Software Architecture And Design Illuminated By Kai Qian Pdf Free Download
Amabella Tevebaugh
The SE 2004 of the ACM/IEEE computing curriculum project recommends software design and architecture as one of its ten essential areas of study. Software Architecture and Design Illuminated is the ideal text for undergraduate and graduate students delving into this critical area of the software development process. This text offers a coherent and integrated approach to the discipline of software architectural design and covers a complete set of important methodologies, architectural styles, design guidelines, and design tools. Java is used throughout the book to explain design principles and present case studies. Review questions, exercises, and design assignments round out most chapters and allow students to test themselves on key material.
software architecture and design illuminated by kai qian pdf free download
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The Qianhai Shade Pavilion sits within a new park surrounded by a large commercial development as part of Shenzhen's third CBD. The Shade Pavilion creates a programmatic amenity for the park, with a cafe, bookstore and event space housed within a small-floorplate building. The design concept for the pavilion is to create a large shaded area much larger than the pavilion itself.
Shenzhen endures high temperatures and 13 hours of sun per day from May to October, leading to average temperatures upwards of 90 degrees F, and about 600 cooling degree-days per month. We designed a trellis to shade our pavilion rather than rely on mechanical conditioning.
We designed an expansive aluminum trellis covering an area five times the size of the pavilion under which residents could gather, recreate, and enjoy their district. The trellis floats above the glass pavilion, allowing the pavilion to receive shade and lower the cooling load. By decoupling the trellis structure from the pavilion, we also avoided thermal bridging between the shade structure and the interior.
As the building's defining feature, the trellis's function was not only to shade inhabitants below, but also to translate the solar exposure into a perceptual effect. To do this, we designed a concave louver profile to bounce diffuse light without transferring heat. The vast majority of solar heat gain occurs from direct illumination, while subsequent caustic bounces of a given sun ray will transfer visible light with very little heat. Thus the carefully angled louvers of the trellis create a shaded ground plane and illuminated underside.
Through iterative testing we designed a concave louver profile for our trellis that bounces diffuse light without transferring heat. By using a concave louver profile as opposed to a convex louver profile, we can provide twice as much diffuse light below the canopy.
In this way, the Hometown Cloud becomes the viewing spot for the Hometown Moon and a starting point to chase after it. Looking from the top of the mountain, the Hometown Moon and the moon in the sky establish a dialogue between manufactured and natural symbols, blending with the environment and sustaining the aesthetic integrity of the valley. Heading down toward the Hometown Moon, the structure playfully disappears from time to time among trees and branches. It gradually becomes bigger until the manufactured wonder fills in on the complete view, presenting locals and visitors with a romantic depiction of home. Once visitors reach the Hometown Moon, it is possible to look back at the Hometown Cloud. Then, the desire to chase the Hometown Cloud comes to mind again. To this extent, the buildings complement each other as symbolic counterparts.
The parking lot is the last reminder of modern civilization. To access the Hometown Moon, visitors must go through a purifying road. It takes about five to ten minutes to walk along the path between mountains and streams. The entrance lies behind a boulder. From here on, visitors begin to enjoy communion with nature. Birds singing, insects chirping, rustling leaves, gurgling streams, and hearts beating with joy and anticipation; the sounds of nature make visitors feel at ease. After crossing a mountain, a river, and exploring a few curved pathways, visitors finally arrive at the building. Here, they ponder about the intriguing nature of the architecture. And on the emotional side, their senses of hearing and smell are stimulated by their natural surroundings.
The long and winding paths increase the curiosity of visitors. Attracted by a building in the middle of nature, they suddenly find themselves inside the structure, wondering about the charms of an inverted moon. Like Buddhist meditation, the experience develops insight by feeling the background of mountains and forests to complete a mental reorganization, soothing the souls of urban residents. Along the plank road, there are playgrounds, cabin camps, bonfire areas, and anti-fog devices. These and other similar spaces enrich the experience and the dimension of the project.
When the surroundings become gray, the visitors are officially inside the territory of the moon. The building occupies more than 1,000 square meters consisting of the moon, the cavity, and the grey space. Inspired by the mountain stream by the base of the building, the designer uses architecture as a medium to reproduce the romantic idea of a moon born on the sea.
The placement of the Hometown Moon was designated considering several factors: the altitude needs to remain moderate, and the building must not block the mountains behind it. It should not be blocked by the hill in front of it either. Proportion-wise, the diameter of the moon and the area of the water surface must match to ensure that the architectural piece and its reflection on the water form a full moon together. Furthermore, the cavity in the building needs to contain half of the moon with a diameter of 12 meters. The space also needs to allow the appropriate height required to host ceremonies.
The depth of the roof pond needs to consider the water evaporation rate. In this regard, a water reservoir 0.5 meters deep and a central interlayer device work together to reduce the hydration frequency. The ceremonial space needs to remain column-free, and the form and shape of the full moon need to limit the thickness of the beams. A ribbed and beamless concrete floor meets the load-bearing requirements of the structure at a reasonable price too.
Syn Architects takes advantage of the materials available in the area to adopt a limited intervention approach. The strategy consists of widening the base of the valley before erecting the building. Such a method also preserves the original spillway to help prevent natural disasters. The foundations are dug according to the calculated diameter of the moon and the space desired. Furthermore, the rocky and mossy walls of the mountain remain untouched as a natural limit to the project. In this way, the walls showcase the struggle between man and nature while further participating in the aesthetic concept.
The natural scenery is the starting point of the Hometown Moon. Indeed, nature is the catalyst that feeds the imagination of architects. They ensure that the solution is reasonable, achieving goals and fulfilling spatial and functional requirements by maximizing the integration with nature.
Syn Architects interprets the unique nature of love by adhering to materials closely related to the mountainous environment. Graceful rock slabs, stone objects, smooth gray concrete cover the walls and floors of the structure, almost as if they were a part of the mountain. And on the roof, the use of highly transparent ultra-clear glass ensures that sunlight can find its way in freely to light up the room.
The curved wall of the moon forms a natural echo cavity, like a functional symbol that amplifies the promise between lovers, conveying their vows to the world. From dawn to dusk, the changes of light make the moon adopt different shapes, resembling distinctive states of mind. Besides the moon, there are barely any decorations inside the chamber, not even artificial lights. The large moon is strong enough to light the space, transcend temple boundaries, and even philosophical thought. Without interference from the outside, the project brings people together in a spiritual sense. All in the name of the purity of love between bride and groom.
The Hometown Moon ceremony hall divides a full moon in half. The reflection over a water-like surface of corrugated steel makes it whole again. Perhaps, the essence of life is flawed. As such, human beings continuously look for their other half, as if looking for consummation. That second half will perfect the essence of the other, like the other half of the moon. Furthermore, the yang principle is present on the upper side of the hall, and yin is contained at the bottom, forming a balanced combination. The philosophical concept of duality (existence and non-existence); is uniquely showcased by the architectural language.
Syn Architects has built a poetic and philosophical building that words fail to describe. The project combines the central ideas of Buddhism (harmony, perpetuity, comprehensiveness, and endlessness), the concept of emptiness from Taoism, and the cultural heritage of Confucianism to provide physical shelter from the wind and the rain in the shape of a Hometown Moon. Its exaltation of ritual in our society and its new aesthetic for the countryside demonstrate the importance of rural development. The Hometown Moon also encourages cooperation between government agencies, private industries, the media, and the general population, creating a complete circle through careful design. The Hometown Moon is what Le Corbusier used to call an ineffable space, a place where the only thing that matters is the experience of being there.
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