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Ship Design and Engineering

Simulation and Analysis

FINITE ELEMENT METHOD

Utilizing state-of-the-art Finite Element Method (FEM) tools, EGNA has the capability to address and resolve a wide range of structural design challenges. This includes both global and local structural analysis, encompassing linear and non-linear problems, applicable to both steady-state and time-dependent scenarios. The application extends to irregularly shaped objects constructed from diverse materials with intricate boundary conditions.

In many cases, Classification Societies require FEM calculations as part of the approval process for intricate and innovative designs. Furthermore, we incorporate FEM in the design phase to proactively identify and rectify problem areas, thereby enhancing and optimizing the design prior to reaching a stage where dependencies on other components impede modifications. The ultimate outcome is the delivery of superior structural solutions and a reduction in product development time, resulting in cost savings. The areas typically subjected to analysis include:

  • Global structural strength

  • Local structure and buckling

  • Fatigue analysis

  • Evaluation of noise and vibration

CFD

CFD is a potent engineering tool used to simulate various types of fluid behavior, providing detailed insights into fluid flow characteristics, encompassing values for velocities, pressures, temperatures, and other parameters.

The accuracy of CFD has seen remarkable advancements in recent years. CFD serves to significantly reduce the time required for design and development, offering more detailed information than physical experiments and swiftly simulating a broad spectrum of flow conditions. It can simultaneously model different fluids, such as water and air, while considering viscosity and turbulence to mimic real flow conditions. Moreover, CFD can perform time-domain calculations, covering dynamic pressure loads, seakeeping analysis, slamming loads, and more. Our application of CFD extends to various areas of analysis, including:

  • Calm water resistance

  • Hull form optimization

  • Aerodynamic calculations

MODEL TESTING

At EGNA, we understand that the heart of a successful ship design lies in rigorous testing and validation. Model testing is a critical phase in the ship design process, where physical scale models of vessels are subjected to various hydrodynamic and operational tests. This process ensures that the final design meets performance, stability, and safety standards.

Our Model Testing Services

We offer a comprehensive suite of model testing services, designed to fine-tune your vessel's design, optimize its performance, and enhance its safety. Our services include:

  • Hydrodynamic Testing: We conduct tests to analyze the vessel's hydrodynamic properties, such as resistance, propulsion, and seakeeping. This data is crucial for optimizing the hull form and ensuring efficient propulsion.

  • Stability and Seakeeping Tests: The stability and seakeeping tests provide valuable insights into a vessel's behavior in various sea conditions. This information is vital for designing vessels that are stable, comfortable, and safe.

  • Maneuvering Tests: Maneuverability is a key aspect of ship design. Our model tests assess the vessel's ability to navigate in different scenarios, ensuring it meets operational requirements.

  • Cavitation and Vibration Analysis: Cavitation and vibration can have a significant impact on a vessel's performance and durability. We analyze these factors to prevent potential issues.

  • Scale Model Building: Our experts construct accurate scale models that replicate the vessel's design, allowing for realistic testing.

  • Testing Facilities: We utilize state-of-the-art testing facilities equipped with wave tanks, towing tanks, and wind tunnels to simulate various operating conditions.

Benefits of Model Testing

Model testing offers numerous advantages, including:

  • Validation of design concepts

  • Fine-tuning of performance parameters

  • Assessment of stability and safety

  • Optimization of hull form and propulsion

  • Identification of potential issues and their solutions

By incorporating model testing into the ship design process, we ensure that your vessel not only meets but exceeds industry standards. Our commitment to precision and innovation sets EGNA apart, making us the partner of choice for ship design and validation. Contact us to learn more about how our model testing services can benefit your maritime projects.

STABILITY CALCULATIONS

At EGNA, we bring a wealth of expertise and experience in the field of marine stability, spanning a diverse range of vessel types. Whether the task involves new vessel construction, conversions, regulatory compliance, or practical operations and training, our team is well-equipped to meet your specific needs.

Our active participation in research projects and involvement in IMO (International Maritime Organization) working groups positions us at the forefront of the latest developments and requirements, all aimed at enhancing the safety and performance of vessels.

Our comprehensive range of stability engineering services includes:

  • Evaluation of intact stability and loading conditions

  • Investigation of damage stability

  • Precise ship weight management and inclining tests

  • Assessment of damage survival capabilities

  • Development of damage control plans

Additionally, our expertise extends to the utilization of advanced loading software to optimize vessel loading, ensuring stability and compliance with operational parameters.

At EGNA, we are committed to advancing the standards of marine stability, ensuring that vessels are not only efficient and functional but also safe and compliant with the latest industry regulations. Contact us to learn more about how our stability engineering services, coupled with loading software expertise, can benefit your maritime projects.

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