introduction to structural analysis and loads

... The course was expanded to cover a full semester, and the course title was appropriately changed to “Introduction to Structural Dynamics and Aeroelasticity.” Aeroelastic and structural-dynamic ... Abzug and E E Larrabee: Airplane Stability and Control: A History of the Technologies that made Aviation Possible, 2nd Edition 15 D H Hodges and G A Pierce: Introduction to Structural Dynamics and ... wings We move to wings in torsion and swept wings in bending and torsion and then finish the chapter with a treatment of swept composite wings undergoing elastically coupled bending andtorsional...

Ngày tải lên: 30/03/2014, 20:20

... Plans Introduction to performance analysis and DAX optimizations using query plans Author: Alberto Ferrari Published: Version 1.0 Revision 2 – July 17, 2012 Summary: This paper is an introduction ... friends I would also like to give a special thanks to T.K Anand, Marius Dumitru, Cristian Petculescu, Jeffrey Wang, Ashvini Sharma, and Akshai Mirchandani who constantly answer to all of our fancy ... internals and the ability to correctly read and interpret a DAX query plan In this paper we focus on very basic optimizations and we will guide you through the following topics:  How to find the...

Ngày tải lên: 07/08/2015, 11:33

... Trang 1Chapter 1:Introduction to Systems Analysis and Design Trang 2• Understand the fundamental systems development life cycle and its four phases. • Understand the evolution of systems ... Waterfall Parallel Phased Prototyping Throwaway Prototyping Extreme Programming Trang 23Object-Oriented Analysis & Design• Attempt to balance emphasis on data and Trang 24THE UNIFIED PROCESSTrang ... methodology that maps out when and how to use the various UML techniques for object-oriented analysis and design • A two-dimensional process consisting of phases and flows – Phases describe how...

Ngày tải lên: 16/05/2017, 13:42

... Same as candidate 1 Same as candidate 1 Trang 24Feasibility Analysis Matrix – a tool used to rank candidate systems. Weighting Candidate 1 Candidate 2 Candidate 3 Trang 25Sample Feasibility Analysis ... servers and workstations (clients) Same as candidate 1 Same as candidate 1 Software Tools Needed Software tools needed to design and build the candidate (e.g., database management MS Visual C++ and ... 20Candidate Systems MatrixCandidate 1 Name Candidate 2 Name Candidate 3 Name Stakeholders Knowledge Processes Communications Candidate Systems Matrix – a tool used to document similarities and...

Ngày tải lên: 16/05/2017, 14:46

... Requirements and features 1 Mandatory requirements, features, and criteria 2 Essential requirements, features, and criteria 3 Desirable requirements, features, and criteria 1 Mandatory requirements, ... Claims and Performances • Evaluate and Rank Vendor Proposals • Award Contract and Debrief Vendors Trang 26Research Technical Criteria and Options • Magazines and journals • Internal standards ... are used to refine the object requirements definitions identified earlier during analysis, and to define design specific objects – Extension of object-oriented analysis – Attempt to eliminate...

Ngày tải lên: 16/05/2017, 14:46

... DFD that allocates processors (clients and servers) and devices (machines and robots) to a network and establishes: – the connectivity between clients and servers – where users will interface ... Interchange (EDI) • Imaging and document interchange Trang 40Batch Inputs and Outputs Trang 41On-Line Inputs and OutputsTrang 42Remote Batch Trang 43Keyless Data Entry (and Automatic Identification)Trang ... processes, data stores, and data flows that share similar design characteristics. – A design unit serves as a subset of the total system whose inputs, outputs, files and databases, and programs...

Ngày tải lên: 16/05/2017, 14:46

... definition of how: – Files and databases are to be developed and used to store data – The file and/or database technology to be used – The administrative structure set up to manage the data resource ... (DDL) is used to physically define tables, fields, and structural relationships. – A data manipulation language (DML) is used to create, read, update, and delete records in database and navigate ... engine, database utilities, CASE tools, and database development tools. Database management system (DBMS) – special software used to create, access, control, and manage a database – The core...

Ngày tải lên: 16/05/2017, 14:46

... validate and test outputs using some combination of: 1.Layout tools (e.g., hand sketches, spacing charts, or CASE tools. 2.Prototyping tools (e.g., spreadsheet, PC DBMS, 4GL) 3.Code generating tools ... Zoned output places text and numbers into designated areas • Screen output – Graphic output is the use of pictorial charts to convey information and demonstrate trends and relationships that cannot ... Design and Prototyping Output Design and Prototyping Trang 2• Identify several output implementation methods.• Differentiate among area, bar, column, pie, line, radar, donut, and scatter charts and...

Ngày tải lên: 16/05/2017, 14:46

... above. Data is entered o a touch screen display or handheld device Data entry users either touch commands and data choices or enter data using handwriting recognition On PCs, touch screen choices are ... for completing the form. • Minimize the amount of handwriting. • Data to be entered (keyed) should be sequenced top-to-bottom and right. left-to-• When possible use designs based on known metaphors. ... and Prototyping Input Design and Prototyping Trang 2Objectives • Define the appropriate format and media for a computer input. • Explain the difference between data capture, data entry, and...

Ngày tải lên: 16/05/2017, 14:47

... command language that can be used to invoke actions – SQL • Mnemonic syntax is built around commands defined for custom information systems. – Commands unique to that system and meaningful to ... CertificateTrang 25Help Tool Tip, Help Agent, and Natural Language Processing Trang 26Help WizardTrang 27Automated Tools for User Interface Design & Prototyping • Microsoft Access • CASE Tools • Visual ... dialogue State Transition Diagram– a tool used to depict the sequence and variation of screens that can occur during a user session 2 Prototype the dialogue and user interface 3 Obtain user feedback...

Ngày tải lên: 16/05/2017, 14:47

... 17Object-Oriented Design and Modeling Using the UML Object-Oriented Design and Modeling Using the UML Trang 2• Understand entity, interface, control, persistence, and system classes. • Understand the concepts ... the concepts of dependency and navigability. • Define visibility and explain its three levels. • Understand the concept object responsibility and how it is related to message sending between ... provides functionality to read and write to a database. Trang 6Design Relationships - Dependency • A dependency relationship is used to model the association between two classes: – To indicate that...

Ngày tải lên: 16/05/2017, 14:47

... by built and tested prior to programs that use that it. • Roles – Network designer • Designs LAN and WAN connectivity – Network administrator builds and tests • Network architecture standards ... development (more frequently used to describe the entire life cycle.) Systems implementation – the installation and delivery of the entire system into production – Day-to-day operation Trang 4The ... software, new in-house software, and existing software to make sure it all works together. • Roles – Systems analyst • Develops system test data • Communicates problems and issues – System builders...

Ngày tải lên: 16/05/2017, 14:47

... deliverables, and automated tools that stakeholders use to develop and maintain information systems and software. A general problem-solving approach 1 Identify the problem. 2 Analyze and understand the ... Internet to conduct and support day-to-day business activities Types of e-commerce and e-business – Marketing of corporate image, products, and services – Business-to-consumer (B2C) – Business-to-business ... responding to, storing, and exchanging data and information. Trang 10Internal System Users• Clerical and service workers • Technical and professional staff • Supervisors, middle managers, and executive...

Ngày tải lên: 16/05/2017, 14:52

... tools Middleware Testing tools Version control tools Help authoring tools Repository links Process and Project Managers • Process manager application – an automated tool that helps document and ... engineering (CASE) – automated software tools that support the drawing and analysis of system models and associated specifications Some CASE tools also provide prototyping and code generation capabilities ... estimate and assign resources (including people and costs), schedule activities and resources, monitor progress against schedule and budget, control and modify schedule and resources, and report...

Ngày tải lên: 16/05/2017, 14:52

... path analysis to adjust schedule and resource allocations in response to schedule and budget deviations. • Manage user expectations of a project and adjust project scope Trang 4Projects and Project ... includes all rooms and technology that will be needed to complete the project. • Supplies and materials – everything from pencils, paper, notebooks to toner cartridges, and so on. • Money – ... understand their roles and responsibilities • Directing – coordinating the project • Controlling – monitoring progress • Closing – assessing success and failure Trang 11Project Management Tools...

Ngày tải lên: 16/05/2017, 14:53

... Systems Analysis Analysis McGraw-Hill/Irwin © 2008 The McGraw-Hill Companies, All Rights Objectives • Define systems analysis and relate it to the scope definition, problem analysis, requirements analysis, ... design, and decision analysis phases in terms of information system building blocks • Describe scope definition, problem analysis, requirements analysis, logical design, and decision analysis ... outputs, techniques, and steps 4-2 • Identify those chapters in this textbook that can help you learn specific systems analysis tools and techniques What is Systems Analysis ? Systems analysis – a problem-solving...

Ngày tải lên: 16/05/2017, 14:53

... behavior of two actors initiating the same use case is extrapolated and assigned to a new abstract actor to reduce redundancy. – Other actors can inherit the interactions of the abstract actor. – Depicted ... requirements analysis to capture the interactions between a user and the system free of technology and implementation details – During requirements analysis, strive to identify and document only ... main tasks of the actor? – What information does the actor need form the system? – What information does the actor provide to the system? – Does the system need to inform the actor of any changes...

Ngày tải lên: 16/05/2017, 14:53

... Modeling and Analysis Data Modeling and Analysis Trang 2• Define data modeling and explain its benefits. • Recognize and understand the basic concepts and constructs of a data model. • Read and ... attributed entity relationship diagram and describe data structures and attributes to the repository. Trang 3Data Modeling Data modeling – a technique for organizing and documenting a system’s data ... names. • A good data model should be flexible and adaptable to future needs. Trang 42Data Analysis & NormalizationData analysis – a technique used to improve a data model for implementation...

Ngày tải lên: 16/05/2017, 14:54

... sub-• Every process to be factored should be factored into at least two child processes. • Larger systems might be factored into subsystems and functions. Trang 37Events and Use Cases • External ... NUMBER and SHIPPING ADDRESS (which is equivalent to ADDRESS) and optionally: BILLING ADDRESS (which is equivalent to ADDRESS) and one or more instances of: PRODUCT NUMBER and PRODUCT DESCRIPTION and ... and QUANTITY ORDERED and PRODUCT PRICE and PRODUCT PRICE SOURCE and EXTENDED PRICE and SUM OF EXTENDED PRICES and PREPAID AMOUNT and optionally: both CREDIT CARD NUMBER and EXPIRATION DATE An...

Ngày tải lên: 16/05/2017, 14:54

... Object-Oriented Analysis and Modeling Using the UML Object-Oriented Analysis and Modeling Using the UML Trang 2• Define object modeling and explain its benefits • Recognize and understand the basic ... Discover objects and classes, and their relationships. Trang 3Introduction to Object Modeling Object-oriented analysis (OOA) – an approach used to 1 study existing objects to see if they can ... overly complex. 10.Connector – A letter inside a circle gives you another tool for managing complexity A flow coming into a connector jumps to the flow coming out of a connector with a matching...

Ngày tải lên: 16/05/2017, 14:54