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...
A Comparison of Performances of Various Frictional Base Isolation Systems
The results of a comparative study of the performances of several frictional base isolation devices including the Sliding-Joint, the French System, and the Resilient-Friction isolators...
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...
A Study of the Precision of Optimum Design Using Suboptimization
As the scale of structures becomes larger and their configuration become more complicated, the design variables and constraint conditions increase, and numerical calculation of the optimum...
Two-Level Optimization of Nonlinear Structures
This paper presents several optimization design problems and their applications to both cable structures and geometrically nonlinear braced-rib arches. The sum of squares of residuals...
Total Optimization of Truss Considering Shape, Material and Sizing Variables
A total optimum design method is developed for truss structures in which the shape of the structure, discrete material kinds and cross-sectional areas of member elements are optimized...
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...
Shape Optimization of Joints of Steel-Framed Diaphragm Wall
Shape optimization system of the joints of the steel-framed diaphragm wall (abbreviated as steel diaphragm wall) is discussed. The optimization problem is formulated as the minimum cost...
Modeling of Plate and Shell Structures with
Finite element models for the analysis of plates and shells, based on the concept of hp-extension are presented. A methodology for the control and analysis of the error of the finite element...
p-Version of FEM and Shape Optimal Design
This paper presents some research results obtained recently in using the p-version of the finite element method (FEM) for shape optimal design. It is shown that the p-version 2-D elastic...
Stress Computations for Nearly Incompressible Materials
Computation of stresses by the finite element method (FEM) in the case of nearly incompressible isotropic elastic materials is discussed. It is shown that for moderately high Poisson's...
Buckling of Tapered Columns by P-Version of F.E.M.
The local, distortional, overall, and interactive buckling of tapered, thin-walled members under axial compression and flexure are considered by using three-dimensional models based on...
Computers in Civil Engineering Education at Clemson University
This paper describes the current use of computers in the civil engineering undergraduate education of students at Clemson Univrsity, the land-grant university of the State of South Carolina....
CADD for the Structural Engineer
There is a need for educating structural engineers on Computer Aided Design and Drafting (CADD) programs. Many structural engineering firms use a combination of in-house and commercially...
Early Integration of Computational Methods in the Engineering Curriculum
Practicing civil engineers are continuing to take greater advantage of computers to solve structural problems of increasing complexity. To prepare for practice, engineering students must...
A Knowledge Based System for Deriving Qualitative Seismic Behavior
The analysis and design of complex or critical facilities, such as tall buildings, nuclear power plants, offshore structures, or cable stayed bridges requires that these facilities be...
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