Short answer

Prioritize structural reinforcement and safety measures for the after-end of marine vessels due to its higher susceptibility to critical damage during bow impacts.

Field
Modelling
Source
Curved and Layered Structures (2018)
Method
Nonlinear Finite Element Method (NLFEM) simulation.
Evidence
Strong effect

Finite element analysis reveals that the midship section of a marine structure exhibits the highest resistance to damage from bow penetration during ship-ship collisions. This modelling research insight is drawn from a 2018 study published in Curved and Layered Structures. Using Nonlinear finite element method (nlfem) simulation., researchers explored how this design variable affects real-world outcomes. The key design takeaway: Prioritize structural reinforcement and safety measures for the after-end of marine vessels due to its higher susceptibility to critical damage during bow impacts.

Study
ModellingHigh ImpactStrong effect

Midship sections offer greatest resistance to bow penetration in ship collisions

Finite element analysis reveals that the midship section of a marine structure exhibits the highest resistance to damage from bow penetration during ship-ship collisions.

Curved and Layered Structures · 2018

01

Key Findings

  • 01The midsection of the marine structure demonstrated the highest resistance to side collision.
  • 02Breaching of the inner shell was avoided in the fore-end impact scenario.
  • 03Critical damage to cargo was observed during bow penetration to the after-end region.
02

Application

Design takeaway

Prioritize structural reinforcement and safety measures for the after-end of marine vessels due to its higher susceptibility to critical damage during bow impacts.

How to apply

When designing or assessing the safety of marine structures, utilize advanced simulation techniques to predict failure modes under various impact conditions and optimize structural design accordingly.

Project actions

  • 01Use simulation software to test different design modifications for improved impact resistance.
  • 02Clearly define the scope and assumptions of your simulation model.
03

Method & Evidence

AimTo assess the failure behavior of marine-steel structures subjected to bow penetration during ship-ship collisions, varying impact location and velocity.
MethodNonlinear Finite Element Method (NLFEM) simulation.
ProcedureSimulations were conducted using a designed collision scenario, modeling bow penetration into the side structures of a marine vessel at the fore-end, midsection, and after-end. The input velocity of the striking bow was varied to observe its effect on structural fractures.
ContextMarine engineering, ship design, structural analysis.

Variables

IV["Impact location (fore-end, midsection, after-end)","Impact velocity"]
DV["Structural resistance","Fracture patterns","Inner shell breach","Cargo damage"]
CV["Material properties of the marine structure","Geometry of the striking bow","Type of marine structure"]
04

Strengths & Limitations

Strengths

  • +Utilizes a sophisticated simulation method (NLFEM) for detailed analysis.
  • +Investigates multiple impact locations and velocities for a comprehensive assessment.

Limitations

Real-world collisions involve many unpredictable factors not easily replicated in simulations, such as the exact angle of impact, material fatigue, and environmental conditions.

Reliability & validity

The reliability of the findings depends on the accuracy of the NLFEM model and the input parameters. Validity is enhanced by the systematic variation of impact locations and velocities, but direct experimental validation would further strengthen it.

Think critically

How might the findings change if the striking vessel's bow shape or material properties were significantly different?

05

Design Principles

"Structural integrity varies significantly across different sections of a vessel; design for impact resistance must account for these localized vulnerabilities."

Understanding the structural response of marine vessels to impact is crucial for enhancing safety and preventing catastrophic failures. This insight, derived from advanced simulation, informs design decisions for hull reinforcement and collision avoidance systems.

06

What This Means for Your Design

Computer models show that the middle of a ship is the toughest part when another ship hits it, but the back part is more likely to get damaged and hurt the cargo.

How to use in your project

  • 1.Reference the simulation methodology and findings to justify design choices or analyze potential failure points in your own design project.
07

Add to My Project

08

Quick Cite

Paragraph starter

The study by Prabowo et al. (2018) utilized nonlinear finite element analysis to demonstrate that the midship section of marine structures exhibits superior resistance to bow penetration during collisions compared to the fore and after-ends. Their findings highlight the after-end as particularly vulnerable, leading to critical cargo damage, and suggest reinforcement strategies to mitigate such risks, providing valuable insights for structural design and safety assessments in marine engineering.

09

Source

Curved and Layered Structures

On the failure behaviour to striking bow penetration of impacted marine-steel structures

journal · 2018

View source

Questions About This Research

What does the research say about midship sections offer greatest resistance to bow penetration in ship collisions?
Prioritize structural reinforcement and safety measures for the after-end of marine vessels due to its higher susceptibility to critical damage during bow impacts. Evidence: Curved and Layered Structures (2018).
Why does "Midship sections offer greatest resistance to bow penetration in ship collisions" matter for design?
Understanding the structural response of marine vessels to impact is crucial for enhancing safety and preventing catastrophic failures. This insight, derived from advanced simulation, informs design decisions for hull reinforcement and collision avoidance systems.
How can designers apply this research?
Prioritize structural reinforcement and safety measures for the after-end of marine vessels due to its higher susceptibility to critical damage during bow impacts.
What were the main findings?
The midsection of the marine structure demonstrated the highest resistance to side collision.. Breaching of the inner shell was avoided in the fore-end impact scenario.. Critical damage to cargo was observed during bow penetration to the after-end region.
What research method was used?
Nonlinear Finite Element Method (NLFEM) simulation..
How strong is the evidence?
Evidence strength is rated Strong effect, based on a 2018 journal from Curved and Layered Structures.
What should I do differently in my next project?
When designing or assessing the safety of marine structures, utilize advanced simulation techniques to predict failure modes under various impact conditions and optimize structural design accordingly.
What are the limitations?
The analysis is based on idealized impact scenarios and may not fully capture the complexities of real-world collisions, such as irregular hull shapes or varying material properties.