Programs All Engineering (NQF Level 8)
Subject Name Engineering Modeling
Subject Code EN 221
Duration 13 Lecturing Weeks, 1 Examination Week,
1 Mid-Semester Week
Contact Hours 6 Hours/Week
Credit Points 18
Delivery Mode On campus
Prerequisites EN 211 Computer Aided Design
Corequisites Nil
Subject Coordinator Professor Nicholas Lambrache, PhD
Synopsis
The subject introduces students to Engineering Modeling and Simulation and offers solutions for engineering analysis and design problems using physics-based computational models. The applications relate to Civil, Electrical, Mechanical and Mining Engineering systems and structures. The included topics address theoretical and practical aspects encountered in model creation, analysis, and optimization of virtual prototypes, with significant cost reduction of the development cycle. Also included are topics dealing with advanced static, dynamic, fluid flow and thermal analysis applied to all fields of engineering and verification problems.
Subject Topics
- Specific Features of Engineering Modeling and Simulation: Engineering modeling and computer simulations as substitutes for prototyping and experiments. The benefits of evaluating the behavior of engineering systems by virtual prototyping and simulation. The need for verification problems. Main components of software user interfaces for virtual prototyping and simulation. Steps in creating engineering models from 3D geometric models.
- Fundamental Concepts in Modeling and Simulation: Stress and strain matrices. Finite Element Method. Vibration modes and buckling of structures. Variational statement and equations of heat transfer. Solutions of transient heat conduction governing equations. Physical capabilities of flow simulations and governing partial differential equations for laminar and turbulent flows. Conjugate and radiation heat transfer. Multi-flows. Boundary conditions.
- Static Simulations:Static analysis of parts, sheet metal and assemblies. Displacement contacts, bolt connectors, remote loads, non-uniform pressure distributions and shrink fits. Beam diagrams and static analysis of trusses. Analysis of systems under bearing loads. Composite shells.
- Dynamic and Non-Linear Simulations: Modal and harmonic analysis. Buckling, drop test and fatigue analysis. Modeling and optimization of systems under combined pressure, thermal and earthquake loads. Non-linear analysis of contacts. Elasto-plasticity modeling and analysis. Random vibrations, thermal contact and thermal stress analysis. Steady-state and transient thermal analysis of electronic components.
- Engineering Modeling and Simulations for Thermo-Fluidic Applications: Structure and interface of flow simulation applied to ball valve design, flow in porous media and conjugate heat transfer. Computational fluid dynamics with mesh optimization in evaluation of hydraulic losses, drag coefficients, non-Newtonian flows and heat exchanger efficiency. Building and electronic cooling simulations.
- Validation Applications in Engineering Modeling: Static, buckling and vibrations verification problems. Unsteady heat conduction and thermoelectric cooling verification problems. Laminar and turbulent flows in pipes.
Subject Learning Outcomes SLOs
On completion of this subject, students will be able to:
1. Describe the benefits of engineering modeling and simulation, the need for verification problems, the modeling software interfaces and the steps in creating engineering models.
2. Explain the fundamental theoretical concepts in engineering modeling and computer simulation related to the fields of statics, dynamics, fluid mechanics and thermodynamics.
3. Perform modeling and static simulation for components and systems encountered in all fields of engineering.
4. Apply advanced modeling and simulation for components and systems under dynamic and non-linear loading conditions. The gained skills and abilities should cover the large spectrum of all engineering fields.
- Outline the structure and interface of computational thermo-fluidic applications and perform advanced simulations related to the fields of civil, electrical, mechanical and mining engineering.
- Undertake simulations for engineering models with known analytical solutions, compare the results, discuss the accuracy of computer modeling and understand its limitations.
Assessment Tasks and Weightings: 100% Continuous
To obtain a pass grade in this subject 50% overall must be achieved. There is no final examination for this subject.
Students must also refer to the Subject Assessment Details.
Assessment 1 – Test: Individual computer-based test on Static, Dynamic and Non-Linear Simulations. This test contributes 10% towards the final grade of this subject.
Assessment 2 – Test: Individual computer-based test on Thermo-Fluidic Simulations. This test contributes 10% towards the final grade of this subject.
Assessment 3 – Computer-Based Assignment: Advanced Thermo-Fluidics Simulation. This test contributes 20% towards the final grade of this subject.
Assessment 4 – Computer-Based Assignment: Static, dynamic and non-linear simulation for engineering models with known analytical solutions. This assignment contributes 20% towards the final grade of this subject.
Assessment 5 – Computer-Based Assignment: Thermo-fluidics simulations for engineering models with known analytical solutions. This assignment contributes 30% towards the final grade of this subject.
It is important that all students familiarize themselves with the University of Technology assessment guidelines including those on plagiarism. See the web site of the University of Technology at http://asix.unitech.ac.pg/apps/pnguot/?q=unitech/policies. It is also important to note that any software or hardware related damage to the computers or other laboratory facilities attracts severe disciplinary measures.
Mapping
SLO are mapped to each of NQF, CLO, GA and AT. Assessment Tasks are linked with the Topics that provide material to enable their completion.
| SLO | SLO to NQF | SLO to CLO | SLO to GA | SLO to AT | SLO to EA Stage 1 Competencies | |
| 1 | Knowledge and Skills | 2, 3 | Critical Thinker, Technology Savvy | 1 | 1.1, 1.2, 2.1, 2.2, 2.3 | |
| 2 | Knowledge and Skills | 2, 3 | Critical Thinker, Technology Savvy | 1 | 1.1, 1.2, 2.1, 2.2, 2.3 | |
| 3 | Applications, Knowledge and Skills | 2,3,4,5,6 | Critical Thinker, Technology Savvy | 1 | 1.1, 1.2, 2.1, 2.2, 2.3, 3.4 | |
| 4 | Applications, Knowledge and Skills | 2,3,4,6,7 | Critical Thinker, Technology Savvy | 1 | 1.1, 1.2, 2.1, 2.2, 2.4, 3.4 | |
| 5 | Applications, Knowledge and Skills | 2,3,4,6,7 | Critical Thinker, Technology Savvy | 2, 3, 5 | 1.1, 1.2, 2.1, 2.2, 2.4, 3.4 | |
| 6 | Applications, Knowledge and Skills | 2,3,4,6,7 | Critical Thinker, Technology Savvy. | 4, 5 | 1.2, 1.4, 2.1, 2.2, 2.3, 3.4 | |
Engineers Australia Stage 1 Competencies
| 1. Knowledge and Skills Base | 2.Engineering Application Ability | 3. Professional and Personal Attributes |
| Comprehensive, theory based understanding of the underpinning natural and physical sciences and the engineering fundamentals applicable to the engineering discipline. | 2.1 Application of established engineering methods to complex engineering problem solving. | 3.1 Ethical conduct and professional accountability. |
| Conceptual understanding of the mathematics, numerical analysis, statistics, and computer and information sciences which underpin the engineering discipline. | 2.2 Fluent application of engineering techniques, tools and resources. | 3.2 Effective oral and written communicator in professional and lay domains. |
| In-depth understanding of specialist bodies of knowledge within the engineering discipline. | 2.3 Application of systematic engineering synthesis and design processes. | 3.3 Creative, innovative and pro-active demeanour. |
| Discernment of knowledge development and research directions within the engineering discipline. | 2.4 Application of systematic approaches to the conduct and management of engineering projects. | 3.4 Professional use and management of information. |
| Knowledge of engineering design practice and contextual factors impacting the engineering discipline. | 3.5 Orderly management of self and professional conduct. | |
| Understanding of the scope, principles, norms, accountabilities and bounds of sustainable engineering practice in the specific discipline | 3.6 Effective team membership and team leadership. |
Unitech Graduate Attributes
| Attribute | Academic Dimension | Personal Dimension | Transferable Dimension |
| Lifelong Learner | Sustained Intellectual Curiosity and Use of Feedback Reflected in Work | Sets Aspiration Goals for Personal Improvement and Career Growth | Takes responsibility for one’s learning and development. |
| Critical Thinker | Use of Inference Rules in Analyzing and Finding Solutions for Complex Problems | Non-Emotional, Logic and Critical Thinking Abilities in all Situations. | Ability to find solutions to problems by using logical and imaginative thinking. |
| Effective Communicator | Abilities in Articulate Discussions | Skills in Delivering high Quality written essays and oral presentations. | Ability to communicate and negotiate with others and to listen to them. |
| Cultural Modernist | Familiarity with international standards, world cultures and human rights. | Tolerance of the religions and cultures of others. | Ability to work in a multicultural setting and comprehension and tolerance of religious and cultural differences. |
| Moral Uprightness | Understand and act upon the ethical responsibilities of their actions. | Character of acting in a morally upright way in all situations. | Professional behaviour at all times. |
| Technologically Savvy | Familiarity and use of technologies appropriately. | Keeping up to date with innovations. | Character of accepting new technology and quickly adapting to it. |
Graduate Statement
The mechanical engineering graduate will have the skills and ability to systematically apply the engineering knowledge in an ethical and morally responsible manner in providing practical and sustainable solutions to engineering problems while upholding a level of sensitivity to social, cultural, legal and environmental issues in society.
Mechanical Engineering Course Learning Outcome CLO
| Course Learning Outcomes | Engineers Australia Stage 1 Competencies |
| Possession of a deep understanding of the sciences, math, information systems and engineering fundamentals that underpin the mechanical engineering discipline. | 1.1, 1.2 |
| An in-depth understanding of the body of knowledge that forms the mechanical engineering discipline. | 1.2, 1.3 |
| Collection, synthesis and application of information within the mechanical and related engineering disciplines. | 1.4, 1.5, 2.1, 2.3, 2.4, 3.4 |
| Undertaking research, analysis & evaluation of ideas and concepts within mechanical engineering. | 1.3, 1.4, 1.6, 2.1, 2.3, 2.4, 3.2, 3.4 |
| Applying problem solving skills to complex mechanical engineering systems and processes. | 1.1, 1.2, 1.3, 1.4, 1.5, 2.1, 2.2, 2.3 |
| Undertake mechanical engineering design and manage engineering projects. | 1.6, 2.2, 2.4, 3.1, 3.2,3.3, 3.4, 3.5, 3.6 |
| Communication via multiple media to diverse audiences, undertaking team roles, teamwork and providing team leadership. | 2.4, 3.2, 3.3, 3.4, 3.5, 3.6 |
| Behaving in an ethical and professional manner and respecting others. | 1.6, 2.4, 3.1, 3.4, 3.5, 3.6 |
| Being cognisant of the importance of sustainability and the environmental impact of engineering. | 1.5, 1.6, 3.1, 3.3, 3.4 |
Student Workload
The total subject workload for the average student is a nominal 150 hours, based on a 15 week semester with of lecturing and laboratories, one mid-semester week and one examination week as per PNG National Qualification Framework.
Subject Textbook
- Engineering Modeling and Simulation in SolidWorks – Tutorials
References
- Dassault Systems – SolidWorks Simulation, Concord, Massachusetts, United States, 2014
- Dassault Systems – SolidWorks Flow Simulation, Concord, Massachusetts, United States, 2014
Readings and Resources
- Cook, R. – Finite Element Modeling for Stress Analysis, John Wiley & Sons, New York, 1995
Relevant Unitech Policies
- It is important that all students familiarise themselves with the PNGUOT Assessment Guidelines including those on plagiarism and other relevant policies. These policies are available at the PNGUOT website: http://asix.unitech.ac.pg/apps/pnguot/?q=unitech/policies