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Application of the p-version Finite Element Method to Stress Singularity Field Problems
Finite Element Method Welding Crack Problem Stress Singularity Stress Intensity Factor
2009/5/12
The stress singularity exists at the crack tip and the weld toe. The stress singularities are expressed by a term of −1/2 power of distance r from the singular point for the crack tip, and ͨ...
Stress Concentration Factors in Bilge Knuckle Part
Williams’ solution Stress Concentration Factor Bulk Carrier Container Ship Tanker Structure Finite Element Analysis
2009/5/12
The stress concentration factor in complex structure is important in the estimation of fatigue life and strength of the structure where nominal stresses are available in design stage. Extensive finite...
A Study of Thermal Stress Based on Metabolic and Radiation Heat for Improvement of Working Environment in Exposed Spaces(Part 1 Aspects of summer heat and storage of body heat)
Thermal Stress Metabolic Heat Radiation Heat Exposed Spaces
2009/4/30
As a recent tendency to take high interest in the environmental problem, the time has come to reconsider the present working conditions. The thermal environment at an exposed working place in a hot se...
Effect of Grooving on Static Strength of Fillet Welded Joint for Ship Structure under Compressive Stress Condition applied by bending moment (2nd Report)
Fillet Welded Joint Corrosion Grooving Local Strength of Ship Structure Static Strength
2009/4/29
Corrosion of structural members of ships is one of the main problems for ship safety.
In this report effect of grooving on static strength of corroded fillet welded joints for ship structure is inves...
Study on Residual Stress of Cylinder Generated by Quenching
axisymmetric cylinder quenching phase transformation strain residual stress finite element method
2009/4/29
The authors have established an accurate good analysis technique for presuming the experimental value of the stress and the deformation caused by phase transformation through the finite element method...
A Study of Thermal Stress Based on Metabolic and Radiation Heat for Improvement of Working Environment in Exposed Spaces
Thermal Stress Metabolic Radiation Heat Working Environment Exposed Spaces
2009/4/29
In a hot season with skylight, the storage of body heat during an operation at an exposed working place causes the deteriorating work efficiency and the physiological defect. Therefore, it is necessa...
Constraint Loss Correction for Assessment of Brittle Fracture Initiation in Residual Stress Field Based on the Weibull Stress Criterion
Constraint Loss Correction Brittle Fracture Initiation Residual Stress Field Weibull Stress Criterion
2009/4/24
This paper studies the method for estimating the welding residual stress effect on brittle fracture of structural steel based on the Weibull stress criterion. Using wide plate (WP) specimens with and ...
Cyclic stress-strain relation under high cycle fatigue process-Elastoplastic constitutive model incorporating cyclic damage-
Cyclic stress-strain cycle fatigue process-Elastoplastic constitutive model cyclic damage
2009/4/24
In order to simulate mechanical fatigue phenomena represented by cyclic plasticity such as ratcheting and hysterisis loop, the plastic stretching within a yield surface has to be described, whilst the...
Method for estimation of fracture toughness from machined-notch specimen based on the Weibull stress criterion
Kenji Sakano Daisuke Watanabe
2009/3/30
A method for the estimation of the CTOD fracture toughness δc from toughness results of bend specimens with a machined notch has been studied. The Weibull stress criterion is adopted as a brittle frac...
Study on Residual Stress in Cylinders Generated by Quenching
Cylinders Generated stress distribution
2009/3/30
The factor that influences the residual stress distribution generated by a quenching process was clarified and an analysis technique for estimating the residual stress distribution was established acc...
Method of Estimation for Tensile Residual Stress Effects on Brittle Fracture Initiation
brittle fracture Tensile Residual
2009/3/27
This paper studies the method for estimating the residual stress effect on brittle fracture of structural steel based on the Weibull stress criterion. Using 4-point bend specimens, tensile residual st...
Influence of Residual Stress and Fracture Toughness on Brittle Crack Propagation Behavior along Welded Joint
plate thickness
2009/3/27
Recently, plate thickness in mega container ships has reached the very heavy thickness range, exceeding 70mm, not common in shipbuilding. The most important requirement for ensuring structural
Prediction of Displacement and Stress of Stiffened Plate using Neural Network
Neural Network FEM
2009/3/27
At the design stage of the large-scale steel structure, displacement and stress are generally analyzed by using the FEM.
Relation between Transient Stress and Quenching Crack in Cylinders Generated by Quenching
Transient Stress Quenching Crack
2009/3/27
The correlation between the quenching crack and the tensile stress was clarified and the quantitative evaluation method of the quenching crack generated by quenching was established. First of all, the...
The Buckling Strength of Initially Imperfect Shells under Various Stress Condition
BucklingBuckling Stress Condition
2009/3/26
It is well known that the buckling strength of spherical shell and cylindrical shell is reduced by initial shape imperfections and the reduction rate is much influenced by stress conditions. This redu...
