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Victor Vâlcovici

Victor Vâlcovici 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 Victor Vâlcovici rather than just read about it. In short: Victor Vâlcovici (21 September [O.S. 9 September] 1885 – 21 June 1970) was a Romanian mechanician and mathematician. Biography Born into a modest family in Galați, he graduated first in his class in 1904 from Nicolae Bălcescu High School in Brăila.

Victor Vâlcovici — main illustration
Victor Vâlcovici — illustration

Key takeaways

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

Reference excerpt

Victor Vâlcovici (21 September [O.S. 9 September] 1885 – 21 June 1970) was a Romanian mechanician and mathematician.

Biography Born into a modest family in Galați, he graduated first in his class in 1904 from Nicolae Bălcescu High School in Brăila. Entering the University of Bucharest on a scholarship, he attended its faculty of sciences, where he had as teachers Spiru Haret and Gheorghe Țițeica. After graduating in 1907 with a degree in mathematics, he taught high school for two years before leaving for University of Göttingen on another scholarship to pursue a doctorate in mathematics. He wrote his thesis under the direction of Ludwig Prandtl and defended it in 1913; the thesis, titled Ueber die diskontinuierliche Flussigkeitsbewegungen mit zwei freien Strahlen (Discontinuous flow of liquids in two free dimensions), amplified upon the work of Bernhard Riemann. He was subsequently named assistant professor of mechanics at the University of Iași, rising to full professor in 1918. In 1921, he became rector of the Polytechnic School of Timișoara. There, he was also professor of rational mechanics and founded a laboratory dedicated to the field. During his nine years as rector, he worked to place the recently founded university on a solid foundation. From 1930 until retiring in 1962, he taught experimental mechanics at the University of Bucharest. In the government of Nicolae Iorga, he served as Minister of Public Works from 1931 to 1932. During this time, he introduced a modern road network that featured paved highways. In 1936 he gave an invited talk at the International Congress of Mathematicians in Oslo, with title Sur le sillage derrière un obstacle circulaire (In the wake of a circular obstacle). Elected a corresponding member of the Romanian Academy in 1936, he was stripped of his membership by the new communist regime in 1948, but made a titular member of the Romanian Academy in 1965. His numerous articles on theoretical and applied mechanics covered topics such as the principles of variational mechanics, the mechanics of ideal fluid flow, the theory of elasticity and astronomy. He died in 1970 in Bucharest, and was buried in the city's Bellu Cemetery. Streets have been named after Victor Vâlcovici in Brăila, Galați, and Timișoara; a school in Galați also bears his name.

Books Vâlcovici, Victor (1958). Une extension des liaisons non holonomes et des principes variationnels (in French). De Gruyter. doi:10.1515/9783112498545. ISBN 978-3-11-249854-5. MR 0090218. S2CID 118604371. {{cite book}}: ISBN / Date incompatibility (help) Vâlcovici, Victor (1971). Mecanica fluidelor și teoria elasticității (in Romanian). București: Editura Academiei Republicii Socialiste România. OCLC 886523167.

Notes

References Willi Hager, Hydraulicians in Europe (1800–2000), vol. 2. CRC Press, Boca Raton, Florida, 2009. ISBN 978-1-4665-5498-6 (in Romanian) Eufrosina Otlăcan, "Victor Vâlcovici (1885–1970) – savant și desăvârșit pedagog" Archived 2016-03-04 at the Wayback Machine, NOEMA, vol. VI, 2007, pp. 124–29

External links "Valcovici, Victor (1885–1970)". www.dmg-lib.org. Retrieved February 16, 2022.

Illustrations

Victor Vâlcovici illustration
Victor Vâlcovici: The first-ever call from Bucharest to New York City, on December 25, 1931. Vâlcovici is first from the left, followed by Dimitrie I. Ghika, the Minister of Foreign Affairs, and Grigore Filipescu, president of the Romanian Telephone Company
The first-ever call from Bucharest to New York City, on December 25, 1931. Vâlcovici is first from the left, followed by Dimitrie I. Ghika, the Minister of Foreign Affairs, and Grigore Filipescu, president of the Romanian Telephone Company
Victor Vâlcovici: Grave at Bellu Cemetery
Grave at Bellu Cemetery

Worked examples

Example 1 — a first encounter with Victor Vâlcovici

Start with the simplest possible case. Write down what Victor Vâlcovici 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 Victor Vâlcovici 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 Victor Vâlcovici 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 Victor Vâlcovici

In research
Victor Vâlcovici 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 Victor Vâlcovici 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
Victor Vâlcovici is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1885 births, 1970 deaths, 20th-century Romanian mathematicians, so understanding it makes those chapters shorter.
In everyday life
Look for Victor Vâlcovici 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 Victor Vâlcovici in 20 minutes

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

Frequently asked questions

What is Victor Vâlcovici in simple terms?

Victor Vâlcovici (21 September [O.S. 9 September] 1885 – 21 June 1970) was a Romanian mechanician and mathematician. Biography Born into a modest family in Galați, he graduated first in his class in 1904 from Nicolae Bălcescu High School in Brăila.

Why does Victor Vâlcovici 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 Victor Vâlcovici?

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 Victor Vâlcovici.

Tags

  • 1885 births
  • 1970 deaths
  • 20th-century Romanian mathematicians
  • 20th-century mechanical engineers
  • Academic staff of Alexandru Ioan Cuza University
  • Academic staff of the Politehnica University of Timișoara
  • Academic staff of the University of Bucharest
  • Aerodynamicists
  • Burials at Bellu Cemetery
  • Fluid dynamicists
  • Members of the Romanian Academy of Sciences
  • Ministers of communications of Romania

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