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WikiCards · Card list · Science cards · Cauchy stress tensor
Uncommon card · Science
Cauchy stress tensor, an Uncommon card
In continuum mechanics, the Cauchy stress tensor, also called true stress tensor or simply stress tensor, completely defines the state of stress at a point inside a material in the deformed state, placement, or configuration.
- Rarity
- Uncommon
- Domain
- Science
- ATK
- 78
- DEF
- 69
- Power
- 147
- Wikipedia reads a year
- 87,000
Power 147 (ATK + DEF): stronger than 75 % of WikiCards cards.
Cauchy stress tensor quiz: 3 questions
Three questions on the Cauchy stress tensor card, the way WikiCards duels ask them. Pick an answer, the facts are just below.
Find the missing word
The unit vector is ______.
Answer
dimensionless. The unit vector is dimensionless. From the Cauchy stress tensor article on Wikipedia.
Which of these cards hits hardest (highest ATK)?
Answer
Cauchy stress tensor. Cauchy stress tensor 78 · Alcuin 75 · Vladimir-Suzdal 72 · Bertha Benz 69 ATK in WikiCards.
In a duel, each round asks a question like these about the opposing card, with 15 seconds to answer.
The facts on the card
The card carries these facts from its Wikipedia article.
- The second order tensor consists of nine components σ i j and relates a unit-length direction vector e to the traction vector T across a surface perpendicular to e: T = e ⋅ σ or T j = ∑ i σ i j e i. The SI unit of both stress tensor and traction vector is the newton per square metre or pascal, corresponding to the stress scalar.
- The unit vector is dimensionless.
- The Cauchy stress tensor obeys the tensor transformation law under a change in the system of coordinates.
Why it is Uncommon
Rarity in WikiCards follows a year of Wikipedia page views: the most read articles become Epic and Legendary cards. The Cauchy stress tensor article was read about 87,000 times in a year. ATK comes from the length of the article and DEF from its quality, so this card hits with 78 and blocks with 69: each hit it takes is cut by 28 %.
How to get Cauchy stress tensor
Open packs. Each pack holds five cards drawn from real Wikipedia articles, the rarest last, and the fifth card is always Rare or better. The odds are shown in the game. A free pack arrives every hour and two can wait, and the Coins you win in duels buy more packs.
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Credits
Text : Wikipedia, Cauchy stress tensor (revision), CC BY-SA 4.0. Photo : Sanpaz, CC BY-SA 3.0, Wikimedia Commons.
