Structural Analysis

Structural assessment is an important aspect of design. Investing in improved detail and quality of the analysis performed can help reduce fabrication cost and to avoid stress concentrations which might later lead to fatigue issues.

No structural analysis is complete without good quality load inputs. Our hydro/aerodynamics experience gives us insight to develop accurate, realistic loads, and where required we can derive environmental forces through CFD and motion analysis.

Houlder conducts structural analysis to many different codes and requirements.


Ranging from simple Weibull fatigue assessments to detailed, multi-action cyclic histograms. We have a solid background in the principles of fatigue allowing us to make sound design decisions and quantify assets’ expected fatigue lives.

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Offshore tooling/equipment for the wind energy sector. Equipment on vessel and recently more wind propulsion devices.

Vessel Structure

This ranges from localised areas of vessels/floating assets to large global analysis with hydrodynamic hull pressures. Useful from equipment retrofit and upgrades to large transit seafastening.


From simple application of rule-based empirical methods, semi-empirical analysis with linear eigen buckling through to full, nonlinear plastic buckling with fabrication tolerances. The more involved methods are useful when the geometry and/or stress fields are not suited to rule-based evaluation.


We use this useful tool to examine the extent of high-stress areas. This often gives great insight to the true structural capacity. Useful to help close lengthy debate between stakeholders where peak stress from linear analysis is causing concern. Care must be taken that the detail does not become fatigue sensitive.

Explicit Analysis

We investigate wave impacts and analyse collisions often as part of an investigative engineering service.

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