Erland Johnson

2024

Performance analysis of two generations of heaving point absorber WECs in farms of hexagon-shaped array layouts

Fatigue of mooring lines in wave energy parks

2023

A comparison of two wave energy converters’ power performance and mooring fatigue characteristics – One WEC vs many WECs in a wave park with interaction effects

2023

Consequence analyses of collision-damaged ships - damage stability, structural adequacy and oil spills

Predicting failure of dynamic subsea cables by electrical insulation breakdown due to water treeing

Evaluation of an electro-mechanical model of vented water tree inception in polyethylene insulation

Analysis of how the conditions in a collision scenario affect the size of a struck vessel’s damage opening and ultimate strength

Crack propagation in dynamic power cables

A comparison of the performance and characteristics of two generations Waves4Power WaveEL wave energy converters

Performance analysis of two generations of heaving point absorber WECs in farms of hexagon-shaped array layouts

2022

Mechanical reliability analysis of flexible power cables for marine energy

2021

Experimental and numerical investigation of a taut-moored wave energy converter: a validation of simulated mooring line forces

2021

Mooring forces in a floating point-absorbing WEC system – a comparison between full-scale measurements and numerical simulations

Mechanical reliability of flexible power cables for marine energy

Wave energy converters in array configurations—Influence of interaction effects on the power performance and fatigue of mooring lines

2020

Ultimate limit state analysis of a double-hull tanker subjected to biaxial bending in intact and collision-damaged conditions

Design of mooring solutions and array systems for point absorbing wave energy devices – methodology and application

Analysis of interaction effects between WECs in four types of wave farms

Comparison between full-scale measurements and numerical simulations of mooring forces in a floating point-absorbing wec system

Models for design and fatigue analysis of dynamic power cables for wave energy converters

A methodology for design and fatigue analysis of power cables for wave energy converters

Experimental and numerical investigation of a taut-moored wave energy converter—a validation of simulated buoy motions

Analysis of the ultimate strength of corroded ships involved in collision accidents and subjected to biaxial bending

Comparison of mooring solutions and array systems for point absorbing wave energy devices

2018

Parametric study of the dynamic motions and mechanical characteristics of power cables for wave energy converters

2018

Reduction in ultimate strength capacity of corroded ships involved in collision accidents

Cost and weight of composite ship structures - a parametric study based on DNV rules

Shock analysis of a stern ramp using dynamic design analysis method

Performance assessment of the crashworthiness of corroded ship hulls

Biofouling on mooring lines and power cables used in wave energy converter systems - analysis of fatigue life and energy performance

Structural fire integrity testing of lightweight multiple core sandwich structures

The influence of biofouling on power capture and the fatigue life of mooring lines and power cables used in wave energy converters

Characterization of non-crimp fabric laminates: loss of accuracy due to strain measuring techniques

A comparison of coupled and de-coupled simulation procedures for the fatigue analysis of WEC mooring lines

Parametric study of the mechanical characteristics of power cables under dynamic motions

Analysis of mooring lines for wave energy converters – a comparison of de-coupled and coupled simulation procedures

Modelling approaches for reliability estimations of fibre-reinforced plastic laminates

A comparative study of fatigue assessments of container ship structures using various direct calculation approaches

Influence of mechanical and probabilistic models on the reliability estimates of fibre-reinforced cross-ply laminates

Study on the possibility of increasing the maximum allowable stresses in fibre-reinforced plastics

Effects of matrix cracking on the estimation of operational limits of FRP laminates

A comparative study of fatigue assessment of a container ship structure using various direct calculation approaches

Survivability analysis of a struck ship with damage opening - influence from model and material properties uncertainties

A method for assessment of the survival time of a ship damaged by collision

Optimization of composite maritime structures-effects of uncertainties on design criteria and limits

Optimization of composite maritime structures - effects of uncertainties on design criteria limits

A method for assessment of the survival time of a ship damaged by collision

Analysis of a struck ship with damage opening - influence from model and material properties uncertainties

Examples of selected research efforts made on characteristics of material, ship side structure response and ship survivability in ship collisions

Experimental and numerical investigation of bulb impact with a ship side-shell structure

Experimental verification of finite element failure criteria with respect to strain state and element size

An experimental and numerical study of the effects of length scale and strain state on the necking and fracture behaviours in sheet metals

Holistic assessment of ship survivability and risk after damage

Stress and Fatigue Analysis of a Bow-Door Arm

Lateral spårstabilitet -- slutrapport

A model for short crack propagation in polycrystalline materials

Fatigue crack initiation based on simulations on the mesoscopic scale

Anisotropic damage modeling based on mesomechanical simulations