usually made in fairly abstract...
Idealized Models in Engineering Analysis
This paper examines the roles of idealization and discretization in engineering analysis and design. Physical idealizations as commonly used in analysis and design are non-analytic in...
Object-Oriented Design of Finite Element Programs
This paper describes an implementation of the finite element method based on computational abstractions of both mathematical and engineering concepts. In contrast with conventional approaches,...
Experiments on Active Structural Control Under Seismic Loads
Two control systems, an active tendon system and an active mass damper system are selected for study for possible real structural implementation. Presented in this paper are simulation...
Optimal Location of Active Controllers Subjected to Seismic Excitation
In the application of structural control to seismic structures certain locations are advantageous for placement of the actuators. These locations reduce the structure's response...
Frequency Response Design of Controlled Structures
The installation of optimal control systems has been shown to be effective in reducing the vibration responses of structures. In addition to the effectiveness, there are many factors that...
A Family of Concurrent Algorithms for Transient Finite Element Solutions
We derive a family of methods for solving the equations of motion arising in structural dynamics which makes effective use of the architecture of concurrent computers. The algorithm is...
A Portable Parallel Equation Solver for Finite-Element Based Structural Analysis-Synthesis Codes
Substructuring formulation using adjoint variable approach has been developed for design sensitivity analysis and optimizations of large scale structures. In this paper, a global-local...
Neural Network Approaches in Structural Mechanics Computations
The neural computing paradigm has not been extensively researched in terms of its applicability to a wide variety of structural engineering problems. At an intellectual level this research...
Computational Strategies for Finite Element Simulations on Supercomputers with 4 to 65,536 Processors
We present a general approach to the design of next generation finite element software. We describe several parallel computational strategies for both implicit and explicit computations,...
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...
Parallel Computations for Automated Finite Element Modeling
This paper discusses initial efforts to combine an automatic mesh generator and element by element solution approaches to produce efficient parallel computational procedures on adaptively,...
Applications of Fuzzy Mathematical Programming in Structural Optimization
In this paper, several applications of fuzzy mathematical programming in structural optimization are reviewed and discussed. In addition, a formulation of optimum earthquake resistant...
Nonlinear Structural Analysis by Complementary Energy Minimization
New analysis methods for truss and continuous beam considering material nonlinearity are developed on the basis of the principle of minimum complementary energy and mathematical programming...
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