Engineering › Mechanical Engineering

Structural Integrity and Reliability Analysis

Works Count: 28788

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Description

This cluster of papers focuses on the modeling, risk analysis, and reliability assessment of corrosion in steel pipelines, particularly addressing pitting corrosion. It covers topics such as the effect of corrosion on pipeline integrity, reliability assessment methodology for pipelines with active corrosion defects, and the development of new models for predicting corrosion damage. The research also delves into the impact of corrosion on offshore and marine steel structures, as well as the use of advanced techniques such as finite element analysis and fuzzy inference systems for pipeline risk assessment.

Keywords

Corrosion; Pipeline; Risk Analysis; Reliability Assessment; Pitting Corrosion; Steel Structures; Offshore; Failure Pressure; Finite Element Analysis; Natural Gas

On the vibrations of an elastic plate in contact with water

1920-11-03

Horace Lamb

In connection with the problem of submarine signalling the question arose as to the pitch of the fundamental note of a thin circular plate or diaphragm of given material and … In connection with the problem of submarine signalling the question arose as to the pitch of the fundamental note of a thin circular plate or diaphragm of given material and dimensions, filling an aperture in a plane wall which is in contact on one side with an otherwise unlimited mass of water. The following investigation, which includes some extensions, is now published by permission. To simplify the theoretical treatment, the wall is supposed to be rigid, and the plate to be firmly clamped to it along the circumference, although these conditions are only imperfectly fulfilled in practice. Even with these limitations an exact solution is out of the question, but a sufficient approximation can be obtained by Rayleigh’s method of an assumed type, which gives good results if the type be suitably chosen. It is known that the frequency estimated in this way will be somewhat too high.

Probability distribution of pitting corrosion depth and rate in underground pipelines: A Monte Carlo study

2009-05-23

F. Caleyo , J.C. Velázquez , A. Valor +1 more

A study on the reliability assessment methodology for pipelines with active corrosion defects

2002-01-01

F. Caleyo , Jorge Luis González-Velázquez , J.M. Hallen

Artificial neural network models for predicting condition of offshore oil and gas pipelines

2014-05-22

Mohammed S. El-Abbasy , Ahmed Senouci , Tarek Zayed +2 more

Fatigue Reliability for Offshore Structures

1984-10-01

Paul H. Wirsching

The results of a four‐year project, sponsored by the American Petroleum Institute, to investigate the fatigue design process in the welded joints of steel offshore structures are summarized. Fatigue damage … The results of a four‐year project, sponsored by the American Petroleum Institute, to investigate the fatigue design process in the welded joints of steel offshore structures are summarized. Fatigue damage expressions were formulated. A simple analytical expression for damage based on the rainflow method of cycle counting in a wide band process was constructed. Because fatigue design factors have significant uncertainty, a reliability approach, using the lognormal format, was developed. The performance of Miner's rule was characterized statistically, as was modeling error associated with the process of computing fatigue stresses in a joint from oceanographic data. Procedures of S‐N data analysis were developed, and characteristic S‐N data sets were presented. The reliability format was employed to construct a design rule for low period structures. It is argued that the new design rule is more discriminating in that it can account for service life, wave spectra, water depth, platform dynamics, as well as the location of the joint in the structure.

Pipeline Risk Management Manual

2004-01-01

W. Kent Muhlbauer

Laboratory tests and numerical simulations of barge impact on circular reinforced concrete piers

2012-09-28

Yanyan Sha , Hong Hao

THE CORPUSCLE PROBLEM. SECOND MEMOIR CASE OF ELLIPSOIDAL CORPUSCLES

1926-07-01

S. D. Wicksell

Journal Article THE CORPUSCLE PROBLEM. SECOND MEMOIR CASE OF ELLIPSOIDAL CORPUSCLES Get access S. D. WICKSELL S. D. WICKSELL Lund Search for other works by this author on: Oxford Academic … Journal Article THE CORPUSCLE PROBLEM. SECOND MEMOIR CASE OF ELLIPSOIDAL CORPUSCLES Get access S. D. WICKSELL S. D. WICKSELL Lund Search for other works by this author on: Oxford Academic Google Scholar Biometrika, Volume 18, Issue 1-2, July 1926, Pages 151–172, https://doi.org/10.1093/biomet/18.1-2.151 Published: 01 July 1926

Probabilistic estimation of remaining life of a pipeline in the presence of active corrosion defects

1998-04-01

M. Ahammed

Influence of environmental factors on corrosion of ship structures in marine atmosphere

2009-05-28

C. Guedes Soares , Y. Garbatov , A. Zayed +1 more

Calculation of reliability function and remaining useful life for a Markov failure time process

2005-07-13

Dragan Banjević , Andrew Jardine

Calculation of reliability function and remaining useful life for a Markov failure time process Get access D. Banjevic, D. Banjevic Department of Mechanical and Industrial Engineering, University of Toronto, 5 … Calculation of reliability function and remaining useful life for a Markov failure time process Get access D. Banjevic, D. Banjevic Department of Mechanical and Industrial Engineering, University of Toronto, 5 King's College Road, Toronto, Ontario, Canada M5S 3G8 **Email: [email protected] Search for other works by this author on: Oxford Academic Google Scholar A. K. S. Jardine A. K. S. Jardine Department of Mechanical and Industrial Engineering, University of Toronto, 5 King's College Road, Toronto, Ontario, Canada M5S 3G8 Search for other works by this author on: Oxford Academic Google Scholar IMA Journal of Management Mathematics, Volume 17, Issue 2, April 2006, Pages 115–130, https://doi.org/10.1093/imaman/dpi029 Published: 01 April 2006

On the resistance to penetration of stiffened plates, Part II: Numerical analysis

2008-11-22

Hagbart S. Alsos , Jo̸rgen Amdahl , Odd Sture Hopperstad

Best practice for the assessment of defects in pipelines – Corrosion

2007-02-06

Andrew Cosham , Phil Hopkins , Kenneth A. Macdonald

A method of quantitative risk assessment for transmission pipeline carrying natural gas

2005-05-25

Young-Do Jo , Bum Jong Ahn

Pipeline failures in corrosive environments – A conceptual analysis of trends and effects

2015-04-09

Chinedu I. Ossai , Brian Boswell , Ian J. Davies

Comparison study on qualitative and quantitative risk assessment methods for urban natural gas pipeline network

2011-02-27

Zhizhong Han , Wenguo Weng

Nonlinear finite element analysis of barge collision with a single bridge pier

2012-04-22

Yanyan Sha , Hong Hao

Effectiveness of using fibre-reinforced polymer composites for underwater steel pipeline repairs

2013-01-03

Md Shamsuddoha , Md Mainul Islam , Thiru Aravinthan +2 more

Reliability of maintained, corrosion protected plates subjected to non-linear corrosion and compressive loads

1999-07-01

C. Guedes Soares , Y. Garbatov

Tensile strength assessment of corroded small scale specimens

2014-05-06

Y. Garbatov , C. Guedes Soares , Joško Parunov +1 more

Review of pipeline integrity management practices

2010-05-12

Hossam A. Kishawy , Hossam A. Gabbar

Probabilistic corrosion rate estimation model for longitudinal strength members of bulk carriers

1998-11-01

Jeom Kee Paik , Sung Kyu Kim , Sang-Kon Lee

The effect of corrosion defects on the burst pressure of pipelines

2005-03-19

Theodoro Antoun Netto , U. S. Ferraz , Segen F. Estefen

Reliability of pipelines with corrosion defects

2007-11-27

A.P. Teixeira , C. Guedes Soares , Theodoro Antoun Netto +1 more

Assessment on failure pressure of high strength pipeline with corrosion defects

2013-04-09

Bin Ma , Jian Shuai , Dexu Liu +1 more

Fatigue reliability analysis of the jacket support structure for offshore wind turbine considering the effect of corrosion and inspection

2012-06-20

Wenbin Dong , Torgeir Moan , Zhen Gao

Developing a new fuzzy inference system for pipeline risk assessment

2012-11-27

Ali Ashraf Jamshidi , Abdolreza Yazdani–Chamzini , Siamak Haji Yakhchali +1 more

Estimation of failure probability of oil and gas transmission pipelines by fuzzy fault tree analysis

2005-02-17

Yuhua Dong , Datao Yu

Effect of pitting corrosion on local strength of hold frames of bulk carriers (1st report)

2004-09-01

Tatsuro Nakai , Hisao Matsushita , Norio Yamamoto +1 more

The effect of corrosion on the structural reliability of steel offshore structures

2005-09-06

Robert E. Melchers

DIRECTIONAL STABILITY OF AUTOMATICALLY STEERED BODIES

1922-05-01

Nicholas Minorsky

Risk assessment in maritime transportation

2001-12-01

C. Guedes Soares , A.P. Teixeira

Loads for use in the design of ships and offshore structures

2013-11-14

Spyros Hirdaris , Wei Bai , Daniele Dessi +7 more

A Method For Determining Corrosion Rates From Linear Polarization Data

1958-09-01

Milton R. Stern

A method for determining corrosion rate from electrochemical polarization data obtained in the region of the corrosion potential is described. The technique has foundation in theory, is supported by experimental … A method for determining corrosion rate from electrochemical polarization data obtained in the region of the corrosion potential is described. The technique has foundation in theory, is supported by experimental evidence, and appears to have widespread application. The advantages and limitations of the method are discussed. It would appear that the use of linear polarization measurements can supply valuable information regarding: (1.) Studies of the effect of environment variables on corrosion rate. These include changes in composition, velocity, and temperature, (2.) Evaluations of inhibitors in controlling corrosion, (3.) Comparison of the corrosion rates of various alloys of similar composition in a given environment, and (4.) Determination of changes in corrosion rate with time, including studies of underground structures as well as materials in aqueous solutions. It also may be possible to use this method in evaluating the condition of coatings in service which cannot be inspected by visual methods. 2.3.5

The effect of dents in pipelines—guidance in the pipeline defect assessment manual

2003-12-30

Andrew Cosham , Phil Hopkins

The strength characteristics of aluminum honeycomb sandwich panels

1999-11-01

Jeom Kee Paik , Anil K. Thayamballi , Gyu-Sung Kim

THEORY OF ELASTIC THIN SHELLS

1962-08-01

A.L. Gol'denveizer

Bridge Damage and Repair Costs from Hurricane Katrina

2007-12-28

Jamie E. Padgett , Reginald DesRoches , Bryant G. Nielson +4 more

Hurricane Katrina caused significant damage to the transportation system in the Gulf Coast region. The overall cost to repair or replace the bridges damaged during the hurricane is estimated at … Hurricane Katrina caused significant damage to the transportation system in the Gulf Coast region. The overall cost to repair or replace the bridges damaged during the hurricane is estimated at over $1 billion. This paper describes the observed damage patterns to bridges, including damage attributed to storm surge, wind, impact from debris, scour, and water inundation, as well as examples of repair measures used to quickly restore functionality to the bridges and transportation system. Using the data from the 44 bridges that were damaged, relationships between storm surge elevation, damage level, and repair costs are developed. The analysis reveals that, in general, regions with higher storm surge had more damage, although there were several instances where this was not the case, primarily due to damage resulting from debris impact. It is also shown that a highly nonlinear relationship exists between the normalized repair cost and the damage state. The paper concludes with a brief discussion on the efficacy of using typical seismic design details for mitigating the effects of hurricane loads, and potential design considerations for bridge structures in vulnerable coastal regions.

A Study on the Degradation of Coating and Corrosion of Ship’s Hull Based on the Probabilistic Approach

1998-08-01

Norio Yamamoto , K. Ikegami

In this paper, phenomena of general corrosion are assumed to be the results of three sequential processes: degradation of paint coatings, generation of pitting point, and progress of pitting point. … In this paper, phenomena of general corrosion are assumed to be the results of three sequential processes: degradation of paint coatings, generation of pitting point, and progress of pitting point. A consistent corrosion model is proposed which can evaluate the generation and progress of corrosion quantitatively by introducing appropriate simple probabilistic models for each process. This probabilistic corrosion model can be identified by analyzing existing data collected from plate thickness measurements. Applicability of this model is verified by comparing the estimated behavior of corrosion progress and dispersion with those from actual data.

Effect of corrosion models on the time-dependent reliability of steel plated elements

2002-12-03

Shengping Qin , Weicheng Cui

Review and application of ship collision and grounding analysis procedures

2010-06-17

Preben Terndrup Pedersen

A Mathematical Basis for the Random Decrement Vibration Signature Analysis Technique

1982-04-01

J. Kim Vandiver , A. B. Dunwoody , R.B. Campbell +1 more

The mathematical basis for the Random Decrement Technique of vibration signature analysis is established. The general relationship between the autocorrelation function of a random process and the Randomdec signature is … The mathematical basis for the Random Decrement Technique of vibration signature analysis is established. The general relationship between the autocorrelation function of a random process and the Randomdec signature is derived. For the particular case of a linear time invariant system excited by a zero-mean, stationary, Gaussian random process, a Randomdec signature of the output is shown to be proportional to the auto-correlation of the output. Example Randomdec signatures are computed from acceleration response time histories from an offshore platform.

A review on pipeline corrosion, in-line inspection (ILI), and corrosion growth rate models

2016-11-22

Hamid Reza Vanaei , A. Eslami , Afolabi Egbewande

A Review of Effective Plating for Use in the Analysis of Stiffened Plating in Bending and Compression

1975-03-01

Douglas Faulkner

The review is divided into three main parts. The first is very brief and covers shear lag effects associated with stiffener plate bending. Part 2 concerns the behavior of unstiffened … The review is divided into three main parts. The first is very brief and covers shear lag effects associated with stiffener plate bending. Part 2 concerns the behavior of unstiffened long plate elements (a ≥ b) in compression, which is referred to as effective ‘width’ effects. The concepts considered are maximum plate strength and how this is affected by initial distortion, normal pressure, and boundary conditions; stress distribution in plate elements before failure; and the "reduced effective width" concept for defining plate element stiffness, as required for use in stiffened-plate collapse theories. Final appraisal leads to recommendations based upon the equation advanced ten years ago for mean expected stress-free plate strength: σm/σο = (2/β) — (1/β2). It is used by the British Navy and has been recommended in Europe for box-girder bridge design. Part 3 concerns welding stress effects, and a critical strain theory is advanced for describing welded plate behavior in compression. The review has of course assessed appropriate test data, including a reappraisal from three full-scale destroyer tests. Some emphasis has been placed upon the statistical characteristics of the data, in order that this may help establish structural strength distributions for probabilistic approaches to ductile structural reliability. The paper ends with a brief historical review drawn from aeronautical, civil engineering and naval architectural sources, and a listing of the more important effective width formulas.

Handbook of experimental stress analysis

1950-11-01

E.W. Hammer

A review on pipeline integrity management utilizing in-line inspection data

2018-05-22

Mingjiang Xie , Zhigang Tian

Risk evaluation of oil and natural gas pipelines due to natural hazards using fuzzy fault tree analysis

2019-04-11

Pavanaditya Badida , Yakesh Balasubramaniam , J. Jayapriya

Remaining Useful Life Estimation of Structure Systems Under the Influence of Multiple Causes: Subsea Pipelines as a Case Study

2019-08-05

Baoping Cai , Xiaoyan Shao , Liu Y +4 more

In dynamic complex environments, the degradation of structure systems is generally caused not by a single factor but by multiple ones, and the process is subject to a high level … In dynamic complex environments, the degradation of structure systems is generally caused not by a single factor but by multiple ones, and the process is subject to a high level of uncertainty. This article contributes a hybrid physics-model-based and data-driven remaining useful life (RUL) estimation methodology of structure systems considering the influence of multiple causes by using dynamic Bayesian networks (DBNs). The structure model and parameter model of DBNs for the degradation process caused by a single factor are established on the basis of theoretical or empirical physical models, thereby solving the problem of insufficient data. An RUL estimation model is subsequently established by integrating these degradation process models. The RUL value is obtained from the time difference between the detection point and predicted failure point, which is determined using the failure threshold of performance. The sensor data and expert knowledge can be input into the estimation model to update the RUL value whenever necessary. The subsea pipelines in offshore oil and gas subsea production systems are adopted to demonstrate the proposed methodology. The degradation processes with fatigue, corrosion, sand erosion, and internal waves are modeled using DBNs, and the RUL is estimated using a DBN-based RUL methodology.

An overview of maintenance management strategies for corroded steel structures in extreme marine environments

2020-02-06

Muntazir Abbas , Mahmood Shafiee

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An Analytical Study of Ship Deficiencies Identified During Port State Control: A Case Study of Kocaeli Port

2025-06-25

Uğur Akbaş , Ozan Hikmet Arıcan | Journal of Marine and Engineering Technology

Maritime transport remains a fundamental pillar of international trade, and ship inspections are essential to ensuring navigational safety and environmental protection. Port State Control (PSC) is a regulatory mechanism used … Maritime transport remains a fundamental pillar of international trade, and ship inspections are essential to ensuring navigational safety and environmental protection. Port State Control (PSC) is a regulatory mechanism used to examine foreign-flagged vessels to verify their compliance with international maritime conventions. Among the various elements assessed during PSC inspections, a ship’s type and age significantly influence the likelihood of identifying deficiencies. This study focuses on the PSC inspection data collected from the ports of Kocaeli, a major maritime hub in Turkey. The objective is to analyze how vessel age and type correlate with the frequency and severity of recorded deficiencies. Using the Analysis of Variance (ANOVA) statistical method, the research compares deficiency rates across various ship categories and age brackets. Additionally, the study examines inspection frequency regarding the risk profiles of different vessels. Findings indicate that ships aged 12 years or older exhibit a higher number of deficiencies, with general cargo vessels being particularly prone to non-compliance. While the overall effectiveness of PSC inspections is evident, the study highlights the need for improved efficiency in inspection protocols. It is suggested that risk assessment models be refined to include more detailed criteria and that inspection strategies be adapted based on vessel characteristics. Furthermore, enhancing pre-inspection preparedness by ship operators may contribute to better compliance outcomes. The study aims to support safer maritime operations by offering targeted recommendations for optimizing PSC inspections at Kocaeli Port.

Experimental and numerical study on a universal distorted model design strategy for the box girder with the double bottom under the bending moment considering the ultimate strength and buckling collapse modes, Part 1: scaling strategy

2025-06-24

Hongyang Ma , Lingge Zhang , Tetsuo Okada +5 more | Ocean Engineering

Undrained horizontal-torsional resistance of subsea foldable mudmats

2025-06-23

Xiaolong Li , Xiaowei Feng , Liqiang Sun +1 more | Ocean Engineering

Intelligent Prediction of the Internal Corrosion Rate in Submarine Oil and Gas Pipelines Based on KPCA-ISSA-MKSVR Combined Strategy

2025-06-20

Hongye Jiang , Peng-zheng Lei , You-lv Li +3 more | Journal of Pipeline Systems Engineering and Practice

A comprehensive failure analysis of corroded high-strength steel pipelines under seismic-induced landslide

2025-06-19

Wei Liu , Peng Zhang , Siming Liu +3 more | Journal of Constructional Steel Research

Investigation of dynamic responses of various bent structures in offshore high-pile wharfs subjected to impact loading

2025-06-19

Chenyu Hou , Xubing Xu , Yonglai Zheng +2 more | Ocean Engineering

Experimental investigation on damage behavior and residual axial capacity of circular steel tube for offshore wind turbine jacket foundation subjected to lateral impact

2025-06-18

Yong Chen , Ronghua Zhu , Cailiang Zhang +5 more | Construction and Building Materials

Capacity of corroded steel beam-column substructure in column loss: Test, parametric analysis and design-oriented method

2025-06-17

Lijun Cai , Ping Tan , Jing‐Zhou Zhang +1 more | Construction and Building Materials

Novel approach of collapse pressure prediction for subsea pipelines with realistic corrosion defects

2025-06-17

Savanna Cristina Medeiros D’Aguiar , Renato de Siqueira Motta , Adriano Dayvson Marques Ferreira +1 more | Ocean Engineering

Probabilistic model for state assessment of offshore pipeline with anti-corrosion coating based on Wiener process and Bayesian network

2025-06-16

Xiwen Xie , Haiying Li , Chenggang Yin +1 more | Ocean Engineering

Finite Element Analysis on the Effect of Corrosion Exposure Time on the Buckling and Post-Buckling Behavior of Aircraft Stiffened Panels

2025-06-16

Saiaf Bin Rayhan , Shahrukh Khan , Syed Abdullah Al Mamun | Advances in transdisciplinary engineering

Stiffened panels are the primary load-carrying structures of an aircraft, widely used in the wing and fuselage sections for their lightweight design and enhanced structural stability with minimum weight cost. … Stiffened panels are the primary load-carrying structures of an aircraft, widely used in the wing and fuselage sections for their lightweight design and enhanced structural stability with minimum weight cost. However, these panels, predominantly made of aluminum alloy, can suffer from aging due to fatigue loading, corrosion, aerodynamic loading, etc., eventually degrading the material’s mechanical properties. The present work investigates the linear buckling (critical buckling) and post-buckling ultimate collapse load of an aircraft stiffened panel made of aluminum alloy 2024-T3, considering artificial corrosion exfoliation adopting commercial FE code ANSYS. It was found that only after 2 hours of corrosion exfoliation did the critical buckling and ultimate collapse load of the panel decrease by 6% and 4.35%, respectively. However, the highest drop in critical buckling of 25.33% and ultimate collapse load of 19.1% is found after 96 hours of corrosion exfoliation. A second investigation is carried out based on eight cases where the varied artificial aging is considered for the panel and the stiffeners. Numerical outcomes revealed that despite varying the corrosion duration, corresponding critical buckling and ultimate collapse load values do not differ significantly. The summary of the work indicates that corrosion exfoliation strongly influences the critical buckling and ultimate collapse load of the aircraft’s stiffened panels.

Full-scale experimental and numerical assessment of honeycomb vessel anti-collision gate

2025-06-16

Huizhong Zhang , Qian Zhang , Runzhi Lu +4 more | Ocean Engineering

Fatigue crack propagation pattern analysis of horizontal-axis tidal energy turbine

2025-06-14

Xiaocui Chen , Song Guo , Chengbin Du +2 more | Ocean Engineering

Strengthening design method of randomly corroded steel tubes subjected to axial compressive loading

2025-06-13

Zhiwei Shan , Wenjie Li , Tong Guo +3 more | Structures

Linear Average Yield Criterion and Its Application in Failure Pressure Evaluation of Defect-Free Pipelines

2025-06-13

Jianhong Ji , Sun Mingming , Jie Zhang | Technologies

Analysis of internal pressure failure is a crucial aspect of assessing pipeline integrity. By combining the unified yield criterion with actual burst data, the applicability of different yield criteria is … Analysis of internal pressure failure is a crucial aspect of assessing pipeline integrity. By combining the unified yield criterion with actual burst data, the applicability of different yield criteria is elucidated. Based on the distribution law of burst data, a linear average yield criterion is proposed. The results indicate that the yield function of the linear average yield criterion is a linear expression, and the yield path forms an equilateral non-equiangular inscribed dodecagon within the von Mises circle. For the evaluation of failure pressure, this yield criterion exhibits the highest level of applicability, followed by the ASSY and Tresca yield theories. The linear average yield criterion limits the failure pressure prediction error, with low strain-hardening (0 ≤ n ≤ 0.06) to within 3%.

Study on the Load-Bearing Behavior of Underground Steel Structures with Pitting Corrosion Damage

2025-06-13

Wei Wang , Junping Shi | Applied Sciences

In order to study the effect of random pitting defects on the bearing capacity of steel structures in underground engineering, four kinds of samples containing random pitting defects were made … In order to study the effect of random pitting defects on the bearing capacity of steel structures in underground engineering, four kinds of samples containing random pitting defects were made and simulated damage tests were carried out. The effects of pitting damage on the failure mode, bearing capacity and deformation capacity of the components were analyzed by compression testing and three-point bending testing of the complete samples and four kinds of prefabricated pitting damage samples. The results show that the existence of pitting damage will change the bending failure mode of the samples, and the four types of pitting damage will reduce the compressive bearing capacity and bending bearing capacity of the members to varying degrees, among which the inclined pitting damage specimens have the highest reduction in compressive and bending bearing capacity. The four types of pitting damage also reduce the compressive deformation ability of the specimen, but the influence of different damage distribution types on the bending deformation ability is very different.

Residual ultimate strength of stiffened panels with different flexibility coefficients in marine structures at elevated temperatures

2025-06-13

Shuwei Yan , Han Fang , Hongxiang Xue +1 more | Ships and Offshore Structures

Empirical formulation for assessing the ultimate strength of ship hull plates under geometrical imperfection

2025-06-05

Muhamad Imam Firdaus , Ristiyanto Adiputra , Aditya Rio Prabowo | Integritet i vek konstrukcija

The field of ship structure analysis has witnessed considerable progress marked by the proliferation of analytical formulas proposed by researchers as efficient tools for predicting the strength of ship structures, … The field of ship structure analysis has witnessed considerable progress marked by the proliferation of analytical formulas proposed by researchers as efficient tools for predicting the strength of ship structures, particularly those involving plate configurations. However, a comprehensive review of the existing literature underscores a notable gap - existing studies predominantly focus on a singular aspect, namely plate slenderness when predicting ultimate strength. In a bid to address this limitation and account for the myriad uncertainties inherent in plate structure calculations, this study adopts a nuanced approach. Numerical methods are employed, systematically varying geometric parameters such as b/t ratio and yield strength, alongside introducing initial imperfections in the form of local plate imperfection modes. Further enhancing the analysis complexity, amplitude severity is modified across amplitude, ranging from 25 % to 300 %, encompassing scenarios of slight, average, and severe severity. Leveraging the capabilities of ANSYS® APDL and MATLAB®, an extensive dataset comprising 126 data points is collected and processed. These efforts result in the derivation of a formula tailored for calculating plate normalised strength. Implemented as a quadratic equation, the derived formula demonstrates a remarkable capacity to accurately predict data points characterised by significant deviations. Notably, its performance is gauged against numerical results, revealing a minimal standard error of approximately 0.023. The close alignment observed when comparing the derived formula with recent previous formulas further substantiates its potential as a viable solution for estimating normalised strength, particularly in scenarios influenced by geometric modifications and initial imperfections.

Ultimate capacity assessment of corroded compression steel components based on machine learning

2025-06-02

Zongxing Zhang , Tianbao Zhou , Jihong Ye +3 more | Structures

Tree-based Machine Learning Models for Predicting the Maximum Depth of Corrosion Defects Based on Historical In-line Inspection Data

2025-06-01

Eyad Abdullah Alshaye , Atif Saeed Alzahrani , Abduljabar Q. Alsayoud +1 more | Journal of Pipeline Science and Engineering

An Update of PIANC’s WG233 Effort to Develop a Manual for the Inspection, Maintenance, and Repair of Waterfront Facilities

2025-05-29

Thomas Spencer , Daniel P. O’Connor | Ports 2022

Methods for Performing AASHTO Vessel Collision Risk Analyses for Bridges over Navigable Waterways

2025-05-29

M. A. Winters , Michael Knott | Ports 2022