Engineering & Technologypreprint2026-08-23

O.S.M.O.S.E. - Master Compendium (Integrated Offshore Architecture)

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Abstract

Coastal nations currently face an unprecedented trilemma: severe industrial land scarcity, the escalating threat of sea-level rise and extreme weather events, and the critical need to secure sovereign supply chains for the energy and digital transitions. Traditionally, the response to coastal expansion has been land reclamation (polderization). However, massive dredging and seawall construction irreversibly destroy marine hydrodynamics, eradicate benthic ecosystems, and fail to offer true circularity. The O.S.M.O.S.E. framework proposes a radical paradigm shift in marine spatial planning through the concept of Coastal Industrial Offloading. It introduces a modular, hybrid infrastructure that abandons traditional bedrock-only drilling. Instead, it combines deep-driven monopiles for critical shear resistance with Quasi-Sierpinski fractal trusses that distribute massive gravitational loads uniformly across soft, unconsolidated sediments without drilling. The superstructure relies on a Design for Manufacture and Assembly (DfMA) methodology, where floating cellular geopolymer caissons are hoisted via hydraulic strand jacks. This assembly utilizes a partial splash-zone stab-in guide to neutralize dynamic pendulum shocks during water exit, transitioning to flexible kinematics to prevent structural binding during the final free ascent. Unlike standard offshore platforms, these megastructures operate as perfectly closed sovereign metabolic loops. They integrate a marine-adapted Small Modular Reactor (SMR) and Zero Liquid Discharge (ZLD) desalination. The resulting brine is processed through Bipolar Membrane Electrodialysis (BMED) to generate on-site chemical reagents (HCl and NaOH), secured by an absolute secondary containment matrix (DCPD-modified sulfur). This autarkic engine sustains heavy, interchangeable payloads—ranging from Hyperscale Data Centers cooled by deep seawater (SWAC), to Na-ion Gigafactories executing closed-loop chemical leaching on both imported biomass and locally accreted sediments, and Z-Axis modules performing continuous In-Situ Recovery (ISR) in deep aquifers. Furthermore, by calibrating the hydrodynamic footprint of the fractal periphery, the structures act as permeable combs that drop tidal kinetic energy below transport thresholds. This actively accrues suspended sediments to passively regenerate high-value tidal mudflats (e.g., Getbol). By strategically routing low-grade waste heat to these benthic zones, the architecture thermally boosts endemic halophyte growth and symbiotic aquaculture, effectively transforming environmental liabilities into indestructible, net-positive industrial assets.

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View paper (DOI)Open access versionOpenAlexZenodo (CERN European Organization for Nuclear Research)Published 2026-08-23

Authors: O. Peyrol