engineering

Jules Carvallo

Jules Carvallo is a engineering 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 Jules Carvallo rather than just read about it. In short: Jules Carvallo (1820 in Talence, Gironde – 1916) was a French engineer. After having graduated with the highest honors at the École Polytechnique and École des Ponts et Chaussées, he was attached as engineer to the Southern Railroad; and under his direction the lines from Tech to Rivesaltes and from Tet to Perpignan were built, including the remarkable viaduct of Bouzanne.

Key takeaways

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

Reference excerpt

Jules Carvallo (1820 in Talence, Gironde – 1916) was a French engineer. After having graduated with the highest honors at the École Polytechnique and École des Ponts et Chaussées, he was attached as engineer to the Southern Railroad; and under his direction the lines from Tech to Rivesaltes and from Tet to Perpignan were built, including the remarkable viaduct of Bouzanne. Afterward Carvallo became director of the work of canalizing the Ebro (Spain); and he established in the delta of that river a system of irrigation which permitted the cultivation of enormous tracts of land hitherto unproductive. From Spain Carvallo went to Italy, where he directed the works of the Roman railroads. On his return to Spain he was entrusted with the building of the line from Pamplona to Zaragoza, and later became the chief engineer of a Spanish water company. Carvallo was the author of many dissertations printed in the Comptes-Rendus do l'Académic des Sciences and in many other scientific publications. Among his numerous contributions the most noteworthy were those on the piling up and solidification of embankments; on the formula of the maximum of stability and minimum of expense in public works; on the laws of oscillation of chain bridges, etc. Amid his numerous works, Carvallo found time to devote himself to Jewish interests. He was one of the founders of the Alliance Israélite Universelle, and for many years served on the executive committee of that institution. He was a Saint-Simonian. According to M. Chouraqui, he was considered too open to Christianity, in that he considered the possibility that Jesus had a mission from providence.

References

This article incorporates text from a publication now in the public domain: Isidore Singer and Isaac Broydé (1901–1906). "Carvallo, Jules". In Singer, Isidore; et al. (eds.). The Jewish Encyclopedia. New York: Funk & Wagnalls.

External links Works by or about Jules Carvallo at the Internet Archive

Worked examples

Example 1 — a first encounter with Jules Carvallo

Start with the simplest possible case. Write down what Jules Carvallo claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In engineering, 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 Jules Carvallo 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 Jules Carvallo 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 Jules Carvallo

In research: Jules Carvallo appears in engineering 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 Jules Carvallo 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: Jules Carvallo is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1820 births, 1916 deaths, 19th-century French Sephardi Jews, so understanding it makes those chapters shorter.
In everyday life: Look for Jules Carvallo 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 Jules Carvallo in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Jules Carvallo 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 Jules Carvallo out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Jules Carvallo in simple terms?

Why does Jules Carvallo matter?

Because it connects several engineering 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 Jules Carvallo?

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 Jules Carvallo.