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...
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...
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...
Prediction of Transverse Shear Stresses for Various Isoparametric Thick and Thin Shell Elements
Utilizing three-dimensional equilibrium equations (often referred to as an Equilibrium Method (EM)), an estimation of transverse stresses for fiber-reinforced laminated doubly curved shells...
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...
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....
Nonlinear Probabilistic FEM for Composite Shells
A probabilistic finite element analysis procedure for laminated composite shells has been developed. A total Lagrangian finite element formulation employing a degenerated 3-D laminated...
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...
Nonlinearities and Imperfections in Creep Stability
The effects of material and geometric nonlinearities and imperfections on the 'safe-load-limit' and the 'safe-service-period' of structures...
Minimum Required Lateral Stiffness of Structures
In this paper an approximate method is presented to calculate the minimum lateral stiffness required to insure global structural stability. The technique is based on setting the critical...
Large Displacement Analysis for Structural Stability Problems
In this paper, two widely different methods of large displacement analyses are considered. The first is a discrete element analysis which is particularly effective for line structures...
Limit and Post-Limit Behavior of Space Trusses
A numerical technique for the nonlinear analysis of space trusses taking into consideration such factors as load-eccentricity, initial crookedness of the member and nonlinear stress-strain...
Applicability of Three-Parameter Power Model to Structural Analysis of Flexibly Jointed Frames
In this paper, the applicability of three-parameter power model to the practical use of design analysis for plane frame with semi-rigid connections is discussed. A three-parameter power...
Axial Force-Moment Interaction in System Reliability
For rigid-plastic structures with random resistances and loads, a technique is presented that identifies critical failure modes considering the effect of axial force-moment interaction...
An Efficient Algorithm for Second-Order Finite Element Reliability Analysis
A new, efficient algorithm for computing the principal curvatures of the limit-state surface at the design point, which are employed in second-order reliability analysis, is described....
Return to search