Dynamic Soil-Structure Interaction by the Boundary Element Method: A Comparison Study
A comparison study of three Boundary Element Method approaches is attempted on the basis of a typical three-dimensional, dynamic soil-structure interaction problem. The vertical transient...
Solving Finite Element Structural Dynamic Problems on Small Computers Using Semi-Explicit Methods
Numerical techniques based on the partial decomposition of a coefficient matrix, are developed for structural dynamic problems. Improved iterative techniques are discussed which could...
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...
Response of Eccentrically Braced Tall Buildings
The inelastic dynamic response aspects of tall steel buildings with eccentric K-bracing and eccentric X-bracing systems are examined, when subjected to factored El-Centro and computer...
Measuring Dynamic Occupant Loads by Microcomputer
Present building codes regard live loads caused by human movement as deterministic; values are based upon experience and tests run in 1912, 1922, and 1932. An experimental project to statistically...
Managing Software for More Efficient Design
Efficient design of structural members with microcomputers requires a large variety of analysis, design, and check programs. The management of these programs can best be accomplished with...
Symbols for Controlling CAD Software
The use of graphic symbols for controlling complex CAD software is discussed. Emphasis is put on the advantages of icons over text. Guidelines for developing and adapting graphic symbols...
Conversion of WECAN to a Minicomputer Environment
The increasing use of Virtual Memory Systems (VMS) and their incorporation in a range of computers from large mainframe to micros indicates the desirability of converting WECAN to run...
Interactive Design of Reinforced Concrete Foundations
A new, highly graphical foundation design program, FOUNDATION-3D, provides the designer with a variety of easy to use foundation design tools in a flexible interactive environment. It...
Experience With Workstation-Based Design of Steel Structures
An example is presented of an interactive graphical structural analysis and design system suitable for individual-user workstations. The experience of a corporate engineering services...
The Electric Power Research Institute's TLWorkstation?
The initial version of the Electric Power Research Institute's TLworkstation software system is described. The factors influencing the software design and the programming...
Nonlinear Structural Analysis on an Engineering Workstation
The objective of this paper is to demonstrate the feasibility of solving nonlinear structural analysis problems on a desktop engineering workstation. The paper summarizes the main features...
Self-Adapting CAD Software
An approach for enhancing CAD and other interactive software is described. The goals of the approach are bifold, to customize complex programs which employ computer graphics, and to improve...
An Interactive Shell for Batch Processors
Many programs have been and are currently being developed in which the input data files or associated databases must be developed independently of the main program. This paper describes...
Structural and Architectural Maintenance Management by Micro-computer
When a new Senior Vice-President for University College, the nonmedical portion of the University of Alabama at Birmingham, was appointed in 1984, one of the problems encountered by the...
Seismic Structural Optimization and Computer Programs
A generic system has been developed for the geometric design of highway retaining walls. Merging the three-dimensional coordinate geometry capabilities of the roadway design system (RDS)...
How To Design Highway Retaining Walls?A Practical Application of CADD
The recent work developed at the University of Missouri-Rolla (UMR) including optimization algorithms and two computer programs, ODSEWS-2D-II and ODRESB-3D are discussed. Several numerical...
Engineering Optimization Via Genetic Algorithm
The application of a genetic algorithm (GA) to the optimal design of a ten member, plane truss is considered. Genetic algorithms are search procedures based upon the mechanics of natural...
Design Improvements Using Finite Elements and Optimizing with Approximate Functions
A design optimization module has been added to the finite element program ANSYS, designed to aid the engineer in reaching an improved or optimum design. The numerical technique employed...
Incorporating Uncertainty in a Dynamic Structural Analysis
A methodology has been developed and exercised for taking into account parametric uncertainties in a structural dynamics analysis and providing an approximation of the probability of response....
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