CE+2450

CE+2450 - CE 2459 STATICS SPRING 2W Instructor: Carolyn Y,...

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Unformatted text preview: CE 2459 STATICS SPRING 2W Instructor: Carolyn Y, Jacobs Ofiicei 3532 CEBA Phone: 5783177 Email: cjacobsgwflsuedu Office Hours: mes 12:45 AM -= 2:00 PM; Otlter'timcs by spot, Textbook: ' ' -. r a” as . Bedferd&Fowler,3’dEd, not required): _ u- on. set by Gmesh Thioyrajao (a collection of’cxample problems, many done in class). Obtained from ASCE at beginning of semester. Basic Objectives; This comse is an introduction to the application of basic physical and mathematical principles to the analysis of forces in simple, static rigid bodies, oftliis towel class is to begin Although many people think this course is a “weed-om” course, the potpose of this class is to help the student think like an engineer, or at least begin to, In this respect, statics is seeessstily hard. Whose this course veers from math and physics courses is that an engineer is a “problem solver”, a “trouble- shooter”, a of sessions.” Statics is the first course that helps to train the We in the broad thinking process needed to become so effective professional, Due to the natw’c of this course, a large amomt of material must be covered, leasing very little time timing the lecture to backtrack over previously covered material, to the mother of example problems done in class, and to shonen the shady mininnim amount of required to order for the student to grow the material in this course, it is expected that the stodent would; 1.. Go through all the example problems in the text on the canin topic; 2, Follow the instructions given in class in how to approach a problem; 3, Take advamag ofthe Modal available tines times a week, or if unable to attend, set up appoiinmem times with the instructor, Student Outcomes Objectives: 1, able to understand the “language of mechanics”: resilient vs, equilibrium problems; recognize particle vs, rigid hm statics and the associated solution methods, 2.. statically mam vs. indeterminate problems and how to simplify cottain systems so that they are statically detmninato. 3,. Be able to draw from all past math knowledge and apply these tools to the solution of practical, simple engineering problems in resultant and equilibrium of force systems including trusses, frames and machines, centroids and centers of gravity, fluid statics, fiction, and moments of inertia, Assessment of Student Outcomes: l, M will be assigned each class period from the regular textbook, or from eelass Its ptnpose is to help the snident develop the understanding of Wesley and application of s m (usually) concept to practical engineering problems. Homework assigned on one day is due by the beginning of the next class lecture. N 0 homework is accepted once the lecture begins. All homework must be submitted on engineering paper in the form specified in the attached sample, in order to obtain fiillest credit. Solutions to assignments will be available in the Semester Book. Homework will count only if the exams average is a passing grade. 2. Igs_ts will be used to determine the students’ ability to apply several concepts to a single problem in order to obtain the desired solution. There will be three exams throughout the semester each of one hour duration and will be given on designated Friday evenings from 4:30 — 5:30 PM as stated in the schedule of classes. Any conflict with these exam times must be worked out with the other instructor. No makeup exams will be given without a minimum of 24 hours advance notice grid adequate proof of an emergency situation. If advance notice is not possible in the emergency situation, the instructor must be notified no later than one week after the scheduled day of the exam in order to be eligible for a makeup exam. Any student who has been tested eligible for extra time on exams by the Office of Disability Services (ODS) must take their exams at ODS and comply with their rules and time schedules. (See instructor for details.) 3. A final exam of two hours duration will test the ability of the student to synthesize related concepts from course topics and to demonstrate their assimilation of the course material. This will be given as a group exam on Monday, May 10, 12:30-2:30 PM. Assessment of Course — Methods and Improvements: 1. Students will be surveyed for an assessment of the methods used and potential improvements (usually afier the final drop date). 2. An ad hoc group will be assembled to review the first survey results and meet with the instructor to discuss concerns and suggestions for improvement. 3. The instructor will provide a response to review comments. 4. Improvements that can be made in the course of the semester will be implemented. The results of this assessment will be evaluated by the instructor and an action plan for improvement developed for implementation in the subsequent semester. Other Requirements of the Course: 1. Blue books: Students must submit four full-sized blue books (preferably 8 I/2” x 11” and minimum of 8 leaves — 16 pages) to the instructor within the first two weeks of class. No student will be allowed to bring their own blue book to the exams. The student’s name must be on the back upper left corner to be properly credited. 2. Attendance: Attendance is mandatory for the student to fiilly obtain the “student outcome objectives.” After three consecutive absences, the student’s name will be turned in to the Dean of Engineering office for appropriate action. Grading: The final grade will be based on the following point scale: A 383 w 425 points (“distinguished mastery of the course material”) B 340 — 382 (“good mastery of the course material”) C 276 — 339 D 255 - 275 F < 254 The points will be accumulated in the following manner: One Hour Exams 3 x 75 225 pts. Two Hour Final Exam 150 Homeworks ( approx. 3? sets) :9 425 pts. NOTE: Any grade change you see justified should be brought to the attention of the instructor within one week of receiving the grade (includes exams and homeworks). Semester Book: Only the exam scores will be posted in the semester book (accessed via PAWS) so that the 60% requirement before including homeworks will be obvious. The student is expected to verify on a regular basis that all information entered is correct. Please inform the instructor immediately if any diSCrepancies exist. NOTE that Semester Book does not necessarily give the correct final grade. It is only to give the student an idea of where they stand. Answers to Universal Complaints about Statics: 1. Too much homework. The homework assigned is the minimum required to get a basic understanding of the concept presented in lecture. Students are told repeatedly they must work more problems than just the homework in order to obtain a good “feel” for the application of concepts. 2. Only one hour to work the major exams. Methods presented in the lecture usually consist of a faster way of solving a problem. Many students may have learned a certain way in physio andr’or math and are reluctant to let go of the old method and learn a “new” method. Due to the time factor on the exams, the problems are designed to test the students” ability to ascertain what the problem requires and the best method for achieving its solution. However, the instructor is at liberty to test a particular method. Furthermore, the students will, throughout their academic and professional careers, be required to perform optimally under time constraints. There are several old exams “out there.” The best way for the student to determme comprehension of exam material in the required time frame is to use the old exam as a practice test with timer AEIEB THOROUGHLY STUDYING THE MAERIAL, NOT THE OLD EXAM!!! Very few students actually do this, to the detriment of their performance on their own current exam. _CE 2450___ STATICS -: _ SPRING 2004 Dste , _ _ Chapter Text Seption Hwk #L _ Tentative HWICO'mments“ 214511 iChaQter1—2.1;Introducti9n, vector laws _ " _ ' 117,121,122 23.an '2.2-2,3 __2Drectangularcomponents ' _ _ 2.17.2.56',2.53 26-day] 2.4 _ _ 3D rectaqgular components (angles) u 2.50, 2.?3, 2.87 28-Jan: __ 2.52.5 3__D_Compo11ents; aatprouucs __ ' 12312111131120 3f.'1-_._lanE Fae-2.7 ___jVectorfross prqqucts' _ __ _ 2141,2144 2-F_e_b ohgpter 3 __Igo equilibrium, pyfleys __ _ 3.25, 3.37, 3.55 4-Fet; _ _ 59 resultantsfequilibrium _ .' 3.70, 3.105 8-Fe9 Chapter 4.14: Rigid body statics (ni'oments 2f), 30) _' 4.3, 4.23. 4.63 9—Feb_i __ 4.14.5 FMoment abputaline;__goup1es ' __ 45144924115, 11.0. ___11—Feb __ ___i'4.54.6_ Couples, chlsystems. squivafence ! 10 4.1483462 15-Feb 45 __ 20 requction __ 11' 4.129,4_1_3_5,4.139 __ 157F913 4.55p.1791eagfieductior_t(30) ' __ _ ' _ " __ _12 (11.0.12), 4150,4154 13—5125, Chapggr 5.1-2 Rigid body_eguilibriur'r_1(FBD) __ _13 512,520 20-Fe_b! = r' Exam 1143053015111) fsb23—Feb251 _ __ , _; MARDI (53113 HOLIDAYS 27-Feb 5.2 2p applications .' 14 “524.542.5149 " 1-_Mar 5.3 Properfimpropsrsuppoflsi 15 15,57,575 _ 3-M_ar. 5.4 __ __ 3le_uppor1types _ __ __ 16 egtga FBD's(5._1_11,5.11?_’) S-Mar! .54 _ ,SQappiications _ _ 17 5.99, 5109,5115 " __ __ 8~Mar'___ ' __55 __ =2I= 3:31: membe'is 1s 5126,5128 ___10—Mar Chapter 6.1}251ructurés: trusses-'(lqyjoints) ' ,- 19 16.6, 6.9 __12—Mar 6.3 'Trusses bysections _ _ 20 £_6.45,6.54 15-Mar. ' 6.5 _ 'Fgmesmgid __ ' q __ ' 21 535,699 1__'7"-Mar§ 6.5 _ Frames: nonngigg" ' __22__ 6.78,6.81_,6_.85 192Mar; a '_ _j' __" ___Exam2(4:so-5:30PM) _ 2‘2'_'-'Mar 5.5 Machines ". . . ' .g 23 599, 6.107. 6.110 24_-'Mar Chapte_r 7.1 Centrq1ds: byintegragior; _ __ . 24 711,717 26-Mar 7.2 __ Centroids: bycomposits areas !_ 25 .733, 7.34 29-Mar " 3.3 Distributed'lqus __\___ 25 __ 17.52, 7.55 31-Mar _ 7.21 _ "fientroids: qfcomposite uotumgsslines 23 !7.58.7.76,7_34__ 23115} "7.5 Pappus Gulqin'gs theorem _ 23 _(_?.86, 7.87), 7.96_,_7__._$7 Apr.5-Apr.9 .' _.:SPRING BREAK- _ . 12-Ap’f' chapter 3.1 “Mpments of inefii3_2_ by integration _ _ , 29 8.13, 515,534 w____ __ 1441th '82" __ Manerjgs ofinerlia:'l'3.§._'|'_.__ 8.38, 8.58, 8_.§_1; Final drop gay 16-Apr handout Rolled sé_t:_tions(P.A.T.) __ __ = 31 _ 11.0.. 8.62, 3.54__ _ ___ "'1'é-Apr _ 8.1. 52' Products oanertiaanteg. and 11.11.13 32 13.15113)! integrauon);_§g; 5.902. 8.92911): Ix. Iy, lxy{P_A'_l')__ Zaq-Apr _ H 835400105 Principal mgmefits of ineflia _ 33 8.9911 8.92 as stated ir_1 pygblem 23AM, ' " g ' __ _ Exams {4:30-§:_SOPM} zsiA'pr; ',cnap_1er9.1 T'Ein'ction:“gonditions o'r'inotial 34 5.31, 9.10, 9.21 23-Apr;__ ' 3W“: ‘n E afigégzli-nféfi “:13 5,1335% 11,235 E 3 71.3.3512 £1.11 53 3 ' . a g 11 23511 E a 1155 3.11 E 3 _an 1912a. Wedges. - _ 35 944191591933 __j.9.2d ' {3911 friction _, W35 9.129, 9.131 Chapter 10.8 _l_-_l_ydrostat{c problemsjvoiume analogy) __37 10.94, 10.97 _ ._J 1231:1239 PM 00M TEA” Gfi'o'UiD FINAL EXAM paE, JOHN G. Conu'n's'ilflr "m lumumc m1: ‘ PROBLEM Mo. 2—}; . - PaoaUE-mfim NOT {69 Cohen Ffi’afl (600K. 0£T£Rm~£ THE gpmmwcmrs “OF , .IALONG 014mm 9; 5 (2) x'ANDJ’ ; (3) fab-1J4. a) r; 2 Raw r (was! No.9”) .c;= 94.03: warms a.- =éoodl)m50 -= (meow-643) . m: 4- fl ' - 'i .€'=stn91"(I00‘)flh " '5 I x ' .- - mum OF shoes.“ an" ' F - F. u 5°“ E'IOO# " shim": 333.60"- IVE- "fiflflflJt’awo/omc) *3. 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CE+2450 - CE 2459 STATICS SPRING 2W Instructor: Carolyn Y,...

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