astronomy

María Cecilia Rivara

María Cecilia Rivara is a astronomy topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand María Cecilia Rivara rather than just read about it. In short: María Cecilia Rivara Zúñiga is a Chilean computer scientist known for her research in mesh refinement for the finite element method. She is a professor of computer science at the University of Chile, where she was the first woman to earn an engineer's degree in mathematics.

Key takeaways

María Cecilia Rivara belongs to astronomy; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect María Cecilia Rivara to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of María Cecilia Rivara from memory before moving on to harder problems.

Reference excerpt

María Cecilia Rivara Zúñiga is a Chilean computer scientist known for her research in mesh refinement for the finite element method. She is a professor of computer science at the University of Chile, where she was the first woman to earn an engineer's degree in mathematics.

Education and career Rivara earned an engineer's degree in mathematics in 1973 from the University of Chile, the first woman to do so. She went to the Catholic University of Louvain in Belgium for graduate study, earning a master's degree in 1980 and completing her Ph.D. in 1984, supervised by Robert Piessens. She is a full professor at the University of Chile.

Research In the study of mesh refinement, subdividing selected triangles of a triangular finite element mesh by bisecting their longest edges is also known as Rivara refinement, after Rivara's pioneering work on this method.

References

External links María Cecilia Rivara publications indexed by Google Scholar

Worked examples

Example 1 — a first encounter with María Cecilia Rivara

Start with the simplest possible case. Write down what María Cecilia Rivara claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In astronomy, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to María Cecilia Rivara before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about María Cecilia Rivara ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of María Cecilia Rivara

In research: María Cecilia Rivara appears in astronomy research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses María Cecilia Rivara in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: María Cecilia Rivara is common in secondary-school and first-year university syllabi. It links to neighbouring topics Academic staff of the University of Chile, Chilean computer scientists, Chilean women academics, so understanding it makes those chapters shorter.
In everyday life: Look for María Cecilia Rivara outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

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How to study María Cecilia Rivara in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what María Cecilia Rivara means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
Explain María Cecilia Rivara out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is María Cecilia Rivara in simple terms?

Why does María Cecilia Rivara matter?

Because it connects several astronomy ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study María Cecilia Rivara?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on María Cecilia Rivara.