By Victor Papanek
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An unlimited majority of disasters emanate from rigidity concentrators corresponding to geometrical discontinuities. The function of tension focus was once first highlighted by means of Inglis (1912) who offers a rigidity focus issue for an elliptical disorder, and later by way of Neuber (1936). With the development in computing, it really is now attainable to compute the genuine pressure distribution at a notch tip.
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Das Werk beschreibt erstmalig in einer geschlossenen shape eine Simulationsmethode zur schnellen Berechnung von Kontakteigenschaften und Reibung zwischen rauen Oberflächen. Im Unterschied zu bestehenden Simulationsverfahren basiert die Methode der Dimensionsreduktion (MDR) auf einer exakten Abbildung verschiedener Klassen von dreidimensionalen Kontaktproblemen auf Kontakte mit eindimensionalen Bettungen.
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Additional info for Design for the Real World: Human Ecology and Social Change
But how about working with the workers? 'Hard hats' are given their name because of the protective headgear they wear. But these hats are unsafe, not sufficiently tested for absorption of kinetic energy. I should like to quote from the pamphlet of the 'safety' helmet made by Jackson Products of Warren, Michigan: CAUTION: This helmet provides limited protection. It reduces the effect of the force of a falling object striking the top of the shell. Contact of this helmet shell with energised electrical conductors (live wires) or equipment, should be avoided.
And now, just sup- pose the radio doesn't sell. In a year we'll have to lay them all off. They'll be stuck for their monthly payments on homes and cars. Stores and service stations w ill go bankrupt when the money stops rolling in; homes will go into sacrifice sales. Their kids, unless daddy finds a new job, will have to change schools. There will be a lot of heartaches all around, and that's not even thinking of my stockholders. And all this because you have made a design mistake. That's where your responsibility really lies, and I bet that they never taught you this at school!
But this is still a narrow and parochial view. The designer's responsibility must go far beyond these considerations. His social and moral judgement must be brought into play long before he begins to design, since he has to make a judgement, an a priori judgement at that, as to whether the products he is asked to design or redesign merit his attention at all. In other words, will his design be on the side of the social good or not. Food, shelter, and clothing: that is the way we have always described mankind's basic needs; with increasing sophistication we have added: tools and machines.