COIT 20275 Assessment 2: Functional Analysis of Bridge Design

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COIT 20275 ASSESSMENT 2

Table of Contents
Introduction:...............................................................................................................................................3
Functional analysis..................................................................................................................................4
Allocation process...................................................................................................................................5
Functional Allocation Analysis Approaches.............................................................................................6
Logical architecture.................................................................................................................................7
Physical architecture...............................................................................................................................7
Conclusion:................................................................................................................................................10
References:................................................................................................................................................11

Introduction:
In this report, the topic which will be discussed is the Functional analysis of the preliminary
design. Also, discuss the approaches which are used for functional analysis and how the physical
and logical structure can be mapped. In this the physical and logical architecture also discussed.
These all factors played the best and significant role to fulfill the knowledge, skills of individual
as well as the development team of the bridge. In short, this report gives a brief discussion about
the designing process of the bridge.

Functional analysis: in the previous assignment, the discussion is placed called the USFS
bridge design process. After this, the functional analysis is done. The term functional analysis
means it is process that takes place in the next step of the SE(System engineering) after making
and setting a requirement and goals. The main moto or main purpose behind the functional
analysis is that it divides the system or anything which is to be processed into different-different
or smaller parts. These parts describe what should be done with each part and how can achieve
the goals of preliminary design. With the use of functional analysis, the set goals and
requirements can be achieved. The function name come from the maths function, which takes the
input value and give the different output value. In the making of design process of bridge, a
functional analysis is also done. In the making of the design bridge, the input term can be as
stone, wood, vehicle and the output term can be a bridge itself. This means if we determine all
the inputs it can result in better output. In mathematical the function have one input, where the
mechanism is applied on the input for taking the output from the given input. Before output,
there is a control mechanism that controls and manages the mechanism which is applied to the
input. Same as in designing the bridge, there is input like stone, wood, aluminum, vehicle, JCB
than the people or stakeholder is works as a mechanism and apply on the input and there is one
constructer who manage and control the process after all the process the result of output will be
as a bridge. there are many ways to record and show the function which is used to make system
design, the main and most popular method called Functional flow block diagram(FFBD). This
diagram has rectangular box which represents every function of the system and in this bridge the
project stakeholder and requirement can be combined a rectangular box. This will give the best
result towards the bridge system.
The functional analysis is a method or methodology for analyzing the performance and mission
and requirement of anything. And after analysis, this translates into the different tasks or
activities which is performed by the system. To determine and doing the functionality analysis of
a system the first step is needed to be a design of a system to obtain the best and conceptual view
of the system(bridge). For conducting the functional analysis on the preliminary design, some
tools are used to support the activity or task which is analyzed.
The functional analysis of the preliminary design where the function word refers to specific
action which is necessary to achieve an object which is given. The functional analysis is a

process of breaking down the requirement from the level system. To analysis the functionality of
the system, the system should be designed in a hierarchical structure from which the input
criteria can be identified.

Role of functional analysis:
 if the designing of the bridge is done that functional analysis can take place, the main
role of functional analysis is that to analysis the component and tools of the
system(bridge) and how achieved this setting requirement goals.
 All the elements of the bridge are totally defined and recognized. Such as its parts,
equipment, Vehicle resources, data, and personnel.
 That’s means is giving the related system concept and requirement from that it can be
useful for better functional designing.
The functional analysis can be used for many things, they are following.
 Maintainability analysis,
 operator task analysis(OTA),
 Maintenance task analysis(MTA),
 supportability analysis.
 System safety analysis,
 Fault-tree analysis(FTA).
Allocation process: After given the high-level definition of the system(bridge) through the
Functional analysis, the further step is that to break down the system into elements by dividing. It
involves a breakdown of the system into sub-system and low-level components. The partitioning
and divide of the system into components is evolutionary in the environment. After identifying
the system component, the further step is to allocate the required component which is specified
for the bridge down to a level that provides or giving the meaning input for design. The
allocation process involves a high-low level distribution of the qualitative and quantitative
criteria.
The functional analysis of designing the bridge can be understood as that the bridge firstly which
will be the creation, the project stakeholder have to document all the requirements, which will be
needed at the time of creating the bridge. After document the requirement, the step is taken is to
make a design of the bridge. the project stakeholder has to check and analysis how to achieve the
goal of the bridge with the specified requirement. Functional analysis can be helpful for making
an effective system. The functional analysis is broken down the system into different-different

tasks. The bridge system can be broken down into several tasks such as one stakeholder team
handle the designing process and the other team handles the requirement which will be used at
the timing of making the bridge. by doing the functional analysis the project stakeholder can do
the effective work for the bridge. the design process is done because to obtain the best and
effective conceptual view of the bridge because with the use of the conceptual view of the bridge
the project stakeholder can easily manage the work and then they know how to work according
to the conceptual view. The system divide into some different-different activities, like develop a
team doing its work individually, an engineer works team work individually it gives the best
result because no one can distract the other person and doing their best to achieve the effective
goal and requirement. In other words, functional analysis can also be done to visual the
functionality of the bridge that how can bridge should be done, what should be done by each task
and each activity.
The functions which should be followed during the designing of the bridge system, these
functions are following, to provide the task manager and project manager for different project
delivery stages. To create the plan and designing of the bridge and maintenance other bridges, to
providing the ideas for technical researchers for supporting the discussion of the bridge.
Functional Allocation Analysis Approaches: in this assessment, a use case driven
approach is used for functional allocation analysis. This approach used use case realization and
use cases for architecture modeling of functional. This approach is used in large-scale projects.
there is need an approach for functional and allocation analysis because as know that there
should be a method from which the goal can be achieved easily. Without any approaches, the
work and any type of analysis can not be done properly. For any architecture which is to be
competitive in market life than it is necessary and important to achieve the best system(bridge)
as well as ineffective manner and maintenance. To use the approaches for functional and
allocation analysis it makes sure that to avoid or pretend the multiple or many implementations
of the same functionality. The main purpose of functional and allocation analysis to describe the
functionality of the system, which means what is the objective of the bridge, how can manage the
work of the bridge, what requirement is needed for this work. This all done in the functional
analysis. This system divide into the sub-system and these subsystems do their work
individually. This analysis of functional and allocation is based on the input which is provided by

the requirement analysis. This functional analysis also receives feedback from the requirement
loop. In the next level, functional and allocation also giving the input to design synthesis and
feedback receive from the design loop. In the bridge, the sub-function or sub-system is done with
the different-different type of stakeholder because all stakeholder has its own power or capability
to do different-different work.
The functional analysis is also used for identifying the risk and limitation which is occurred
during the designing process of the bridge. the limits and risk which can be occurred during the
designing process, they are the following:
1) The measurement should be done in a proper way as per the requirement.
2) The selection of tools should be done according to the requirement.
3) The materials which will be used in the bridge should be good and high strength.
4) The arrangement and consideration should be done for the metal used during the
construction of the bridge to avoid the error or corrosion.
5) The main purpose of functional analysis for identifying the risk to check twice the
development and design of the structure of the bridge before the final implementation.
Logical architecture: The logical architecture gives the solution to work in order of logical
and function information. In other words, this architecture takes place between conceptual and
physical architecture. The logical architecture is broad or extend in scope. The logical
architecture allows the architect to make a system at a high level or low level according to the
requirement and this makes it very precious for the architecture purpose. The logical structure
view will be necessary for the dynamic and more illustrate sequence. In easy words, the logical
architecture means it tells verbally about the system that how to create the system or bridge
means what is the purpose of this bridge and what types of vehicles can be run on the bridge so
that the architect will use materials according to the requirement. The logical architecture easy
documents the requirement and creates a logical visual of the bridge that what functionality will
be used in the bridge and what types of tools used in the bridge at a particular place.
Physical architecture: physical architecture is the low-level abstraction. It is a very detail
architecture. It comes itself with the specified product any other notation of technical because
When designing the diagram of physical architecture the main purpose is to enable real-time/life

implementation of the specific bridge. this architecture work or act as a guide for the team
member who put the effort to create that system(bridge). the physical architecture gives the detail
version of the bridge that what should be done in the bridge and what tools have it works, and the
bridge can be view by the physical architecture that how will be resultant a bridge. the physical
architecture will make the fruitful communication between the project manager and project
sponsor that they can understand the details architecture and deliver the output with the agreed
budget and time.
The mapping of the logical/function and physical architecture will give the better result of
creating the bridge because to implement the bridge in real-time, firstly the physical and logical
architecture should be created because with the use of this architecture the project stakeholder
can easily understand the purpose of the bridge and what requirement is needed for creating the
bridge can also describe in this architecture. The requirement is needed for physical and logical
architecture are following, first of all, the planning of the bridge should be done before
implementing the construction of the bridge. the second thing is that to analysis the developed
bridge this can be very helpful for the new bridge’s construction, the main and most important
requirement is that to design the bridge in order to achieve all the goals of the bridge, the next
requirement is that to test and measure the performance in order to measure the capability and
stress ability.
The functional architecture is a model of architectural that identifies the system functions and
their functionality and interaction. This architecture defines how the function can operate and
work together to perform the system mission. The main moto of the functional architecture is to
support the performance of the bridge. this architecture also supports the development along with
physical architecture. The requirement for the functional architecture defines a system function
and its element, where function behaves between the input and output. functional requirement
involves the mathematical calculation, data manipulation, usability, maintainability, and
reliability. These all things are involved in the functional requirement because these all things
gives the proper and specific output.
The main conclusion of these all architecture that having all the understanding like its role and
value about these architecture gives an effective bridge. by choosing the best type of abstraction,
the main thing has to remind that what is the purpose behind this system means why it is been

developed or create. Mapping these architecture gives the proper knowledge about the overview
of the bridge in terms of conceptual or physically.

Conclusion:
The conclusion is out from this report is that to design and development of the bridge it must be
considered the designing of the bridge before making the final implementation of the bridge. to
create the bridge there should be done many things such as planning, analysis the developed
bridge, designing the process, gather all the requirements, document all the required information,
make physical and logical architecture. The main conclusion is that this bridge is helpful for the
people who can run on this bridge and easy for transportation. The project stakeholder have
should good communication and listening skills so that they can easily fulfill the requirement of
the project sponsor.

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