Semester Mean Problem Set Grade AY22-1 (n=269) 85.5% AY22-2 (n=158) 86.7% AY23-1 (n=219) 88.2% (Initial Submission)Figure 2 shows the distribution of grades for the initial submission of this problem set in AY23-1, in addition to self-reported data from students on time spent completing each of the twoportions of the assignment (the initial and revision submissions). Figure 2 Problem Set 3 Grade and Time Data, AY23-1The time data (the yellow and blue plots) displays an interesting trend. Students who received aninitial grade of a “B
based on average test scoreswith partial credit. In my implementation, the course topics were grouped into categoriescorresponding to grade levels D, C, B, and A. Each category has 3-5 topics [D1-D5, C1-C4, B1-B3, and A1-A3], and the corresponding grade is earned if a short test for each topic (or in somecases, a pair of topics) in the category is “Approved”. A grade of Approved is earned fordemonstrating A-quality work (only minor errors permitted). A grade of “ConditionallyApproved” is earned for demonstrating B-quality work, with full approval being earned throughwriting corrections. A grade of “Not Yet Approved” is assigned for demonstrating C or lowerquality work, with full approval requiring another test of the same topic to be taken. In
indicatedthat they strongly preferred a traditional structure (65%) over a flipped structure (13%) eventhough the videos were identical and the class structure was very similar to the first instructor’sclass. The third instructor’s students also preferred the traditional structure, but not sodramatically. For the instructor whose students preferred the flipped structure, we learned thatSTEM majors tended to prefer the flipped structure more than non-STEM majors, and studentsinvolved in extracurricular activities also tended to prefer the flipped structure. Gender did notaffect students’ preference for the flipped structure, and finally, students who anticipated gettingan A or B in the class tended to prefer the flipped structure.IntroductionFlipped
isolating bodies. Figure 3: Level 03-1 shows car A isolated to find the force between the two bodies (left), and Level 03-2 shows both cars, A and B, included in the system (right).Falling Game for Identifying Support ReactionsAnother important skill when drawing a FBD is replacing environmental connections withequivalent forces and moments. Students often struggle to recall the appropriate substitution fortypical supports, such as pins, rollers, fixed connections, etc., in 2D and 3D. To give studentspractice recalling support reactions, we developed a mini game in which students are given asupport reaction goal they need to match such as “connections with at least one momentreaction”. In the mini game itself, small drawings of
, 31(1):30–43, 2000.[3] D. Fisher, P. Cornwell and J. Williams, "Teaching dynamics using interactive tablet PC instruction software," 2007 37th Annual Frontiers In Education Conference - Global Engineering: Knowledge Without Borders, Opportunities Without Passports, Milwaukee, WI, 2007, pp. S3J-3-S3J-4, doi: 10.1109/FIE.2007.4417887.[4] DyKnow. http://www.dyknow.com/[5] Swithenbank, S. B., & DeNucci, T. W. (2014, June), “Using a “Flipped Classroom” Model in Undergraduate Newtonian Dynamics,” Proceedings of the 2014 ASEE Annual Conference & Exposition, Indianapolis, Indiana. 10.18260/1-2—23249[6] Le, X., & Ma, G. G., & Duva, A. W. (2015, June), “Testing the Flipped Classroom Approach in Engineering Dynamics
authors'institution. This paper details the application design, analysis assumptions, calculations,technical challenges encountered, development environment, and content development. The keyfeatures of the app are discussed, which include: (a) coordinate system identification andplacement, (b) automatic mapping of a stairs model in-situ, (c) creation of a virtual 2-dimensional staircase model, (d) object detection and tracking of people moving on the stairs, (e)image recognition to approximate people's weight, (f) overlays of virtual force vectors ontomoving people, and (g) use of a chromatic scale to visually convey the relative intensity of theinternal bending moment at nodes spaced over the length of the structure.It is the authors' intention to also
?” Exams Exams were administered at the end of every Module (6-7 topics/class periods). Four questionswere randomly selected from each category for each exam at the end of each Module. For example,Module 1 cover topics a) Cartesian Motion b) Normal and Tangential Kinematics, c) Radial Kinematics,d) Constrained Kinematics e) Relative Motion and f) Linear Kinetics. Two questions on each topic (e.g Linear Kinetics) were programmed into Blackboard. A studentwould be randomly assigned one of those two problems with randomized numbers for certain variables.Another student would be randomly assigned the other problem also with randomized numbers. Eachstudent would solve their individual problem and enter their answer into the Blackboard
• Does the cross section contain stringers? Answer: Yes, this is a stringer-web cross section• Is the cross section symmetric or unsymmetric? Answer: Unsymmetric• What is the requirement of this problem? Answer: We need to obtain shear flow (𝑞𝑞) in each domain ⑤ ④ ③ Half circle ① ② ⑥ (a) (b)Figure 3. A Notional Example of a P-Shaped Stringer-Web Open Cross Section: (a
on one part of the car. • The smallest speed would be B in this one because B is toward the center and A C and D will have the same. • Which has the smallest speed. A B C or D … wow this is what got me in Physics, I really need to review this. Um I think A C and D speed … but B … No they might just all have the same speed if we’re looking at … yeah … I’m going to say they have … I’m going to say E • The “S” and “L” component of velocity based on the tire’s movement. Since it’s in the very center basically everyone one of them is moving at B, the velocity of the car, but each has their own velocity of the tire s well, except for B.Correct Responses • Nothing was said aloud – scored as incorrect
. It is worth noting, that while students anticipate using fluidmechanics (26%), thermal sciences (32%), and electronic integration and control (41%) least,these are at similar levels. This relatively even distribution of lower usage is likely informed bythe types of jobs our students did on their Co-op the summer prior to this survey. A BFig 1. A) Thematic coding shows that students have a high-level understanding of mechanical engineering at the start of this project B) The majority of our student expect to use solid mechanics in their future careers more than other sub-disciplines.Despite this clear weighting of the importance of solid mechanics in
Paper ID #39879Mechanics in Rome: First Time for a New Study Abroad ProgramDr. Brian P. Self, California Polytechnic State University, San Luis Obispo Brian Self obtained his B.S. and M.S. degrees in Engineering Mechanics from Virginia Tech, and his Ph.D. in Bioengineering from the University of Utah. He worked in the Air Force Research Laboratories before teaching at the U.S. Air Force Academy for seven years. In 2011-12, Brian did a professor exchange in Munich, and in 2017 an exchange in Karlsruhe Germany. Additionally, he established a Mechanics in Rome study abroad program that ran for the first time in Fall 2022
Paper ID #40206The Role of Spatial Ability in a Statics and Mechanics of Materials CourseDr. Maxine Fontaine, Stevens Institute of Technology Maxine Fontaine is a Teaching Associate Professor in Mechanical Engineering at Stevens Institute of Technology. She received her Ph.D. in 2010 from Aalborg University in Aalborg, Denmark. Maxine has a background in the biomechanics of human movement, and ©American Society for Engineering Education, 2023 The Role of Spatial Ability in a Statics and Mechanics of Materials CourseAbstractStrong spatial visualization skills are critical to
The intention is for students to draw mental or actual FBDs of various joints, make qualitative determinations about the modality of the member, and then continue to another joint to complete the analysis. Frames and Machines “Member ABC is embedded in the concrete wall at A. Member DBE is pin connected at D and B is connected to a rope at E that runs over the pulley at C. Assume that friction can be neglected at all connections. Suppose your goal is to determine the magnitude of the force5134 exerted on member ABC at pin B. Which free-body
-conceptual, indicating thatstudents better understood the material than their solutions showed. The literature reviewhighlights the role of effective pedagogy and activities in nurturing engineering judgment,qualitative reasoning abilities, design skills, and self-confidence.3. Pedagogy3.1. Traditional method – The concept of tipping moment calculationThe concept of tipping moment calculation uses a point or an axis about which the rigid bodywill rotate when the force is applied. For determining the impending tipping condition, it uses theequilibrium equation.Let us consider a table shown in Fig. 1(a), whose free-body diagram is shown in Fig. 1(b). Then,the moment equilibrium equations for the free-body diagram is: åM
an overhang above a doorway. Foreach problem, three images of the scenario were developed: a photograph of the system (lowabstraction), a line drawing of the system (medium abstraction), and a line-drawn image of thesystem in which most details identifying it as a real-world object were removed (highabstraction). Figure 1 shows the images used at each level of abstraction for each of the threeproblems.Students in a first-year course, who had just learned to draw FBDs (the assessment was justprior to their first exam on the topic), and students in a third-year course, who wereexperienced with FBDs, were asked to draw FBDs for these problems. Each student populationwas randomly divided into three groups: A, B, and C. Each group saw each of the
student work presented, theiteration row vector average is [3.0 4.3 3.5 4.3]. The average total number of steps, includingwithin multiple block-step iterations is 15.0. Collectively and qualitatively, not many iterations arerequired for what appears to be very good curve fitting, that implies numerical answers to thesystem ID problem directly within MATLAB. As a side story, one positive effect that often occursin this lab is a fun and friendly competition amongst the teams to see which team’s result overlapstheir experimental data the most. All in the name of oscillator dynamics, where students learnpractically about concepts like natural frequency and the damping ratio! a. Student team A with [1 3 1 3]. b. Student team B
previous 5 parts into a comprehensive final report that summarizes design decisions and the mathematical models used to guide them.Data AnalysisTable 2. Data Corpus of Recorded Team Videos Group A Group B Name of Video Time Name of Video Time (Minutes) (Minutes) Part 1 Meeting #1 52 Part 1 Meeting #1 131 Part 1 Meeting #2 73 Part 1 Meeting #2 56 Part 3 Meeting #1 72 Part 2 Meeting #1 173 Part 4 Meeting #1 46
through a chapter of the textbook and then answeredrelevant conceptual questions through an online platform. A sample conceptual question isprovided below in Box 1. Students were allowed an unlimited number of tries to complete theconceptual questions. Once a student correctly answered all of the questions for the chapter, thereading assignment is considered complete, and extra credit is awarded to the student. Hooke's law, σ = Eε, models behavior up to the _____ for ductile materials. a) failure point b) proportional limit c) ultimate stress d) yield point Box 1: Example conceptual question for reading assignments.Hands-on Inquiry-Based Learning ActivitiesStudents in the class could also choose to complete optional
. Holds hand against a green line in the diagram and tilts their hand to show changing a parameter. C-D Communicates Justifies thinking about the parameters and relationships by using 2D diagram. reasoning using the 2D “You can see how B is going off in a direction that makes me think about diagram the x-, y-, and z-axes” Uses S-C Calculates Uses the symbolic representation to make sense of their answers and chooses to Calculations or values using calculator calculate a value. Symbolic “If this increased to, say 10, then I can see that this
whichare defined at the end of the live script (not shown). Figure 3 Live script with sliders for visualizing mathematicsA related live script that employs drop down controls is shown in Figure 4. In this case, the firstdrop down menu allows the user to select between distinct linear systems such as a 1st OrderSystem, an Underdamped 2nd Order System, etc. (with some initial conditions included). In thiscase, the systems are configured within the drop-down control in terms of the matrices of theirassociated state space representation (A, B, C, D) and the initial value of the state vector (x0).The second drop-down menu then allows the user to select between different forcing inputs tothe previously chosen system model. Plots of the
1 𝜔𝛼= ; setting up 𝑑𝑡 = 𝑑𝜔 is easier than 𝑑𝜃 = 𝑑𝜔 as the latter requires the application 𝑑𝑡 𝛼(𝜔) 𝛼(𝜔)of the chain rule, which many students find challenging to master. A task analysis was conductedto identify the cognitive levels [9]. See the sample problems in Appendix B for different problemtypes and cognitive levels.Test AdministrationNumerous studies have indicated that symbolic problem-solving presents significant challengesfor students [7, 10-12]. To prevent cognitive overload and ensure learning success, it is crucial tooffer support and prompt feedback. Consequently, these problems were
-pandemic’, 4 = ‘post-pandemic’. Number of sections taught Course Statics Deformables Dynamics Period 1 2 3 4 1 2 3 4 1 2 3 4 Inst. A - - - 1 2 - 1 2 - - - - Inst. B - - - - - - - - 4 1 - - Inst. C - - - 2 - - - - - - - - Inst. D 10 - 2 3 8 1 2 2 13 2 3 2 Inst. E 8 1 3 4 3 1 3 4 - - - - Inst
Paper ID #38157Weekly Quizzes in Lieu of Homework in Large SectionsDr. Anna K. T. Howard, North Carolina State University, Raleigh Anna Howard is a Teaching Professor at NC State University in Mechanical and Aerospace Engineering where she has led the course redesign effort for Engineering Statics. She received her Ph.D. from the Rotorcraft Center of Excellence at Penn State University.Azadeh Dashti Cole, North Carolina State University, Raleigh ©American Society for Engineering Education, 2023 2023 ASEE Annual Conference Weekly Quizzes in Lieu of Homework