astronomy

Vyda Ragulskienė

Vyda Ragulskienė 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 Vyda Ragulskienė rather than just read about it. In short: Professor Vyda Kęsgailaitė-Ragulskienė (4 June 1931 – 4 January 2009) was a Lithuanian scientist, inventor, the first woman to become Dr.habil. of technical sciences in Lithuania. Biographical facts Ragulskienė was born in the family of Leonas Kęsgaila-Kenstavičius (1895–1979) and Stefanija Stanevičiūtė-Kęsgailienė (1899–1984) in the village of Dapšiai.

Key takeaways

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

Reference excerpt

Professor Vyda Kęsgailaitė-Ragulskienė (4 June 1931 – 4 January 2009) was a Lithuanian scientist, inventor, the first woman to become Dr.habil. of technical sciences in Lithuania.

Biographical facts

Ragulskienė was born in the family of Leonas Kęsgaila-Kenstavičius (1895–1979) and Stefanija Stanevičiūtė-Kęsgailienė (1899–1984) in the village of Dapšiai. In 1955, she graduated with honour from Kaunas Polytechnical Institute. She was a research associate of the Lithuanian Academy of Sciences (1958–1967). From 1967 to 1993 she worked at Kaunas Polytechnical Institute (later Kaunas University of Technology). While studying in the Kaunas Polytechnical Institute, she graduated from Juozas Gruodis Higher Musical School (now it is a conservatory). She was wife of engineer Kazimieras Ragulskis.

Scientific achievements

In 1965, she defended the dissertation of candidate of technical sciences (doctoral degree). In 1973 she defended the dissertation of doctor of sciences (habilitated doctor), and she received the scientific title of professor in 1977. She coauthored six research monographs, about two hundred research papers and 97 patents. For her research work she was awarded the State Prize of the Lithuanian SSR in 1983. Ragulskienė was a scientific supervisor or consultant of more than fifty defended dissertations. Her research revealed and explained new phenomena of non-linear vibro-impact systems. She created systems which operate on the basis of new principles. The professor generalized her investigations in research monographs and research papers. The research work of the professor generalizes the results of experimental, analytic and computer studies on the basis of which new theoretical problems and new applications of vibro-impact mechanisms and devices were solved. On the basis of the results of the investigations a number of original devices of vibro-impact type were created which were recognized as inventions.

General activities

Ragulskienė translated from English Samogitia: The Unknown in History by American author of esoteric books and convicted con man Charles Pichel (1890–1982), who falsely claimed to be a French nobleman and signed Charles Louis Thourot Pichel. She was active in the collection of data for the encyclopedia The Officers of the Lithuanian Armed Forces 1918–1953. She also prepared materials about the history of her native village of Dapšiai. Many prominent Lithuanian people hailed from this village, including Kazimieras Simonavičius, the creator of the science of artillery and multi-stage rockets. Her family history reaches Kęsgailos of the 14th century.

Selected publications Voverienė O. Prominent Scientists of Lithuania of the XX Century. Vilnius: Mokslo aidai, 2009, 640 p. Самосинхронизация механических систем / К. Рагульскис, И. Виткус, В. Рагульскене. – Вильнюс: Минтис, 1965. – Т. 1: Самосинхронные и виброударные системы. – 186 с. Ртутные коммутирующие элементы для устройств автоматики / В. - С. С. Зарецкас, В. Л. Рагульскене. – Москва: Энергия, 1971. – (Библиотека по автоматике. Вып. 447) – 104 с. Виброударные системы / В. Л. Рагульскене. – Вильнюс: Минтис, 1974. – 320 с. Двумерные вибрационные приводы / Р. Э. Курило, В. Л. Рагульскене. – Вильнюс: Мокслас, 1986. – 137 с. Контактные системы / В. В. Осташявичюс, Б. В. Рудгальвис, В. Л. Рагульскене, Б. П. Бакшис. – Ленинград: Машиностроение, Ленинградское отделение, 1987. – 279 с. Vibroengineering / One of the authors V. Ragulskienė. – Monograph. Science and Arts of Lithuania. Book 19. Vilnius: Academia Scientiarum Lithuaniae, 1998. – 572 p. Professor Vyda Kęsgailaitė – Ragulskienė (1931 – 2009) / Monograph. Science and Arts of Lithuania. Book 74. Vilnius: Mokslotyros Institutas, 2009. – 568 p. Ch. L. T. Pichel. Žemaitija. Kaunas: Ajeta, 1991. Translated from the English language by V. Ragulskienė. Translation from the English language by V. Ragulskienė: Ch. L. T. Pichel. Žemaitija, nežinoma istorija. Klaipėda: Samogitia Media, 2007. Multi-volume encyclopedia publication „Lietuvos kariuomenės karininkai 1918–1953”. Vilnius, 2001–2009. Šiaudytis V. Lietuvos šviesuoliai. Kaunas: Aušra, 2010, 368 p. Šiaudytis V. Gyvenimas – tai paukščio skrydis prie saulutės arčiau į mėlyną mėlyną dangų... Kaunas: Aušra, 2011, 200 p.

References

Illustrations

Worked examples

Example 1 — a first encounter with Vyda Ragulskienė

Start with the simplest possible case. Write down what Vyda Ragulskienė 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 Vyda Ragulskienė 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 Vyda Ragulskienė 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 Vyda Ragulskienė

In research: Vyda Ragulskienė 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 Vyda Ragulskienė 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: Vyda Ragulskienė is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1931 births, 2009 deaths, 20th-century women engineers, so understanding it makes those chapters shorter.
In everyday life: Look for Vyda Ragulskienė 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 Vyda Ragulskienė in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Vyda Ragulskienė 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.
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Frequently asked questions

What is Vyda Ragulskienė in simple terms?

Professor Vyda Kęsgailaitė-Ragulskienė (4 June 1931 – 4 January 2009) was a Lithuanian scientist, inventor, the first woman to become Dr.habil. of technical sciences in Lithuania. Biographical facts Ragulskienė was born in the family of Leonas Kęsgaila-Kenstavičius (1895–1979) and Stefanija Stanevi…

Why does Vyda Ragulskienė 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 Vyda Ragulskienė?

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 Vyda Ragulskienė.