1,125 Result(s)
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Article
Elasto-plastic analysis for a finite thickness rectangular plate containing a through-thickness central crack
The objective of this work is to present a three-dimensional analysis of the elasto-plastic response of a center-cracked rectangular panel by using an alternate method, the method of lines (MOL). The problem o...
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Article
A simplification and supplement to formula KQ of ASTM E399-81 three point bending
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Article
The fracture toughness KQ of four point bending specimen
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Article
The relation among cracks, intensity, and toughness
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Article
Analysis of a crack-tip dual zone model
An analytic model is proposed for an opening mode of crack face displacement with crack-tip dual zones, i.e. an elastic core zone plus a plastic strip zone. A presence of such dual zones in the vicinity of the...
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Chapter and Conference Paper
Shape Optimization of Continuum with Crack
The present paper studies the problem of shape optimization from the viewpoint of structural design philosophy based on durability and damage tolerance. Initial cracks are assumed to exist or to occur at an ea...
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Chapter
Perturbation solution for near-tip fields of cracks growing in elastic perfectly-plastic compressible materials
With ε = 1/2 — v (v — Poisson’s ratio) as a small parameter, perturbation expansion is made, based upon the generally accepted solution for near-tip fields of cracks growing in elastic perfectly-plastic incompres...
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Article
Perturbation solution for near-tip fields of cracks growing in elastic perfectly-plastic compressible materials
With ε = 1/2 − ν (ν - Poisson's ratio) as a small parameter, perturbation expansion is made, based upon the generally accepted solution for near-tip fields of cracks growing in elastic perfectly-plastic incomp...
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Article
Determination of the ductile plastic damage variable for the annealed 30CrMnSi
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Chapter
A Boundary Element Technique on the Solution of Cylindrical Shell Bending Problems
The object of this paper is to investigate the possibility of utilizing fundamental solutions in series form along with the plate singularity to implement the boundary element technique in non-shallow cylindri...
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Article
Weld magnification factors for semi-elliptical surface cracks in fillet welded T-butt joint models
The weld magnification factor method has been widely used in the determination of the stress intensity factor (SIF) for weld-toe cracks in welded structural components. Weld magnification factors M ...
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Article
An iterative learning scheme for motion control of robots using neural networks: A case study
In this paper, an iterative learning controller using neural networks has been studied for the motion control of robotic manipulators. Simulations of a two-link robot have demonstrated that the proposed contro...
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Chapter
Development of MIS For Automobile Repair Industry
This paper is intended to give a general analysis on the production model and the management model applied to the automobile repair industry. Meanwhile, an auto-repair MIS system model and an implementation mo...
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Article
The study of LIGA technique at NSRL
The activity of LIGA technique was started in the fall of 1993 at National Synchrotron Radiation Laboratory (NSRL), some primary results have been obtained. Micro gearwheels were produced by deep-etch lithogra...
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Article
Nonlinear static and dynamic analysis for laminated, annular, spherical caps of moderate thickness
Based on Timoshenko-Mindlin kinematic hypothesis, the shallow shell theory is extended to include the transverse shear deformation for the nonlinear axisymmetric dynamic analysis of the symmetric cross-ply sha...
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Article
New method to evaluate fracture toughness of case-hardened steel
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Article
Effect of dual-scale microstructure on the toughness of laminar zirconia composites
Numerical study by the finite element method (FEM) is performed to investigate the effect of dual-scale microstructure on the toughness of laminar zirconia composite. The computation is based on the micromecha...
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Article
The study of LIGA technique at NSRL
The activity of LIGA technique was started in the fall of 1993 at National Synchrotron Radiation Laboratory (NSRL), some primary results have been obtained. Micro gearwheels were produced by deep-etch lithogr...
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Article
Techniques for optimization via simulation: an experimental study on an (s,S) inventory system
Various methods have been proposed to conduct optimization via discrete-event simulation. Prevalent among these are gradient-based algorithms, and more recently, so-called retrospective approaches that determi...
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Article
Optimization of discrete event systems via simultaneous perturbation stochastic approximation
We investigate the use of simultaneous perturbation stochastic approximation for the optimization of discrete-event systems via simulation. Application of stochastic approximation to simulation optimization is...
