A5008804495- Composite Structure Analysis and Optimization
- Structural Load-Bearing Analysis
- Structural Integrity and Reliability Analysis
- Structural Analysis and Optimization
- Structural Health Monitoring Techniques
- Fatigue and fracture mechanics
- Structural Behavior of Reinforced Concrete
- Engineering Structural Analysis Methods
- Structural Engineering and Vibration Analysis
- Laser and Thermal Forming Techniques
- Ship Hydrodynamics and Maneuverability
- Structural Analysis of Composite Materials
- Nuclear and radioactivity studies
- Risk and Safety Analysis
- Fluid Dynamics Simulations and Interactions
- Marine and Offshore Engineering Studies
- Mechanical Engineering and Vibrations Research
- Mechanical stress and fatigue analysis
- Probabilistic and Robust Engineering Design
- Mechanical and Thermal Properties Analysis
DNV (Norway)
2011-2024
University of Oslo
2006-2012
This paper presents a benchmark study on the ultimate limit state analysis of stiffened plate structure subjected to uniaxial compressive loads, initiated and coordinated by ISSC 2022 technical committee III.1-Ultimate Strength. The overall objective is establish predictions buckling collapse strength structures loads. Participants were asked perform for full-scale reference experiment steel utilizing any combination class rules, guidelines, numerical approaches simulation procedures as they...
Committee Mandate Concern for the collapse behaviour of ships and offshore structures their structural components under ultimate conditions. Uncertainties in strength assessment shall be highlighted. Attention given to influence response load combinations including accidents; fabrication imperfections; life-cycle effects; user approach. Consideration practical application methods. Introduction Determining ship involves ability predict measure component, sub-system, system maximum capacity...
Abstract The maritime industry is increasingly utilizing high-strength steels for lightweight ship design. While enhanced yield strength advantageous, these retain the same Young’s modulus as lower steel grades posing challenges in designing slender structures, particularly concerning structural buckling strength. In longitudinal stiffened transverse effects, though less significant than stresses, can be difficult to predict. Addressing this, regulatory framework verifying of transversely...
International Association of Classification Societies (IACS) is responsible for many the ship strengthrules including both generally applicable Unified Strength Requirements (UR-S) and other rules specific various types. For historical reasons, there have been different structural strength requirements regarding hatch covers, coamings, related structures in IACS UR S21, S21A, CSR (Common Structural Rules bulk carriers oil tankers). This paper presents work carried out to improve thereby...
A study to document the Ultimate Limit State (ULS) safety margins built into DNV GL rules for Bulk and Tanker is presented. Critical structural members were identified together with load level at which these start develop permanent buckling sets exceeding normal fabrication tolerances. These critical levels are then compared local ULS rule strength limits in order have a measure hull redundancy. Non-linear finite element (NFLE) analyses performed estimate response different focus areas...