標(biāo)題: Titlebook: An Introduction to the History of Structural Mechanics; Part I: Statics and Edoardo Benvenuto Book 1991 Springer-Verlag New York Inc. 1991 [打印本頁(yè)] 作者: 中間時(shí)期 時(shí)間: 2025-3-21 19:01
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作者: Adrenaline 時(shí)間: 2025-3-21 20:32 作者: INERT 時(shí)間: 2025-3-22 02:03
and master masons, long before there were mathematical theories, erected structures of astonishing originality, strength, and beauty. Many of these still stand. Were it not for our now acid atmosphere, we could expect them to stand for centuries more. We admire early architects‘ visible success in 作者: voluble 時(shí)間: 2025-3-22 05:56
Die deutschen Direktinvestitionen im Auslandg to Leibniz, therefore, the resistance of bodies is not merely one chapter of the many which make up mechanics; it is half of the entire discipline. Usually, such dichotomies are hardly probatory: they belong to a metaphysical way of thinking, according to which reality is two-faced, since every concept is linked with its opposite.作者: 有惡意 時(shí)間: 2025-3-22 09:06 作者: 展覽 時(shí)間: 2025-3-22 13:11
https://doi.org/10.1007/978-3-662-31638-2ng carrying beads,” change the context in which Galileo’s problem must be placed. For the first time, the concept of lengthening and shortening longitudinal fibers (the cords in the model) is connected to resistance.作者: peritonitis 時(shí)間: 2025-3-22 19:06
Galileo and His “Problem”g to Leibniz, therefore, the resistance of bodies is not merely one chapter of the many which make up mechanics; it is half of the entire discipline. Usually, such dichotomies are hardly probatory: they belong to a metaphysical way of thinking, according to which reality is two-faced, since every concept is linked with its opposite.作者: 星星 時(shí)間: 2025-3-22 23:59 作者: galley 時(shí)間: 2025-3-23 03:25 作者: paroxysm 時(shí)間: 2025-3-23 08:24 作者: Gnrh670 時(shí)間: 2025-3-23 11:59
https://doi.org/10.1007/978-3-322-98864-5 measured except by its effects. If the first way can be differentiated from the second, the distinction must be an essential one, for the first way is alien to the language of mathematics. “Frankly,” Carnot adds,作者: RALES 時(shí)間: 2025-3-23 17:35
Wesen und Entwicklung des Staatesata are also different. He is interested not in motion, but in equilibrium; not in the causes of velocity, but in the effects of a weight suspended at the end of a balance arm, that is, at a distance from a fixed point.作者: Medley 時(shí)間: 2025-3-23 21:10
The Law of the Leverata are also different. He is interested not in motion, but in equilibrium; not in the causes of velocity, but in the effects of a weight suspended at the end of a balance arm, that is, at a distance from a fixed point.作者: 主講人 時(shí)間: 2025-3-24 00:24 作者: 地殼 時(shí)間: 2025-3-24 05:50
Methodological Preliminariesnement of mathematical (or non-mathematical) formalization. Someone asks a question, which leads to the development of the techniques needed to approach the question. We harvest the data and come up with a rule, a relation, a law, a generalization. Then we get on with the next question. This pattern作者: HERTZ 時(shí)間: 2025-3-24 07:24
The Law of the Leverid’s for geometry. In our discussion of his work, we shall confine our attention to a few passages in his treatise . (Περ?’Επιπ?δων ’Ισορροπι.ν). While Aristotle relates mechanics to a physical theory, aiming for a universal synthesis, Archimedes thinks of statics as a rational and autonomous scienc作者: Indicative 時(shí)間: 2025-3-24 13:54
The Parallelogram of Forcesas a theory of forces, that is, of causes that provoke movements. The second considers it as a . in themselves.”. We know that Carnot unquestionably preferred the second, because the first “has the disadvantage of being based on a metaphysical and obscure notion, that is, .” —a cause which cannot be作者: Blasphemy 時(shí)間: 2025-3-24 17:09
Galileo and His “Problem”parts: the first one concerns the power of acting or moving, the other the power of reacting or resisting, that is, the strength of bodies.”. According to Leibniz, therefore, the resistance of bodies is not merely one chapter of the many which make up mechanics; it is half of the entire discipline. 作者: 截?cái)?nbsp; 時(shí)間: 2025-3-24 22:11 作者: fodlder 時(shí)間: 2025-3-25 00:38
The Initial Growth of Galileo’s Problemning to a less definite end. But the ideas presented in the Second Day had a less clear-cut fate. Their history is characterized by fragmentation; instead of a highway, we have dozens of footpaths, weaving all over the terrain, sometimes parallel, sometimes intersecting, never straightforward.作者: ARBOR 時(shí)間: 2025-3-25 06:01
Early Theories of the Strength of Materials beam, and points towards an explanation of resistance itself. Pardies’s study of the equilibrium of ropes, and his peculiar model for a beam, a “string carrying beads,” change the context in which Galileo’s problem must be placed. For the first time, the concept of lengthening and shortening longit作者: GOUGE 時(shí)間: 2025-3-25 11:09 作者: 大范圍流行 時(shí)間: 2025-3-25 14:11 作者: 膠水 時(shí)間: 2025-3-25 17:45
Wesen und Entwicklung des Staatesid’s for geometry. In our discussion of his work, we shall confine our attention to a few passages in his treatise . (Περ?’Επιπ?δων ’Ισορροπι.ν). While Aristotle relates mechanics to a physical theory, aiming for a universal synthesis, Archimedes thinks of statics as a rational and autonomous scienc作者: STALE 時(shí)間: 2025-3-25 20:30
https://doi.org/10.1007/978-3-322-98864-5as a theory of forces, that is, of causes that provoke movements. The second considers it as a . in themselves.”. We know that Carnot unquestionably preferred the second, because the first “has the disadvantage of being based on a metaphysical and obscure notion, that is, .” —a cause which cannot be作者: Optometrist 時(shí)間: 2025-3-26 03:49
Die deutschen Direktinvestitionen im Auslandparts: the first one concerns the power of acting or moving, the other the power of reacting or resisting, that is, the strength of bodies.”. According to Leibniz, therefore, the resistance of bodies is not merely one chapter of the many which make up mechanics; it is half of the entire discipline. 作者: puzzle 時(shí)間: 2025-3-26 06:52
Die deutschen Direktinvestitionen im Ausland, Galileo’s favorite pupil. As we shall see, the matter is not quite so simple, and Grandi cannot be considered impartial. In fact, Viviani had published nothing before the discussion on the resistance of solids exploded, with considerable eclat, in Italy and France. All the same, Grandi’s reasons f作者: JAUNT 時(shí)間: 2025-3-26 09:58
https://doi.org/10.1007/978-3-662-31638-2ning to a less definite end. But the ideas presented in the Second Day had a less clear-cut fate. Their history is characterized by fragmentation; instead of a highway, we have dozens of footpaths, weaving all over the terrain, sometimes parallel, sometimes intersecting, never straightforward.作者: conceal 時(shí)間: 2025-3-26 15:39
https://doi.org/10.1007/978-3-662-31638-2 beam, and points towards an explanation of resistance itself. Pardies’s study of the equilibrium of ropes, and his peculiar model for a beam, a “string carrying beads,” change the context in which Galileo’s problem must be placed. For the first time, the concept of lengthening and shortening longit作者: overbearing 時(shí)間: 2025-3-26 20:52 作者: kindred 時(shí)間: 2025-3-27 00:39
Walther Hubatsch,Percy Ernst SchrammOf the two propositions—the equation of virtual velocities and the rule of the composition of forces—the former is clearly richer in tradition and well-known references. It seems to promise more to the advancement of knowledge and to the solution of the eternal “why?”作者: flaunt 時(shí)間: 2025-3-27 03:54
The Principle of Virtual VelocitiesOf the two propositions—the equation of virtual velocities and the rule of the composition of forces—the former is clearly richer in tradition and well-known references. It seems to promise more to the advancement of knowledge and to the solution of the eternal “why?”作者: Sad570 時(shí)間: 2025-3-27 07:32
https://doi.org/10.1007/978-1-4612-2982-7Fundament; History; mechanics; solids; statics; structural mechanics; structure作者: hair-bulb 時(shí)間: 2025-3-27 12:12
978-1-4612-7745-3Springer-Verlag New York Inc. 1991作者: 船員 時(shí)間: 2025-3-27 15:03 作者: Emasculate 時(shí)間: 2025-3-27 20:36 作者: justify 時(shí)間: 2025-3-28 01:02 作者: parallelism 時(shí)間: 2025-3-28 04:33 作者: corn732 時(shí)間: 2025-3-28 07:55 作者: 難理解 時(shí)間: 2025-3-28 13:07
9樓作者: CEDE 時(shí)間: 2025-3-28 17:43
10樓作者: Thyroxine 時(shí)間: 2025-3-28 18:52
10樓作者: macabre 時(shí)間: 2025-3-29 01:08
10樓作者: 小丑 時(shí)間: 2025-3-29 04:55
10樓
