535.632.81 - Applied Finite Elements

Mechanical Engineering
Spring 2024

Description

This Applied Finite Elements course provides a wide-ranging exploration of the practical applications of finite element analysis (FEA) using both Creo Simulate and Ansys. Creo Simulate's integration with the Creo Parametric, a computer-aided design (CAD) tool, affords a number of advantages, most notably a remarkable efficiency in performing analyses and the possibility for Simulate to seamlessly manipulate the CAD model in performing design optimizations. Within Simulate, students will learn to perform linear structural static analyses of parts and assemblies. Students will also learn to represent preloaded bolts, create both solid and thin shell meshes, and improve the reliability of FEA results through convergence studies. Within Ansys, and industry standard FEA program, students will revisit the most common types of analyses, making some comparisons back to the results from Creo Simulate. Next, students will then learn to partition CAD geometry into mesh-able volumes then construct high quality hexahedral meshes. Finally, students perform a broad array of other simulation types that include transient structural, nonlinear materials, explicit dynamics, and computational fluid dynamics. Opportunities exist throughout the course to individually apply the techniques covered in ways applicable to students’ personal interests, career, or career ambitions.

Instructor

Profile photo of Michael Boyle.

Michael Boyle

michael.boyle@jhuapl.edu

Course Structure

The course materials are divided into modules. The Modules can be accessed by clicking Modules on the menu. A module will have several sections including the overview, content, discussions, and assignments. Students are encouraged to preview all sections of the module before starting (even the exercises). Most modules run for a period of seven (7) days but exceptions are noted on the Course Outline page. Students should regularly check the Calendar and Announcements for assignment due dates.

Course Topics

Using Creo Simulate

Using Ansys

Course Goals

The goal of this course is to empower you with enough finite element analysis expertise, in two different programs, to cite it as a legitimate skill on your resume and to contribute comparably in a workplace already populated with experienced finite element analysts. You will learn to perform a wide ranging array of simulations, more than most engineers will attempt in their entire careers.

Course Learning Outcomes (CLOs)

Textbooks

Not Required.

Required Software

This course requires Creo Parametric, Creo Simulate, and Ansys. Instructions for installing Creo Parametric and Simulate on your personal computer are included in the Module 1 videos, Ansys in Module 8.  Simulate tools run exclusively on Windows, Ansys on Windows or RedHat/SUSE Linux. 

The typical hardware requirements for running both Creo Simulate and Ansys include:

Downloading and subsequently running both programs require being connected to the University’s network through Pulse Secure to obtain a license.

I will not be able to assist in getting either software running on your computer. If you experience technical difficulties, I suggest reaching out to JHU Information Technology at https://johnshopkins.service-now.com/serviceportal. In the absence of running the software on your own personal computer, it is possible to run the software through MyCloud, a virtual desktop available through my.jhu.edu.

Student Coursework Requirements

It is expected that each of the ten instructional modules will take approximately 6 hours per week to complete. Here is an approximate breakdown: following along with the lectures step by step, stopping the videos as necessary (approximately 3 hours) and completing the exercises (approximately 3 hours).

This course consists of a two basic student requirements:

Module Exercises (50% of Final Grade Calculation)

Ten modules include exercises, each graded on a scale of 0 - 100. The exercises generally include performing simulations and documenting your results.  Grading is based upon completion and correctness of the submitted files with respect to the assignment instructions.  Of the 100 points available for each exercise, participation in module discussions typically counts for 10 of those, depending on the module.  Your grade for discussion portion is based upon you creating a new thread, generally your “muddiest point” (meaning a description of what was the least clear or gave you the most trouble) and responding to a classmate’s post with your own observations or suggestions.  The hope here is to encourage interactions between you and your fellow classmates, getting to a point where you’re comfortable interacting with one another in this online environment, feeling free to seek and offer help.  Be detailed in your postings and in your responses to your classmates' postings.  Please ensure that your postings are civil and constructive.

I will monitor module discussions and will respond to some of the discussions as discussions are posted.  I often conclude modules with an email that addresses common themes on the discussion forum. 

Late submissions will be reduced by one letter grade for each week late (no exceptions without prior coordination with the instructors).

Typical, qualitative, FEA modeling aspects of the exercises are evaluated by the following grading elements:

  1. Submission of all of the required files (10%).
  2. Following instructions for the simulations and their correctness (65%).
  3. Documenting the results in accordance with expectations (20%).
  4. Submission of muddiest point to the discussion forum (5%).
  5. Response to fellow student’s muddiest point (5%).

Mid-Term and Final Projects (25% each of Final Grade Calculation, for a total of 50% of the Final Grade)

Both the mid-term and final require students to submit to me, via email, a proposal for performing a thorough finite element analysis study. The subject of the projects remains entirely up to you, meaning what you choose to model to demonstrate your mastery of the topics covered in the first and second halves of the semester, is entirely up to you, although subject to my approval. 

At a minimum the FEA projects must include a mesh sensitivity/convergence study and a detailed PowerPoint presentation that documents the geometry, materials, design requirements, explanations of modeling assumptions, a review of the results and conclusions. 

Two weeks are dedicated to completing both the midterm and final projects (except during the summer semester). Submit your proposals several days before the start of what would be Module 6 and Module 12 to allow me time to review the proposal and ask questions, if necessary. Because not all proposals are approved, the lead time also allows for revisions to proposals or complete reconsideration.

At the halfway point of each, meaning, after a week of work on the midterm/final (or, again, less in the summer), ahead of what would be the start of Modules 7 and 14, all project files must be, zipped, and uploaded to Canvas, regardless in whatever state of completeness they happen to exist. Along with the zip file, post to the discussion board the muddiest point of your project. For instance, what isn’t working the way you though it would? What doesn’t seem to be working the way it did in the exercises? What is taking way too long? Next, every student must download the midterm project of another student, open the project and review the model. In an email to the originator of the data and your instructor, comment on what you thing is being done well, offer insight into how something might have been done more efficiently, and make recommendations in hopes of assisting the other student with their muddiest point.

Prior to the beginning of Module 8, submit all midterm project files, and likewise submit all final project files ahead of the end of the semester, in the form of a zip file, to Canvas. 

Qualitative, CAD modeling aspects of the midterm and final projects are evaluated by the following grading elements:

  1. Timeliness of submissions (10%).
  2. Thoroughness of review of fellow student’s project (10%).
  3. Muddiest Point (10%).
  4. Creo/Ansys files and folders (20%).
  5. Mesh sensitivity/convergence study (10%).
  6. Final report in PowerPoint format (40%).
  7. Thorough presentation, documenting processes/results/conclusions (35%).

Grading Policy

Student assignments are due according to the dates in the Calendar and Assignments items in the corresponding modules. I will post grades one week after assignment due dates. A grade of “A” indicates achievement of consistent excellence and distinction throughout the course—that is, conspicuous excellence in all aspects of assignments and discussion in every week.

A grade of "B" indicates work that meets all course requirements on a level appropriate for graduate academic work. These criteria apply to both undergraduates and graduate students taking the course.

Score RangeLetter Grade
100-98= A+
97-94= A
93-90= A−
89-87= B+
86-83= B
82-80= B−
79-77= C+
76-73= C
72-70= C−
69-67= D+
66-63= D


Final grades will be determined by the following weighting: 

Item

% of Grade

Exercises

  FEA Modeling/Documenting

  Discussion Forum Participation

50%

  (45%)

  (5%)

Midterm Project

25%

Final Project

25%



There is a no deduction on assignments or projects that are one day late.  There is a 25% deduction for assignments or projects turned in between two and seven days late.  Anything turned in beyond seven days overdue will not be graded.

Academic Policies

Deadlines for Adding, Dropping and Withdrawing from Courses

Students may add a course up to one week after the start of the term for that particular course. Students may drop courses according to the drop deadlines outlined in the EP academic calendar (https://ep.jhu.edu/student-services/academic-calendar/). Between the 6th week of the class and prior to the final withdrawal deadline, a student may withdraw from a course with a W on their academic record. A record of the course will remain on the academic record with a W appearing in the grade column to indicate that the student registered and withdrew from the course.

Academic Misconduct Policy

All students are required to read, know, and comply with the Johns Hopkins University Krieger School of Arts and Sciences (KSAS) / Whiting School of Engineering (WSE) Procedures for Handling Allegations of Misconduct by Full-Time and Part-Time Graduate Students.

This policy prohibits academic misconduct, including but not limited to the following: cheating or facilitating cheating; plagiarism; reuse of assignments; unauthorized collaboration; alteration of graded assignments; and unfair competition. Course materials (old assignments, texts, or examinations, etc.) should not be shared unless authorized by the course instructor. Any questions related to this policy should be directed to EP’s academic integrity officer at ep-academic-integrity@jhu.edu.

Students with Disabilities - Accommodations and Accessibility

Johns Hopkins University values diversity and inclusion. We are committed to providing welcoming, equitable, and accessible educational experiences for all students. Students with disabilities (including those with psychological conditions, medical conditions and temporary disabilities) can request accommodations for this course by providing an Accommodation Letter issued by Student Disability Services (SDS). Please request accommodations for this course as early as possible to provide time for effective communication and arrangements.

For further information or to start the process of requesting accommodations, please contact Student Disability Services at Engineering for Professionals, ep-disability-svcs@jhu.edu.

Student Conduct Code

The fundamental purpose of the JHU regulation of student conduct is to promote and to protect the health, safety, welfare, property, and rights of all members of the University community as well as to promote the orderly operation of the University and to safeguard its property and facilities. As members of the University community, students accept certain responsibilities which support the educational mission and create an environment in which all students are afforded the same opportunity to succeed academically. 

For a full description of the code please visit the following website: https://studentaffairs.jhu.edu/policies-guidelines/student-code/

Classroom Climate

JHU is committed to creating a classroom environment that values the diversity of experiences and perspectives that all students bring. Everyone has the right to be treated with dignity and respect. Fostering an inclusive climate is important. Research and experience show that students who interact with peers who are different from themselves learn new things and experience tangible educational outcomes. At no time in this learning process should someone be singled out or treated unequally on the basis of any seen or unseen part of their identity. 
 
If you have concerns in this course about harassment, discrimination, or any unequal treatment, or if you seek accommodations or resources, please reach out to the course instructor directly. Reporting will never impact your course grade. You may also share concerns with your program chair, the Assistant Dean for Diversity and Inclusion, or the Office of Institutional Equity. In handling reports, people will protect your privacy as much as possible, but faculty and staff are required to officially report information for some cases (e.g. sexual harassment).

Course Auditing

When a student enrolls in an EP course with “audit” status, the student must reach an understanding with the instructor as to what is required to earn the “audit.” If the student does not meet those expectations, the instructor must notify the EP Registration Team [EP-Registration@exchange.johnshopkins.edu] in order for the student to be retroactively dropped or withdrawn from the course (depending on when the "audit" was requested and in accordance with EP registration deadlines). All lecture content will remain accessible to auditing students, but access to all other course material is left to the discretion of the instructor.