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CFD with OpenSource Software 2010

Status: Avslutad
Öppen för svar: 2010-11-10 - 2010-11-19
Antal svar: 14
Procent av deltagarna som svarat: 73%
Kontaktperson: Håkan Nilsson»
Utbildningsprogram som genomför enkäten: Maskinteknik 300 hp
Klass: Övriga
Utbildningsprogram studenten tillhör: Maskinteknik 300 hp

1. If you started but did not finish this course, please state why.

- I finished it :)»
- Course turned hectic as I had two other courses.»
- Followed the course well and completed the 2 assignments, but not the project work, gave up, when noticed that was not able to meet the deadline for the presentations. The reason for this is partly, because at work some other urgent tasks, but mainly because of personal force majeure: my son had a larger surgery during the time (so hat during 2.5 half weeks could not contribute anything to project work). The time to compete to project work had othervice been sufficient, however, there was no marginal.»

2. Comment the contents of the course and give your general impression of the course.

Did it cover what you expected? Was the syllabus appropriate (see the course homepage)? If not, please give some feedback.

- Yes»
- Yes it did. Yes it was»
- The contents were OK. However, I think in some parts it is not very necessary to follow the teacher in our own laptop. It will be more useful to just listen and note. The remarks were very valuable but most of them is lost by students since they try to just follow the instructors with out understanding. In some parts it is useful to follow the teacher. I think it will be more efficient to ask students not to follow but just listen and note in some parts.»
- Yes, I think it covered what should have been expected»
- The general impression was good. I had no real expectations on what the course would cover since I knew so little about OpenFOAM in advance.»
- The course absolutely covered what I expected and the syllabus was appropriate.»
- It was totally good, but more implementation in the assignment will help to better understanding the code.»
- It was a good course with a lot in it. I learned alot.»
- Yes, it covered my expectations and even beyond it. The main learning is through the project and the choice of it determines the outcome of the course for the student.»
- Yes, it covered what I expected»
- Yes»
- The course covered more than I expected. The instructions were very clear, for ex. how to install and compile different OF-versions. Also the lectured material (slides) covering all commands were very clear and did not contain errors. However, the time schedule was limited and some interesting stuff (like python scipts) was run through very hastily, that sometimes did not have really time to digest the lectured material, but just copy-pasted the commands from slides. »
- A very good impression, sometimes to high workload»
- One of the most interesting courses i have taken»

3. How much time did you spend on this course, and did it correspond to 7.5 "Higher education credits"?

We mean total time, that is, it comprises the time you spent in class and the time you spent on your own work. What should be added/removed?

- 140 h»
- the timing is OK»
- It was a course with a high work load as expected. I spent probably around 40 - 50 hours a week»
- I spent a lot more time than on a regular course. I was occupied with school, more or less, seven days a week (including the course in Turbomachinery that is). So, no, in my opinion it probably corresponds to more than 7.5 credits. »
- I spent approximately 30 hours per week in average on this course, so for me it corresponded to more than 7.5 credits. I don"t now if anything should be removed. Maybe the extence of the project needs to be more well defined and narrowed.»
- The course period was quite short, and it really need much more time. Also, it was not efficeint to have a class from 9am-5pm. if it is possible, it was better to have shorter class, in more days. Or to have a class each 2 weeks, so we have enough time to practice, and learn.»
- It has been the most time consuming course at my time at chalmers. It correspond to more than 7.5 HP. »
- I spent more time than a 7.5 credit course. I think it depends on how perfect you want to do it and how much the project is of importance for you. I think it is possible to do the course in a 7.5 credit time span.»
- I spent too much time I think. I haven´,t spent this much time to get 7.5 hec before.»
- 30 hrs/week»
- During the course, I put a lot of my time (80% of my working time, covering also week-ends) so that was able to give the two assignments in time. If had had something else important to accomplish, the 5 day time would have been too little. The time to accomplish the project work could have been longer. »
- Keep it as it is, maybe try to shorten some of the beginning assignments.»
- about double time»

4. Comment the schedule of the course.

The idea was to cover as much as possible in the beginning of the course in order to have as much free project work time as possible at the end of the course (it is after all a project course). One reason for having full days is to allow long distance PhD students. However, now the course is becoming more a master course, so an alternative would be to have half days four days each week the first three weeks. Then you should have been given more continous assignments than one after the first two days and another after the second two days. Comment and come with your own suggestions. Also, comment that the current course was only coordinated with the Turbomachinery course.

- I think it is better to keep the two full days each week and get assignments that must be handed in the following week. Four half days each weeks with continious assignments would mean the assignments have to be done the same day, after the course in the afternoon. That would make it much more difficult to follow other courses. »
- to compact, tiring when you also take another course in that term.»
- I do agree with having full days. »
- I think it worked good with the full days»
- splitting up the lectures sounds like a great idea! It is tough to stay focused on "just listening" for eight hours. I took the turbomachinery course, so that worked well for me.»
- I think the schedule was good. As long as you get to follow the lecture on your own computer full days are fine. The two first assignments were good to get you started with the course. For me it wasw good that the course was coordinated with the turbomachinery course. But it probably can be hard to follow some other course because of the full days in this course.»
- I had no problem with the way the course was planned. Probably shorter days will be better and some hometask after each meeting will be good. In order to get started at once. »
- I think the schedule of the course is just perfect and should not be touched. The way we will use this software later in work would be like the project we did: define a work and do it with OpenFOAM tools. This means to me that the lectures are just to give you an overview and they should be fast and compressed as they are.»
- It sounds good to have 4 days a week instead of 2. After some hours it gets pretty intense.»
- the course schedule was good. But since I had courses other than turbomachinery, I had a few clashes with other courses.»
- The presented idea of having half-day lectures enables that there could be more assignments covering each topic, that would help in learning process.»
- I think the scheduled parts where good to have in the beginning, and if its possible, keep the hole days of OpenFOAM! A lot of time was needed for the project and it is therefore good to have time to focus on only the project after the lectures.»
- good to get started early. The early deadlines probably increased the quality of all projects a lot.»

5. To what extent has the teaching been of help for your learning?

14 svarande

Small extent»1 7%
Some extent»2 14%
Large extent»7 50%
Great extent»4 28%

Genomsnitt: 3

- This is due to the fact that I did not attend the course lectures and I tried do everything on my own. Therefore my answer is rather irrelevant and should not be cared so much.» (Small extent)
- Especially the discussions in the class» (Large extent)
- I learned alot from the teaching and the tutorials. » (Great extent)
- The material in the course homepage is very relevant. Actually, I apply OF in my work every now and then. Very often, when using OF, open the course slides or homepage to refresh, how to work out things. However, the layout of the homepage may be structured better, the names of the slides are not informative (like "More tutorials","some lecture notes" ), and I need sometimes dig hard to find the item, I am looking for, for ex. tried to find the instructions, how to run parallel from the course home-page (remembered that we had studied through the decomposeParDict), but did not found it, it is probably somewhere. An alphabetical index or some "search" -function by key word, could make the search easier.» (Great extent)

6. To what extent has the course material been of help for your learning?

14 svarande

Small extent»0 0%
Some extent»2 14%
Large extent»7 50%
Great extent»5 35%

Genomsnitt: 3.21

- looked at some slides but not so much. CFD-online, wiki and the handbooks were good.» (Some extent)
- I have looked at the course material afterwards and they have been helpful. » (Great extent)
- Answered partly to this question already in my previous comment.» (Great extent)

7. To what extent have the assignments been of help for your learning?

14 svarande

Small extent»0 0%
Some extent»2 14%
Large extent»8 57%
Great extent»4 28%

Genomsnitt: 3.14

- I did not like the first assignment which was just running some cases. I would rather to have less cases for each student and instead work deeply on each case and solver.» (Large extent)
- I think the first assignment was helpful in order to get started. The second one, was to much of "copy and paiste"- type and it was hard to get every step. Some small adjustment would be more interesting. But I learned most from the last one. » (Large extent)
- The assignments are the best way to learn lectured material. Had wished more assignments to cover all subjects of studied material. Of course, this would not have been possible within the time frames of the course this year, but may be feasible with the new idea of re-organize the schedule of the course for next year.» (Large extent)
- maybe one of the assignments could be switched to running through one of last years projects??» (Large extent)

8. To what extent has the project been of help for your learning?

14 svarande

Small extent»0 0%
Some extent»0 0%
Large extent»6 42%
Great extent»8 57%

Genomsnitt: 3.57

- Unfortunately, had not time to accomplish the project work. However, believe that it would had been a great help, if had had the time. Also the idea that the project work would be a tutorial like, so that other students can learn from it, is good. » (Large extent)
- The project was very helpful.» (Great extent)
- hard work pays off» (Great extent)

9. Comment the assessment of your learning.

Is the assessment of your learning (the assignments, the project, and the peer-review) appropriate? Give some suggestions.

- I think most you learn by doing the project. You need to learn much by yourself, so the assignments are more an introduction of OpenFOAM. The peer-review is good because you learn another project and it increases the quality of the reports.»
- yes, that was good»
- Yes I think it was appropriate»
- The assigments and the project are certainly good for learning. The peer review was good so that I could see which kind of mistakes I had done.»
- Today, I would not choose the project as I did but I have learnt alot and today I know more what OpenFoam is all about. The peer-review was also very interesting. »
- I think the assignments should not be compulsory as they take a lot of time to write the report. Specially assignment 1 is very lengthy to write a report for. It is more like an assignment for undergraduate students. The peer review is nice as it helps finding how other people think.»
- I have not completed the project and peer review. »
- More assignments. Assignments should be on each topic. I would like to have worked more with python scripts. The use of openFoam is too much of hand-work and editing, so good python scripts would make things a lot smoother.»
- I thought it was a good way of doing it. Good that we got a lot of time for the project and, also, good to have an early deadline with the project.»

10. What should definitely be preserved to next year?

- people from industry who present their work»
- The project :)»
- The assignments and the project.»
- The first assignment I think»
- lecture notes, project and peer review»
- The course content»
- - Implementing new boundary condition as assignment »
- Full days with OpenFOAM, the project»
- The form of the lectures, where we follow the work on the slides on our own computers. Also, it was very nice to have OpenFOAM on our laptops. I would never have spent so much time on the course if MT13 was the only alternative»

11. What should definitely be changed to next year?

- The time schedule is quite tough, because you need to understand a lot in OpenFOAM and of C++ language to do some implementations. Somehow it worked for everyone, but I also heard it might be good this course is a two term course. Probably this is not possible and everybody has done the project anyway. So it might be ok how it is.»
- the schedule, should not that compact»
- Maybe the first assignment. It was too much to have to make post-processing on every tutorial. »
- probably splitting up lectures more»
- A stronger definition of the project.»
- second assignment could be modified.»
- assignments should not be compulsory»
- - Slow down the teaching tempo. - Remove the C++programming. C++ must be a prerequisite for the course. (it is not possible to learn C++ programming in one afternoon) »
- Try to shorten some of the assignments»
- nothing specific»

12. How well did the course administration, web page, handouts etc work?

14 svarande

Very badly»0 0%
Rather badly»0 0%
Rather well»2 14%
Very well»12 85%

Genomsnitt: 3.85

- Up to date with a lot of information.» (Very well)
- Maybe the course homepage could use a face lift, but that is only for aesthetic reasons.» (Very well)

13. Comment the recommendation to install Linux and OpenFOAM on your own laptop

This is the first year the course was not given in a computer room. The reason for that was that it was not possible to get a suitable computer room that fit the schedule. Imagine that you had the option of having the course in a computer room, with everything pre-installed - would it be better or worse? Is it ok to recommend the students to first of all bring a laptop, and then to do such large modifications to it? Any suggestions? I can just comment that we in fact had much less computer problems this year than last year, when there was a computer crashing every 15 min in MT13.

- I think it is good with own Laptops as long there is help for the installation of OpenFOAM and maybe Linux.»
- It"s good. Perhaps more, not just in Linux but also in Windows and Mac.»
- I prefer to have the course in the computer room. If they work well.»
- If everyone have laptops it is best as it was this year. Because then you have everything on the same computer all the time. But as you mention, it can be hard to demand that for everyone if it is going to be a master course. So it should propably work with everything pre-installed in a computer room MT13 ( The computers in MT13 are much better now than they were last year) »
- The fact that we used our own laptops made us learn how to install the software, so I think it was positive. Also, it helps the project work if you"re able to work on your own computer instead of having to find a free computer in MT13.»
- If it is ok to "demand" that all students should use their own computers is hard to tell. But anyway, you (Håkan) had both laptops and usb-stick installations at hand, so there was really never any problems as I saw it. Definitely I think it is better to use your own computer for the assignments and the project, a freedom greatly appreciated. Also it is nice to have OpenFoam installed on your own computer after the course.»
- This is the way to take the course. I think it will be mandatory to have a own laptop. »
- I think it is a good idea to have a laptop and have all these modifications to it. It worth!! I learned a lot by installing everything and it also gives me the opportunity to work whenever I want and wherever I want. I can have OpenFOAM forever and keep in touch with it.»
- It would be worse. One thing of the course was to get the installation to work.»
- It was a great recommendation.»
- It was a good excercise to lear to install different versions of openFoam, and particularly to compile the bug fixed version 1.7.x. the fact that all OF versions were also installed in Chalmers student computers helped in the beginning, when only had 1.5-dev on my own laptop (in the end of the course had installed myself 1.5-dev, 1.6, 1.7.1. and 1.7.x.) However, if students will be using own laptops next year, it may be a good idea to allocate some time while the course starts, so that it is guided, how the first version is installed (compilation can be left as home assignment because it takes so much time).»
- I think that you can assume that everyone has a laptop these days. The required computer hardware needed is actually very low!»
- I thought it was an extremely GOOD move to install it on our own laptops. The computer rooms are bad to give lectures in, crowded and the brain does not function as well in the computer-rooms (because of the bad air)»

14. Additional comments

- The course is allready very good, just minor improvements suggested. Generally speaking, the course was very useful to me, and I am able to apply openFoam in my work.»
- Good work Hakan and Jelena, its a heavy course both for us and you!»
- Good course, good teaching and good subject. I hope to work with OpenFOAM much more in the future. OpenFOAM simulations on a full scale F1-car in now one of the goals of my career..»

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