机械制造与设计.docVIP

Pingdingshan Industrial College Of Technology BTEC HND in Mechanical Principles /Mechanical engineering Unit 5 Mechanical Principles Assignment Name of Student Xu hanyang Unit Title Unit 5 Mechanical Principles Assignment Title Analysis of complex loading systems Assignment No Assignment 1 Name of Tutor Bai Xiao Name of Internal Verifier Wang Le Submission Deadline Nov 17, 2011. Outcomes and Assessment Criteria Outcome Outcomes Assessment criteria for pass To achieve each outcome a learner must demonstrate the ability to: Feedback Tutor’s decision Internal Verification 1.Analyse complex loading systems identify the relationship between longitudinal and transverse strain. 1a determine the effects of two-dimensional and three-dimensional loading on the dimensions of a given material. 1b determine volumetric strain and change in volume. 1c define Bulk Modulus and recognise the relationship between elastic constants. 1d 2. Investigate the behaviour of loaded beams and cylinders recognise the relationship between bending moment, slope and deflection for a loaded beam 2a determine slope and deflection along loaded beams 2b determine the principal stresses that occur in a thin-walled pressure vessel 2c determine the distribution of stress in a thick-walled cylinder when subjected to pressure 2d Merit Grade Criteria Merit Descriptors Indicative Characteristics Feedback Tutor’s decision Internal Verification M1.figure relationship out Clearly describe the relationship among elastic constants. M1 M2 Accurate calculation The calculation of volumetric strain and volume change is right M2 M3 Make a clear expression Accurate and fluent use of English. M3 Distinction Grade Criteria Distinction Descriptors Indicative Characteristics Feedback Tutor’s decision Internal Verification D1 Identify expression for complex loading system A leaner must have a comprehensive understanding two-dimensional and three-dimensional loading expression D1 D2 take responsibility for managing