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Comfort – Rooftop of a palace – Casablanca

Project background: Wind comfort improvement for a luxury hotel in Casablanca

Eolios Ingénierie recently carried out a wind comfort analysis for a luxury hotel in Casablanca, Morocco. The aim of this study was to improve the aeraulic comfort for visitors to this hotel in a dense urban area. In the area studied, numerous obstacles, such as tall buildings, are present and needed to be taken into account to better understand their effect on occupant comfort.

3D model of the palace and its urban environment
Project

Comfort - Rooftop of a palace - Casablanca

Year

2025

Customer

Royal Mansour

Location

Casablanca

Typology

Air & Wind

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Digital Palace Modeling

Climate Characterization of Morocco: Understanding Winds and their Impact in Casablanca

Morocco’s wind has distinct characteristics due to its unique geographical position between the Atlantic and the Mediterranean, and the presence of the Sahara Desert to the south. The influence of these different air masses creates varied and sometimes extreme wind conditions. Prevailing winds, such as the Chergui – a hot, dry easterly wind from the desert – contribute to significant variations in temperature and humidity rarely found in other regions. In addition, Morocco is subject to the Atlantic trade winds, which bring coolness and humidity, particularly to coastal regions such as Casablanca. This creates a windy climate that is often unpredictable and complex.

Annual compass rose for the city of Casablanca

Unlike urban regions with a more temperate climate, where winds have a certain seasonal regularity, the diversity of climatic influences in Morocco calls for a particularly agile approach to wind comfort, incorporating adaptive solutions in the face of multiple possible scenarios. This variability calls for specialized studies to anticipate and mitigate the impact of extreme winds on architecture and urban planning in metropolises like Casablanca.

Air Comfort: Challenges and Solutions for Luxury Hotels

In theluxury hotel sector, air comfort is an essential aspect of thecustomer experience, contributing directly to a feeling of well-being and serenity. Guests of these establishments expect to enjoy spaces where climatic comfort is optimized, both inside and out. This means that building design must take careful account of airflow to avoid unpleasant draughts, while ensuring adequate ventilation.
Luxury hotels, often with outdoor facilities such as terraces, pools and gardens, need to incorporate innovative solutions to manage wind – for example, the use of strategically placed windbreaks, vertical gardens to reduce turbulence, or architectural materials that optimize natural airflow.

Example of a luxury hotel

By integrating bothaesthetics and functionality, luxury hotels are redefining hospitality standards by offering a remarkable customer experience. By focusing on aeraulic comfort, they create environments where guests can fully relax and enjoy their stay, whatever the climate outside. Thanks to innovative solutions and cutting-edge technologies for managing airflow and climatic conditions, these establishments guarantee a level of comfort that meets the exacting expectations of their customers.

Air Comfort Management on Rooftops: Strategies and Innovations

Rooftops, increasingly popular in luxury hotels, offer panoramic views and a unique open-air experience. However, they present particular challenges in terms of aeraulic comfort due to their direct exposure to natural elements, particularly winds. Ensuring optimum comfort in these spaces requires special attention to airflow management.

Examples of exterior fittings

For example, the use of transparent screens or semi-open structures can effectively reduce the impact of strong winds while preserving the unobstructed view for customers. Well-placed vegetation installations can also play a crucial role in mitigating the effects of wind and providing a soothing aesthetic touch. In addition, the choice of weather-resistant materials and structures is essential to ensure the durability and comfort of these spaces. Thanks to careful design and the integration of modern technologies, rooftops can offer a perfect balance between natural exposure and comfort, enabling customers to enjoy outdoor spaces in complete peace of mind, whatever the weather conditions.

Vortex phenomenon in the hotel courtyard

In dense urban environments, the courtyards of luxury hotels are often confronted with complex aeraulic phenomena, of which the vortex is one of the most common. This phenomenon occurs when wind is forced to bypass built structures, creating air vortices that can lead to unpredictable turbulence and intensified wind speeds at ground level. In a hotel courtyard, a vortex can disrupt the comfort of outdoor spaces by generating unpleasant draughts for occupants, affecting the use of areas such as terraces, swimming pools or relaxation areas.

Illustration of the vortex phenomenon

To mitigate this effect, it is crucial to implement architectural and landscaping strategies such as adding windbreaks, strategically configuring landscape elements or modifying ground relief to diffuse and reduce the force of whirlwinds. By integrating these solutions, hotels can transform their courtyards into oases of tranquility, ensuring that every outdoor space offers a pleasant and comfortable experience, sheltered from the whims of the wind.

CFD Numerical Simulation: Modeling Wind Flows for Optimal Comfort

Eolios Ingénierie used CFD simulations to model wind flows around the project. These simulations made it possible to solve the fundamental equations of fluid dynamics to obtain an accurate representation of air flows, essential to the study of wind comfort.

Image of the 3D model of the project used

By reproducing the 3D geometry of the neighborhood with its existing buildings, Eolios was able to obtain detailed results on wind comfort, quantifying the influence of theimmediate environment. As a result, areas of the building were identified as being particularly affected by south-westerly winds, while the terraces benefited from protection against north-easterly winds.
Thanks to their expertise and the use ofadvanced simulation tools, Eolios Ingénierie provided tailored solutions to improve wind comfort for this project in Casablanca.

Image of the 3D model of the building used

By reproducing the 3D geometry of the neighborhood with its existing buildings, Eolios was able to obtain detailed results on wind comfort, quantifying the influence of theimmediate environment. As a result, areas of the building were identified as being particularly affected by south-westerly winds, while the terraces benefited from protection against north-easterly winds.
Thanks to their expertise and the use ofadvanced simulation tools, Eolios Ingénierie provided tailored solutions to improve wind comfort for this project in Casablanca.

Innovative Solutions from Eolios Ingénierie for Optimal Wind Comfort

Eolios Ingénierie proposed specific solutions to improve wind comfort for the luxury hotel project. For areas most exposed to south-westerly winds, Eolios has recommended additional protection. The installation of a bay window on the top floor of the building, partitioning off the upper floor, aims to reduce wind speed and create a more comfortable area for users. By modifyingairflow and minimizing turbulence, this solution makes outdoor activities more pleasant and comfortable.

Illustration on 3D model - Layout of the bay window solution at terrace level

It’s important to stress that these solutions not only improve user comfort, but also don’t obstruct the view of customers, offering them an unobstructed view of their surroundings. This encourages more frequent and prolonged use of these spaces, helping to create more convivial and attractive places.

Current traces from CFD simulations at terrace level

Thanks to Eolios Ingénierie’s skills and expertise in the study of wind comfort, the project to upgrade the luxury hotel in Casablanca will benefit fromspecially adapted fittings to ensure optimum comfort for occupants. By consideringwind exposure and terrain roughness, and proposing additional protection, Eolios Ingénierie ensures that users will be able to take full advantage of this infrastructure, whatever the windy conditions. This thoughtful, personalized approach helps create pleasant, safe environments that promote the well-being and satisfaction of the project’s occupants.

Video summary of the study

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Video summary of the study

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