Aerospace Simulation and Modelling

Learning Outcomes

Subject Specific Practical Skills

Having successfully completed this module you will be able to:

• Use simple numerical programs to solve physical problems
• Design, write and debug Object-Oriented programs
• Produce appropriate dynamic models for mechanical problems.
• Apply modelling and programming environments to simulate and visualise mechanical effects including vibration.

Knowledge and Understanding

Having successfully completed this module, you will be able to demonstrate knowledge and understanding of:

• Models of continuous mechanical systems and the causes and effects of vibration
• Application of Raleigh’s method to approximate natural frequencies and modes of vibration
• The principles of Object-Oriented programming, including the concepts of inheritance, abstraction and polymorphism.
• The use of programs for numerical solution of mathematical equations.
• State-space methods to transform between circuit problems and mechanical systems.
• Mathematical techniques for the analysis of aerospace system problems.

Subject Specific Intellectual and Research Skills

Having successfully completed this module you will be able to:

• Effectively integrate reusable OO libraries.
• Analyse, enhance and debug existing OO programs.

Transferable and Generic Skills

Having successfully completed this module you will be able to:

• Select an appropriate numerical approach for different simple mathematical problems.
• Model software systems before implementation.
• Address novel design challenges by choosing appropriate analysis and design methods.

Advanced Programming

• Introduction to Object Oriented Programming (C++)
• Encapsulation; Classes; Objects; Inheritance; Polymorphism
• Programming in C++: The software lifecycle; Source code control; Testing
• Use of OO modelling tools, including UML
• Exception Handling; Storage (Files & Databases); Dynamic memory allocation
• Introduction to data structures; Trees and Graphs; Stacks queues and linked lists; Searching and sorting
• Programming Skills; Use of high-level program development tools; Collaborative programming

Numerical Programming

• Introduction to numerical simulation
• Numerical solution of ODEs
• Numerical simulation of PDEs

Application of circuit and mechanical analogies.-

• State space method; definition of terms: state-variable, state-matrices, etc.; consideration of the elements that store energy; formation of equations, in particular the formation of matrix equation in the form of X = A.X + B.E, nature of these terms.-
• Solution of state space equations by Laplace transform methods;
• solution of simple circuit network problems.
• Solution of state equations in the time domain (linear-time invariant case): s
• Solution of the state differential equation (exponential of a matrix, its computation, forced- and free response in the state-space setting).

Approximate Frequency Analysis,

• Rayleigh’s, Dunkerley’s Methods Lagrange’s Equations-
• Continuous Systems Vibration of Strings, Rods, Beams and derivation of equations of motion.-
• Application of Rayleigh’s method to approximate natural frequencies.
• Vibration and Instrumentation, Transmissibility.

Laboratory Coursework

• Cantilever vibration experiment

Teaching and learning methods

The content of this module is delivered through lectures, module website, directed reading, pre-recorded materials and practical sessions.

Students work on their understanding through a combination of independent study, preparation for timetabled activities and tutorials.

Students work on their practical skills and professional skills through laboratory sessions and discussion tutorials.

Resources & Reading list

General Resources

Online documents. Lecture notes and details of assignments and assessment schemes will be provided on line.

Laboratory space and equipment required. IC fabrication facilities

Software requirements. The student version of Orcad/PSpice and LTSpice

Textbooks

Spencer R R & Ghausi M S (2003). Introduction to Electronic Circuit Design. Prentice Hall.

Williams T (2005). The Circuit Designer's Companion. Newnes,.

Sedra A S & Smith K C (2004). Microelectronic Circuits. OUP.

Lidwell W, Holden K and Butler J (2010). Universal Principles of Design. Rockport Publishers Inc.

Assessment strategy

This module is assessed entirely by a combination of coursework exercises, presentations and reports, along with demonstrations.

There is no referral opportunity for this module.

There is no external repeat opportunity for this module.

Summative

This is how we’ll formally assess what you have learned in this module.

Repeat Information

Repeat type: Internal