الفهرس 
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Abstract
The evolution of the architecture practice today, leads us to rethink the definition of some fundamental notions in architecture, Through computerized processes, the environment in which architectural projects are developed, had profoundly changed, There is a major shift occurred from the meaning of the physical reality environment to non-physical environment, and each of them have its aspects in the design process, this shift had emerged as a reflection of the evolution of using the computer capabilities in the design process ..
The computer is still producing many virtual environments features in our digital era, and this because of mimicking the physical space that surrounds us with its forces which can’t be conceived, and these forces can be generally formulated as:
Forces affect the architectural form through our physical environment, these forces are such as (Light- Wind-Sound- Temperature ....), and are formulated in its real data such as (wind velocity is measured with km/hr - the azimuth of the sun can be calculated through determining the Latitude & Longitude of any site).
Forces can be assumed by the architect, and these forces shouldn’t be existed in our physical environment, especially with its real data such as (focusing on the deformation of a form as a reaction to wind without caring to how would be the wind velocity).
Over more than a decade, dealing with computer’s virtual environment had provided for architects to work with generative computational processes, As in all creative processes two main factors are involved: the unpredictability of external factors linked to each design occasion, like the environmental context and client’s requests, and the subjectivity of designers when they interpret these external factors.
Today, generative techniques are primarily applied to the challenge of generating variance during a design process Even though sets of possible solutions can often be easily determined (automatically generated), human selection is typically still needed to pick the most appropriate one.
This thesis also discusses an emerging approach to architecture in which building performance is a guiding design principle and the form-making evolutes by the modification of the built environment with an effective use of performance simulation tools in the design process, with full participation from the design team including the expert consultants.
Both basic environmental design considerations and analyzing these considerations using specialized digital simulations can impact the architectural form, and through studying the impact of these forces on our forms especially in the early stages of the design process, our buildings form can be attuned with its ambient environment.
In a typical scenario, the architect would extract information from the model for use in calculating a wide range performance characteristic, such as heat/loss gain, day lighting effects, air flow, and egress under emergency conditions, structural performance and financial feasibility. Specialized knowledge would no longer be needed for data input or interpreting of results, creating a closer linkage between analysis and design process. ”Feedback gaps” for the designer would thus be eliminated. Tightly coupled with the building information model, performance
Analysis and evaluation tools could now provide meaningful feedback to the design decision-maker, in the context of the overall building design.
This thesis handles the impact of ambient forces around architectural form through computer usage in architectural design process, and studying the role of computer usage through a digital design process which relied on the effect of the ambient forces on an architectural form.
This thesis would focus on the light and wind aspects for generating forms in digital way with an application which clarifying how to generate a per formative form (bourse office building) based on analyzing the sunbath and the air flow through applying the impact of lighting and wind aspects in generating architectural forms and each of them would have its procedure through the usage of analyzing software, and this form can be considered as an envelope to design within its borders.
This thesis is divided to six chapters:
Chapter one: ”Digitizing Environment”
This chapter deals with explaining the notion of the ambient environment of the architectural form, and the shifting of this idea within the digital era, also the ingress of the computer in the architectural design process; at last the chapter would clarify the architectural strategies which focused on the computer usage in the design process.
Chapter two: ”Per formative & Generative design strategies in physical & non-physical environments”
This chapter describes two architectural strategies which dealing with generating the architectural forms attuned with its ambient environment whether physical or non-physical, and these strategies would be:
The ”per formative design” which focusing on generating architectural forms through achieving its performance with ”coincidence with airflow coincidence with sun-path ....”
The ”generative design” which focusing on generating coincident forms within its depicted environment
Also the digital design process had been clarified for each strategy.
Chapter three: ”Computing the per formative forms through physical environment”
This chapter describes using of computer in the per formative design process, with concluding the impact of each environmental forces (Light sound) on the formal deformation of the architectural model.
This chapter had clarified also the formal deformations which could be done to reach to the best optimized performance in (light-wind- temperature-sound).
Chapter four: ”Computing the generative forms through nonphysical environment”
The fourth chapter gives a general explanation of using the computer in the generative design process through defining the forces from two viewpoints ”Animate Forms & Evolutionary Forms”, with concluding the impact of each environmental force (wind-vortex-repellors .....)
Chapter five: ”Examples for per formative & generative forms in physical & non-physical environments”
In this chapter, five examples are presented and analyzed through the concept of each example with focusing on the role of computer in the design procedure for achieving the coincident forms.
Chapter six: ”Case study”
This chapter is handling a detailed explanation for the impact of the light and wind on architectural forms digitally, with explaining an application ”Bourse office building”; this proposed application will clarifying how to generate an architectural form attuned with its ambient environment in the light and wind conditions.
Finally, a number of conclusions and recommendations are derived from the previous chapters of the study .