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OMG-OCSMP-MBA400 Exam - Topic 3 Question 33 Discussion

Choose the correct answerModehca solvers can produce large volumes of time-based results (such as time-based power usage), but requirements are often based on scalar values such as "maximum peak power" and 'average power usage".Which of the following is generally the most effective way to verify such requirements?
B) ave the Modelica solver also compute these scalar values from its time-based power usage results Then import the resulting scalar values into SysML. and compare them to the requirements.
A) Import the Modelica time-based power usage results into SysML Then use SysML parametncs to calculate these scalar values, and compare them to the requirements
C) Use the SysML4Modelica profile to transform the Modelica time-based power usage results into these scalar values Then import the resulting scalar values into SysML, and compare them to the requirements.
D) Modelica models can only produce time-based results and thus cannot support scalar results like these, which must either be calculated using a different tool or measured on physical prototypes Then enter the resulting scalar values into SysML, and compare them to the requirements

OMG-OCSMP-MBA400 Exam - Topic 3 Question 33 Discussion

Actual exam question for OMG's OMG-OCSMP-MBA400 exam
Question #: 33
Topic #: 3
[All OMG-OCSMP-MBA400 Questions]

Choose the correct answer

Modehca solvers can produce large volumes of time-based results (such as time-based power usage), but requirements are often based on scalar values such as "maximum peak power" and 'average power usage".

Which of the following is generally the most effective way to verify such requirements?

Show Suggested Answer Hide Answer
Suggested Answer: B

: The most effective way to verify such requirements is to have the Modelica solver also compute these scalar values from its time-based power usage results. Then import the resulting scalar values into SysML, and compare them to the requirements. This way, the verification can be done at the same level of abstraction as the requirements, and avoid unnecessary transformations or calculations in SysML. Modelica solvers can provide various functions and operators to compute scalar values from time-based results, such as max, min, mean, integral, etc. Reference: https://www.omg.org/ocsmp/ocsmp-adv-exam.htm https://modelica.org/documents/ModelicaSpec34.pdf


by Jackie at Jun 10, 2025, 12:31 PM

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Vinnie
6 months ago
C sounds interesting, but is it really effective?
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Reita
6 months ago
I think B makes more sense, less hassle.
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Gerald
6 months ago
A is definitely the way to go!
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Marjory
7 months ago
D seems off, Modelica can handle scalar values, right?
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Helaine
7 months ago
Totally agree with A, it’s the most straightforward approach!
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Natalie
7 months ago
I thought Modelica could only handle time-based results, so option D seems plausible, but I feel like there's a way to get scalar values too.
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Ruthann
7 months ago
I vaguely recall something about the SysML4Modelica profile, but I'm uncertain if that transformation is necessary for this question.
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Carrol
8 months ago
I think option B sounds familiar; it seems like having the Modelica solver compute scalar values directly could save time.
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Tamra
8 months ago
I remember discussing how importing results into SysML could help with verification, but I'm not sure if that's the most efficient method.
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Darnell
8 months ago
I think I understand the question now. The key is finding a way to convert the time-based Modelica results into the scalar values needed for the requirements. Option A or B seem like the best choices for that, but I'm still not 100% sure which one would be most effective.
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Talia
8 months ago
Hmm, I'm not sure if any of these options are really ideal. Option D makes it sound like Modelica can't handle the required scalar values, which seems problematic. I might need to think this through a bit more.
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Genevieve
8 months ago
Option C looks promising to me. Using the SysML4Modelica profile to transform the Modelica results into the right format seems like it could be the most straightforward way to handle this.
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Leeann
9 months ago
I'm a bit confused by the question. It seems like we need to find a way to convert the time-based Modelica results into the scalar values required by the requirements. I'm not sure which option would be the most effective for that.
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Billy
9 months ago
This looks like a tricky one. I'm not sure if I fully understand the differences between the options, but I think B might be the best approach since it keeps everything in the Modelica solver.
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