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Last updated on 2024年7月2日

How can simulation validation help you identify problems in marine systems?

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Simulation validation and verification are essential steps in developing and testing marine systems, such as propulsion, power generation, and control systems. They can help you identify and correct problems in the design, performance, and safety of your systems before they become costly or catastrophic. In this article, you will learn what simulation validation and verification are, why they are important, and how they can help you improve your marine systems.

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KHASHAYAR TORKIPOUR

UNLIMITED MASTER MARINER (CLASS 1)
Sushilkumar Sonar

Lead R&D Verification Engineer @ Ansys | CFD Expert
Justin Ormandy

Maritime Specialist AMARSURV

1 What are simulation validation and verification?

Simulation validation and verification are two related but distinct processes that aim to ensure the accuracy and reliability of your simulation models and results. Validation is the process of checking whether your simulation model represents the real system adequately for the intended purpose. Verification is the process of checking whether your simulation model is implemented correctly and free of errors. Both validation and verification require comparing your simulation outputs with empirical data, analytical solutions, or other sources of reference.

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KHASHAYAR TORKIPOUR

UNLIMITED MASTER MARINER (CLASS 1)
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Within an integrated training model, simulation helps prepare for or remediate live training, or enables the controlled execution of skills-related tasks in mentally rigorous settings prior to execution under live conditions. It uniquely permits visualization of tasks in context-based conditions that may not be physically accomplished safely due to training environment limitations or excessive activity risk. Through immersive exposure to scenarios in the context of training and readiness events

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Justin Ormandy

Maritime Specialist AMARSURV
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Simulation has improved to the point of exceeding real world training and research. Emergency and crisis scenarios can be simulated to ensure that training events are realistic. The frequency of Emergency Simulation ensures a robust level of research and development.

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Sushilkumar Sonar

Lead R&D Verification Engineer @ Ansys | CFD Expert
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Simulation validation confirms accuracy by comparing outcomes with real-world data, while verification ensures correct model implementation, eliminating errors in the simulation code. Both processes are crucial for establishing the trustworthiness and effectiveness of simulation results across diverse fields.

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2 Why are simulation validation and verification important?

Simulation validation and verification are important because they can help you increase your confidence in your simulation models and results, and avoid potential pitfalls and risks. Without validation and verification, you may end up with simulation models that are inaccurate, incomplete, or inconsistent, and that may lead to wrong decisions, poor performance, or unsafe conditions. For example, if your simulation model of a marine propulsion system does not account for the effects of cavitation, turbulence, or friction, you may overestimate its efficiency, power, or durability, and end up with a system that fails to meet the requirements or expectations.

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Sushilkumar Sonar

Lead R&D Verification Engineer @ Ansys | CFD Expert
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Simulation validation and verification are crucial to ensure reliable, accurate, and trustworthy results. Validation confirms the simulation accurately represents the real-world system, building confidence in outcomes. Verification checks the correctness of the simulation implementation, reducing the risk of errors. These processes are essential for informed decision-making, preventing potentially serious consequences. Early error identification is cost-effective, compliance with regulations is ensured, and ongoing model refinement supports better decisions and transparent communication, fostering responsible simulation use across diverse industries.

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3 How can simulation validation help you identify problems in marine systems?

Simulation validation can help you identify problems in marine systems by comparing your simulation outputs with the real system behavior or performance. This can reveal any discrepancies or deviations that may indicate errors, flaws, or limitations in your simulation model or assumptions. For example, if your simulation output of a marine power generation system shows a lower voltage or frequency than the real system, you may need to adjust your simulation model parameters, inputs, or equations to reflect the actual system conditions or dynamics.

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Sushilkumar Sonar

Lead R&D Verification Engineer @ Ansys | CFD Expert
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Simulation validation in marine systems involves comparing simulated outputs with real-world data, revealing discrepancies that indicate potential problems. By ensuring accuracy in ship maneuvering, wave interactions, and propulsion systems, validation helps identify issues and refine the model. This iterative process enhances understanding, contributing to improved design, safety, and operational efficiency in maritime applications.

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4 How can simulation verification help you identify problems in marine systems?

Simulation verification can help you identify problems in marine systems by comparing your simulation outputs with other sources of reference, such as analytical solutions, benchmark models, or previous simulations. This can reveal any errors or inconsistencies that may arise from your simulation implementation, code, or software. For example, if your simulation output of a marine control system shows a different response or stability than an analytical solution or a benchmark model, you may need to fix your simulation code, software settings, or numerical methods to ensure the correctness and robustness of your simulation.

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5 What are some methods and tools for simulation validation and verification?

Various methods and tools exist for simulation validation and verification, depending on the type, complexity, and purpose of your simulation model and system. Sensitivity analysis can help you identify the most influential factors, the range of uncertainty, and the robustness of your simulation model. Calibration can improve the accuracy and realism of your simulation model. Face validation can check the plausibility and reasonableness of your simulation model and outputs. Statistical analysis can quantify the degree of agreement or disagreement between your simulation and reality. Code review can ensure the quality and consistency of your simulation implementation. Debugging can ensure the functionality and reliability of your simulation. And cross-validation can verify the correctness and validity of your simulation by comparing its outputs with other sources of reference.

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6 How can you improve your simulation validation and verification skills?

Simulation validation and verification require practice, experience, and knowledge to improve. To do this, you should learn the principles, methods, and tools of simulation validation and verification, and apply them to your models and systems. Additionally, review the literature and standards of simulation validation and verification in your field of interest. You can also seek feedback from experts or mentors with experience in this area. Furthermore, test, evaluate, and improve your simulation models regularly. Furthermore, document your processes and results. Lastly, participate in courses or workshops to exchange ideas with other practitioners or enthusiasts.

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Sushilkumar Sonar

Lead R&D Verification Engineer @ Ansys | CFD Expert
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Enhancing simulation validation and verification skills involves continuous learning through courses and workshops, active project engagement, seeking feedback, staying informed about advancements, attending conferences, and joining professional communities. Applying a systematic and critical approach to reviewing models, seeking mentorship, and hands-on project involvement contribute to a comprehensive skill set, ensuring effective application in real-world scenarios.

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7 Here’s what else to consider

This is a space to share examples, stories, or insights that don’t fit into any of the previous sections. What else would you like to add?

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How can simulation validation help you identify problems in marine systems?

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1 What are simulation validation and verification?

2 Why are simulation validation and verification important?

3 How can simulation validation help you identify problems in marine systems?

4 How can simulation verification help you identify problems in marine systems?

5 What are some methods and tools for simulation validation and verification?

6 How can you improve your simulation validation and verification skills?

7 Here’s what else to consider

Marine Engineering

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How can simulation validation help you identify problems in marine systems?

1

2

3

4

5

6

7

1 What are simulation validation and verification?

2 Why are simulation validation and verification important?

3 How can simulation validation help you identify problems in marine systems?

4 How can simulation verification help you identify problems in marine systems?

5 What are some methods and tools for simulation validation and verification?

6 How can you improve your simulation validation and verification skills?

7 Here’s what else to consider

Marine Engineering

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