Seabed Grooming Device for Surf Condition Control
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Solution Overview
Problem
Surf conditions vary significantly over time and location, leading to crowding and competition for favorable waves, as well as disappointment for surfers due to unfavorable conditions, despite the economic importance of surfing.
Innovation Solution
A method and apparatus for reshaping the seabed by moving sediment to form specific formations that improve surf conditions, such as sandbars, based on anticipated swell intensity, angle, and surfer preferences, using a grooming device that directs a stream of water to rearrange sediment while being towed by a personal watercraft.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If surfers gather at favorable surf locations, then wave quality is improved for those surfers, but crowding and competition increase reducing overall enjoyment and economic value
Solution Approach 1:
The patent applies local quality by creating specific seabed formations (ridges, sandbars, channels) at particular locations to generate desirable wave characteristics. By modifying the seabed topology in specific areas, the invention creates localized zones with optimized wave quality features such as pitch, spill, and barrel formation, thereby distributing high-quality surf spots across a broader area rather than relying on a single crowded location.
Solution Approach 2:
The invention employs preliminary action by pre-shaping the seabed formations before surfing activities occur. The seabed is modified in advance to create optimal wave-generating structures that will consistently produce desirable surf conditions when waves occur, eliminating the need for surfers to compete for limited natural spots and allowing multiple locations to provide high-quality waves simultaneously.
2Adaptability or versatility
If surf conditions are naturally variable, then diverse wave types exist for different preferences, but surfers experience disappointment when arriving at unfavorable conditions
Solution Approach 1:
Different seabed formations are created to produce different wave characteristics suitable for various surfer preferences. Ridges can generate spilling waves ideal for beginners, while sandbars and channels create pitching waves with barrels for advanced surfers. This allows multiple wave types to coexist in different locations, maintaining diversity while ensuring each location reliably produces its intended wave style.
Solution Approach 2:
The invention changes the physical parameters of the seabed (depth, slope, shape, composition) to control wave behavior. By adjusting parameters such as the angle of seabed slopes, the height and position of ridges and sandbars, and the width of channels, the system can reliably produce specific wave characteristics including pitch angle, break location, and tube formation, making surf conditions predictable rather than variable.
3Reliability
If sediment is moved to form seabed formations, then surf conditions are improved, but energy and resources are required for the moving operation
Solution Approach 1:
The patent utilizes hydraulic principles by employing water currents to transport and deposit sediment. Water, driven by natural tides or controlled pumps, carries sediment particles and deposits them in desired locations to form ridges, sandbars, and channels. This hydraulic approach is more energy-efficient than mechanical excavation and allows for gradual formation of seabed features using the natural kinetic energy of water flow.
Solution Approach 2:
The seabed formations are created using natural processes rather than continuous external energy input. Once sediment is initially positioned to form the desired structures, natural tidal currents and wave action maintain and reshape the formations over time. The system becomes self-sustaining, using the energy already present in the marine environment to preserve and even enhance the formed structures, minimizing the need for ongoing energy expenditure.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This approach enhances wave quality by creating consistent and desirable surf conditions, allowing for the creation of longer, tubular waves suitable for barrel riding, while also spreading out surfers and adapting to changing environmental conditions.
Implementation Method 1
The moving may include directing a stream of water towards a portion of the seabed from which sediment is to be removed
Data Source
AI summary
A method of improving surf conditions above a seabed is provided. The seabed is at least partly formed of unrestrained sediment. The method includes moving some of the sediment to form a formation of unrestrained sediment. A grooming device is provided for improving surf conditions above a seabed. The device is movable in a direction of travel along the seabed and includes an outlet and an arrangement. The outlet is for directing, in a direction transverse to the direction of travel, a stream of water to move some of the sediment. The arrangement is for engaging the seabed to resist force resultant from the directing the stream of water.