Advanced Analysis

DMS specializes in advanced analysis.  We possess extensive background in the theory and practice with a range of computer simulation and analysis techniques.  We have experience in multiple simulation software packages.   We learned the tricks of the trade to ensure efficient project execution.

More important, we are experts in practical and relevant analysis.  We don’t just report a string of useless numbers.  We explain their significance.  We relate the computer back to the real world.  We keep our analysis grounded in reality, focused on the important part:  your ship.



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At DMS, we also know that computers can lie.  Simulation based analysis does not guarantee accuracy.  The computer happily produces garbage without the watchful eye of an experienced engineer.  DMS remains rigorous in our approach to simulation quality.  We routinely expand our library of validation studies in both FEA and CFD.  And we perform mesh independence studies on every single simulation.  Every simulation report includes a quantification of simulation error.  We tell you exactly how much to trust the simulation and what safety factors to apply.  This delivers ultimate confidence, not in the computer, but in the engineer controlling that computer.

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Computational Fluid Dynamics (CFD)

We exist in a world of motion, a world of fluid dynamics. Computational fluid dynamics (CFD) allows engineers to understand, predict, and work with fluid mechanics.

Finite Element Analysis (FEA)

FEA allows us to analyze any array of complex structures. This yields new designs and reduced structure weight. DMS validates every FEA model for accuracy.

Fatigue Analysis

All vessels eventually end with fatigue. DMS can transform this threat into an opportunity for service life extension.

Fatigue Finite Element Analysis

Fatigue finite element analysis can extend your vessel life and create efficient plans for inspection and prevative maintenance.

Composite Structural Analysis

Sometimes you need more from your material. Composite structural analysis allows you to design the material for the perfect structure. Learn more.

Composite Finite Element Analysis

When you require detailed control over your structure, DMS offers composite finite element analysis. The benefits of composites plus FEA.

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Ready to discuss your next project.  DMS is ready to join your team.

Relevant Ship Science Articles

Practical CFD Modeling: Volume of Fluid Modeling

Computational Fluid Dynamics (CFD) can model multiple fluids with the volume of fluid method. (VOF) The volume of fluid method opens new horizons for advanced modeling, which requires additional planning from the CFD engineer. Dive into the boundary conditions, meshing strategy, stability concerns, and more. Discover the world of VOF modeling.

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Practical CFD Modeling: Turbulence

Turbulence demands modeling just like any other equation in computational fluid dynamics (CFD). As the CFD engineer, you need to describe boundary conditions for your turbulence equations. This article describes how to define boundary conditions for turbulence and provides typical values for normal simulations.

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Guts of CFD: Near Wall Effects

Turbulence does tricky things near walls. Boundary layers and laminar sublayers compact interesting flow patterns into a very small space. Small it may be, but experience proved we cannot ignore it. The boundary layer forms on the body, which is our object of interest, arguably the most critical region. Turbulence is most critical near the wall, and we need to consider near wall effects.

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Guts of CFD: Turbulence

How we address turbulence is the defining feature of modern computational fluid dynamics (CFD). No modern computer has the power to directly compute the full details of turbulence (as of 2019). Instead, we make approximations and develop empirical models. What type of approximation, and which models should you select?

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Guts of CFD: CFD Linear Solution

The heart of any CFD program is an extremely efficient linear algebra solver. But CFD equations are non-linear. How do we stretch the limits of linear algebra to accommodate non-linear CFD equations? How do we take the mathematics from one cell and apply them to millions of cells?

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