St_Mod1_F10 - Module 1: Welcome August 25, 2010 Module...

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Unformatted text preview: Module 1: Welcome August 25, 2010 Module Content: 1. [email protected] is your first true engineering course, and it is in the category of “engineering mechanics”. You will have two other engineering mechanics courses, strength of materials and dynamics. 2. Our course policies are detailed herein, with a few small modifi[email protected] possible based upon your input. 3. This semester, you (yes, you) will be empowered to a great degree to control your [email protected] experience. Module Reading, Problems, and Demo: Reading: Chapter 1 Problems: FBDs review (including in Mastering) Demo: none Homework PlaUorm: hVp:// Course Blog: hVp://[email protected]/[email protected] MAE 2300 Statics © E. J. Berger, 2010 1- 1 [email protected] Details • professor: E. Berger (A ­122 Thornton, [email protected]) • TAs: Mr. John Lamp ( jfl[email protected]), Mr. Patrick Migliorini ([email protected]) • office hours and problem sessions details are TBD based upon your schedule • [email protected] @me and [email protected]: MWF 9 ­9.50, MEC 205 $120-ish (new) ISBN-10: 0136077900 MAE 2300 - Statics Basic concepts of mechanics, systems of forces and couples: equilibrium of particles and rigid bodies; analysis of structures: trusses, frames, machines; internal forces, shear and bending moment diagrams; distributed forces; friction, centroids and moments of inertia; introduction to stress and strain; computer applications. Cross-listed as CE 2300. (Y) MAE 2300 Statics © E. J. Berger, 2010 1- 2 Course Policies • we follow the Honor Code, and the syllabus contains the SEAS ­recommended wording (and some student contact [email protected]); all exams are pledged, homework assignments are not • for the semester project, we will use good [email protected] [email protected] and make sure that all sources are correctly and fully referenced • we will use the course blog for [email protected] all course [email protected], except the gradebook (for which we will use Collab) • • quizzes will be announced at least one class period in advance • • excused absence does NOT NECESSARILY mean excused from work homework to be submiVed in class must be in my hand by 9 am (i.e., the BEGINNING of the class period) on the due date grade appeals must be submiVed in wri&ng within 1 week of the assignment return date for [email protected] MAE 2300 Statics © E. J. Berger, 2010 1- 3 Course Grading • • graded assignments: • • • • • HW problem sets: Mastering (10%), wriVen (5%) technology project: details to be distributed soon (10%) quizzes (10%): about 3 total exams: 2 midterm (20% each), 1 final (25%) aVendance, [email protected]@on, etc.: not explicitly part of the grade, but always useful... extra credit available... • for problem [email protected] submiVed and posted on the blog (this semester, ONLY electronic submissions will be accepted, and only the first 2 neat, correct, concise [email protected] received will be awarded credit) • • each extra [email protected] is worth 1/4 of a homework MAE 2300 Statics excellent/useful/insighUul commentary posted on the blog will also result in extra credit © E. J. Berger, 2010 1- 4 [email protected] and Gejng Help • your first step is always: come to class, work hard and try to understand, perhaps even consult some friends, and aker due diligence... • your next step is to come see me: send email, visit during office hours, or make an appointment (phone is usually NOT the best way to reach me) • other [email protected]: buy study guides such as the Schaum’s outline listed on the syllabus, pay a tutor • friendly advice: join a study group of at least 2 ­3 people (including students from the other [email protected]), if not more; alot of great learning takes place in a [email protected] environment like a study group • more friendly advice: take advantage of review sessions and problem sessions ­ ­we will do these periodically and announce @mes and [email protected] in advance • Amazon, $16 (new) we will also link to lots on online content in support of the class MAE 2300 Statics © E. J. Berger, 2010 1- 5 Video [email protected] to problems • I authored a set of video [email protected] for this textbook, and (if you purchased a new book) you have access to them MAE 2300 Statics © E. J. Berger, 2010 1- 6 “Mastering” [email protected] • we will be using the “Mastering” plaUorm for electronic homework submission in this course. • Mastering: • our course ID: MAE2300UVAFALL2010 • • enroll in our course using the course ID above • • use the account number packaged with your book to start your Mastering account if you bought a used book, you will need to buy stand ­alone access to the Mastering plaUorm ($50) we will be learning the Mastering plaUorm together, so your feedback will be [email protected] ­ ­please let me know your thoughts about the pla3orm, as well as how we use it! MAE 2300 Statics © E. J. Berger, 2010 1- 7 Why use Mastering? • Mastering gives you: • specific feedback • hints • lots of tries, and the ability to collaborate • • • Mastering homework is not pledged! the ability to do problems (and submit answers) symbolically Please feel free to work together! excellent [email protected]@cs related to student performance, @me on task, etc. Mastering does not give you: • detailed hand ­wriVen feedback from a grader • prac&ce wri&ng good solu&ons MAE 2300 Statics © E. J. Berger, 2010 1- 8 Mastering data answered correctly requested answer ave. # wrong answers per student ave. # hints per student MAE 2300 Statics © E. J. Berger, 2010 1- 9 Know about this? • has lots of answers to lots of [email protected] I don’t know what the merger of Cramster + Mastering will be like (i.e., useful or not) • Google turns up these other sources for [email protected] What to do...make a good decision about using these resources. Maybe use them when you study for exams? MAE 2300 Statics © E. J. Berger, 2010 1- 10 Technology Content • • how do we use these notes? (I’m not sure, actually, can you tell me?) a summary: • • podcasts/videos: I will be podcasting all lecture modules and posting them on the blog; this also includes video problem solutions and tutorials • Arcade: a fun visualization tool and simulator for structures that we will see and use toward the middle of the semester • • blogging: we will use the course blog as a way to communicate--I encourage all of you to get an account and start hacking (subscribe to the RSS feed) Collab: we will occasionally do some surveys, and we will use some other features of Collab; homework solutions will be posted there and we will use Collab’s gradebook • email: please read your email a request: the success of some of this technology relies upon you participating, meaning you should work this into your DAILY study routine--check the RSS feeds, review the podcasts, post your course questions as comments on the blog, use email to communicate, etc. MAE 2300 Statics © E. J. Berger, 2010 1- 11 Course [email protected] and Outcomes FBDs, method of sections, internal forces,V&M, moment of inertia MAE 2300 Statics © E. J. Berger, 2010 1- 12 The Course Blog hVp://[email protected]/[email protected] MAE 2300 Statics © E. J. Berger, 2010 1- 13 Lecture Podcast Content • the lectures are designed to contain the “[email protected]” course content • you can download and view these at your leisure • the “dynamic” course content will be presented live in lecture, and NOT recorded • the class period breakdown will usually be: • • MAE 2300 Statics ~30 minutes of recorded material which sets up the concepts, theories and [email protected] ~20 minutes of NOT recorded material which includes physical demos, sokware usage, and [email protected] problem solving © E. J. Berger, 2010 1- 14 Video Problem [email protected] • these [email protected] videos show complete [email protected] to problems from our text, including [email protected] and discussion • they show several useful things: • the [email protected], with all math • the steps in the [email protected], including “what to watch out for” • good problem solving technique • [email protected] between this problem and others that we have solved • • MAE 2300 Statics © E. J. Berger, 2010 the spoken word adds great value above the usual “[email protected]” wriVen [email protected] on the page download and won’t regret it 1- 15 Concept: [email protected] • from Hibbeler (p. 3): “[email protected] can be defined as that branch of the physical sciences concerned with the state of rest or [email protected] of bodies that are subjected to the [email protected] of forces. In general, this subject is subdivided into three branches: rigid ­body mechanics, deformable ­body mechanics, and fluid mechanics.” • Mechanics: (engineering or applied) mechanics is the branch of physics concerned with the analysis of the [email protected] of forces on maVer or material systems ( • external loads: forces, pressures, etc. exerted on a body by external means, including point loads, moments, torques, pressures, as well as body forces due to gravity • rigid body: a body which is not capable of deforming (this is a useful [email protected], but obviously NO body is truly “rigid”) • dynamics: governed by Newton’s law, ΣF = ma • [email protected]: special case of Newton’s law, ΣF = 0 • deformable body: an [email protected] body which is NOT rigid (i.e., can deform or change shape) • internal forces: the forces [email protected] within a structure that react against the external loads (e.g., shear force or bending moment) • free body diagrams: the key tool in this course... MAE 2300 Statics © E. J. Berger, 2010 1- 16 ...
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